小编复习MongoDB,基础请参考：MongoDB-CSDN博客（主要是linux操作）
PHP操作
<?php
/**
* 注意 本类仅适用于PHP7.0版本以上
* 请注意：mongoDB 支持版本 3.2+
* mongo具体参数参考： https://docs.mongodb.com/manual/reference/command/
*/
class MyMongodb {
private $manager;
private $dbname='yun';
/**
* 创建实例
* @param string $confkey
* @return object
*/
public function __construct($dns){
this-\>manager = new MongoDB\\Driver\\Manager(dns);
}
/**
* 插入
*/
public function insert(table,data){
$bulk = new MongoDB\Driver\BulkWrite;
bulk-\>insert(data);
$writeConcern = new MongoDB\Driver\WriteConcern(MongoDB\Driver\WriteConcern::MAJORITY, 1000);
res = this->manager->executeBulkWrite(this-\>dbname.'.'.table, bulk, writeConcern);
return $res?true:false;
}
public function insert_batch(table,data)
{
$bulk = new MongoDB\Driver\BulkWrite;
foreach (data as val){
bulk-\>insert(val);
}
$writeConcern = new MongoDB\Driver\WriteConcern(MongoDB\Driver\WriteConcern::MAJORITY, 1000);
res = this->manager->executeBulkWrite(this-\>dbname.'.'.table, bulk, writeConcern);
return $res?true:false;
}
/**
* 查询
* eg:'age' =\> 24]
* eg；$options = [
* 'projection' => '_id' =\> 0, //不输出_id字段
* 'sort' => 'leavetime'=\>-1 //根据user_id字段排序 1是升序，-1是降序
* ];
*/
public function select(table,filter,$options=array()){
!$filter && dieError('param of filter is error');
$options'projection'='_id' =\> 0;
query = new MongoDB\\Driver\\Query(filter, $options); //查询请求
cursor = this->manager->executeQuery(this-\>dbname.'.'.table, $query);
$result = \[\];
foreach(cursor as doc) {
result\[\] = (array)doc;
}
return $result;
}
/**
* 修改
* eg:$condition='name' =\> 'JetWu5'
* eg:set_array= \['set' => 'age' =\> 30, 'promise' =\> 'always smile!']
*/
public function update(table,condition=array(),$set_array=array()){
!$condition && dieError('param of condition is error');
!$set_array && dieError('param of set_array is error');
$bulk = new MongoDB\Driver\BulkWrite;
$bulk->update(
$condition,
$set_array
);
$writeConcern = new MongoDB\Driver\WriteConcern(MongoDB\Driver\WriteConcern::MAJORITY, 1000);//可选，修改确认
res = this->manager->executeBulkWrite(this-\>dbname.'.'.table, bulk, writeConcern);
return $res?true:false;
}
/**
* 删除
* eg:$condition='name' =\> 'JetWu5'
* if $condition==\[\] then delete all table documents!
*/
public function delete(table,condition=\[\]){
!is_array($condition) && dieError('param of condition is error');
$bulk = new MongoDB\Driver\BulkWrite;
bulk-\>delete(condition);
$writeConcern = new MongoDB\Driver\WriteConcern(MongoDB\Driver\WriteConcern::MAJORITY, 1000);//可选，修改确认
res = this->manager->executeBulkWrite(this-\>dbname.'.'.table, bulk, writeConcern);
return $res?true:false;
}
function exec($opts) {
cmd = new MongoDB\\Driver\\Command(opts);
cursor = this->manager->executeCommand(this-\>dbname, cmd);
$result = \[\];
foreach(cursor as doc) {
result\[\] = (array)doc;
}
return $result;
}
}
关键字
$eq：等于
$gt：大于
$gte：大于等于
$lt：小于
$lte：小于等于
$ne：不等于
$in：在指定数组中
$nin：不在指定数组中
$and：逻辑与
$or：逻辑或
$not：逻辑非
$exists：字段是否存在
//数据库链接
$mongodb = new MongoDB\Driver\Manager('mongodb://localhost:27017');
//数据写入
$bulk = new MongoDB\Driver\BulkWrite;
$bulk->insert('x' =\> 1, 'name'=\>'测试数据1', 'type' =\> 1,'desc'=\>'描述1');
$bulk->insert('x' =\> 2, 'name'=\>'测试数据2', 'type' =\> 2,'desc'=\>'描述2');
$bulk->insert('x' =\> 3, 'name'=\>'测试数据3', 'type' =\> 1,'desc'=\>'描述3');
$bulk->insert('x' =\> 4, 'name'=\>'测试数据4', 'type' =\> 2,'desc'=\>'描述4');
$bulk->insert('x' =\> 5, 'name'=\>'测试数据5', 'type' =\> 1,'desc'=\>'描述5');
$bulk->insert('x' =\> 6, 'name'=\>'测试数据6', 'type' =\> 2,'desc'=\>'描述6');
mongodb-\>executeBulkWrite('message.test', bulk);//数据写入（写入meaasge库的test表）
//数据查询
filter = \['x' =\> \['lte' => 3]];
$options = [
'projection' => '_id' =\> 0,
'sort' => 'x' =\> 1,
];
query = new MongoDB\\Driver\\Query(filter, $options); // 查询数据（预处理语句）
cursor = mongodb->executeQuery('message.test', $query);//执行查询
foreach (cursor as document) {//数据循环输出
print_r($document);
}
//数据修改
$bulk = new MongoDB\Driver\BulkWrite;
$bulk->update(
'x' =\> 2,
'$set' =\> \['name' =\> '测试数据22', 'desc' =\> '描述22'],
'multi' =\> false, 'upsert' =\> false
);
$writeConcern = new MongoDB\Driver\WriteConcern(MongoDB\Driver\WriteConcern::MAJORITY, 1000);
result = mongodb->executeBulkWrite('message.test', bulk, writeConcern);
var_dump($result);
//数据删除
$bulk = new MongoDB\Driver\BulkWrite;
$bulk->delete('x' =\> 1, 'limit' =\> 1); // limit 为 1 时，删除第一条匹配数据，limit 为 0 时，删除所有匹配数据
$writeConcern = new MongoDB\Driver\WriteConcern(MongoDB\Driver\WriteConcern::MAJORITY, 1000);
result = mongodb->executeBulkWrite('message.test', bulk, writeConcern);
var_dump($result);
die;