$ret
$ret : integer
PhalApi_Response_JsonP JSON响应类
setRet(integer  $ret) : \PhalApi_Response
                Set the response status
| integer | $ret | response status, such as: 2xx, 4xx, 5xx  | 
                            
setData(\array/string  $data) : \PhalApi_Response
                Set the response data
| \array/string | $data | result data to client, we suggest return array data, not string data  | 
                            
setMsg(string  $msg) : \PhalApi_Response
                Set the error message
| string | $msg | error message  | 
                            
setDebug(string $key, mixed $value) : \PhalApi_Response
Set debug infomation
| string | $key | debug key  | 
                            
| mixed | $value | debug data  |