插入数据

 $db=DB::table('ad');
         //多条记录
         $id=$db->insert([
             [
                 'ad_merchant'=>0,
                 'ad_img'=>'http://pic1.quanmingwang.com/shop/ZJcop8ludg_20171013_!!99959.png',
                 'ad_w'=>'100',
                 'ad_h'=>'100',
                 'ad_time'=>time(),
                 'ad_sign'=>'hello',
                 'tree_id'=>'123',
             ],
             [
                 'ad_merchant'=>0,
                 'ad_img'=>'http://pic1.quanmingwang.com/shop/ZJcop8ludg_20171013_!!99959.png',
                 'ad_w'=>'100',
                 'ad_h'=>'100',
                 'ad_time'=>time(),
                 'ad_sign'=>'hellohello',
                 'tree_id'=>'123',
             ],
         ]);
         //单条记录
         $result=$db->insertGetId([
             'ad_merchant'=>0,
             'ad_img'=>'http://pic1.quanmingwang.com/shop/ZJcop8ludg_20171013_!!99959.png',
             'ad_w'=>'100',
             'ad_h'=>'100',
             'ad_time'=>time(),
             'ad_sign'=>'hhahahahworld',
             'tree_id'=>'123',
         ]);
         var_dump($result);