php實現的mongodb操作類
阿新 • • 發佈：2018-12-24
說到php連mongoDB，不得不先介紹一下php的官方手冊，網址在：http://us.php.net/manual/en/book.mongo.php，接下來給大家分享一個本人常用的MONGODB的操作類，詳見的資料庫操作都有了，小夥伴可以參考下。
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
$table = NULL;
/**
* 初始化類，得到mongo的例項物件
*/
public
function__construct($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;
$this->mongo =
newMongoClient($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;
//}
/**
* 插入一條資料
* @param array $doc
*/
public
function insert($doc
= array())
{
if
(empty($doc)) {
$this->throwError('插入的資料不能為空！');
}
//儲存資料資訊
try
{
if
(!$this->db->insert($doc)) {
throw
new MongoException('插入資料失敗');
}
}
catch (MongoException
$e) {
$this->throwError($e->getMessage());
}
}
/**
* 插入多條資料資訊
* @param array $doc
*/
public
function insertMulti($doc
= array())
{
if
(empty($doc)) {
$this->throwError('插入的資料不能為空！');
}
//插入資料資訊
foreach
($doc
as $key =>
$val) {
//判斷$val是不是陣列
if
(is_array($val)) {
$this->insert($val);
}
}
}
/**
* 查詢一條記錄
* @return array|null
*/
public
function findOne($where
= NULL)
{
if
(NULL === $where) {
try
{
if
($result
= $this->db->findOne()) {
return
$result;
}
else {
throw
new MongoException('查詢資料失敗');
}
}
catch (MongoException
$e) {
$this->throwError($e->getMessage());
}
}
else {
try
{
if
($result
= $this->db->findOne($where)) {
return
$result;
}
else {
throw
new MongoException('查詢資料失敗');
}
}
catch (MongoException
$e) {
$this->throwError($e->getMessage());
}
}
}
/**
* todo 帶條件的隨後做
* 查詢所有的文件
* @return MongoCursor
*/
public
function find($where
= NULL)
{
if
(NULL === $where) {
try
{
if
($result
= $this->db->find()) {
}
else {
throw
new MongoException('查詢資料失敗');
}
}
catch (MongoException
$e) {
$this->throwError($e->getMessage());
}
}
else {
try
{
if
($result
= $this->db->find($where)) {
}
else {
throw
new MongoException('查詢資料失敗');
}
}
catch (MongoException
$e) {
$this->throwError($e->getMessage());
}
}
$arr
= array();
foreach
($result
as $id =>
$val) {
$arr[] =
$val;
}
return
$arr;
}
/**
* 獲取記錄條數
* @return int
*/
public
function getCount()
{
try
{
if
($count
= $this->db->count()) {
return
$count;
}
else {
throw
new MongoException('查詢總數失敗');
}
}
catch (MongoException
$e) {
$this->throwError($e->getMessage());
}
}
/**
* 獲取所有的資料庫
* @return array
*/
public
function getDbs()
{
return
$this->mongo->listDBs();
}
/**
* 刪除資料庫
* @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('請輸入要刪除的資料庫名稱');
}
/**
* 強制關閉資料庫的連結
*/
public
function closeDb()
{
$this->mongo->close(TRUE);
}
/**
* 輸出錯誤資訊
* @param $errorInfo 錯誤內容
*/
public
function throwError($errorInfo='')
{
echo
"<h3>出錯了：$errorInfo</h3>";
die();
}
}
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來源:http://www.jb51.net/article/66882.htm