HTTP 之常见的状态码
HTTP 之常见的状态码 1xx ~ 5xx
1xx
(Informational) 信息性状态码，表示正在处理。
2xx
(Success) 成功状态码，表示请求正常。
200 ok 请求被成功处理。
204 No Content 该状态码表示服务器接收到的请求已经处理完毕，但是服务器不需要返回响应体。
206 Partial Content 该状态码表示客户端进行了范围请求，而服务器成功执行了这部分的GET请求。
3xx
(Redirection) 重定向状态码，表示客户端需要进行附加操作。
301 Moved Permanently 永久性重定向。
302 Found 临时性重定向。
4xx
(Client Error) 客户端错误状态码，表示服务器无法处理请求。
400 Bad Request 指出客户端请求中的语法错误。
401 Unauthorized 该状态码表示发送的请求需要有认证。
403 Forbidden 该状态码表明对请求资源的访问被服务器拒绝了。
404 Not Found 该状态码表明服务器上无法找到指定的资源。
5xx
(Server Error) 服务器错误状态码，表示服务器处理请求出错。
500 Internal Server Error 该状态码表明服务器端在执行请求时发生了错误。
502 Bad Gateway 该状态码表明服务器网关错误。
503 Service Unavailable 该状态码表明服务器暂时处于超负载或正在进行停机维护，现在无法处理请求。
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