說到php連mongoDB，不得不先介紹一下php的官方手冊(cè)，網(wǎng)址在：http://us.php.net/manual/en/book.mongo.php，接下來給大家分享一個(gè)本人常用的MONGODB的操作類，詳見的數(shù)據(jù)庫(kù)操作都有了，小伙伴可以參考下。

mongo_db.php

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<?php ?? /** ?* Created by PhpStorm. ?* User: yangyulong ?* Date: 2015/5/26 ?* Time: 13:45 ?*/ class Mongo_db { ??private static $instanceof = NULL; ??public $mongo; ??private $host = 'localhost'; ??private $port = '27017'; ?? ??private $db; ??public $dbname; ??private $table = NULL; ?? ??/** ???* 初始化類，得到mongo的實(shí)例對(duì)象 ???*/ ??public function __construct($host = NULL, $port = NULL, $dbname = NULL, $table = NULL) ??{ ?? ????if (NULL === $dbname) { ??????$this->throwError('集合不能為空！'); ????} ?? ????//判斷是否傳遞了host和port ????if (NULL !== $host) { ??????$this->host = $host; ????} ?? ????if (NULL !== $port) { ??????$this->port = $port; ????} ?? ????$this->table = $table; ?? ????$this->mongo = new MongoClient($this->host . ':' . $this->port); ????if ($this->getVersion() >= '0.9.0') { ??????$this->dbname = $this->mongo->selectDB($dbname); ??????$this->db = $this->dbname->selectCollection($table); ????} else { ??????$this->db = $this->mongo->$dbname->$table; ????} ??} ?? ??public function getVersion() ??{ ????return MongoClient::VERSION; ??} ?? ??/** ???* 單例模式 ???* @return Mongo|null ???*/ ??//public static function getInstance($host=null, $port=null, $dbname=null, $table=null){ ??// ??//? if(!(self::$instanceof instanceof self)){ ??//??? self::$instanceof = new self($host, $port, $dbname, $table); ??//? } ??// ??//? return self::$instanceof; ??//} ?? ??/** ???* 插入一條數(shù)據(jù) ???* @param array $doc ???*/ ??public function insert($doc = array()) ??{ ????if (empty($doc)) { ??????$this->throwError('插入的數(shù)據(jù)不能為空！'); ????} ????//保存數(shù)據(jù)信息 ????try { ??????if (!$this->db->insert($doc)) { ????????throw new MongoException('插入數(shù)據(jù)失敗'); ??????} ????} catch (MongoException $e) { ??????$this->throwError($e->getMessage()); ????} ??} ?? ??/** ???* 插入多條數(shù)據(jù)信息 ???* @param array $doc ???*/ ??public function insertMulti($doc = array()) ??{ ????if (empty($doc)) { ??????$this->throwError('插入的數(shù)據(jù)不能為空！'); ????} ????//插入數(shù)據(jù)信息 ????foreach ($doc as $key => $val) { ??????//判斷$val是不是數(shù)組 ??????if (is_array($val)) { ????????$this->insert($val); ??????} ????} ??} ?? ??/** ???* 查找一條記錄 ???* @return array|null ???*/ ??public function findOne($where = NULL) ??{ ????if (NULL === $where) { ??????try { ????????if ($result = $this->db->findOne()) { ??????????return $result; ????????} else { ??????????throw new MongoException('查找數(shù)據(jù)失敗'); ????????} ??????} catch (MongoException $e) { ????????$this->throwError($e->getMessage()); ??????} ????} else { ??????try { ????????if ($result = $this->db->findOne($where)) { ??????????return $result; ????????} else { ??????????throw new MongoException('查找數(shù)據(jù)失敗'); ????????} ??????} catch (MongoException $e) { ????????$this->throwError($e->getMessage()); ??????} ????} ?? ??} ?? ??/** ???* todo 帶條件的隨后做 ???* 查找所有的文檔 ???* @return MongoCursor ???*/ ??public function find($where = NULL) ??{ ????if (NULL === $where) { ?? ??????try { ????????if ($result = $this->db->find()) { ?? ????????} else { ??????????throw new MongoException('查找數(shù)據(jù)失敗'); ????????} ??????} catch (MongoException $e) { ????????$this->throwError($e->getMessage()); ??????} ????} else { ??????try { ????????if ($result = $this->db->find($where)) { ?? ????????} else { ??????????throw new MongoException('查找數(shù)據(jù)失敗'); ????????} ??????} catch (MongoException $e) { ????????$this->throwError($e->getMessage()); ??????} ????} ?? ????$arr = array(); ????foreach ($result as $id => $val) { ??????$arr[] = $val; ????} ?? ????return $arr; ??} ?? ??/** ???* 獲取記錄條數(shù) ???* @return int ???*/ ??public function getCount() ??{ ????try { ??????if ($count = $this->db->count()) { ????????return $count; ??????} else { ????????throw new MongoException('查找總數(shù)失敗'); ??????} ????} catch (MongoException $e) { ??????$this->throwError($e->getMessage()); ????} ??} ?? ??/** ???* 獲取所有的數(shù)據(jù)庫(kù) ???* @return array ???*/ ??public function getDbs() ??{ ????return $this->mongo->listDBs(); ??} ?? ??/** ???* 刪除數(shù)據(jù)庫(kù) ???* @param null $dbname ???* @return mixed ???*/ ??public function dropDb($dbname = NULL) ??{ ????if (NULL !== $dbname) { ??????$retult = $this->mongo->dropDB($dbname); ??????if ($retult['ok']) { ????????return TRUE; ??????} else { ????????return FALSE; ??????} ????} ????$this->throwError('請(qǐng)輸入要?jiǎng)h除的數(shù)據(jù)庫(kù)名稱'); ??} ?? ??/** ???* 強(qiáng)制關(guān)閉數(shù)據(jù)庫(kù)的鏈接 ???*/ ??public function closeDb() ??{ ????$this->mongo->close(TRUE); ??} ?? ??/** ???* 輸出錯(cuò)誤信息 ???* @param $errorInfo 錯(cuò)誤內(nèi)容 ???*/ ??public function throwError($errorInfo='') ??{ ????echo "<h3>出錯(cuò)了：$errorInfo</h3>"; ????die(); ??} ?? }

來源:http://www.jb51.net/article/66882.htm

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