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
参考
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