天天记事 472 / 2021-12-12 12:47:51
1xx 这些状态代码表示临时的响应。客户端在收到常规响应之前，应准备接收一个或多个1xx响应。
100 - Continue: 初始的请求已经接受，客户应当继续发送请求的其余部分。（HTTP 1.1新）
101 - Switching Protocols: 服务器将遵从客户的请求转换到另外一种协议（HTTP 1.1新）
103 - Checkpoint: 在可恢复请求提案中用于恢复中止的PUT或POST请求
2xx 请求成功，表示成功处理了请求的状态代码。
200 - OK: 成功，服务器已成功处理了请求。 通常，这表示服务器提供了请求的网页。
201 - Created: 已创建，请求成功并且服务器创建了新的资源。
202 - Accepted: 已接受，服务器已接受请求，但尚未处理。
203 - Non-Authoritative Information: 非授权信息，服务器已成功处理了请求，但返回的信息可能来自另一来源。
204 - No Content: 无内容，服务器成功处理了请求，但没有返回任何内容。
205 - Reset Content: 重置内容，服务器成功处理了请求，但没有返回任何内容。
206 - Partial Content: 部分内容，服务器成功处理了部分请求，如GET。
3xx 要完成请求，需要进一步操作，通常，这些状态代码用来重定向。
300 - Multiple Choices: 多种选择，针对请求，服务器可执行多种操作。 服务器可根据请求者 (user agent) 选择一项操作，或提供操作列表供请求者选择。
301 - Moved Permanently: 永久移动，请求的网页已永久移动到新位置。 服务器返回此响应（对 GET 或 HEAD 请求的响应）时，会自动将请求者转到新位置。
302 - Found: 临时移动，服务器目前从不同位置的网页响应请求，但请求者应继续使用原有位置来进行以后的请求。
303 - See Other: 查看其他位置，请求者应当对不同的位置使用单独的 GET 请求来检索响应时，服务器返回此代码。
304 - Not Modified: 未修改，自从上次请求后，请求的网页未修改过。 服务器返回此响应时，不会返回网页内容。
305 - Switch Proxy: 使用代理，请求者只能使用代理访问请求的网页。 如果服务器返回此响应，还表示请求者应使用代理。
307 - Temporary Redirect: 临时重定向，服务器目前从不同位置的网页响应请求，但请求者应继续使用原有位置来进行以后的请求。
308 - Resume Incomplete: 在可恢复请求提案中用于恢复中止的PUT或POST请求
4xx 请求错误，这些状态代码表示请求可能出错，妨碍了服务器的处理。
400 - Bad Request: 错误请求，服务器不理解请求的语法。
401 - Unauthorized: 未授权，请求要求身份验证。 对于需要登录的网页，服务器可能返回此响应。
402 - Payment Required: 留作将来使用
403 - Forbidden: 禁止，服务器拒绝请求。
404 - Not Found: 未找到，服务器找不到请求的网页。
405 - Method Not Allowed: 方法禁用，禁用请求中指定的方法。
406 - Not Acceptable: 不接受，无法使用请求的内容特性响应请求的网页。
407 - Proxy Authentication Required: 需要代理授权，此状态代码与 401（未授权）类似，但指定请求者应当授权使用代理。
408 - Request Timeout: 请求超时，服务器等候请求时发生超时。
409 - Conflict: 冲突，服务器在完成请求时发生冲突。 服务器必须在响应中包含有关冲突的信息。
410 - Gone: 已删除，如果请求的资源已永久删除，服务器就会返回此响应。
411 - Length Required: 需要有效长度，服务器不接受不含有效内容长度标头字段的请求。
412 - Precondition Failed: 未满足前提条件，服务器未满足请求者在请求中设置的其中一个前提条件。
413 - Request Entity Too Large: 请求实体过大，服务器无法处理请求，因为请求实体过大，超出服务器的处理能力。
414 - Request-URI Too Long: 请求的URI过长，服务器无法处理。
415 - Unsupported Media Type: 不支持的媒体类型，请求的格式不受请求页面的支持。
416 - Requested Range Not Satisfiable: 请求范围不符合要求，如果页面无法提供请求的范围，则服务器会返回此状态代码。
417 - Expectation Failed: 未满足期望值，服务器未满足“期望”请求标头字段的要求。
5xx 服务器错误，这些状态代码表示服务器在尝试处理请求时发生内部错误。 这些错误可能是服务器本身的错误，而不是请求出错。
500 - Internal Server Error: 服务器内部错误，服务器遇到错误，无法完成请求。
501 - Not Implemented: 尚未实施，服务器不具备完成请求的功能。 例如，服务器无法识别请求方法时可能会返回此代码。
502 - Bad Gateway: 错误网关，服务器作为网关或代理，从上游服务器收到无效响应。
503 - Service Unavailable: 服务不可用，服务器目前无法使用（由于超载或停机维护）。 通常，这只是暂时状态。
504 - Gateway Timeout: 网关超时，服务器作为网关或代理，但是没有及时从上游服务器收到请求。
505 - HTTP Version Not Supported: HTTP版本不受支持，服务器不支持请求中所用的HTTP协议版本。
506 - Network Authentication Required: 客户端需要进行身份验证才能访问网络
配个表格
Message | Description |
|---|---|
| 100 - Continue | The server has received the request headers, and the client should proceed to send the request body |
| 101 - Switching Protocols | The requester has asked the server to switch protocols |
| 103 - Checkpoint | Used in the resumable requests proposal to resume aborted PUT or POST requests |
Message | Description |
|---|---|
| 200 - OK | The request is OK (this is the standard response for successful HTTP requests) |
| 201 - Created | The request has been fulfilled, and a new resource is created |
| 202 - Accepted | The request has been accepted for processing, but the processing has not been completed |
| 203 - Non-Authoritative Information | The request has been successfully processed, but is returning information that may be from another source |
| 204 - No Content | The request has been successfully processed, but is not returning any content |
| 205 - Reset Content | The request has been successfully processed, but is not returning any content, and requires that the requester reset the document view |
| 206 - Partial Content | The server is delivering only part of the resource due to a range header sent by the client |
Message | Description |
|---|---|
| 300 - Multiple Choices | A link list. The user can select a link and go to that location. Maximum five addresses |
| 301 - Moved Permanently | The requested page has moved to a new URL |
| 302 - Found | The requested page has moved temporarily to a new URL |
| 303 - See Other | The requested page can be found under a different URL |
| 304 - Not Modified | Indicates the requested page has not been modified since last requested |
| 306 - Switch Proxy | No longer used |
| 307 - Temporary Redirect | The requested page has moved temporarily to a new URL |
| 308 - Resume Incomplete | Used in the resumable requests proposal to resume aborted PUT or POST requests |
Message | Description |
|---|---|
| 400 - Bad Request | The request cannot be fulfilled due to bad syntax |
| 401 - Unauthorized | The request was a legal request, but the server is refusing to respond to it. For use when authentication is possible but has failed or not yet been provided |
| 402 - Payment Required | Reserved for future use |
| 403 - Forbidden | The request was a legal request, but the server is refusing to respond to it |
| 404 - Not Found | The requested page could not be found but may be available again in the future |
| 405 - Method Not Allowed | A request was made of a page using a request method not supported by that page |
| 406 - Not Acceptable | The server can only generate a response that is not accepted by the client |
| 407 - Proxy Authentication Required | The client must first authenticate itself with the proxy |
| 408 - Request Timeout | The server timed out waiting for the request |
| 409 - Conflict | The request could not be completed because of a conflict in the request |
| 410 - Gone | The requested page is no longer available |
| 411 - Length Required | The "Content-Length" is not defined. The server will not accept the request without it |
| 412 - Precondition Failed | The precondition given in the request evaluated to false by the server |
| 413 - Request Entity Too Large | The server will not accept the request, because the request entity is too large |
| 414 - Request-URI 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 |
| 415 - Unsupported Media Type | The server will not accept the request, because the media type is not supported |
| 416 - Requested Range Not Satisfiable | The client has asked for a portion of the file, but the server cannot supply that portion |
| 417 - Expectation Failed | The server cannot meet the requirements of the Expect request-header field |
Message | Description |
|---|---|
| 500 - Internal Server Error | A generic error message, given when no more specific message is suitable |
| 501 - Not Implemented | The server either does not recognize the request method, or it lacks the ability to fulfill the request |
| 502 - Bad Gateway | The server was acting as a gateway or proxy and received an invalid response from the upstream server |
| 503 - Service Unavailable | The server is currently unavailable (overloaded or down) |
| 504 - Gateway Timeout | The server was acting as a gateway or proxy and did not receive a timely response from the upstream server |
| 505 - HTTP Version Not Supported | The server does not support the HTTP protocol version used in the request |
| 511 - Network Authentication Required | The client needs to authenticate to gain network access |
