mirror of
https://e.coding.net/circlecloud/MinecraftAccount.git
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422 lines
13 KiB
PHP
422 lines
13 KiB
PHP
<?php
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// +----------------------------------------------------------------------
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// | ThinkPHP [ WE CAN DO IT JUST THINK ]
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// +----------------------------------------------------------------------
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// | Copyright (c) 2010 http://topthink.com All rights reserved.
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// +----------------------------------------------------------------------
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// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
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// +----------------------------------------------------------------------
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// | Author: liu21st <liu21st@gmail.com>
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// +----------------------------------------------------------------------
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namespace Think\Model;
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use Think\Model;
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/**
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* MongoModel模型类
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* 实现了ODM和ActiveRecords模式
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*/
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class MongoModel extends Model{
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// 主键类型
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const TYPE_OBJECT = 1;
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const TYPE_INT = 2;
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const TYPE_STRING = 3;
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// 主键名称
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protected $pk = '_id';
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// _id 类型 1 Object 采用MongoId对象 2 Int 整形 支持自动增长 3 String 字符串Hash
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protected $_idType = self::TYPE_OBJECT;
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// 主键是否自增
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protected $_autoinc = true;
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// Mongo默认关闭字段检测 可以动态追加字段
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protected $autoCheckFields = false;
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// 链操作方法列表
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protected $methods = array('table','order','auto','filter','validate');
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/**
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* 利用__call方法实现一些特殊的Model方法
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* @access public
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* @param string $method 方法名称
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* @param array $args 调用参数
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* @return mixed
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*/
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public function __call($method,$args) {
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if(in_array(strtolower($method),$this->methods,true)) {
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// 连贯操作的实现
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$this->options[strtolower($method)] = $args[0];
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return $this;
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}elseif(strtolower(substr($method,0,5))=='getby') {
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// 根据某个字段获取记录
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$field = parse_name(substr($method,5));
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$where[$field] =$args[0];
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return $this->where($where)->find();
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}elseif(strtolower(substr($method,0,10))=='getfieldby') {
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// 根据某个字段获取记录的某个值
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$name = parse_name(substr($method,10));
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$where[$name] =$args[0];
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return $this->where($where)->getField($args[1]);
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}else{
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E(__CLASS__.':'.$method.L('_METHOD_NOT_EXIST_'));
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return;
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}
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}
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/**
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* 获取字段信息并缓存 主键和自增信息直接配置
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* @access public
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* @return void
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*/
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public function flush() {
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// 缓存不存在则查询数据表信息
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$fields = $this->db->getFields();
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if(!$fields) { // 暂时没有数据无法获取字段信息 下次查询
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return false;
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}
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$this->fields = array_keys($fields);
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foreach ($fields as $key=>$val){
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// 记录字段类型
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$type[$key] = $val['type'];
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}
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// 记录字段类型信息
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if(C('DB_FIELDTYPE_CHECK')) $this->fields['_type'] = $type;
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// 2008-3-7 增加缓存开关控制
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if(C('DB_FIELDS_CACHE')){
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// 永久缓存数据表信息
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$db = $this->dbName?$this->dbName:C('DB_NAME');
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F('_fields/'.$db.'.'.$this->name,$this->fields);
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}
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}
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// 写入数据前的回调方法 包括新增和更新
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protected function _before_write(&$data) {
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$pk = $this->getPk();
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// 根据主键类型处理主键数据
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if(isset($data[$pk]) && $this->_idType == self::TYPE_OBJECT) {
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$data[$pk] = new \MongoId($data[$pk]);
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}
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}
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/**
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* count统计 配合where连贯操作
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* @access public
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* @return integer
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*/
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public function count(){
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// 分析表达式
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$options = $this->_parseOptions();
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return $this->db->count($options);
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}
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/**
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* 获取唯一值
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* @access public
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* @return array | false
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*/
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public function distinct($field, $where=array() ){
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// 分析表达式
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$this->options = $this->_parseOptions();
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$this->options['where'] = array_merge((array)$this->options['where'], $where);
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$command = array(
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"distinct" => $this->options['table'],
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"key" => $field,
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"query" => $this->options['where']
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);
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$result = $this->command($command);
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return isset($result['values']) ? $result['values'] : false;
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}
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/**
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* 获取下一ID 用于自动增长型
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* @access public
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* @param string $pk 字段名 默认为主键
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* @return mixed
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*/
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public function getMongoNextId($pk=''){
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if(empty($pk)) {
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$pk = $this->getPk();
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}
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return $this->db->getMongoNextId($pk);
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}
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/**
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* 新增数据
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* @access public
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* @param mixed $data 数据
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* @param array $options 表达式
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* @param boolean $replace 是否replace
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* @return mixed
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*/
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public function add($data='',$options=array(),$replace=false) {
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if(empty($data)) {
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// 没有传递数据，获取当前数据对象的值
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if(!empty($this->data)) {
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$data = $this->data;
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// 重置数据
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$this->data = array();
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}else{
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$this->error = L('_DATA_TYPE_INVALID_');
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return false;
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}
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}
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// 分析表达式
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$options = $this->_parseOptions($options);
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// 数据处理
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$data = $this->_facade($data);
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if(false === $this->_before_insert($data,$options)) {
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return false;
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}
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// 写入数据到数据库
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$result = $this->db->insert($data,$options,$replace);
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if(false !== $result ) {
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$this->_after_insert($data,$options);
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if(isset($data[$this->getPk()])){
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return $data[$this->getPk()];
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}
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}
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return $result;
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}
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// 插入数据前的回调方法
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protected function _before_insert(&$data,$options) {
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// 写入数据到数据库
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if($this->_autoinc && $this->_idType== self::TYPE_INT) { // 主键自动增长
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$pk = $this->getPk();
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if(!isset($data[$pk])) {
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$data[$pk] = $this->db->getMongoNextId($pk);
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}
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}
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}
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public function clear(){
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return $this->db->clear();
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}
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// 查询成功后的回调方法
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protected function _after_select(&$resultSet,$options) {
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array_walk($resultSet,array($this,'checkMongoId'));
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}
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/**
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* 获取MongoId
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* @access protected
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* @param array $result 返回数据
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* @return array
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*/
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protected function checkMongoId(&$result){
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if(is_object($result['_id'])) {
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$result['_id'] = $result['_id']->__toString();
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}
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return $result;
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}
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// 表达式过滤回调方法
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protected function _options_filter(&$options) {
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$id = $this->getPk();
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if(isset($options['where'][$id]) && is_scalar($options['where'][$id]) && $this->_idType== self::TYPE_OBJECT) {
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$options['where'][$id] = new \MongoId($options['where'][$id]);
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}
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}
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/**
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* 查询数据
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* @access public
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* @param mixed $options 表达式参数
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* @return mixed
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*/
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public function find($options=array()) {
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if( is_numeric($options) || is_string($options)) {
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$id = $this->getPk();
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$where[$id] = $options;
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$options = array();
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$options['where'] = $where;
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}
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// 分析表达式
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$options = $this->_parseOptions($options);
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$result = $this->db->find($options);
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if(false === $result) {
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return false;
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}
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if(empty($result)) {// 查询结果为空
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return null;
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}else{
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$this->checkMongoId($result);
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}
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$this->data = $result;
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$this->_after_find($this->data,$options);
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return $this->data;
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}
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/**
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* 字段值增长
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* @access public
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* @param string $field 字段名
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* @param integer $step 增长值
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* @return boolean
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*/
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public function setInc($field,$step=1) {
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return $this->setField($field,array('inc',$step));
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}
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/**
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* 字段值减少
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* @access public
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* @param string $field 字段名
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* @param integer $step 减少值
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* @return boolean
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*/
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public function setDec($field,$step=1) {
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return $this->setField($field,array('inc','-'.$step));
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}
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/**
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* 获取一条记录的某个字段值
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* @access public
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* @param string $field 字段名
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* @param string $spea 字段数据间隔符号
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* @return mixed
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*/
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public function getField($field,$sepa=null) {
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$options['field'] = $field;
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$options = $this->_parseOptions($options);
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if(strpos($field,',')) { // 多字段
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if(is_numeric($sepa)) {// 限定数量
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$options['limit'] = $sepa;
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$sepa = null;// 重置为null 返回数组
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}
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$resultSet = $this->db->select($options);
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if(!empty($resultSet)) {
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$_field = explode(',', $field);
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$field = array_keys($resultSet[0]);
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$key = array_shift($field);
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$key2 = array_shift($field);
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$cols = array();
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$count = count($_field);
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foreach ($resultSet as $result){
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$name = $result[$key];
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if(2==$count) {
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$cols[$name] = $result[$key2];
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}else{
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$cols[$name] = is_null($sepa)?$result:implode($sepa,$result);
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}
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}
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return $cols;
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}
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}else{
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// 返回数据个数
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if(true !== $sepa) {// 当sepa指定为true的时候 返回所有数据
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$options['limit'] = is_numeric($sepa)?$sepa:1;
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} // 查找符合的记录
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$result = $this->db->select($options);
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if(!empty($result)) {
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if(1==$options['limit']) {
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$result = reset($result);
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return $result[$field];
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}
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foreach ($result as $val){
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$array[] = $val[$field];
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}
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return $array;
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}
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}
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return null;
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}
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/**
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* 执行Mongo指令
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* @access public
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* @param array $command 指令
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* @return mixed
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*/
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public function command($command, $options=array()) {
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$options = $this->_parseOptions($options);
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return $this->db->command($command, $options);
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}
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/**
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* 执行MongoCode
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* @access public
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* @param string $code MongoCode
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* @param array $args 参数
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* @return mixed
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*/
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public function mongoCode($code,$args=array()) {
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return $this->db->execute($code,$args);
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}
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// 数据库切换后回调方法
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protected function _after_db() {
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// 切换Collection
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$this->db->switchCollection($this->getTableName(),$this->dbName?$this->dbName:C('db_name'));
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}
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/**
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* 得到完整的数据表名 Mongo表名不带dbName
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* @access public
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* @return string
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*/
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public function getTableName() {
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if(empty($this->trueTableName)) {
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$tableName = !empty($this->tablePrefix) ? $this->tablePrefix : '';
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if(!empty($this->tableName)) {
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$tableName .= $this->tableName;
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}else{
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$tableName .= parse_name($this->name);
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}
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$this->trueTableName = strtolower($tableName);
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}
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return $this->trueTableName;
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}
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/**
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* 分组查询
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* @access public
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* @return string
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*/
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public function group($key, $init, $reduce, $option=array()) {
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$option = $this->_parseOptions($option);
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//合并查询条件
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if(isset($option['where']))
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$option['condition'] = array_merge((array)$option['condition'], $option['where']);
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return $this->db->group($key, $init, $reduce, $option);
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}
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/**
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* 返回Mongo运行错误信息
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* @access public
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* @return json
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*/
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public function getLastError(){
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return $this->db->command(array('getLastError'=>1));
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}
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/**
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* 返回指定集合的统计信息，包括数据大小、已分配的存储空间和索引的大小
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* @access public
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* @return json
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*/
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public function status(){
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$option = $this->_parseOptions();
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return $this->db->command(array('collStats'=>$option['table']));
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}
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/**
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* 取得当前数据库的对象
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* @access public
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* @return object
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*/
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public function getDB(){
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return $this->db->getDB();
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}
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/**
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* 取得集合对象，可以进行创建索引等查询
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* @access public
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* @return object
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*/
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public function getCollection(){
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return $this->db->getCollection();
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}
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} |