www.gusucode.com > WSTMall PHP网店系统 v1.6.0PHP源码程序 > WSTMall PHP网店系统 v1.6.0/wstmall_v1.6.0_160506/wstmall_v1.6.0_160506/ThinkPHP/Library/Think/Db/Driver/Mongo.class.php
<?php
// +----------------------------------------------------------------------
// | TOPThink [ 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\Db\Driver;
use Think\Db;
defined('THINK_PATH') or exit();
/**
* Mongo数据库驱动 必须配合MongoModel使用
*/
class Mongo extends Db{
protected $_mongo = null; // MongoDb Object
protected $_collection = null; // MongoCollection Object
protected $_dbName = ''; // dbName
protected $_collectionName = ''; // collectionName
protected $_cursor = null; // MongoCursor Object
protected $comparison = array('neq'=>'ne','ne'=>'ne','gt'=>'gt','egt'=>'gte','gte'=>'gte','lt'=>'lt','elt'=>'lte','lte'=>'lte','in'=>'in','not in'=>'nin','nin'=>'nin');
/**
* 架构函数 读取数据库配置信息
* @access public
* @param array $config 数据库配置数组
*/
public function __construct($config=''){
if ( !class_exists('mongoClient') ) {
E(L('_NOT_SUPPERT_').':mongoClient');
}
if(!empty($config)) {
$this->config = $config;
if(empty($this->config['params'])) {
$this->config['params'] = array();
}
}
}
/**
* 连接数据库方法
* @access public
*/
public function connect($config='',$linkNum=0) {
if ( !isset($this->linkID[$linkNum]) ) {
if(empty($config)) $config = $this->config;
$host = 'mongodb://'.($config['username']?"{$config['username']}":'').($config['password']?":{$config['password']}@":'').$config['hostname'].($config['hostport']?":{$config['hostport']}":'').'/'.($config['database']?"{$config['database']}":'');
try{
$this->linkID[$linkNum] = new \mongoClient( $host,$config['params']);
}catch (\MongoConnectionException $e){
E($e->getmessage());
}
// 标记连接成功
$this->connected = true;
// 注销数据库连接配置信息
if(1 != C('DB_DEPLOY_TYPE')) unset($this->config);
}
return $this->linkID[$linkNum];
}
/**
* 切换当前操作的Db和Collection
* @access public
* @param string $collection collection
* @param string $db db
* @param boolean $master 是否主服务器
* @return void
*/
public function switchCollection($collection,$db='',$master=true){
// 当前没有连接 则首先进行数据库连接
if ( !$this->_linkID ) $this->initConnect($master);
try{
if(!empty($db)) { // 传人Db则切换数据库
// 当前MongoDb对象
$this->_dbName = $db;
$this->_mongo = $this->_linkID->selectDb($db);
}
// 当前MongoCollection对象
if(C('DB_SQL_LOG')) {
$this->queryStr = $this->_dbName.'.getCollection('.$collection.')';
}
if($this->_collectionName != $collection) {
N('db_read',1);
// 记录开始执行时间
G('queryStartTime');
$this->_collection = $this->_mongo->selectCollection($collection);
$this->debug();
$this->_collectionName = $collection; // 记录当前Collection名称
}
}catch (\MongoException $e){
E($e->getMessage());
}
}
/**
* 释放查询结果
* @access public
*/
public function free() {
$this->_cursor = null;
}
/**
* 执行命令
* @access public
* @param array $command 指令
* @return array
*/
public function command($command=array()) {
N('db_write',1);
$this->queryStr = 'command:'.json_encode($command);
// 记录开始执行时间
G('queryStartTime');
$result = $this->_mongo->command($command);
$this->debug();
if(!$result['ok']) {
E($result['errmsg']);
}
return $result;
}
/**
* 执行语句
* @access public
* @param string $code sql指令
* @param array $args 参数
* @return mixed
*/
public function execute($code,$args=array()) {
N('db_write',1);
$this->queryStr = 'execute:'.$code;
// 记录开始执行时间
G('queryStartTime');
$result = $this->_mongo->execute($code,$args);
$this->debug();
if($result['ok']) {
return $result['retval'];
}else{
E($result['errmsg']);
}
}
/**
* 关闭数据库
* @access public
*/
public function close() {
if($this->_linkID) {
$this->_linkID->close();
$this->_linkID = null;
$this->_mongo = null;
$this->_collection = null;
$this->_cursor = null;
}
}
/**
* 数据库错误信息
* @access public
* @return string
*/
public function error() {
$this->error = $this->_mongo->lastError();
trace($this->error,'','ERR');
return $this->error;
}
/**
* 插入记录
* @access public
* @param mixed $data 数据
* @param array $options 参数表达式
* @param boolean $replace 是否replace
* @return false | integer
*/
public function insert($data,$options=array(),$replace=false) {
if(isset($options['table'])) {
$this->switchCollection($options['table']);
}
$this->model = $options['model'];
N('db_write',1);
if(C('DB_SQL_LOG')) {
$this->queryStr = $this->_dbName.'.'.$this->_collectionName.'.insert(';
$this->queryStr .= $data?json_encode($data):'{}';
$this->queryStr .= ')';
}
try{
// 记录开始执行时间
G('queryStartTime');
$result = $replace? $this->_collection->save($data): $this->_collection->insert($data);
$this->debug();
if($result) {
$_id = $data['_id'];
if(is_object($_id)) {
$_id = $_id->__toString();
}
$this->lastInsID = $_id;
}
return $result;
} catch (\MongoCursorException $e) {
E($e->getMessage());
}
}
/**
* 插入多条记录
* @access public
* @param array $dataList 数据
* @param array $options 参数表达式
* @return bool
*/
public function insertAll($dataList,$options=array()) {
if(isset($options['table'])) {
$this->switchCollection($options['table']);
}
$this->model = $options['model'];
N('db_write',1);
try{
// 记录开始执行时间
G('queryStartTime');
$result = $this->_collection->batchInsert($dataList);
$this->debug();
return $result;
} catch (\MongoCursorException $e) {
E($e->getMessage());
}
}
/**
* 生成下一条记录ID 用于自增非MongoId主键
* @access public
* @param string $pk 主键名
* @return integer
*/
public function mongo_next_id($pk) {
N('db_read',1);
if(C('DB_SQL_LOG')) {
$this->queryStr = $this->_dbName.'.'.$this->_collectionName.'.find({},{'.$pk.':1}).sort({'.$pk.':-1}).limit(1)';
}
try{
// 记录开始执行时间
G('queryStartTime');
$result = $this->_collection->find(array(),array($pk=>1))->sort(array($pk=>-1))->limit(1);
$this->debug();
} catch (\MongoCursorException $e) {
E($e->getMessage());
}
$data = $result->getNext();
return isset($data[$pk])?$data[$pk]+1:1;
}
/**
* 更新记录
* @access public
* @param mixed $data 数据
* @param array $options 表达式
* @return bool
*/
public function update($data,$options) {
if(isset($options['table'])) {
$this->switchCollection($options['table']);
}
$this->model = $options['model'];
N('db_write',1);
$query = $this->parseWhere($options['where']);
$set = $this->parseSet($data);
if(C('DB_SQL_LOG')) {
$this->queryStr = $this->_dbName.'.'.$this->_collectionName.'.update(';
$this->queryStr .= $query?json_encode($query):'{}';
$this->queryStr .= ','.json_encode($set).')';
}
try{
// 记录开始执行时间
G('queryStartTime');
if(isset($options['limit']) && $options['limit'] == 1) {
$multiple = array("multiple" => false);
}else{
$multiple = array("multiple" => true);
}
$result = $this->_collection->update($query,$set,$multiple);
$this->debug();
return $result;
} catch (\MongoCursorException $e) {
E($e->getMessage());
}
}
/**
* 删除记录
* @access public
* @param array $options 表达式
* @return false | integer
*/
public function delete($options=array()) {
if(isset($options['table'])) {
$this->switchCollection($options['table']);
}
$query = $this->parseWhere($options['where']);
$this->model = $options['model'];
N('db_write',1);
if(C('DB_SQL_LOG')) {
$this->queryStr = $this->_dbName.'.'.$this->_collectionName.'.remove('.json_encode($query).')';
}
try{
// 记录开始执行时间
G('queryStartTime');
$result = $this->_collection->remove($query);
$this->debug();
return $result;
} catch (\MongoCursorException $e) {
E($e->getMessage());
}
}
/**
* 清空记录
* @access public
* @param array $options 表达式
* @return false | integer
*/
public function clear($options=array()){
if(isset($options['table'])) {
$this->switchCollection($options['table']);
}
$this->model = $options['model'];
N('db_write',1);
if(C('DB_SQL_LOG')) {
$this->queryStr = $this->_dbName.'.'.$this->_collectionName.'.remove({})';
}
try{
// 记录开始执行时间
G('queryStartTime');
$result = $this->_collection->drop();
$this->debug();
return $result;
} catch (\MongoCursorException $e) {
E($e->getMessage());
}
}
/**
* 查找记录
* @access public
* @param array $options 表达式
* @return iterator
*/
public function select($options=array()) {
if(isset($options['table'])) {
$this->switchCollection($options['table'],'',false);
}
$cache = isset($options['cache'])?$options['cache']:false;
if($cache) { // 查询缓存检测
$key = is_string($cache['key'])?$cache['key']:md5(serialize($options));
$value = S($key,'','',$cache['type']);
if(false !== $value) {
return $value;
}
}
$this->model = $options['model'];
N('db_query',1);
$query = $this->parseWhere($options['where']);
$field = $this->parseField($options['field']);
try{
if(C('DB_SQL_LOG')) {
$this->queryStr = $this->_dbName.'.'.$this->_collectionName.'.find(';
$this->queryStr .= $query? json_encode($query):'{}';
$this->queryStr .= $field? ','.json_encode($field):'';
$this->queryStr .= ')';
}
// 记录开始执行时间
G('queryStartTime');
$_cursor = $this->_collection->find($query,$field);
if($options['order']) {
$order = $this->parseOrder($options['order']);
if(C('DB_SQL_LOG')) {
$this->queryStr .= '.sort('.json_encode($order).')';
}
$_cursor = $_cursor->sort($order);
}
if(isset($options['page'])) { // 根据页数计算limit
if(strpos($options['page'],',')) {
list($page,$length) = explode(',',$options['page']);
}else{
$page = $options['page'];
}
$page = $page?$page:1;
$length = isset($length)?$length:(is_numeric($options['limit'])?$options['limit']:20);
$offset = $length*((int)$page-1);
$options['limit'] = $offset.','.$length;
}
if(isset($options['limit'])) {
list($offset,$length) = $this->parseLimit($options['limit']);
if(!empty($offset)) {
if(C('DB_SQL_LOG')) {
$this->queryStr .= '.skip('.intval($offset).')';
}
$_cursor = $_cursor->skip(intval($offset));
}
if(C('DB_SQL_LOG')) {
$this->queryStr .= '.limit('.intval($length).')';
}
$_cursor = $_cursor->limit(intval($length));
}
$this->debug();
$this->_cursor = $_cursor;
$resultSet = iterator_to_array($_cursor);
if($cache && $resultSet ) { // 查询缓存写入
S($key,$resultSet,$cache['expire'],$cache['type']);
}
return $resultSet;
} catch (\MongoCursorException $e) {
E($e->getMessage());
}
}
/**
* 查找某个记录
* @access public
* @param array $options 表达式
* @return array
*/
public function find($options=array()){
if(isset($options['table'])) {
$this->switchCollection($options['table'],'',false);
}
$cache = isset($options['cache'])?$options['cache']:false;
if($cache) { // 查询缓存检测
$key = is_string($cache['key'])?$cache['key']:md5(serialize($options));
$value = S($key,'','',$cache['type']);
if(false !== $value) {
return $value;
}
}
$this->model = $options['model'];
N('db_query',1);
$query = $this->parseWhere($options['where']);
$fields = $this->parseField($options['field']);
if(C('DB_SQL_LOG')) {
$this->queryStr = $this->_dbName.'.'.$this->_collectionName.'.findOne(';
$this->queryStr .= $query?json_encode($query):'{}';
$this->queryStr .= $fields?','.json_encode($fields):'';
$this->queryStr .= ')';
}
try{
// 记录开始执行时间
G('queryStartTime');
$result = $this->_collection->findOne($query,$fields);
$this->debug();
if($cache && $result ) { // 查询缓存写入
S($key,$result,$cache['expire'],$cache['type']);
}
return $result;
} catch (\MongoCursorException $e) {
E($e->getMessage());
}
}
/**
* 统计记录数
* @access public
* @param array $options 表达式
* @return iterator
*/
public function count($options=array()){
if(isset($options['table'])) {
$this->switchCollection($options['table'],'',false);
}
$this->model = $options['model'];
N('db_query',1);
$query = $this->parseWhere($options['where']);
if(C('DB_SQL_LOG')) {
$this->queryStr = $this->_dbName.'.'.$this->_collectionName;
$this->queryStr .= $query?'.find('.json_encode($query).')':'';
$this->queryStr .= '.count()';
}
try{
// 记录开始执行时间
G('queryStartTime');
$count = $this->_collection->count($query);
$this->debug();
return $count;
} catch (\MongoCursorException $e) {
E($e->getMessage());
}
}
public function group($keys,$initial,$reduce,$options=array()){
$this->_collection->group($keys,$initial,$reduce,$options);
}
/**
* 取得数据表的字段信息
* @access public
* @return array
*/
public function getFields($collection=''){
if(!empty($collection) && $collection != $this->_collectionName) {
$this->switchCollection($collection,'',false);
}
N('db_query',1);
if(C('DB_SQL_LOG')) {
$this->queryStr = $this->_dbName.'.'.$this->_collectionName.'.findOne()';
}
try{
// 记录开始执行时间
G('queryStartTime');
$result = $this->_collection->findOne();
$this->debug();
} catch (\MongoCursorException $e) {
E($e->getMessage());
}
if($result) { // 存在数据则分析字段
$info = array();
foreach ($result as $key=>$val){
$info[$key] = array(
'name'=>$key,
'type'=>getType($val),
);
}
return $info;
}
// 暂时没有数据 返回false
return false;
}
/**
* 取得当前数据库的collection信息
* @access public
*/
public function getTables(){
if(C('DB_SQL_LOG')) {
$this->queryStr = $this->_dbName.'.getCollenctionNames()';
}
N('db_query',1);
// 记录开始执行时间
G('queryStartTime');
$list = $this->_mongo->listCollections();
$this->debug();
$info = array();
foreach ($list as $collection){
$info[] = $collection->getName();
}
return $info;
}
/**
* set分析
* @access protected
* @param array $data
* @return string
*/
protected function parseSet($data) {
$result = array();
foreach ($data as $key=>$val){
if(is_array($val)) {
switch($val[0]) {
case 'inc':
$result['$inc'][$key] = (int)$val[1];
break;
case 'set':
case 'unset':
case 'push':
case 'pushall':
case 'addtoset':
case 'pop':
case 'pull':
case 'pullall':
$result['$'.$val[0]][$key] = $val[1];
break;
default:
$result['$set'][$key] = $val;
}
}else{
$result['$set'][$key] = $val;
}
}
return $result;
}
/**
* order分析
* @access protected
* @param mixed $order
* @return array
*/
protected function parseOrder($order) {
if(is_string($order)) {
$array = explode(',',$order);
$order = array();
foreach ($array as $key=>$val){
$arr = explode(' ',trim($val));
if(isset($arr[1])) {
$arr[1] = $arr[1]=='asc'?1:-1;
}else{
$arr[1] = 1;
}
$order[$arr[0]] = $arr[1];
}
}
return $order;
}
/**
* limit分析
* @access protected
* @param mixed $limit
* @return array
*/
protected function parseLimit($limit) {
if(strpos($limit,',')) {
$array = explode(',',$limit);
}else{
$array = array(0,$limit);
}
return $array;
}
/**
* field分析
* @access protected
* @param mixed $fields
* @return array
*/
public function parseField($fields){
if(empty($fields)) {
$fields = array();
}
if(is_string($fields)) {
$fields = explode(',',$fields);
}
return $fields;
}
/**
* where分析
* @access protected
* @param mixed $where
* @return array
*/
public function parseWhere($where){
$query = array();
foreach ($where as $key=>$val){
if('_id' != $key && 0===strpos($key,'_')) {
// 解析特殊条件表达式
$query = $this->parseThinkWhere($key,$val);
}else{
// 查询字段的安全过滤
if(!preg_match('/^[A-Z_\|\&\-.a-z0-9]+$/',trim($key))){
E(L('_ERROR_QUERY_').':'.$key);
}
$key = trim($key);
if(strpos($key,'|')) {
$array = explode('|',$key);
$str = array();
foreach ($array as $k){
$str[] = $this->parseWhereItem($k,$val);
}
$query['$or'] = $str;
}elseif(strpos($key,'&')){
$array = explode('&',$key);
$str = array();
foreach ($array as $k){
$str[] = $this->parseWhereItem($k,$val);
}
$query = array_merge($query,$str);
}else{
$str = $this->parseWhereItem($key,$val);
$query = array_merge($query,$str);
}
}
}
return $query;
}
/**
* 特殊条件分析
* @access protected
* @param string $key
* @param mixed $val
* @return string
*/
protected function parseThinkWhere($key,$val) {
$query = array();
switch($key) {
case '_query': // 字符串模式查询条件
parse_str($val,$query);
if(isset($query['_logic']) && strtolower($query['_logic']) == 'or' ) {
unset($query['_logic']);
$query['$or'] = $query;
}
break;
case '_string':// MongoCode查询
$query['$where'] = new \MongoCode($val);
break;
}
return $query;
}
/**
* where子单元分析
* @access protected
* @param string $key
* @param mixed $val
* @return array
*/
protected function parseWhereItem($key,$val) {
$query = array();
if(is_array($val)) {
if(is_string($val[0])) {
$con = strtolower($val[0]);
if(in_array($con,array('neq','ne','gt','egt','gte','lt','lte','elt'))) { // 比较运算
$k = '$'.$this->comparison[$con];
$query[$key] = array($k=>$val[1]);
}elseif('like'== $con){ // 模糊查询 采用正则方式
$query[$key] = new \MongoRegex("/".$val[1]."/");
}elseif('mod'==$con){ // mod 查询
$query[$key] = array('$mod'=>$val[1]);
}elseif('regex'==$con){ // 正则查询
$query[$key] = new \MongoRegex($val[1]);
}elseif(in_array($con,array('in','nin','not in'))){ // IN NIN 运算
$data = is_string($val[1])? explode(',',$val[1]):$val[1];
$k = '$'.$this->comparison[$con];
$query[$key] = array($k=>$data);
}elseif('all'==$con){ // 满足所有指定条件
$data = is_string($val[1])? explode(',',$val[1]):$val[1];
$query[$key] = array('$all'=>$data);
}elseif('between'==$con){ // BETWEEN运算
$data = is_string($val[1])? explode(',',$val[1]):$val[1];
$query[$key] = array('$gte'=>$data[0],'$lte'=>$data[1]);
}elseif('not between'==$con){
$data = is_string($val[1])? explode(',',$val[1]):$val[1];
$query[$key] = array('$lt'=>$data[0],'$gt'=>$data[1]);
}elseif('exp'==$con){ // 表达式查询
$query['$where'] = new \MongoCode($val[1]);
}elseif('exists'==$con){ // 字段是否存在
$query[$key] =array('$exists'=>(bool)$val[1]);
}elseif('size'==$con){ // 限制属性大小
$query[$key] =array('$size'=>intval($val[1]));
}elseif('type'==$con){ // 限制字段类型 1 浮点型 2 字符型 3 对象或者MongoDBRef 5 MongoBinData 7 MongoId 8 布尔型 9 MongoDate 10 NULL 15 MongoCode 16 32位整型 17 MongoTimestamp 18 MongoInt64 如果是数组的话判断元素的类型
$query[$key] =array('$type'=>intval($val[1]));
}else{
$query[$key] = $val;
}
return $query;
}
}
$query[$key] = $val;
return $query;
}
}