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<?php
// +----------------------------------------------------------------------
// | ThinkPHP [ WE CAN DO IT JUST THINK IT ]
// +----------------------------------------------------------------------
// | Copyright (c) 2006-2012 http://thinkphp.cn All rights reserved.
// +----------------------------------------------------------------------
// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
// +----------------------------------------------------------------------
// | Author: liu21st <liu21st@gmail.com>
// +----------------------------------------------------------------------
// $Id: Model.class.php 2815 2012-03-13 07:08:56Z liu21st $
/**
+------------------------------------------------------------------------------
* ThinkPHP Model模型类
* 实现了ORM和ActiveRecords模式
+------------------------------------------------------------------------------
* @category Think
* @package Think
* @subpackage Core
* @author liu21st <liu21st@gmail.com>
* @version $Id: Model.class.php 2815 2012-03-13 07:08:56Z liu21st $
+------------------------------------------------------------------------------
*/
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_VAILIDATE = 0;// 表单存在字段则验证
const VALUE_VAILIDATE = 2;// 表单值不为空则验证
// 当前使用的扩展模型
private $_extModel = null;
// 当前数据库操作对象
protected $db = null;
// 主键名称
protected $pk = 'id';
// 数据表前缀
protected $tablePrefix = '';
// 模型名称
protected $name = '';
// 数据库名称
protected $dbName = '';
// 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
// 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;
/**
+----------------------------------------------------------
* 架构函数
* 取得DB类的实例对象 字段检查
+----------------------------------------------------------
* @param string $name 模型名称
* @param string $tablePrefix 表前缀
* @param mixed $connection 数据库连接信息
+----------------------------------------------------------
* @access public
+----------------------------------------------------------
*/
public function __construct($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;
}else{
$this->tablePrefix = $this->tablePrefix?$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);
}
/**
+----------------------------------------------------------
* 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 = $this->dbName?$this->dbName:C('DB_NAME');
$this->fields = F('_fields/'.$db.'.'.$this->name);
if(!$this->fields) $this->flush();
}else{
// 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);
$this->fields['_autoinc'] = false;
foreach ($fields as $key=>$val){
// 记录字段类型
$type[$key] = $val['type'];
if($val['primary']) {
$this->fields['_pk'] = $key;
if($val['autoinc']) $this->fields['_autoinc'] = true;
}
}
// 记录字段类型信息
if(C('DB_FIELDTYPE_CHECK')) $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 = $this->dbName?$this->dbName:C('DB_NAME');
F('_fields/'.$db.'.'.$this->name,$this->fields);
}
}
/**
+----------------------------------------------------------
* 动态切换扩展模型
+----------------------------------------------------------
* @access public
+----------------------------------------------------------
* @param string $type 模型类型名称
* @param mixed $vars 要传入扩展模型的属性变量
+----------------------------------------------------------
* @return Model
+----------------------------------------------------------
*/
public function switchModel($type,$vars=array()) {
$class = ucwords(strtolower($type)).'Model';
if(!class_exists($class))
throw_exception($class.L('_MODEL_NOT_EXIST_'));
// 实例化扩展模型
$this->_extModel = new $class($this->name);
if(!empty($vars)) {
// 传入当前模型的属性到扩展模型
foreach ($vars as $var)
$this->_extModel->setProperty($var,$this->$var);
}
return $this->_extModel;
}
/**
+----------------------------------------------------------
* 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),array('table','where','order','limit','page','alias','having','group','lock','distinct'),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($args[1]);
}else{
throw_exception(__CLASS__.':'.$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) {
// 检查非数据字段
if(!empty($this->fields)) {
foreach ($data as $key=>$val){
if(!in_array($key,$this->fields,true)){
unset($data[$key]);
}elseif(C('DB_FIELDTYPE_CHECK') && is_scalar($val)) {
// 字段类型检查
$this->_parseType($data,$key);
}
}
}
$this->_before_write($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;
}
}
// 分析表达式
$options = $this->_parseOptions($options);
// 数据处理
$data = $this->_facade($data);
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 ) {
$insertId = $this->getLastInsID();
if($insertId) {
// 自增主键返回插入ID
$data[$this->getPk()] = $insertId;
$this->_after_insert($data,$options);
return $insertId;
}
}
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;
}
// 分析表达式
$options = $this->_parseOptions($options);
// 数据处理
foreach ($dataList as $key=>$data){
$dataList[$key] = $this->_facade($data);
}
// 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?$fields:$options['field'],$table?$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);
// 分析表达式
$options = $this->_parseOptions($options);
if(false === $this->_before_update($data,$options)) {
return false;
}
if(!isset($options['where']) ) {
// 如果存在主键数据 则自动作为更新条件
if(isset($data[$this->getPk()])) {
$pk = $this->getPk();
$where[$pk] = $data[$pk];
$options['where'] = $where;
$pkValue = $data[$pk];
unset($data[$pk]);
}else{
// 如果没有任何更新条件则不执行
$this->error = L('_OPERATION_WRONG_');
return false;
}
}
$result = $this->db->update($data,$options);
if(false !== $result) {
if(isset($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()) {
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[$this->getPk()]))
return $this->delete($this->data[$this->getPk()]);
else
return false;
}
if(is_numeric($options) || is_string($options)) {
// 根据主键删除记录
$pk = $this->getPk();
if(strpos($options,',')) {
$where[$pk] = array('IN', $options);
}else{
$where[$pk] = $options;
$pkValue = $options;
}
$options = array();
$options['where'] = $where;
}
// 分析表达式
$options = $this->_parseOptions($options);
$result= $this->db->delete($options);
if(false !== $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()) {
if(is_string($options) || is_numeric($options)) {
// 根据主键查询
$pk = $this->getPk();
if(strpos($options,',')) {
$where[$pk] = array('IN',$options);
}else{
$where[$pk] = $options;
}
$options = array();
$options['where'] = $where;
}elseif(false === $options){ // 用于子查询 不查询只返回SQL
$options = array();
// 分析表达式
$options = $this->_parseOptions($options);
return '( '.$this->db->buildSelectSql($options).' )';
}
// 分析表达式
$options = $this->_parseOptions($options);
$resultSet = $this->db->select($options);
if(false === $resultSet) {
return false;
}
if(empty($resultSet)) { // 查询结果为空
return null;
}
$this->_after_select($resultSet,$options);
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
+----------------------------------------------------------
* @param array $options 表达式参数
+----------------------------------------------------------
* @return string
+----------------------------------------------------------
*/
public function buildSql($options=array()) {
// 分析表达式
$options = $this->_parseOptions($options);
return '( '.$this->db->buildSelectSql($options).' )';
}
/**
+----------------------------------------------------------
* 分析表达式
+----------------------------------------------------------
* @access proteced
+----------------------------------------------------------
* @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);
// 查询过后清空sql表达式组装 避免影响下次查询
$this->options = array();
if(!isset($options['table']))
// 自动获取表名
$options['table'] =$this->getTableName();
if(!empty($options['alias'])) {
$options['table'] .= ' '.$options['alias'];
}
// 记录操作的模型名称
$options['model'] = $this->name;
// 字段类型验证
if(C('DB_FIELDTYPE_CHECK')) {
if(isset($options['where']) && is_array($options['where'])) {
// 对数组查询条件进行字段类型检查
foreach ($options['where'] as $key=>$val){
if(in_array($key,$this->fields,true) && is_scalar($val)){
$this->_parseType($options['where'],$key);
}
}
}
}
// 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) {
$fieldType = strtolower($this->fields['_type'][$key]);
if(false === strpos($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];
}
}
/**
+----------------------------------------------------------
* 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;
}
// 总是查找一条记录
$options['limit'] = 1;
// 分析表达式
$options = $this->_parseOptions($options);
$resultSet = $this->db->select($options);
if(false === $resultSet) {
return false;
}
if(empty($resultSet)) {// 查询结果为空
return null;
}
$this->data = $resultSet[0];
$this->_after_find($this->data,$options);
return $this->data;
}
// 查询成功的回调方法
protected function _after_find(&$result,$options) {}
/**
+----------------------------------------------------------
* 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 $step 增长值
+----------------------------------------------------------
* @return boolean
+----------------------------------------------------------
*/
public function setInc($field,$step=1) {
return $this->setField($field,array('exp',$field.'+'.$step));
}
/**
+----------------------------------------------------------
* 字段值减少
+----------------------------------------------------------
* @access public
+----------------------------------------------------------
* @param string $field 字段名
* @param integer $step 减少值
+----------------------------------------------------------
* @return boolean
+----------------------------------------------------------
*/
public function setDec($field,$step=1) {
return $this->setField($field,array('exp',$field.'-'.$step));
}
/**
+----------------------------------------------------------
* 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);
if(strpos($field,',')) { // 多字段
$resultSet = $this->db->select($options);
if(!empty($resultSet)) {
$_field = explode(',', $field);
$field = array_keys($resultSet[0]);
$move = $_field[0]==$_field[1]?false:true;
$key = array_shift($field);
$key2 = array_shift($field);
$cols = array();
$count = count($_field);
foreach ($resultSet as $result){
$name = $result[$key];
if($move) { // 删除键值记录
unset($result[$key]);
}
if(2==$count) {
$cols[$name] = $result[$key2];
}else{
$cols[$name] = is_null($sepa)?$result:implode($sepa,$result);
}
}
return $cols;
}
}else{ // 查找一条记录
$options['limit'] = 1;
$result = $this->db->select($options);
if(!empty($result)) {
return reset($result[0]);
}
}
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 = $_POST;
}elseif(is_object($data)){
$data = get_object_vars($data);
}
// 验证数据
if(empty($data) || !is_array($data)) {
$this->error = L('_DATA_TYPE_INVALID_');
return false;
}
// 检查字段映射
$data = $this->parseFieldsMap($data,0);
// 状态
$type = $type?$type:(!empty($data[$this->getPk()])?self::MODEL_UPDATE:self::MODEL_INSERT);
// 数据自动验证
if(!$this->autoValidation($data,$type)) return false;
// 表单令牌验证
if(C('TOKEN_ON') && !$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
$vo = array();
foreach ($this->fields as $key=>$name){
if(substr($key,0,1)=='_') continue;
$val = isset($data[$name])?$data[$name]:null;
//保证赋值有效
if(!is_null($val)){
$vo[$name] = (MAGIC_QUOTES_GPC && is_string($val))? stripslashes($val) : $val;
}
}
}else{
$vo = $data;
}
// 创建完成对数据进行自动处理
$this->autoOperation($vo,$type);
// 赋值当前数据对象
$this->data = $vo;
// 返回创建的数据以供其他调用
return $vo;
}
// 自动表单令牌验证
// TODO ajax无刷新多次提交暂不能满足
public function autoCheckToken($data) {
if(C('TOKEN_ON')){
$name = C('TOKEN_NAME');
if(!isset($data[$name]) || !isset($_SESSION[$name])) { // 令牌数据无效
return false;
}
// 令牌验证
list($key,$value) = explode('_',$data[$name]);
if($_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) {
$validate = array(
'require'=> '/.+/',
'email' => '/^\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*$/',
'url' => '/^http:\/\/[A-Za-z0-9]+\.[A-Za-z0-9]+[\/=\?%\-&_~`@[\]\':+!]*([^<>\"\"])*$/',
'currency' => '/^\d+(\.\d+)?$/',
'number' => '/^\d+$/',
'zip' => '/^[1-9]\d{5}$/',
'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,$type) {
// 自动填充
if(!empty($this->_auto)) {
foreach ($this->_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] || $auto[2] == self::MODEL_BOTH) {
switch($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 'string':
default: // 默认作为字符串填充
$data[$auto[0]] = $auto[1];
}
if(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,$type) {
// 属性验证
if(!empty($this->_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
$this->error = array();
}
foreach($this->_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 || $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_VAILIDATE;
$val[4] = isset($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,$val))
return false;
break;
case self::VALUE_VAILIDATE: // 值不为空的时候才验证
if('' != trim($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(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,$val) {
switch($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)$val[6]:array();
array_unshift($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]];
}
if(!empty($data[$this->getPk()])) { // 完善编辑的时候验证唯一
$map[$this->getPk()] = array('neq',$data[$this->getPk()]);
}
if($this->field($this->getPk())->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'){
switch(strtolower($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
$range = is_array($rule)?$rule:explode(',',$rule);
return in_array($value ,$range);
case 'between': // 验证是否在某个范围
list($min,$max) = explode(',',$rule);
return $value>=$min && $value<=$max;
case 'equal': // 验证是否等于某个值
return $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 $_SERVER['REQUEST_TIME'] >= $start && $_SERVER['REQUEST_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);
}
}
/**
+----------------------------------------------------------
* SQL查询
+----------------------------------------------------------
* @access public
+----------------------------------------------------------
* @param mixed $sql SQL指令
* @param boolean $parse 是否需要解析SQL
+----------------------------------------------------------
* @return mixed
+----------------------------------------------------------
*/
public function query($sql,$parse=false) {
$sql = $this->parseSql($sql,$parse);
return $this->db->query($sql);
}
/**
+----------------------------------------------------------
* 执行SQL语句
+----------------------------------------------------------
* @access public
+----------------------------------------------------------
* @param string $sql SQL指令
* @param boolean $parse 是否需要解析SQL
+----------------------------------------------------------
* @return false | integer
+----------------------------------------------------------
*/
public function execute($sql,$parse=false) {
$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,$parse) {
// 分析表达式
if($parse) {
$options = $this->_parseOptions();
$sql = $this->db->parseSql($sql,$options);
}else{
if(strpos($sql,'__TABLE__'))
$sql = str_replace('__TABLE__',$this->getTableName(),$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 array $params 模型参数
+----------------------------------------------------------
* @return Model
+----------------------------------------------------------
*/
public function db($linkNum,$config='',$params=array()){
static $_db = array();
if(!isset($_db[$linkNum])) {
// 创建一个新的实例
if(!empty($config) && is_string($config) && false === strpos($config,'/')) { // 支持读取配置参数
$config = C($config);
}
$_db[$linkNum] = Db::getInstance($config);
}elseif(NULL === $config){
$_db[$linkNum]->close(); // 关闭数据库连接
unset($_db[$linkNum]);
return ;
}
if(!empty($params)) {
if(is_string($params)) parse_str($params,$params);
foreach ($params as $name=>$value){
$this->setProperty($name,$value);
}
}
// 切换数据库连接
$this->db = $_db[$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))
$this->name = substr(get_class($this),0,-5);
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 $this->getLastSql();
}
/**
+----------------------------------------------------------
* 获取主键名称
+----------------------------------------------------------
* @access public
+----------------------------------------------------------
* @return string
+----------------------------------------------------------
*/
public function getPk() {
return isset($this->fields['_pk'])?$this->fields['_pk']:$this->pk;
}
/**
+----------------------------------------------------------
* 获取数据表字段信息
+----------------------------------------------------------
* @access public
+----------------------------------------------------------
* @return array
+----------------------------------------------------------
*/
public function getDbFields(){
if($this->fields) {
$fields = $this->fields;
unset($fields['_autoinc'],$fields['_pk'],$fields['_type']);
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(is_object($data)){
$data = get_object_vars($data);
}elseif(is_string($data)){
parse_str($data,$data);
}elseif(!is_array($data)){
throw_exception(L('_DATA_TYPE_INVALID_'));
}
$this->data = $data;
return $this;
}
/**
+----------------------------------------------------------
* 查询SQL组装 join
+----------------------------------------------------------
* @access public
+----------------------------------------------------------
* @param mixed $join
+----------------------------------------------------------
* @return Model
+----------------------------------------------------------
*/
public function join($join) {
if(is_array($join)) {
$this->options['join'] = $join;
}elseif(!empty($join)) {
$this->options['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) ) {
$options = $union;
}elseif(is_array($union)){
if(isset($union[0])) {
$this->options['union'] = array_merge($this->options['union'],$union);
return $this;
}else{
$options = $union;
}
}else{
throw_exception(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,$expire='',$type=''){
$this->options['cache'] = array('key'=>$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 = $fields?$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;
}
/**
+----------------------------------------------------------
* 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;
}
}
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