1 public function getcdkey(){
 2 
 3     $map=array(
 4         'props_id' => 6600603,
 5         'is_give' => 0,
 6         'status' => 0
 7         );
 8     $res=M('cdkey')->where($map)->limit(1)->getfield('id,cdkey');
 9     foreach ($res as $key => $value) {
10             $map=array('id'=>$key);
11             $data2 = array('is_give' => 1 );
12             $result=M('cdkey')->where($map)->save($data2);
13             if($result){
14                     $data['cdkey']=$value;
15                     echo json_encode($data);
16                     exit();
17             }
18     }
19 }