1.mongdb的连接

 new \MongoDB\Driver\Manager("mongodb://name:password@xxx.xxx.xx.xxx:27017/apps");

2.mongdb的添加

    $bulk = new \MongoDB\Driver\BulkWrite;
    $bulk->insert(['x' => 1, 'name'=>'dadavm', 'url' => 'http://www.dadavm.cn']);
    $bulk->insert(['x' => 2, 'name'=>'Google', 'url' => 'http://www.google.com']);
    $bulk->insert(['x' => 3, 'name'=>'taobao', 'url' => 'http://www.taobao.com']);
    $db->executeBulkWrite('apps.test', $bulk);

3.mongdb的删除

    $bulk = new \MongoDB\Driver\BulkWrite;
    $bulk->delete(['x' => 1], ['limit' => 1]);   // limit 为 1 时，删除第一条匹配数据
    $bulk->delete(['x' => 2], ['limit' => 0]);   // limit 为 0 时，删除所有匹配数据
    $writeConcern = new \MongoDB\Driver\WriteConcern(\MongoDB\Driver\WriteConcern::MAJORITY, 1000);
    $result = $db->executeBulkWrite('apps.test', $bulk, $writeConcern);

4.mongdb的修改

    $bulk = new \MongoDB\Driver\BulkWrite;
    $bulk->update(
        ['x' => 2],
        ['$set' => ['name' => '简书', 'url' => 'jianshu.runoob.com']],
        ['multi' => false, 'upsert' => false]
    );  
    $writeConcern = new \MongoDB\Driver\WriteConcern(\MongoDB\Driver\WriteConcern::MAJORITY, 1000);
    $result = $db->executeBulkWrite('h5maker.test', $bulk, $writeConcern);

5.mongdb的查询

    // 查询数据
    $filter = ['x' => ['$gt' => 1]];
    $options = [
        'projection' => ['_id' => 0],
        'sort' => ['x' => -1],
    ];
    $query = new \MongoDB\Driver\Query($filter, $options);
    $cursor = $db->executeQuery('apps.test', $query);

    foreach ($cursor as $document) {
        echo '<pre>';
        print_r($document);
    }
    exit;

数据：

stdClass Object
(
[x] => 3
[name] => taobao
[url] => http://www.taobao.com)
stdClass Object(
[x] => 2
[name] => 简书
[url] => jianshu.runoob.com
)