消息
100 Continue
101 Switching Protocols
102 Processing
成功
200 OK
201 Created
202 Accepted
203 Non-Authoritative Information
204 No Content
205 Reset Content
206 Partial Content
207 Multi-Status
重定向
300 Multiple Choices
301 Moved Permanently
302 Move temporarily
303 See Other
304 Not Modified
305 Use Proxy
306 Switch Proxy
307 Temporary Redirect
请求错误
400 Bad Request
401 Unauthorized
402 Payment Required
403 Forbidden
404 Not Found
405 Method Not Allowed
406 Not Acceptable
407 Proxy Authentication Required
408 Request Timeout
409 Conflict
410 Gone
411 Length Required
412 Precondition Failed
413 Request Entity Too Large
414 Request-URI Too Long
415 Unsupported Media Type
416 Requested Range Not Satisfiable
417 Expectation Failed
421 too many connections
422 Unprocessable Entity
423 Locked
424 Failed Dependency
425 Unordered Collection
426 Upgrade Required
449 Retry With
451Unavailable For Legal Reasons
服务器错误
500 Internal Server Error
501 Not Implemented
502 Bad Gateway
503 Service Unavailable
504 Gateway Timeout
505 HTTP Version Not Supported
506 Variant Also Negotiates
507 Insufficient Storage
509 Bandwidth Limit Exceeded
510 Not Extended
600 Unparseable Response Headers