状态码

1XX:信息状态码100 Continue:客户端应当继续发送请求。这个临时相应是用来通知客户端它的部分请求已经被服务器接收,且仍未被拒绝。客户端应当继续发送请求的剩余部分,或者如果请求已经完成,忽略这个响应。服务器必须在请求万仇向客户端发送一个最终响应####

101 Switching Protocols:服务器已经理解力客户端的请求,并将通过Upgrade消息头通知客户端采用不同的协议来完成这个请求。在发送完这个响应最后的空行后,服务器将会切换到Upgrade消息头中定义的那些协议。


2XX:成功状态码200 OK:请求成功,请求所希望的响应头或数据体将随此响应返回####

201 Created
202 Accepted
203 Non-Authoritative Information
204 No Content
205 Reset Content
206 Partial Content


3XX:重定向**300 Multiple Choices:####

301 Moved Permanently
302 Found
303 See Other
304 Not Modified
305 Use Proxy
306 (unused)
307 Temporary Redirect


4XX:客户端错误**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


5XX: 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

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