HTTP错误类别

http_status_bad_request (400)

the request could not be processed by the server due to invalid syntax.

因为语法不能被服务器处理

http_status_denied (401)

the requested resource requires user authentication.

请求资源命令必须被验证（拒绝访问）

http_status_payment_req (402)

not currently implemented in the http protocol.

没有完全实现http协议

http_status_forbidden (403)

the server understood the request, but is refusing to fulfill it.

服务器理解了请求，但是拒绝完成他

http_status_not_found (404)

the server has not found anything matching the requested uri (uniform resource identifier).

没有找到任何被指定的uri

http_status_bad_method (405)

the http verb used is not allowed.

http动作不被允许

http_status_none_acceptable (406)

no resp acceptable to the client were found.

应答没有被客户接受

http_status_proxy_auth_req (407)

proxy authentication required.

代理必须被验证

http_status_request_timeout (408)

the server timed out waiting for the request.

服务器在等待请求时中止了

http_status_conflict (409)

the request could not be completed due to a c with the current state of the resource. the user should resubmit with more information.

请求不能被完成，问题是资源冲突。用户应该进行调整

http_status_gone (410)

the requested resource is no l available at the server, and no forwarding address is known.

请求的资源在服务器上不再可用，而且没有转发地址

http_status_length_required (411)

the server refuses to accept the request without a defined c length.

服务器拒绝接受没有定义目录大小的请求

http_status_precond_failed (412)

the prec given in or more of the request header fields evaluated to false when it was tested on the server.

当在服务器上测试请求头文件放弃一个或者多个请求的条件

http_status_request_too_large (413)

the server is refusing to process a request because the request entity is larger than the server is willing or able to process.

服务器拒绝处理请求，原因是请求的大小超过服务器能够处理的大小

http_status_uri_too_long (414)

the server is refusing to service the request because the request uri (uniform resource identifier) is l than the server is willing to interpret.

服务器拒绝服务，原因是请求的uri超过了服务器能够揭示的长度

http_status_unsupported_media (415)

the server is refusing to service the request because the entity of the request is in a format not supported by the requested resource for the requested method.

服务器拒绝服务，原因是请求格式不被支持

找了个从400到415的错误解释，后面的没找到