# Functions
NewCallbackMessage 新建一个附带回调的 ErrCode 消息体.
NewErrCodeMessage 新建一个 ErrCode 消息体.
NewMessage 新建一个消息体.
SetDefaultLang 设置当前项目默认的语言.
# Variables
EmptyCallback 空回调.
Messages Message 消息集合.
202 Accepted.
208 Already Reported.
502 Bad Gateway.
400 Bad Request.
409 Conflict.
201 Created.
417 Expectation Failed.
424 Failed Dependency.
403 Forbidden.
302 Found.
504 Gateway Timeout.
410 Gone.
505 HTTP Version Not Supported.
226 IM Used.
507 Insufficient Storage.
500 Internal Server Error.
411 Length Required.
423 Locked.
508 Loop Detected.
405 Method Not Allowed.
421 Misdirected Request.
301 Moved Permanently.
300 Multiple Choices.
207 Multi-Status.
511 Network Authentication Required.
204 No Content.
203 Non-Authoritative Information.
406 Not Acceptable.
510 Not Extended.
404 Not Found.
501 Not Implemented.
304 Not Modified.
200 OK.
206 Partial Content.
402 Payment Required.
308 Permanent Redirect.
412 Precondition Failed.
428 Precondition Required.
407 Proxy Authentication Required.
416 Requested Range Not Satisfiable.
413 Request Entity Too Large.
431 Request Header Fields Too Large.
408 Request Timeout.
414 Request URI Too Long.
205 Reset Content.
303 See Other.
503 Service Unavailable.
418 I'm a teapot.
307 Temporary Redirect.
425 Too Early.
429 Too Many Requests.
401 Unauthorized.
451 Unavailable For Legal Reasons.
422 Unprocessable Entity.
415 Unsupported Media Type.
426 Upgrade Required.
305 Use Proxy.
506 Variant Also Negotiates.