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							- <?php
 
- // +----------------------------------------------------------------------
 
- // | ThinkPHP [ WE CAN DO IT JUST THINK IT ]
 
- // +----------------------------------------------------------------------
 
- // | Copyright (c) 2006-2014 http://thinkphp.cn All rights reserved.
 
- // +----------------------------------------------------------------------
 
- // | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
 
- // +----------------------------------------------------------------------
 
- // | Author: liu21st <liu21st@gmail.com>
 
- // +----------------------------------------------------------------------
 
- namespace Think;
 
- /**
 
-  * ThinkPHP Model模型类
 
-  * 实现了ORM和ActiveRecords模式
 
-  */
 
- class Model {
 
-     // 操作状态
 
-     const MODEL_INSERT          =   1;      //  插入模型数据
 
-     const MODEL_UPDATE          =   2;      //  更新模型数据
 
-     const MODEL_BOTH            =   3;      //  包含上面两种方式
 
-     const MUST_VALIDATE         =   1;      // 必须验证
 
-     const EXISTS_VALIDATE       =   0;      // 表单存在字段则验证
 
-     const VALUE_VALIDATE        =   2;      // 表单值不为空则验证
 
-     // 当前数据库操作对象
 
-     protected $db               =   null;
 
- 	// 数据库对象池
 
- 	private   $_db				=	array();
 
-     // 主键名称
 
-     protected $pk               =   'id';
 
-     // 主键是否自动增长
 
-     protected $autoinc          =   false;    
 
-     // 数据表前缀
 
-     protected $tablePrefix      =   null;
 
-     // 模型名称
 
-     protected $name             =   '';
 
-     // 数据库名称
 
-     protected $dbName           =   '';
 
-     //数据库配置
 
-     protected $connection       =   '';
 
-     // 数据表名(不包含表前缀)
 
-     protected $tableName        =   '';
 
-     // 实际数据表名(包含表前缀)
 
-     protected $trueTableName    =   '';
 
-     // 最近错误信息
 
-     protected $error            =   '';
 
-     // 字段信息
 
-     protected $fields           =   array();
 
-     // 数据信息
 
-     protected $data             =   array();
 
-     // 查询表达式参数
 
-     protected $options          =   array();
 
-     protected $_validate        =   array();  // 自动验证定义
 
-     protected $_auto            =   array();  // 自动完成定义
 
-     protected $_map             =   array();  // 字段映射定义
 
-     protected $_scope           =   array();  // 命名范围定义
 
-     // 是否自动检测数据表字段信息
 
-     protected $autoCheckFields  =   true;
 
-     // 是否批处理验证
 
-     protected $patchValidate    =   false;
 
-     // 链操作方法列表
 
-     protected $methods          =   array('strict','order','alias','having','group','lock','distinct','auto','filter','validate','result','token','index','force');
 
-     /**
 
-      * 架构函数
 
-      * 取得DB类的实例对象 字段检查
 
-      * @access public
 
-      * @param string $name 模型名称
 
-      * @param string $tablePrefix 表前缀
 
-      * @param mixed $connection 数据库连接信息
 
-      */
 
-     public function __construct($name='',$tablePrefix='',$connection='') {
 
-         // 模型初始化
 
-         $this->_initialize();
 
-         // 获取模型名称
 
-         if(!empty($name)) {
 
-             if(strpos($name,'.')) { // 支持 数据库名.模型名的 定义
 
-                 list($this->dbName,$this->name) = explode('.',$name);
 
-             }else{
 
-                 $this->name   =  $name;
 
-             }
 
-         }elseif(empty($this->name)){
 
-             $this->name =   $this->getModelName();
 
-         }
 
-         // 设置表前缀
 
-         if(is_null($tablePrefix)) {// 前缀为Null表示没有前缀
 
-             $this->tablePrefix = '';
 
-         }elseif('' != $tablePrefix) {
 
-             $this->tablePrefix = $tablePrefix;
 
-         }elseif(!isset($this->tablePrefix)){
 
-             $this->tablePrefix = C('DB_PREFIX');
 
-         }
 
-         // 数据库初始化操作
 
-         // 获取数据库操作对象
 
-         // 当前模型有独立的数据库连接信息
 
-         $this->db(0,empty($this->connection)?$connection:$this->connection,true);
 
-     }
 
-     /**
 
-      * 自动检测数据表信息
 
-      * @access protected
 
-      * @return void
 
-      */
 
-     protected function _checkTableInfo() {
 
-         // 如果不是Model类 自动记录数据表信息
 
-         // 只在第一次执行记录
 
-         if(empty($this->fields)) {
 
-             // 如果数据表字段没有定义则自动获取
 
-             if(C('DB_FIELDS_CACHE')) {
 
-                 $db   =  $this->dbName?:C('DB_NAME');
 
-                 $fields = F('_fields/'.strtolower($db.'.'.$this->tablePrefix.$this->name));
 
-                 if($fields) {
 
-                     $this->fields   =   $fields;
 
-                     if(!empty($fields['_pk'])){
 
-                         $this->pk       =   $fields['_pk'];
 
-                     }
 
-                     return ;
 
-                 }
 
-             }
 
-             // 每次都会读取数据表信息
 
-             $this->flush();
 
-         }
 
-     }
 
-     /**
 
-      * 获取字段信息并缓存
 
-      * @access public
 
-      * @return void
 
-      */
 
-     public function flush() {
 
-         // 缓存不存在则查询数据表信息
 
-         $this->db->setModel($this->name);
 
-         $fields =   $this->db->getFields($this->getTableName());
 
-         if(!$fields) { // 无法获取字段信息
 
-             return false;
 
-         }
 
-         $this->fields   =   array_keys($fields);
 
-         unset($this->fields['_pk']);
 
-         foreach ($fields as $key=>$val){
 
-             // 记录字段类型
 
-             $type[$key]     =   $val['type'];
 
-             if($val['primary']) {
 
-                   // 增加复合主键支持
 
-                 if (isset($this->fields['_pk']) && $this->fields['_pk'] != null) {
 
-                     if (is_string($this->fields['_pk'])) {
 
-                         $this->pk   =   array($this->fields['_pk']);
 
-                         $this->fields['_pk']   =   $this->pk;
 
-                     }
 
-                     $this->pk[]   =   $key;
 
-                     $this->fields['_pk'][]   =   $key;
 
-                 } else {
 
-                     $this->pk   =   $key;
 
-                     $this->fields['_pk']   =   $key;
 
-                 }
 
-                 if($val['autoinc']) $this->autoinc   =   true;
 
-             }
 
-         }
 
-         // 记录字段类型信息
 
-         $this->fields['_type'] =  $type;
 
-         // 2008-3-7 增加缓存开关控制
 
-         if(C('DB_FIELDS_CACHE')){
 
-             // 永久缓存数据表信息
 
-             $db   =  $this->dbName?:C('DB_NAME');
 
-             F('_fields/'.strtolower($db.'.'.$this->tablePrefix.$this->name),$this->fields);
 
-         }
 
-     }
 
-     /**
 
-      * 设置数据对象的值
 
-      * @access public
 
-      * @param string $name 名称
 
-      * @param mixed $value 值
 
-      * @return void
 
-      */
 
-     public function __set($name,$value) {
 
-         // 设置数据对象属性
 
-         $this->data[$name]  =   $value;
 
-     }
 
-     /**
 
-      * 获取数据对象的值
 
-      * @access public
 
-      * @param string $name 名称
 
-      * @return mixed
 
-      */
 
-     public function __get($name) {
 
-         return isset($this->data[$name])?$this->data[$name]:null;
 
-     }
 
-     /**
 
-      * 检测数据对象的值
 
-      * @access public
 
-      * @param string $name 名称
 
-      * @return boolean
 
-      */
 
-     public function __isset($name) {
 
-         return isset($this->data[$name]);
 
-     }
 
-     /**
 
-      * 销毁数据对象的值
 
-      * @access public
 
-      * @param string $name 名称
 
-      * @return void
 
-      */
 
-     public function __unset($name) {
 
-         unset($this->data[$name]);
 
-     }
 
-     /**
 
-      * 利用__call方法实现一些特殊的Model方法
 
-      * @access public
 
-      * @param string $method 方法名称
 
-      * @param array $args 调用参数
 
-      * @return mixed
 
-      */
 
-     public function __call($method,$args) {
 
-         if(in_array(strtolower($method),$this->methods,true)) {
 
-             // 连贯操作的实现
 
-             $this->options[strtolower($method)] =   $args[0];
 
-             return $this;
 
-         }elseif(in_array(strtolower($method),array('count','sum','min','max','avg'),true)){
 
-             // 统计查询的实现
 
-             $field =  isset($args[0])?$args[0]:'*';
 
-             return $this->getField(strtoupper($method).'('.$field.') AS tp_'.$method);
 
-         }elseif(strtolower(substr($method,0,5))=='getby') {
 
-             // 根据某个字段获取记录
 
-             $field   =   parse_name(substr($method,5));
 
-             $where[$field] =  $args[0];
 
-             return $this->where($where)->find();
 
-         }elseif(strtolower(substr($method,0,10))=='getfieldby') {
 
-             // 根据某个字段获取记录的某个值
 
-             $name   =   parse_name(substr($method,10));
 
-             $where[$name] =$args[0];
 
-             return $this->where($where)->getField($args[1]);
 
-         }elseif(isset($this->_scope[$method])){// 命名范围的单独调用支持
 
-             return $this->scope($method,$args[0]);
 
-         }else{
 
-             E(__CLASS__.':'.$method.L('_METHOD_NOT_EXIST_'));
 
-             return;
 
-         }
 
-     }
 
-     // 回调方法 初始化模型
 
-     protected function _initialize() {}
 
-     /**
 
-      * 对保存到数据库的数据进行处理
 
-      * @access protected
 
-      * @param mixed $data 要操作的数据
 
-      * @return boolean
 
-      */
 
-      protected function _facade($data) {
 
-         // 检查数据字段合法性
 
-         if(!empty($this->fields)) {
 
-             if(!empty($this->options['field'])) {
 
-                 $fields =   $this->options['field'];
 
-                 unset($this->options['field']);
 
-                 if(is_string($fields)) {
 
-                     $fields =   explode(',',$fields);
 
-                 }    
 
-             }else{
 
-                 $fields =   $this->fields;
 
-             }        
 
-             foreach ($data as $key=>$val){
 
-                 if(!in_array($key,$fields,true)){
 
-                     if(!empty($this->options['strict'])){
 
-                         E(L('_DATA_TYPE_INVALID_').':['.$key.'=>'.$val.']');
 
-                     }
 
-                     unset($data[$key]);
 
-                 }elseif(is_scalar($val)) {
 
-                     // 字段类型检查 和 强制转换
 
-                     $this->_parseType($data,$key);
 
-                 }
 
-             }
 
-         }
 
-        
 
-         // 安全过滤
 
-         if(!empty($this->options['filter'])) {
 
-             $data = array_map($this->options['filter'],$data);
 
-             unset($this->options['filter']);
 
-         }
 
-         $this->_before_write($data);
 
-         return $data;
 
-      }
 
-     // 写入数据前的回调方法 包括新增和更新
 
-     protected function _before_write(&$data) {}
 
-     /**
 
-      * 新增数据
 
-      * @access public
 
-      * @param mixed $data 数据
 
-      * @param array $options 表达式
 
-      * @param boolean $replace 是否replace
 
-      * @return mixed
 
-      */
 
-     public function add($data='',$options=array(),$replace=false) {
 
-         if(empty($data)) {
 
-             // 没有传递数据,获取当前数据对象的值
 
-             if(!empty($this->data)) {
 
-                 $data           =   $this->data;
 
-                 // 重置数据
 
-                 $this->data     = array();
 
-             }else{
 
-                 $this->error    = L('_DATA_TYPE_INVALID_');
 
-                 return false;
 
-             }
 
-         }
 
-         // 数据处理
 
-         $data       =   $this->_facade($data);
 
-         // 分析表达式
 
-         $options    =   $this->_parseOptions($options);
 
-         if(false === $this->_before_insert($data,$options)) {
 
-             return false;
 
-         }
 
-         // 写入数据到数据库
 
-         $result = $this->db->insert($data,$options,$replace);
 
-         if(false !== $result && is_numeric($result)) {
 
-             $pk     =   $this->getPk();
 
-               // 增加复合主键支持
 
-             if (is_array($pk)) return $result;
 
-             $insertId   =   $this->getLastInsID();
 
-             if($insertId) {
 
-                 // 自增主键返回插入ID
 
-                 $data[$pk]  = $insertId;
 
-                 if(false === $this->_after_insert($data,$options)) {
 
-                     return false;
 
-                 }
 
-                 return $insertId;
 
-             }
 
-             if(false === $this->_after_insert($data,$options)) {
 
-                 return false;
 
-             }
 
-         }
 
-         return $result;
 
-     }
 
-     // 插入数据前的回调方法
 
-     protected function _before_insert(&$data,$options) {}
 
-     // 插入成功后的回调方法
 
-     protected function _after_insert($data,$options) {}
 
-     public function addAll($dataList,$options=array(),$replace=false){
 
-         if(empty($dataList)) {
 
-             $this->error = L('_DATA_TYPE_INVALID_');
 
-             return false;
 
-         }
 
-         // 数据处理
 
-         foreach ($dataList as $key=>$data){
 
-             $dataList[$key] = $this->_facade($data);
 
-         }
 
-         // 分析表达式
 
-         $options =  $this->_parseOptions($options);
 
-         // 写入数据到数据库
 
-         $result = $this->db->insertAll($dataList,$options,$replace);
 
-         if(false !== $result ) {
 
-             $insertId   =   $this->getLastInsID();
 
-             if($insertId) {
 
-                 return $insertId;
 
-             }
 
-         }
 
-         return $result;
 
-     }
 
-     /**
 
-      * 通过Select方式添加记录
 
-      * @access public
 
-      * @param string $fields 要插入的数据表字段名
 
-      * @param string $table 要插入的数据表名
 
-      * @param array $options 表达式
 
-      * @return boolean
 
-      */
 
-     public function selectAdd($fields='',$table='',$options=array()) {
 
-         // 分析表达式
 
-         $options =  $this->_parseOptions($options);
 
-         // 写入数据到数据库
 
-         if(false === $result = $this->db->selectInsert($fields?:$options['field'],$table?:$this->getTableName(),$options)){
 
-             // 数据库插入操作失败
 
-             $this->error = L('_OPERATION_WRONG_');
 
-             return false;
 
-         }else {
 
-             // 插入成功
 
-             return $result;
 
-         }
 
-     }
 
-     /**
 
-      * 保存数据
 
-      * @access public
 
-      * @param mixed $data 数据
 
-      * @param array $options 表达式
 
-      * @return boolean
 
-      */
 
-     public function save($data='',$options=array()) {
 
-         if(empty($data)) {
 
-             // 没有传递数据,获取当前数据对象的值
 
-             if(!empty($this->data)) {
 
-                 $data           =   $this->data;
 
-                 // 重置数据
 
-                 $this->data     =   array();
 
-             }else{
 
-                 $this->error    =   L('_DATA_TYPE_INVALID_');
 
-                 return false;
 
-             }
 
-         }
 
-         // 数据处理
 
-         $data       =   $this->_facade($data);
 
-         if(empty($data)){
 
-             // 没有数据则不执行
 
-             $this->error    =   L('_DATA_TYPE_INVALID_');
 
-             return false;
 
-         }
 
-         // 分析表达式
 
-         $options    =   $this->_parseOptions($options);
 
-         $pk         =   $this->getPk();
 
-         if(!isset($options['where']) ) {
 
-             // 如果存在主键数据 则自动作为更新条件
 
-             if (is_string($pk) && isset($data[$pk])) {
 
-                 $where[$pk]     =   $data[$pk];
 
-                 unset($data[$pk]);
 
-             } elseif (is_array($pk)) {
 
-                 // 增加复合主键支持
 
-                 foreach ($pk as $field) {
 
-                     if(isset($data[$field])) {
 
-                         $where[$field]      =   $data[$field];
 
-                     } else {
 
-                            // 如果缺少复合主键数据则不执行
 
-                         $this->error        =   L('_OPERATION_WRONG_');
 
-                         return false;
 
-                     }
 
-                     unset($data[$field]);
 
-                 }
 
-             }
 
-             if(!isset($where)){
 
-                 // 如果没有任何更新条件则不执行
 
-                 $this->error        =   L('_OPERATION_WRONG_');
 
-                 return false;
 
-             }else{
 
-                 $options['where']   =   $where;
 
-             }
 
-         }
 
-         if(is_array($options['where']) && isset($options['where'][$pk])){
 
-             $pkValue    =   $options['where'][$pk];
 
-         }
 
-         if(false === $this->_before_update($data,$options)) {
 
-             return false;
 
-         }
 
-         $result     =   $this->db->update($data,$options);
 
-         if(false !== $result && is_numeric($result)) {
 
-             if(isset($pkValue)) $data[$pk]   =  $pkValue;
 
-             $this->_after_update($data,$options);
 
-         }
 
-         return $result;
 
-     }
 
-     // 更新数据前的回调方法
 
-     protected function _before_update(&$data,$options) {}
 
-     // 更新成功后的回调方法
 
-     protected function _after_update($data,$options) {}
 
-     /**
 
-      * 删除数据
 
-      * @access public
 
-      * @param mixed $options 表达式
 
-      * @return mixed
 
-      */
 
-     public function delete($options=array()) {
 
-         $pk   =  $this->getPk();
 
-         if(empty($options) && empty($this->options['where'])) {
 
-             // 如果删除条件为空 则删除当前数据对象所对应的记录
 
-             if(!empty($this->data) && isset($this->data[$pk]))
 
-                 return $this->delete($this->data[$pk]);
 
-             else
 
-                 return false;
 
-         }
 
-         if(is_numeric($options)  || is_string($options)) {
 
-             // 根据主键删除记录
 
-             if(strpos($options,',')) {
 
-                 $where[$pk]     =  array('IN', $options);
 
-             }else{
 
-                 $where[$pk]     =  $options;
 
-             }
 
-             $options            =  array();
 
-             $options['where']   =  $where;
 
-         }
 
-         // 根据复合主键删除记录
 
-         if (is_array($options) && (count($options) > 0) && is_array($pk)) {
 
-             $count = 0;
 
-             foreach (array_keys($options) as $key) {
 
-                 if (is_int($key)) $count++; 
 
-             } 
 
-             if ($count == count($pk)) {
 
-                 $i = 0;
 
-                 foreach ($pk as $field) {
 
-                     $where[$field] = $options[$i];
 
-                     unset($options[$i++]);
 
-                 }
 
-                 $options['where']  =  $where;
 
-             } else {
 
-                 return false;
 
-             }
 
-         }
 
-         // 分析表达式
 
-         $options =  $this->_parseOptions($options);
 
-         if(empty($options['where'])){
 
-             // 如果条件为空 不进行删除操作 除非设置 1=1
 
-             return false;
 
-         }        
 
-         if(is_array($options['where']) && isset($options['where'][$pk])){
 
-             $pkValue            =  $options['where'][$pk];
 
-         }
 
-         if(false === $this->_before_delete($options)) {
 
-             return false;
 
-         }        
 
-         $result  =    $this->db->delete($options);
 
-         if(false !== $result && is_numeric($result)) {
 
-             $data = array();
 
-             if(isset($pkValue)) $data[$pk]   =  $pkValue;
 
-             $this->_after_delete($data,$options);
 
-         }
 
-         // 返回删除记录个数
 
-         return $result;
 
-     }
 
-     // 删除数据前的回调方法
 
-     protected function _before_delete($options) {}    
 
-     // 删除成功后的回调方法
 
-     protected function _after_delete($data,$options) {}
 
-     /**
 
-      * 查询数据集
 
-      * @access public
 
-      * @param array $options 表达式参数
 
-      * @return mixed
 
-      */
 
-     public function select($options=array()) {
 
-         $pk   =  $this->getPk();
 
-         if(is_string($options) || is_numeric($options)) {
 
-             // 根据主键查询
 
-             if(strpos($options,',')) {
 
-                 $where[$pk]     =  array('IN',$options);
 
-             }else{
 
-                 $where[$pk]     =  $options;
 
-             }
 
-             $options            =  array();
 
-             $options['where']   =  $where;
 
-         }elseif (is_array($options) && (count($options) > 0) && is_array($pk)) {
 
-             // 根据复合主键查询
 
-             $count = 0;
 
-             foreach (array_keys($options) as $key) {
 
-                 if (is_int($key)) $count++; 
 
-             } 
 
-             if ($count == count($pk)) {
 
-                 $i = 0;
 
-                 foreach ($pk as $field) {
 
-                     $where[$field] = $options[$i];
 
-                     unset($options[$i++]);
 
-                 }
 
-                 $options['where']  =  $where;
 
-             } else {
 
-                 return false;
 
-             }
 
-         } elseif(false === $options){ // 用于子查询 不查询只返回SQL
 
-         	$options['fetch_sql'] = true;
 
-         }
 
-         // 分析表达式
 
-         $options    =  $this->_parseOptions($options);
 
-         // 判断查询缓存
 
-         if(isset($options['cache'])){
 
-             $cache  =   $options['cache'];
 
-             $key    =   is_string($cache['key'])?$cache['key']:md5(serialize($options));
 
-             $data   =   S($key,'',$cache);
 
-             if(false !== $data){
 
-                 return $data;
 
-             }
 
-         }        
 
-         $resultSet  = $this->db->select($options);
 
-         if(false === $resultSet) {
 
-             return false;
 
-         }
 
-         if(!empty($resultSet)) { // 有查询结果
 
-             if(is_string($resultSet)){
 
-                 return $resultSet;
 
-             }
 
-             $resultSet  =   array_map(array($this,'_read_data'),$resultSet);
 
-             $this->_after_select($resultSet,$options);
 
-             if(isset($options['index'])){ // 对数据集进行索引
 
-                 $index  =   explode(',',$options['index']);
 
-                 foreach ($resultSet as $result){
 
-                     $_key   =  $result[$index[0]];
 
-                     if(isset($index[1]) && isset($result[$index[1]])){
 
-                         $cols[$_key] =  $result[$index[1]];
 
-                     }else{
 
-                         $cols[$_key] =  $result;
 
-                     }
 
-                 }
 
-                 $resultSet  =   $cols;
 
-             }
 
-         }
 
-         if(isset($cache)){
 
-             S($key,$resultSet,$cache);
 
-         }
 
-         return $resultSet;
 
-     }
 
-     // 查询成功后的回调方法
 
-     protected function _after_select(&$resultSet,$options) {}
 
-     /**
 
-      * 生成查询SQL 可用于子查询
 
-      * @access public
 
-      * @return string
 
-      */
 
-     public function buildSql() {
 
-         return  '( '.$this->fetchSql(true)->select().' )';
 
-     }
 
-     /**
 
-      * 分析表达式
 
-      * @access protected
 
-      * @param array $options 表达式参数
 
-      * @return array
 
-      */
 
-     protected function _parseOptions($options=array()) {
 
-         if(is_array($options))
 
-             $options =  array_merge($this->options,$options);
 
-         if(!isset($options['table'])){
 
-             // 自动获取表名
 
-             $options['table']   =   $this->getTableName();
 
-             $fields             =   $this->fields;
 
-         }else{
 
-             // 指定数据表 则重新获取字段列表 但不支持类型检测
 
-             $fields             =   $this->getDbFields();
 
-         }
 
-         // 数据表别名
 
-         if(!empty($options['alias'])) {
 
-             $options['table']  .=   ' '.$options['alias'];
 
-         }
 
-         // 记录操作的模型名称
 
-         $options['model']       =   $this->name;
 
-         // 字段类型验证
 
-         if(isset($options['where']) && is_array($options['where']) && !empty($fields) && !isset($options['join'])) {
 
-             // 对数组查询条件进行字段类型检查
 
-             foreach ($options['where'] as $key=>$val){
 
-                 $key            =   trim($key);
 
-                 if(in_array($key,$fields,true)){
 
-                     if(is_scalar($val)) {
 
-                         $this->_parseType($options['where'],$key);
 
-                     }
 
-                 }elseif(!is_numeric($key) && '_' != substr($key,0,1) && false === strpos($key,'.') && false === strpos($key,'(') && false === strpos($key,'|') && false === strpos($key,'&')){
 
-                     if(!empty($this->options['strict'])){
 
-                         E(L('_ERROR_QUERY_EXPRESS_').':['.$key.'=>'.$val.']');
 
-                     } 
 
-                     unset($options['where'][$key]);
 
-                 }
 
-             }
 
-         }
 
-         // 查询过后清空sql表达式组装 避免影响下次查询
 
-         $this->options  =   array();
 
-         // 表达式过滤
 
-         $this->_options_filter($options);
 
-         return $options;
 
-     }
 
-     // 表达式过滤回调方法
 
-     protected function _options_filter(&$options) {}
 
-     /**
 
-      * 数据类型检测
 
-      * @access protected
 
-      * @param mixed $data 数据
 
-      * @param string $key 字段名
 
-      * @return void
 
-      */
 
-     protected function _parseType(&$data,$key) {
 
-         if(!isset($this->options['bind'][':'.$key]) && isset($this->fields['_type'][$key])){
 
-             $fieldType = strtolower($this->fields['_type'][$key]);
 
-             if(false !== strpos($fieldType,'enum')){
 
-                 // 支持ENUM类型优先检测
 
-             }elseif(false === strpos($fieldType,'bigint') && false !== strpos($fieldType,'int')) {
 
-                 $data[$key]   =  intval($data[$key]);
 
-             }elseif(false !== strpos($fieldType,'float') || false !== strpos($fieldType,'double')){
 
-                 $data[$key]   =  floatval($data[$key]);
 
-             }elseif(false !== strpos($fieldType,'bool')){
 
-                 $data[$key]   =  (bool)$data[$key];
 
-             }
 
-         }
 
-     }
 
-     /**
 
-      * 数据读取后的处理
 
-      * @access protected
 
-      * @param array $data 当前数据
 
-      * @return array
 
-      */
 
-     protected function _read_data($data) {
 
-         // 检查字段映射
 
-         if(!empty($this->_map) && C('READ_DATA_MAP')) {
 
-             foreach ($this->_map as $key=>$val){
 
-                 if(isset($data[$val])) {
 
-                     $data[$key] =   $data[$val];
 
-                     unset($data[$val]);
 
-                 }
 
-             }
 
-         }
 
-         return $data;
 
-     }
 
-     /**
 
-      * 查询数据
 
-      * @access public
 
-      * @param mixed $options 表达式参数
 
-      * @return mixed
 
-      */
 
-     public function find($options=array()) {
 
-         if(is_numeric($options) || is_string($options)) {
 
-             $where[$this->getPk()]  =   $options;
 
-             $options                =   array();
 
-             $options['where']       =   $where;
 
-         }
 
-         // 根据复合主键查找记录
 
-         $pk  =  $this->getPk();
 
-         if (is_array($options) && (count($options) > 0) && is_array($pk)) {
 
-             // 根据复合主键查询
 
-             $count = 0;
 
-             foreach (array_keys($options) as $key) {
 
-                 if (is_int($key)) $count++; 
 
-             } 
 
-             if ($count == count($pk)) {
 
-                 $i = 0;
 
-                 foreach ($pk as $field) {
 
-                     $where[$field] = $options[$i];
 
-                     unset($options[$i++]);
 
-                 }
 
-                 $options['where']  =  $where;
 
-             } else {
 
-                 return false;
 
-             }
 
-         }
 
-         // 总是查找一条记录
 
-         $options['limit']   =   1;
 
-         // 分析表达式
 
-         $options            =   $this->_parseOptions($options);
 
-         // 判断查询缓存
 
-         if(isset($options['cache'])){
 
-             $cache  =   $options['cache'];
 
-             $key    =   is_string($cache['key'])?$cache['key']:md5(serialize($options));
 
-             $data   =   S($key,'',$cache);
 
-             if(false !== $data){
 
-                 $this->data     =   $data;
 
-                 return $data;
 
-             }
 
-         }
 
-         $resultSet          =   $this->db->select($options);
 
-         if(false === $resultSet) {
 
-             return false;
 
-         }
 
-         if(empty($resultSet)) {// 查询结果为空
 
-             return null;
 
-         }
 
-         if(is_string($resultSet)){
 
-             return $resultSet;
 
-         }
 
-         // 读取数据后的处理
 
-         $data   =   $this->_read_data($resultSet[0]);
 
-         $this->_after_find($data,$options);
 
-         if(!empty($this->options['result'])) {
 
-             return $this->returnResult($data,$this->options['result']);
 
-         }
 
-         $this->data     =   $data;
 
-         if(isset($cache)){
 
-             S($key,$data,$cache);
 
-         }
 
-         return $this->data;
 
-     }
 
-     // 查询成功的回调方法
 
-     protected function _after_find(&$result,$options) {}
 
-     protected function returnResult($data,$type=''){
 
-         if ($type){
 
-             if(is_callable($type)){
 
-                 return call_user_func($type,$data);
 
-             }
 
-             switch (strtolower($type)){
 
-                 case 'json':
 
-                     return json_encode($data);
 
-                 case 'xml':
 
-                     return xml_encode($data);
 
-             }
 
-         }
 
-         return $data;
 
-     }
 
-     /**
 
-      * 处理字段映射
 
-      * @access public
 
-      * @param array $data 当前数据
 
-      * @param integer $type 类型 0 写入 1 读取
 
-      * @return array
 
-      */
 
-     public function parseFieldsMap($data,$type=1) {
 
-         // 检查字段映射
 
-         if(!empty($this->_map)) {
 
-             foreach ($this->_map as $key=>$val){
 
-                 if($type==1) { // 读取
 
-                     if(isset($data[$val])) {
 
-                         $data[$key] =   $data[$val];
 
-                         unset($data[$val]);
 
-                     }
 
-                 }else{
 
-                     if(isset($data[$key])) {
 
-                         $data[$val] =   $data[$key];
 
-                         unset($data[$key]);
 
-                     }
 
-                 }
 
-             }
 
-         }
 
-         return $data;
 
-     }
 
-     /**
 
-      * 设置记录的某个字段值
 
-      * 支持使用数据库字段和方法
 
-      * @access public
 
-      * @param string|array $field  字段名
 
-      * @param string $value  字段值
 
-      * @return boolean
 
-      */
 
-     public function setField($field,$value='') {
 
-         if(is_array($field)) {
 
-             $data           =   $field;
 
-         }else{
 
-             $data[$field]   =   $value;
 
-         }
 
-         return $this->save($data);
 
-     }
 
-     /**
 
-      * 字段值增长
 
-      * @access public
 
-      * @param string $field  字段名
 
-      * @param integer $step  增长值
 
-      * @param integer $lazyTime  延时时间(s)
 
-      * @return boolean
 
-      */
 
-     public function setInc($field,$step=1,$lazyTime=0) {
 
-         if($lazyTime>0) {// 延迟写入
 
-             $condition 	=  	$this->options['where'];
 
-             $guid 		=  	md5($this->name.'_'.$field.'_'.serialize($condition));
 
-             $step 		= 	$this->lazyWrite($guid,$step,$lazyTime);
 
-             if(empty($step)) {
 
-             	return true; // 等待下次写入
 
-             }elseif($step < 0) {
 
-             	$step 	=	'-'.$step;
 
-             }
 
-         }
 
-         return $this->setField($field,array('exp',$field.'+'.$step));
 
-     }
 
-     /**
 
-      * 字段值减少
 
-      * @access public
 
-      * @param string $field  字段名
 
-      * @param integer $step  减少值
 
-      * @param integer $lazyTime  延时时间(s)
 
-      * @return boolean
 
-      */
 
-     public function setDec($field,$step=1,$lazyTime=0) {
 
-         if($lazyTime>0) {// 延迟写入
 
-             $condition  =  	$this->options['where'];
 
-             $guid 		=  	md5($this->name.'_'.$field.'_'.serialize($condition));
 
-             $step 		= 	$this->lazyWrite($guid,-$step,$lazyTime);
 
-             if(empty($step)) {
 
-             	return true; // 等待下次写入
 
-             }elseif($step > 0) {
 
-             	$step 	=	'-'.$step;
 
-             }
 
-         }
 
-         return $this->setField($field,array('exp',$field.'-'.$step));
 
-     }
 
-     /**
 
-      * 延时更新检查 返回false表示需要延时
 
-      * 否则返回实际写入的数值
 
-      * @access public
 
-      * @param string $guid  写入标识
 
-      * @param integer $step  写入步进值
 
-      * @param integer $lazyTime  延时时间(s)
 
-      * @return false|integer
 
-      */
 
-     protected function lazyWrite($guid,$step,$lazyTime) {
 
-         if(false !== ($value = S($guid))) { // 存在缓存写入数据
 
-             if(NOW_TIME > S($guid.'_time')+$lazyTime) {
 
-                 // 延时更新时间到了,删除缓存数据 并实际写入数据库
 
-                 S($guid,NULL);
 
-                 S($guid.'_time',NULL);
 
-                 return $value+$step;
 
-             }else{
 
-                 // 追加数据到缓存
 
-                 S($guid,$value+$step);
 
-                 return false;
 
-             }
 
-         }else{ // 没有缓存数据
 
-             S($guid,$step);
 
-             // 计时开始
 
-             S($guid.'_time',NOW_TIME);
 
-             return false;
 
-         }
 
-     }
 
-     /**
 
-      * 获取一条记录的某个字段值
 
-      * @access public
 
-      * @param string $field  字段名
 
-      * @param string $spea  字段数据间隔符号 NULL返回数组
 
-      * @return mixed
 
-      */
 
-     public function getField($field,$sepa=null) {
 
-         $options['field']       =   $field;
 
-         $options                =   $this->_parseOptions($options);
 
-         // 判断查询缓存
 
-         if(isset($options['cache'])){
 
-             $cache  =   $options['cache'];
 
-             $key    =   is_string($cache['key'])?$cache['key']:md5($sepa.serialize($options));
 
-             $data   =   S($key,'',$cache);
 
-             if(false !== $data){
 
-                 return $data;
 
-             }
 
-         }        
 
-         $field                  =   trim($field);
 
-         if(strpos($field,',') && false !== $sepa) { // 多字段
 
-             if(!isset($options['limit'])){
 
-                 $options['limit']   =   is_numeric($sepa)?$sepa:'';
 
-             }
 
-             $resultSet          =   $this->db->select($options);
 
-             if(!empty($resultSet)) {
 
- 		        if(is_string($resultSet)){
 
- 		            return $resultSet;
 
- 		        }            	
 
-                 $_field         =   explode(',', $field);
 
-                 $field          =   array_keys($resultSet[0]);
 
-                 $key1           =   array_shift($field);
 
-                 $key2           =   array_shift($field);
 
-                 $cols           =   array();
 
-                 $count          =   count($_field);
 
-                 foreach ($resultSet as $result){
 
-                     $name   =  $result[$key1];
 
-                     if(2==$count) {
 
-                         $cols[$name]   =  $result[$key2];
 
-                     }else{
 
-                         $cols[$name]   =  is_string($sepa)?implode($sepa,array_slice($result,1)):$result;
 
-                     }
 
-                 }
 
-                 if(isset($cache)){
 
-                     S($key,$cols,$cache);
 
-                 }
 
-                 return $cols;
 
-             }
 
-         }else{   // 查找一条记录
 
-             // 返回数据个数
 
-             if(true !== $sepa) {// 当sepa指定为true的时候 返回所有数据
 
-                 $options['limit']   =   is_numeric($sepa)?$sepa:1;
 
-             }
 
-             $result = $this->db->select($options);
 
-             if(!empty($result)) {
 
- 		        if(is_string($result)){
 
- 		            return $result;
 
- 		        }            	
 
-                 if(true !== $sepa && 1==$options['limit']) {
 
-                     $data   =   reset($result[0]);
 
-                     if(isset($cache)){
 
-                         S($key,$data,$cache);
 
-                     }            
 
-                     return $data;
 
-                 }
 
-                 foreach ($result as $val){
 
-                     $array[]    =   $val[$field];
 
-                 }
 
-                 if(isset($cache)){
 
-                     S($key,$array,$cache);
 
-                 }                
 
-                 return $array;
 
-             }
 
-         }
 
-         return null;
 
-     }
 
-     /**
 
-      * 创建数据对象 但不保存到数据库
 
-      * @access public
 
-      * @param mixed $data 创建数据
 
-      * @param string $type 状态
 
-      * @return mixed
 
-      */
 
-      public function create($data='',$type='') {
 
-         // 如果没有传值默认取POST数据
 
-         if(empty($data)) {
 
-             $data   =   I('post.');
 
-         }elseif(is_object($data)){
 
-             $data   =   get_object_vars($data);
 
-         }
 
-         // 验证数据
 
-         if(empty($data) || !is_array($data)) {
 
-             $this->error = L('_DATA_TYPE_INVALID_');
 
-             return false;
 
-         }
 
-         // 状态
 
-         $type = $type?:(!empty($data[$this->getPk()])?self::MODEL_UPDATE:self::MODEL_INSERT);
 
-         // 检查字段映射
 
- 		$data =	$this->parseFieldsMap($data,0);
 
-         // 检测提交字段的合法性
 
-         if(isset($this->options['field'])) { // $this->field('field1,field2...')->create()
 
-             $fields =   $this->options['field'];
 
-             unset($this->options['field']);
 
-         }elseif($type == self::MODEL_INSERT && isset($this->insertFields)) {
 
-             $fields =   $this->insertFields;
 
-         }elseif($type == self::MODEL_UPDATE && isset($this->updateFields)) {
 
-             $fields =   $this->updateFields;
 
-         }
 
-         if(isset($fields)) {
 
-             if(is_string($fields)) {
 
-                 $fields =   explode(',',$fields);
 
-             }
 
-             // 判断令牌验证字段
 
-             if(C('TOKEN_ON'))   $fields[] = C('TOKEN_NAME', null, '__hash__');
 
-             foreach ($data as $key=>$val){
 
-                 if(!in_array($key,$fields)) {
 
-                     unset($data[$key]);
 
-                 }
 
-             }
 
-         }
 
-         // 数据自动验证
 
-         if(!$this->autoValidation($data,$type)) return false;
 
-         // 表单令牌验证
 
-         if(!$this->autoCheckToken($data)) {
 
-             $this->error = L('_TOKEN_ERROR_');
 
-             return false;
 
-         }
 
-         // 验证完成生成数据对象
 
-         if($this->autoCheckFields) { // 开启字段检测 则过滤非法字段数据
 
-             $fields =   $this->getDbFields();
 
-             foreach ($data as $key=>$val){
 
-                 if(!in_array($key,$fields)) {
 
-                     unset($data[$key]);
 
-                 }elseif(MAGIC_QUOTES_GPC && is_string($val)){
 
-                     $data[$key] =   stripslashes($val);
 
-                 }
 
-             }
 
-         }
 
-         // 创建完成对数据进行自动处理
 
-         $this->autoOperation($data,$type);
 
-         // 赋值当前数据对象
 
-         $this->data =   $data;
 
-         // 返回创建的数据以供其他调用
 
-         return $data;
 
-      }
 
-     // 自动表单令牌验证
 
-     // TODO  ajax无刷新多次提交暂不能满足
 
-     public function autoCheckToken($data) {
 
-         // 支持使用token(false) 关闭令牌验证
 
-         if(isset($this->options['token']) && !$this->options['token']) return true;
 
-         if(C('TOKEN_ON')){
 
-             $name   = C('TOKEN_NAME', null, '__hash__');
 
-             if(!isset($data[$name]) || !isset($_SESSION[$name])) { // 令牌数据无效
 
-                 return false;
 
-             }
 
-             // 令牌验证
 
-             list($key,$value)  =  explode('_',$data[$name]);
 
-             if(isset($_SESSION[$name][$key]) && $value && $_SESSION[$name][$key] === $value) { // 防止重复提交
 
-                 unset($_SESSION[$name][$key]); // 验证完成销毁session
 
-                 return true;
 
-             }
 
-             // 开启TOKEN重置
 
-             if(C('TOKEN_RESET')) unset($_SESSION[$name][$key]);
 
-             return false;
 
-         }
 
-         return true;
 
-     }
 
-     /**
 
-      * 使用正则验证数据
 
-      * @access public
 
-      * @param string $value  要验证的数据
 
-      * @param string $rule 验证规则
 
-      * @return boolean
 
-      */
 
-     public function regex($value,$rule) {
 
-         $validate = array(
 
-             'require'   =>  '/\S+/',
 
-             'email'     =>  '/^\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*$/',
 
-             'url'       =>  '/^http(s?):\/\/(?:[A-za-z0-9-]+\.)+[A-za-z]{2,4}(:\d+)?(?:[\/\?#][\/=\?%\-&~`@[\]\':+!\.#\w]*)?$/',
 
-             'currency'  =>  '/^\d+(\.\d+)?$/',
 
-             'number'    =>  '/^\d+$/',
 
-             'zip'       =>  '/^\d{6}$/',
 
-             'integer'   =>  '/^[-\+]?\d+$/',
 
-             'double'    =>  '/^[-\+]?\d+(\.\d+)?$/',
 
-             'english'   =>  '/^[A-Za-z]+$/',
 
-         );
 
-         // 检查是否有内置的正则表达式
 
-         if(isset($validate[strtolower($rule)]))
 
-             $rule       =   $validate[strtolower($rule)];
 
-         return preg_match($rule,$value)===1;
 
-     }
 
-     /**
 
-      * 自动表单处理
 
-      * @access public
 
-      * @param array $data 创建数据
 
-      * @param string $type 创建类型
 
-      * @return mixed
 
-      */
 
-     private function autoOperation(&$data,$type) {
 
-     	if(false === $this->options['auto']){
 
-     		// 关闭自动完成
 
-     		return $data;
 
-     	}
 
-         if(!empty($this->options['auto'])) {
 
-             $_auto   =   $this->options['auto'];
 
-             unset($this->options['auto']);
 
-         }elseif(!empty($this->_auto)){
 
-             $_auto   =   $this->_auto;
 
-         }
 
-         // 自动填充
 
-         if(isset($_auto)) {
 
-             foreach ($_auto as $auto){
 
-                 // 填充因子定义格式
 
-                 // array('field','填充内容','填充条件','附加规则',[额外参数])
 
-                 if(empty($auto[2])) $auto[2] =  self::MODEL_INSERT; // 默认为新增的时候自动填充
 
-                 if( $type == $auto[2] || $auto[2] == self::MODEL_BOTH) {
 
-                     if(empty($auto[3])) $auto[3] =  'string';
 
-                     switch(trim($auto[3])) {
 
-                         case 'function':    //  使用函数进行填充 字段的值作为参数
 
-                         case 'callback': // 使用回调方法
 
-                             $args = isset($auto[4])?(array)$auto[4]:array();
 
-                             if(isset($data[$auto[0]])) {
 
-                                 array_unshift($args,$data[$auto[0]]);
 
-                             }
 
-                             if('function'==$auto[3]) {
 
-                                 $data[$auto[0]]  = call_user_func_array($auto[1], $args);
 
-                             }else{
 
-                                 $data[$auto[0]]  =  call_user_func_array(array(&$this,$auto[1]), $args);
 
-                             }
 
-                             break;
 
-                         case 'field':    // 用其它字段的值进行填充
 
-                             $data[$auto[0]] = $data[$auto[1]];
 
-                             break;
 
-                         case 'ignore': // 为空忽略
 
-                             if($auto[1]===$data[$auto[0]])
 
-                                 unset($data[$auto[0]]);
 
-                             break;
 
-                         case 'string':
 
-                         default: // 默认作为字符串填充
 
-                             $data[$auto[0]] = $auto[1];
 
-                     }
 
-                     if(isset($data[$auto[0]]) && false === $data[$auto[0]] )   unset($data[$auto[0]]);
 
-                 }
 
-             }
 
-         }
 
-         return $data;
 
-     }
 
-     /**
 
-      * 自动表单验证
 
-      * @access protected
 
-      * @param array $data 创建数据
 
-      * @param string $type 创建类型
 
-      * @return boolean
 
-      */
 
-     protected function autoValidation($data,$type) {
 
-     	if(false === $this->options['validate'] ){
 
-     		// 关闭自动验证
 
-     		return true;
 
-     	}
 
-         if(!empty($this->options['validate'])) {
 
-             $_validate   =   $this->options['validate'];
 
-             unset($this->options['validate']);
 
-         }elseif(!empty($this->_validate)){
 
-             $_validate   =   $this->_validate;
 
-         }
 
-         // 属性验证
 
-         if(isset($_validate)) { // 如果设置了数据自动验证则进行数据验证
 
-             if($this->patchValidate) { // 重置验证错误信息
 
-                 $this->error = array();
 
-             }
 
-             foreach($_validate as $key=>$val) {
 
-                 // 验证因子定义格式
 
-                 // array(field,rule,message,condition,type,when,params)
 
-                 // 判断是否需要执行验证
 
-                 if(empty($val[5]) || ( $val[5]== self::MODEL_BOTH && $type < 3 ) || $val[5]== $type ) {
 
-                     if(0==strpos($val[2],'{%') && strpos($val[2],'}'))
 
-                         // 支持提示信息的多语言 使用 {%语言定义} 方式
 
-                         $val[2]  =  L(substr($val[2],2,-1));
 
-                     $val[3]  =  isset($val[3])?$val[3]:self::EXISTS_VALIDATE;
 
-                     $val[4]  =  isset($val[4])?$val[4]:'regex';
 
-                     // 判断验证条件
 
-                     switch($val[3]) {
 
-                         case self::MUST_VALIDATE:   // 必须验证 不管表单是否有设置该字段
 
-                             if(false === $this->_validationField($data,$val)) 
 
-                                 return false;
 
-                             break;
 
-                         case self::VALUE_VALIDATE:    // 值不为空的时候才验证
 
-                             if('' != trim($data[$val[0]]))
 
-                                 if(false === $this->_validationField($data,$val)) 
 
-                                     return false;
 
-                             break;
 
-                         default:    // 默认表单存在该字段就验证
 
-                             if(isset($data[$val[0]]))
 
-                                 if(false === $this->_validationField($data,$val)) 
 
-                                     return false;
 
-                     }
 
-                 }
 
-             }
 
-             // 批量验证的时候最后返回错误
 
-             if(!empty($this->error)) return false;
 
-         }
 
-         return true;
 
-     }
 
-     /**
 
-      * 验证表单字段 支持批量验证
 
-      * 如果批量验证返回错误的数组信息
 
-      * @access protected
 
-      * @param array $data 创建数据
 
-      * @param array $val 验证因子
 
-      * @return boolean
 
-      */
 
-     protected function _validationField($data,$val) {
 
-         if($this->patchValidate && isset($this->error[$val[0]]))
 
-             return ; //当前字段已经有规则验证没有通过
 
-         if(false === $this->_validationFieldItem($data,$val)){
 
-             if($this->patchValidate) {
 
-                 $this->error[$val[0]]   =   $val[2];
 
-             }else{
 
-                 $this->error            =   $val[2];
 
-                 return false;
 
-             }
 
-         }
 
-         return ;
 
-     }
 
-     /**
 
-      * 根据验证因子验证字段
 
-      * @access protected
 
-      * @param array $data 创建数据
 
-      * @param array $val 验证因子
 
-      * @return boolean
 
-      */
 
-     protected function _validationFieldItem($data,$val) {
 
-         switch(strtolower(trim($val[4]))) {
 
-             case 'function':// 使用函数进行验证
 
-             case 'callback':// 调用方法进行验证
 
-                 $args = isset($val[6])?(array)$val[6]:array();
 
-                 if(is_string($val[0]) && strpos($val[0], ','))
 
-                     $val[0] = explode(',', $val[0]);
 
-                 if(is_array($val[0])){
 
-                     // 支持多个字段验证
 
-                     foreach($val[0] as $field)
 
-                         $_data[$field] = $data[$field];
 
-                     array_unshift($args, $_data);
 
-                 }else{
 
-                     array_unshift($args, $data[$val[0]]);
 
-                 }
 
-                 if('function'==$val[4]) {
 
-                     return call_user_func_array($val[1], $args);
 
-                 }else{
 
-                     return call_user_func_array(array(&$this, $val[1]), $args);
 
-                 }
 
-             case 'confirm': // 验证两个字段是否相同
 
-                 return $data[$val[0]] == $data[$val[1]];
 
-             case 'unique': // 验证某个值是否唯一
 
-                 if(is_string($val[0]) && strpos($val[0],','))
 
-                     $val[0]  =  explode(',',$val[0]);
 
-                 $map = array();
 
-                 if(is_array($val[0])) {
 
-                     // 支持多个字段验证
 
-                     foreach ($val[0] as $field)
 
-                         $map[$field]   =  $data[$field];
 
-                 }else{
 
-                     $map[$val[0]] = $data[$val[0]];
 
-                 }
 
-                 $pk =   $this->getPk();
 
-                 if(!empty($data[$pk]) && is_string($pk)) { // 完善编辑的时候验证唯一
 
-                     $map[$pk] = array('neq',$data[$pk]);
 
-                 }
 
-                 if($this->where($map)->find())   return false;
 
-                 return true;
 
-             default:  // 检查附加规则
 
-                 return $this->check($data[$val[0]],$val[1],$val[4]);
 
-         }
 
-     }
 
-     /**
 
-      * 验证数据 支持 in between equal length regex expire ip_allow ip_deny
 
-      * @access public
 
-      * @param string $value 验证数据
 
-      * @param mixed $rule 验证表达式
 
-      * @param string $type 验证方式 默认为正则验证
 
-      * @return boolean
 
-      */
 
-     public function check($value,$rule,$type='regex'){
 
-         $type   =   strtolower(trim($type));
 
-         switch($type) {
 
-             case 'in': // 验证是否在某个指定范围之内 逗号分隔字符串或者数组
 
-             case 'notin':
 
-                 $range   = is_array($rule)? $rule : explode(',',$rule);
 
-                 return $type == 'in' ? in_array($value ,$range) : !in_array($value ,$range);
 
-             case 'between': // 验证是否在某个范围
 
-             case 'notbetween': // 验证是否不在某个范围            
 
-                 if (is_array($rule)){
 
-                     $min    =    $rule[0];
 
-                     $max    =    $rule[1];
 
-                 }else{
 
-                     list($min,$max)   =  explode(',',$rule);
 
-                 }
 
-                 return $type == 'between' ? $value>=$min && $value<=$max : $value<$min || $value>$max;
 
-             case 'equal': // 验证是否等于某个值
 
-             case 'notequal': // 验证是否等于某个值            
 
-                 return $type == 'equal' ? $value == $rule : $value != $rule;
 
-             case 'length': // 验证长度
 
-                 $length  =  mb_strlen($value,'utf-8'); // 当前数据长度
 
-                 if(strpos($rule,',')) { // 长度区间
 
-                     list($min,$max)   =  explode(',',$rule);
 
-                     return $length >= $min && $length <= $max;
 
-                 }else{// 指定长度
 
-                     return $length == $rule;
 
-                 }
 
-             case 'expire':
 
-                 list($start,$end)   =  explode(',',$rule);
 
-                 if(!is_numeric($start)) $start   =  strtotime($start);
 
-                 if(!is_numeric($end)) $end   =  strtotime($end);
 
-                 return NOW_TIME >= $start && NOW_TIME <= $end;
 
-             case 'ip_allow': // IP 操作许可验证
 
-                 return in_array(get_client_ip(),explode(',',$rule));
 
-             case 'ip_deny': // IP 操作禁止验证
 
-                 return !in_array(get_client_ip(),explode(',',$rule));
 
-             case 'regex':
 
-             default:    // 默认使用正则验证 可以使用验证类中定义的验证名称
 
-                 // 检查附加规则
 
-                 return $this->regex($value,$rule);
 
-         }
 
-     }
 
-     /**
 
-      * 存储过程返回多数据集
 
-      * @access public
 
-      * @param string $sql  SQL指令
 
-      * @param mixed $parse  是否需要解析SQL
 
-      * @return array
 
-      */
 
-     public function procedure($sql, $parse = false) {
 
-         return $this->db->procedure($sql, $parse);
 
-     }
 
-     /**
 
-      * SQL查询
 
-      * @access public
 
-      * @param string $sql  SQL指令
 
-      * @param mixed $parse  是否需要解析SQL
 
-      * @return mixed
 
-      */
 
-     public function query($sql,$parse=false) {
 
-         if(!is_bool($parse) && !is_array($parse)) {
 
-             $parse = func_get_args();
 
-             array_shift($parse);
 
-         }
 
-         $sql  =   $this->parseSql($sql,$parse);
 
-         return $this->db->query($sql);
 
-     }
 
-     /**
 
-      * 执行SQL语句
 
-      * @access public
 
-      * @param string $sql  SQL指令
 
-      * @param mixed $parse  是否需要解析SQL
 
-      * @return false | integer
 
-      */
 
-     public function execute($sql,$parse=false) {
 
-         if(!is_bool($parse) && !is_array($parse)) {
 
-             $parse = func_get_args();
 
-             array_shift($parse);
 
-         }
 
-         $sql  =   $this->parseSql($sql,$parse);
 
-         return $this->db->execute($sql);
 
-     }
 
-     /**
 
-      * 解析SQL语句
 
-      * @access public
 
-      * @param string $sql  SQL指令
 
-      * @param boolean $parse  是否需要解析SQL
 
-      * @return string
 
-      */
 
-     protected function parseSql($sql,$parse) {
 
-         // 分析表达式
 
-         if(true === $parse) {
 
-             $options =  $this->_parseOptions();
 
-             $sql    =   $this->db->parseSql($sql,$options);
 
-         }elseif(is_array($parse)){ // SQL预处理
 
-             $parse  =   array_map(array($this->db,'escapeString'),$parse);
 
-             $sql    =   vsprintf($sql,$parse);
 
-         }else{
 
-             $sql    =   strtr($sql,array('__TABLE__'=>$this->getTableName(),'__PREFIX__'=>$this->tablePrefix));
 
-             $prefix =   $this->tablePrefix;
 
-             $sql    =   preg_replace_callback("/__([A-Z0-9_-]+)__/sU", function($match) use($prefix){ return $prefix.strtolower($match[1]);}, $sql);
 
-         }
 
-         $this->db->setModel($this->name);
 
-         return $sql;
 
-     }
 
-     /**
 
-      * 切换当前的数据库连接
 
-      * @access public
 
-      * @param integer $linkNum  连接序号
 
-      * @param mixed $config  数据库连接信息
 
-      * @param boolean $force 强制重新连接
 
-      * @return Model
 
-      */
 
-     public function db($linkNum='',$config='',$force=false) {
 
-         if('' === $linkNum && $this->db) {
 
-             return $this->db;
 
-         }
 
-         if(!isset($this->_db[$linkNum]) || $force ) {
 
-             // 创建一个新的实例
 
-             if(!empty($config) && is_string($config) && false === strpos($config,'/')) { // 支持读取配置参数
 
-                 $config  =  C($config);
 
-             }
 
-             $this->_db[$linkNum]            =    Db::getInstance($config);
 
-         }elseif(NULL === $config){
 
-             $this->_db[$linkNum]->close(); // 关闭数据库连接
 
-             unset($this->_db[$linkNum]);
 
-             return ;
 
-         }
 
-         // 切换数据库连接
 
-         $this->db   =    $this->_db[$linkNum];
 
-         $this->_after_db();
 
-         // 字段检测
 
-         if(!empty($this->name) && $this->autoCheckFields)    $this->_checkTableInfo();
 
-         return $this;
 
-     }
 
-     // 数据库切换后回调方法
 
-     protected function _after_db() {}
 
-     /**
 
-      * 得到当前的数据对象名称
 
-      * @access public
 
-      * @return string
 
-      */
 
-     public function getModelName() {
 
-         if(empty($this->name)){
 
-             $name = substr(get_class($this),0,-strlen(C('DEFAULT_M_LAYER')));
 
-             if ( $pos = strrpos($name,'\\') ) {//有命名空间
 
-                 $this->name = substr($name,$pos+1);
 
-             }else{
 
-                 $this->name = $name;
 
-             }
 
-         }
 
-         return $this->name;
 
-     }
 
-     /**
 
-      * 得到完整的数据表名
 
-      * @access public
 
-      * @return string
 
-      */
 
-     public function getTableName() {
 
-         if(empty($this->trueTableName)) {
 
-             $tableName  = !empty($this->tablePrefix) ? $this->tablePrefix : '';
 
-             if(!empty($this->tableName)) {
 
-                 $tableName .= $this->tableName;
 
-             }else{
 
-                 $tableName .= parse_name($this->name);
 
-             }
 
-             $this->trueTableName    =   strtolower($tableName);
 
-         }
 
-         return (!empty($this->dbName)?$this->dbName.'.':'').$this->trueTableName;
 
-     }
 
-     /**
 
-      * 启动事务
 
-      * @access public
 
-      * @return void
 
-      */
 
-     public function startTrans() {
 
-         $this->commit();
 
-         $this->db->startTrans();
 
-         return ;
 
-     }
 
-     /**
 
-      * 提交事务
 
-      * @access public
 
-      * @return boolean
 
-      */
 
-     public function commit() {
 
-         return $this->db->commit();
 
-     }
 
-     /**
 
-      * 事务回滚
 
-      * @access public
 
-      * @return boolean
 
-      */
 
-     public function rollback() {
 
-         return $this->db->rollback();
 
-     }
 
-     /**
 
-      * 返回模型的错误信息
 
-      * @access public
 
-      * @return string
 
-      */
 
-     public function getError(){
 
-         return $this->error;
 
-     }
 
-     /**
 
-      * 返回数据库的错误信息
 
-      * @access public
 
-      * @return string
 
-      */
 
-     public function getDbError() {
 
-         return $this->db->getError();
 
-     }
 
-     /**
 
-      * 返回最后插入的ID
 
-      * @access public
 
-      * @return string
 
-      */
 
-     public function getLastInsID() {
 
-         return $this->db->getLastInsID();
 
-     }
 
-     /**
 
-      * 返回最后执行的sql语句
 
-      * @access public
 
-      * @return string
 
-      */
 
-     public function getLastSql() {
 
-         return $this->db->getLastSql($this->name);
 
-     }
 
-     // 鉴于getLastSql比较常用 增加_sql 别名
 
-     public function _sql(){
 
-         return $this->getLastSql();
 
-     }
 
-     /**
 
-      * 获取主键名称
 
-      * @access public
 
-      * @return string
 
-      */
 
-     public function getPk() {
 
-         return $this->pk;
 
-     }
 
-     /**
 
-      * 获取数据表字段信息
 
-      * @access public
 
-      * @return array
 
-      */
 
-     public function getDbFields(){
 
-         if(isset($this->options['table'])) {// 动态指定表名
 
-             if(is_array($this->options['table'])){
 
-                 $table  =   key($this->options['table']);
 
-             }else{
 
-                 $table  =   $this->options['table'];
 
-                 if(strpos($table,')')){
 
-                     // 子查询
 
-                     return false;
 
-                 }
 
-             }
 
-             $fields     =   $this->db->getFields($table);
 
-             return  $fields ? array_keys($fields) : false;
 
-         }
 
-         if($this->fields) {
 
-             $fields     =  $this->fields;
 
-             unset($fields['_type'],$fields['_pk']);
 
-             return $fields;
 
-         }
 
-         return false;
 
-     }
 
-     /**
 
-      * 设置数据对象值
 
-      * @access public
 
-      * @param mixed $data 数据
 
-      * @return Model
 
-      */
 
-     public function data($data=''){
 
-         if('' === $data && !empty($this->data)) {
 
-             return $this->data;
 
-         }
 
-         if(is_object($data)){
 
-             $data   =   get_object_vars($data);
 
-         }elseif(is_string($data)){
 
-             parse_str($data,$data);
 
-         }elseif(!is_array($data)){
 
-             E(L('_DATA_TYPE_INVALID_'));
 
-         }
 
-         $this->data = $data;
 
-         return $this;
 
-     }
 
-     /**
 
-      * 指定当前的数据表
 
-      * @access public
 
-      * @param mixed $table
 
-      * @return Model
 
-      */
 
-     public function table($table) {
 
-         $prefix =   $this->tablePrefix;
 
-         if(is_array($table)) {
 
-             $this->options['table'] =   $table;
 
-         }elseif(!empty($table)) {
 
-             //将__TABLE_NAME__替换成带前缀的表名
 
-             $table  = preg_replace_callback("/__([A-Z0-9_-]+)__/sU", function($match) use($prefix){ return $prefix.strtolower($match[1]);}, $table);
 
-             $this->options['table'] =   $table;
 
-         }
 
-         return $this;
 
-     }
 
-     /**
 
-      * USING支持 用于多表删除
 
-      * @access public
 
-      * @param mixed $using
 
-      * @return Model
 
-      */
 
-     public function using($using){
 
-         $prefix =   $this->tablePrefix;
 
-         if(is_array($using)) {
 
-             $this->options['using'] =   $using;
 
-         }elseif(!empty($using)) {
 
-             //将__TABLE_NAME__替换成带前缀的表名
 
-             $using  = preg_replace_callback("/__([A-Z0-9_-]+)__/sU", function($match) use($prefix){ return $prefix.strtolower($match[1]);}, $using);
 
-             $this->options['using'] =   $using;
 
-         }
 
-         return $this;
 
-     }
 
-     /**
 
-      * 查询SQL组装 join
 
-      * @access public
 
-      * @param mixed $join
 
-      * @param string $type JOIN类型
 
-      * @return Model
 
-      */
 
-     public function join($join,$type='INNER') {
 
-         $prefix =   $this->tablePrefix;
 
-         if(is_array($join)) {
 
-             foreach ($join as $key=>&$_join){
 
-                 $_join  =   preg_replace_callback("/__([A-Z0-9_-]+)__/sU", function($match) use($prefix){ return $prefix.strtolower($match[1]);}, $_join);
 
-                 $_join  =   false !== stripos($_join,'JOIN')? $_join : $type.' JOIN ' .$_join;
 
-             }
 
-             $this->options['join']      =   $join;
 
-         }elseif(!empty($join)) {
 
-             //将__TABLE_NAME__字符串替换成带前缀的表名
 
-             $join  = preg_replace_callback("/__([A-Z0-9_-]+)__/sU", function($match) use($prefix){ return $prefix.strtolower($match[1]);}, $join);
 
-             $this->options['join'][]    =   false !== stripos($join,'JOIN')? $join : $type.' JOIN '.$join;
 
-         }
 
-         return $this;
 
-     }
 
-     /**
 
-      * 查询SQL组装 union
 
-      * @access public
 
-      * @param mixed $union
 
-      * @param boolean $all
 
-      * @return Model
 
-      */
 
-     public function union($union,$all=false) {
 
-         if(empty($union)) return $this;
 
-         if($all) {
 
-             $this->options['union']['_all']  =   true;
 
-         }
 
-         if(is_object($union)) {
 
-             $union   =  get_object_vars($union);
 
-         }
 
-         // 转换union表达式
 
-         if(is_string($union) ) {
 
-             $prefix =   $this->tablePrefix;
 
-             //将__TABLE_NAME__字符串替换成带前缀的表名
 
-             $options  = preg_replace_callback("/__([A-Z0-9_-]+)__/sU", function($match) use($prefix){ return $prefix.strtolower($match[1]);}, $union);
 
-         }elseif(is_array($union)){
 
-             if(isset($union[0])) {
 
-                 $this->options['union']  =  array_merge($this->options['union'],$union);
 
-                 return $this;
 
-             }else{
 
-                 $options =  $union;
 
-             }
 
-         }else{
 
-             E(L('_DATA_TYPE_INVALID_'));
 
-         }
 
-         $this->options['union'][]  =   $options;
 
-         return $this;
 
-     }
 
-     /**
 
-      * 查询缓存
 
-      * @access public
 
-      * @param mixed $key
 
-      * @param integer $expire
 
-      * @param string $type
 
-      * @return Model
 
-      */
 
-     public function cache($key=true,$expire=null,$type=''){
 
-         // 增加快捷调用方式 cache(10) 等同于 cache(true, 10)
 
-         if(is_numeric($key) && is_null($expire)){
 
-             $expire = $key;
 
-             $key    = true;
 
-         }
 
-         if(false !== $key)
 
-             $this->options['cache']  =  array('key'=>$key,'expire'=>$expire,'type'=>$type);
 
-         return $this;
 
-     }
 
-     /**
 
-      * 指定查询字段 支持字段排除
 
-      * @access public
 
-      * @param mixed $field
 
-      * @param boolean $except 是否排除
 
-      * @return Model
 
-      */
 
-     public function field($field,$except=false){
 
-         if(true === $field) {// 获取全部字段
 
-             $fields     =  $this->getDbFields();
 
-             $field      =  $fields?:'*';
 
-         }elseif($except) {// 字段排除
 
-             if(is_string($field)) {
 
-                 $field  =  explode(',',$field);
 
-             }
 
-             $fields     =  $this->getDbFields();
 
-             $field      =  $fields?array_diff($fields,$field):$field;
 
-         }
 
-         $this->options['field']   =   $field;
 
-         return $this;
 
-     }
 
-     /**
 
-      * 调用命名范围
 
-      * @access public
 
-      * @param mixed $scope 命名范围名称 支持多个 和直接定义
 
-      * @param array $args 参数
 
-      * @return Model
 
-      */
 
-     public function scope($scope='',$args=NULL){
 
-         if('' === $scope) {
 
-             if(isset($this->_scope['default'])) {
 
-                 // 默认的命名范围
 
-                 $options    =   $this->_scope['default'];
 
-             }else{
 
-                 return $this;
 
-             }
 
-         }elseif(is_string($scope)){ // 支持多个命名范围调用 用逗号分割
 
-             $scopes         =   explode(',',$scope);
 
-             $options        =   array();
 
-             foreach ($scopes as $name){
 
-                 if(!isset($this->_scope[$name])) continue;
 
-                 $options    =   array_merge($options,$this->_scope[$name]);
 
-             }
 
-             if(!empty($args) && is_array($args)) {
 
-                 $options    =   array_merge($options,$args);
 
-             }
 
-         }elseif(is_array($scope)){ // 直接传入命名范围定义
 
-             $options        =   $scope;
 
-         }
 
-         
 
-         if(is_array($options) && !empty($options)){
 
-             $this->options  =   array_merge($this->options,array_change_key_case($options));
 
-         }
 
-         return $this;
 
-     }
 
-     /**
 
-      * 指定查询条件 支持安全过滤
 
-      * @access public
 
-      * @param mixed $where 条件表达式
 
-      * @param mixed $parse 预处理参数
 
-      * @return Model
 
-      */
 
-     public function where($where,$parse=null){
 
-         if(!is_null($parse) && is_string($where)) {
 
-             if(!is_array($parse)) {
 
-                 $parse = func_get_args();
 
-                 array_shift($parse);
 
-             }
 
-             $parse = array_map(array($this->db,'escapeString'),$parse);
 
-             $where =   vsprintf($where,$parse);
 
-         }elseif(is_object($where)){
 
-             $where  =   get_object_vars($where);
 
-         }
 
-         if(is_string($where) && '' != $where){
 
-             $map    =   array();
 
-             $map['_string']   =   $where;
 
-             $where  =   $map;
 
-         }        
 
-         if(isset($this->options['where'])){
 
-             $this->options['where'] =   array_merge($this->options['where'],$where);
 
-         }else{
 
-             $this->options['where'] =   $where;
 
-         }
 
-         
 
-         return $this;
 
-     }
 
-     /**
 
-      * 指定查询数量
 
-      * @access public
 
-      * @param mixed $offset 起始位置
 
-      * @param mixed $length 查询数量
 
-      * @return Model
 
-      */
 
-     public function limit($offset,$length=null){
 
-         if(is_null($length) && strpos($offset,',')){
 
-             list($offset,$length)   =   explode(',',$offset);
 
-         }
 
-         $this->options['limit']     =   intval($offset).( $length? ','.intval($length) : '' );
 
-         return $this;
 
-     }
 
-     /**
 
-      * 指定分页
 
-      * @access public
 
-      * @param mixed $page 页数
 
-      * @param mixed $listRows 每页数量
 
-      * @return Model
 
-      */
 
-     public function page($page,$listRows=null){
 
-         if(is_null($listRows) && strpos($page,',')){
 
-             list($page,$listRows)   =   explode(',',$page);
 
-         }
 
-         $this->options['page']      =   array(intval($page),intval($listRows));
 
-         return $this;
 
-     }
 
-     /**
 
-      * 查询注释
 
-      * @access public
 
-      * @param string $comment 注释
 
-      * @return Model
 
-      */
 
-     public function comment($comment){
 
-         $this->options['comment'] =   $comment;
 
-         return $this;
 
-     }
 
-     /**
 
-      * 获取执行的SQL语句
 
-      * @access public
 
-      * @param boolean $fetch 是否返回sql
 
-      * @return Model
 
-      */
 
-     public function fetchSql($fetch=true){
 
-         $this->options['fetch_sql'] =   $fetch;
 
-         return $this;
 
-     }
 
-     /**
 
-      * 参数绑定
 
-      * @access public
 
-      * @param string $key  参数名
 
-      * @param mixed $value  绑定的变量及绑定参数
 
-      * @return Model
 
-      */
 
-     public function bind($key,$value=false) {
 
-         if(is_array($key)){
 
-             $this->options['bind'] =    $key;
 
-         }else{
 
-             $num =  func_num_args();
 
-             if($num>2){
 
-                 $params =   func_get_args();
 
-                 array_shift($params);
 
-                 $this->options['bind'][$key] =  $params;
 
-             }else{
 
-                 $this->options['bind'][$key] =  $value;
 
-             }        
 
-         }
 
-         return $this;
 
-     }
 
-     /**
 
-      * 设置模型的属性值
 
-      * @access public
 
-      * @param string $name 名称
 
-      * @param mixed $value 值
 
-      * @return Model
 
-      */
 
-     public function setProperty($name,$value) {
 
-         if(property_exists($this,$name))
 
-             $this->$name = $value;
 
-         return $this;
 
-     }
 
- }
 
 
  |