建站学院文档 当浏览器向web服务器请求服务的时候可能会产生错误，下面是所有这些错误所返回的HTTP状态消息列表
1xx: 信息
| 消息: | 描述: |
|---|---|
| 100 Continue | Only a part of the request has been received by the server, but as long as it has not been rejected, the client should continue with the request 服务器只接受到部分请求，但并没有拒绝，客户应该继续请求 |
| 101 Switching Protocols | The server switches protocol 服务器交换机议定书 |
2xx: 成功
| 消息: | 描述: |
|---|---|
| 200 OK | The request is OK 请求成功 |
| 201 Created | The request is complete, and a new resource is created 请求完成，新资源被建立 |
| 202 Accepted | The request is accepted for processing, but the processing is not complete 进程接受请求，但整个进程尚未完毕 |
| 203 Non-authoritative Information | |
| 204 No Content | |
| 205 Reset Content | |
| 206 Partial Content |
3xx: 重定向
| 消息: | 描述: |
|---|---|
| 300 Multiple Choices | A link list. The user can select a link and go to that location. Maximum five addresses 连接列表。用户可以通过选择一个连接到达指定的连接位置。最大允许输入5个地址。 |
| 301 Moved Permanently | The requested page has moved to a new url 请求页切换到一个新的URL地址 |
302 Found | The requested page has moved temporarily to a new url 请求页临时切换到一个新的URL地址 |
| 303 See Other | The requested page can be found under a different url 请求页可以在另一个URL地址中找到 |
| 304 Not Modified | |
| 305 Use Proxy | |
| 306 Unused | This code was used in a previous version. It is no longer used, but the code is reserved 该代码仅在先前版本中支持。当前版本已不再支持该代码，但是代码部分仍将保留 |
| 307 Temporary Redirect | The requested page has moved temporarily to a new url 请求页临时切换到一个新的URL地址 |
4xx: 客户端错误
| 消息: | 描述: |
|---|---|
| 400 Bad Request | The server did not understand the request 服务器不能读懂请求 |
| 401 Unauthorized | The requested page needs a username and a password 请求页面需要输入用户名和密码 |
| 402 Payment Required | You can not use this code yet 不允许在使用这段代码 |
| 403 Forbidden | Access is forbidden to the requested page 禁止访问请求页面 |
| 404 Not Found | The server can not find the requested page 服务器不能找到请求页面 |
| 405 Method Not Allowed | The method specified in the request is not allowed 不允许该请求 |
| 406 Not Acceptable | The server can only generate a response that is not accepted by the client 客户端不能接受来自于服务器的回应 |
| 407 Proxy Authentication Required | You must authenticate with a proxy server before this request can be served 不许在该请求被处理之前确定是否使用了代理服务器 |
| 408 Request Timeout | The request took longer than the server was prepared to wait 请求超时 |
| 409 Conflict | The request could not be completed because of a conflict 请求发生冲突 |
| 410 Gone | The requested page is no longer available 请求页已失效 |
| 411 Length Required | The "Content-Length" is not defined. The server will not accept the request without it 用于"Content-Length"未定义导致服务器不能接受该请求 |
| 412 Precondition Failed | The precondition given in the request evaluated to false by the server 请求中的预处理过程失败 |
| 413 Request Entity Too Large | The server will not accept the request, because the request entity is too large 由于请求实体过大导致服务器不接受该请求 |
| 414 Request-url Too Long | The server will not accept the request, because the url is too long. Occurs when you convert a "post" request to a "get" request with a long query information 服务器不接受该请求，因为URL过长。当你通过一条较长的查询信息将“post”请求转换为“get”请求时，将会发生该错误 |
| 415 Unsupported Media Type | The server will not accept the request, because the media type is not supported 服务器不接受该请求，主要是因为使用的媒体类型不支持 |
| 416 | |
| 417 Expectation Failed |
5xx: 服务器端错误
| 消息: | 描述: |
|---|---|
| 500 Internal Server Error | The request was not completed. The server met an unexpected condition 请求未能完成。服务器遭遇意外情况 |
| 501 Not Implemented | The request was not completed. The server did not support the functionality required 请求未能完成。服务器不支持该指定的功能 |
| 502 Bad Gateway | The request was not completed. The server received an invalid response from the upstream server 请求未能完成。服务器从上游服务器中提取了无效回应 |
| 503 Service Unavailable | The request was not completed. The server is temporarily overloading or down 请求未能完成。服务器承载量超负荷 |
| 504 Gateway Timeout | The gateway has timed out 网关超时 |
| 505 HTTP Version Not Supported | The server does not support the "http protocol" version 服务器不支持该“http protocal[http协议]”版本 |