- $conn = new Mongo();
- //可以简写为
- //$conn=new Mongo(); #连接本地主机,默认端口.
- //$conn=new Mongo(“172.21.15.69″); #连接远程主机
- //$conn=new Mongo(“xiaocai.loc:10086″); #连接指定端口远程主机
- //$conn=new Mongo(“xiaocai.loc”,array(“replicaSet”=>true)); #负载均衡
- //$conn=new Mongo(“xiaocai.loc”,array(“persist”=>”t”)); #持久连接
- //$conn=new Mongo(“mongodb://sa:123@localhost”); #带用户名密码
- #选择test数据库
- $db=$conn->test;
- //$db=$conn->selectDB("test"); #第二种写法
- #选择集合(选择"表")
- $collection=$db->user;
- //$collection=$db->selectCollection("user"); #第二种写法
- #插入操作
- $data=array("uid"=>"zz123","user_name"=>"张三");
- $result=$collection->insert($data); #简单插入
- echo "插入数据的id".$data["_id"];
- exit;
- #插入操作 安全插入
- $data=array("uid"=>"zz124","user_name"=>"李四");
- $result=$collection->insert($data,true); #用于等待MongoDB完成操作,以便确定是否成功.(当有大量记录插入时使用该参数会比较有用)
- #修改操作
- $where=array("uid"=>"zz123");
- $newdata=array("user_name"=>"张三三","tel"=>"123456789");
- $result=$collection->update($where,array('$set'=>$newdata));
- #替换更新
- $where=array("uid"=>"zz124");
- $newdata=array("user_age"=>"22","tel"=>"123456789");
- $result=$collection->update($where,$newdata);
- #批量更新
- $where=array("uid"=>'zz');
- $newdata=array("user_name"=>"zz","money"=>1000);
- $result=$collection->update($where,array('$set'=>$newdata),array('multiple'=>true));
- #自动累加
- $where=array('money'=>1000);
- $newdata=array('user_name'=>'edit');
- $result=$collection->update($where,array('$set'=>$newdata,'$inc'=>array('money'=>-5)));
- #删除节点
- $where=array('uid'=>'zz124');
- $result=$collection->update($where,array('$unset'=>'tel'));//删除节点tel
- #删除数据
- $collection->remove(array('uid'=>'zz124'));
- #删除指定MongoId
- $id = new MongoId('4d638ea1d549a02801000011');
- $collection->remove(array('_id'=>(object)$id));
- #查询数据 注:$gt为大于、$gte为大于等于、$lt为小于、$lte为小于等于、$ne为不等于、$exists不存在
- echo 'count:'.$collection->count()."
"; #全部 - echo 'count:'.$collection->count(array('uid'=>'zz123'))."
"; #可以加上条件 - echo 'count:'.$collection->count(array('age'=>array('$gt'=>10,'$lte'=>30)))."
"; #大于50小于等于74 - echo 'count:'.$collection->find()->limit(5)->skip(0)->count(true)."
"; #获得实际返回的结果数 - #集合中所有文档
- $cursor = $collection->find()->snapshot();
- foreach ($cursor as $id => $value) {
- echo "$id: "; var_dump($value);
- echo "
"; - }
- #查询一条数据
- $cursor = $collection->findOne();
- #排除列 false为不显示
- $cursor = $collection->find()->fields(array("age"=>false,"tel"=>false));
- #指定列 true为显示
- $cursor = $collection->find()->fields(array("user_name"=>true));
- #(存在tel,age节点) and age!=0 and age<50
- $where=array('tel'=>array('$exists'=>true),'age'=>array('$ne'=>0,'$lt'=>50,'$exists'=>true));
- $cursor = $collection->find($where);
- #分页获取结果集
- $cursor = $collection->find()->limit(5)->skip(0);
- #排序
- $cursor = $collection->find()->sort(array('age'=>-1,'type'=>1)); #1表示降序 -1表示升序,参数的先后影响排序顺序
- #索引
- $collection->ensureIndex(array('age' => 1,'money'=>-1)); #1表示降序 -1表示升序
- $collection->ensureIndex(array('age' => 1,'money'=>-1),array('background'=>true)); #索引的创建放在后台运行(默认是同步运行)
- $collection->ensureIndex(array('age' => 1,'money'=>-1),array('unique'=>true)); #该索引是唯一的
- #取得查询结果
- $cursor = $collection->find();
- $array=array();
- foreach ($cursor as $id => $value) {
- $array[]=$value;
- }
- #关闭连接
- $conn->close();
- ?>
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