http状态码

有些东西只有看一些源码才可以知道！http状态码就是其中一个！我知道
1xx 是系统保留
2xx 是准确请求
3xx 是跳转
4xx 是客户端错误
5xx 是服务器错误

 {100, "Continue"},
 {101, "Switching Protocols"},
 {200, "OK"},
 {201, "Created"},
 {202, "Accepted"},
 {203, "Non-Authoritative Information"},
 {204, "No Content"},
 {205, "Reset Content"},
 {206, "Partial Content"},
 {300, "Multiple Choices"},
 {301, "Moved Permanently"},
 {302, "Moved Temporarily"},
{303, "See Other"},
 {304, "Not Modified"},
 {305, "Use Proxy"},

{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 Time-out”},
{409, “Conflict”},
{410, “Gone”},
{411, “Length Required”},
{412, “Precondition Failed”},
{413, “Request Entity Too Large”},
{414, “Request-URI Too Large”},
{415, “Unsupported Media Type”},
{428, “Precondition Required”},
{429, “Too Many Requests”},
{431, “Request Header Fields Too Large”},
{500, “Internal Server Error”},
{501, “Not Implemented”},
{502, “Bad Gateway”},
{503, “Service Unavailable”},
{504, “Gateway Time-out”},
{505, “HTTP Version not supported”},
{511, “Network Authentication Required”},