HTTP: 小知识巧总结
Response status codes
分组
- [1--] (服务器 - 发) 信息响应 - Informational responses (100–199),
- [2--] (客户端 - 收) 成功响应 - Successful responses (200–299),
- [3--] (服务器 - 发) 重定向 - Redirects (300–399),
- [4--] (客户端 - 收) 客户端错误 - Client errors (400–499),
- [5--] (服务器 - 发) 服务器错误 - Server errors (500–599).
常见状态码
| code | key | info |
|---|---|---|
| 200 | OK | Get, Put 或 Post 请求响应成功 |
| 201 | Created | 标识一个新实例创建成功。请使用 Post 方法创建新实例并返回 201 状态码 |
| 304 | Not Modified | 发现资源已经缓存到本地，浏览器会自动减少请求次数 |
| 400 | Bad Request | 请求未被处理，因为服务器不能理解客户端想要什么 |
| 401 | Unauthorized | 因为请求缺少有效的凭据，应该使用有效的凭据重新发送请求 |
| 403 | Forbidden | 服务器理解本次请求，但拒绝授权 |
| 404 | Not Found | 未找到请求的资源 |
| 500 | Internal Server Error | 请求本身有效，但由于意外情况，服务器无法实现，服务器发生了故障 |
所有状态码
1xx: 信息响应
| code | key | info |
|---|---|---|
| 100 | Continue | |
| 101 | Switching Protocol | |
| 102 | Processing | |
| 103 | Early Hints | ... |
2xx: 成功响应
| code | key | info |
|---|---|---|
| 200 | OK | |
| 201 | Created | |
| 202 | Accept | |
| 203 | Non-Authoritative Information | |
| 204 | No Content | |
| 205 | Reset Content | |
| 206 | Partial Content | ... |
3xx: 重定向
| code | key | info |
|---|---|---|
| 300 | Multiple Choice | |
| 301 | Moved Permanently | |
| 302 | Found | |
| 303 | See Other | |
| 304 | Not Modified | ... |
4xx: 客户端错误
| code | key | info |
|---|---|---|
| 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 | |
| 409 | Conflict | |
| 410 | Gone | |
| 411 | Length Required | |
| ... | ... | |
| 431 | Request Header Fields Too Large | |
| ... | ... | |
| 451 | Unavailable For Legal Reasons | ... |
5xx: 服务器错误
| code | key | info |
|---|---|---|
| 500 | Internal Server Error | |
| 501 | Not Implemented | |
| 502 | Bad Gateway | |
| 503 | Service Unavailable | |
| 504 | Gateway Timeout | |
| 505 | HTTP Version Not Supported | |
| 506 | Variant Also Negotiates | |
| 507 | Insufficient Storage | |
| 508 | Loop Detected | |
| 510 | Not Extended | |
| 511 | Network Authentication Required | ... |
鉴权方式
HTTP Basic Authentication
session-cookie
token
OAuth