这个页面上是 HTTP 超文本传输协议的常见返回状态码列表。根据互联网的资料，尤其是相关 RFC 中的描述整理而成。杜老师会努力保证这个页面上的描述是准确无误的。如果对其中提到内容有任何问题，欢迎在页面下留言讨论！
1xx Informational
提示信息列表如下：
| 状态编码 | 英文名称 |
|---|---|
| 100 | Continue |
| 101 | Switching Protocols |
| 102 | Processing |
| 103 | Early Hints |
2xx Successful
请求成功列表如下：
| 状态编码 | 英文名称 |
|---|---|
| 200 | OK |
| 201 | Created |
| 202 | Accepted |
| 203 | Non-Authoritative Information |
| 204 | No Content |
| 205 | Reset Content |
| 206 | Partial Content |
| 207 | Multi-Status |
| 208 | Already Reported |
| 226 | IM Used |
3xx Redirection
跳转列表如下：
| 状态编码 | 英文名称 |
|---|---|
| 300 | Multiple Choices |
| 301 | Moved Permanently |
| 302 | Found |
| 303 | See Other |
| 304 | Not Modified |
| 305 | Use Proxy |
| 306 | Switch Proxy |
| 307 | Temporary Redirect |
| 308 | Permanent Redirect |
4xx Client Error
客户机端错误列表如下：
| 状态编码 | 英文名称 |
|---|---|
| 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 |
| 410 | Gone |
| 411 | Length Required |
| 412 | Precondition Failed |
| 413 | Payload Too Large |
| 414 | URI Too Long |
| 415 | Unsupported Media Type |
| 416 | Range Not Satisfiable |
| 417 | Expectation Failed |
| 418 | I’m a teapot |
| 421 | Misdirected Request |
| 422 | Unprocessable Entity |
| 423 | Locked |
| 424 | Failed Dependency |
| 425 | Too Early |
| 426 | Upgrade Required |
| 428 | Precondition Required |
| 429 | Too Many Requests |
| 431 | Request Header Fields Too Large |
| 451 | Unavailable For Legal Reasons |
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