内容介绍
使用框架自带的状态码能更清晰的表达这个请求的相应内容以及错误信息，进行相应的处理。
状态码解释
from rest_framework import status
- Informational - 1xx
此类状态码表示临时的信息状态，在框架中是没有使用这类状态码的。
HTTP_100_CONTINUE
HTTP_101_SWITCHING_PROTOCOLS
- Successful - 2xx
这类状态码是表示服务器已经成功接收到了请求。
HTTP_200_OK
HTTP_201_CREATED
HTTP_202_ACCEPTED
HTTP_203_NON_AUTHORITATIVE_INFORMATION
HTTP_204_NO_CONTENT
HTTP_205_RESET_CONTENT
HTTP_206_PARTIAL_CONTENT
HTTP_207_MULTI_STATUS
HTTP_208_ALREADY_REPORTED
HTTP_226_IM_USED
- Redirection - 3xx
这类状态码表示重定向到了其他接口，可能需要进一步访问其他的接口才可以满足用户需求。
HTTP_300_MULTIPLE_CHOICES
HTTP_301_MOVED_PERMANENTLY
HTTP_302_FOUND
HTTP_303_SEE_OTHER
HTTP_304_NOT_MODIFIED
HTTP_305_USE_PROXY
HTTP_306_RESERVED
HTTP_307_TEMPORARY_REDIRECT
HTTP_308_PERMANENT_REDIRECT
- Client Error - 4xx
这类状态码表示客户端出现错误。
HTTP_400_BAD_REQUEST
HTTP_401_UNAUTHORIZED
HTTP_402_PAYMENT_REQUIRED
HTTP_403_FORBIDDEN
HTTP_404_NOT_FOUND
HTTP_405_METHOD_NOT_ALLOWED
HTTP_406_NOT_ACCEPTABLE
HTTP_407_PROXY_AUTHENTICATION_REQUIRED
HTTP_408_REQUEST_TIMEOUT
HTTP_409_CONFLICT
HTTP_410_GONE
HTTP_411_LENGTH_REQUIRED
HTTP_412_PRECONDITION_FAILED
HTTP_413_REQUEST_ENTITY_TOO_LARGE
HTTP_414_REQUEST_URI_TOO_LONG
HTTP_415_UNSUPPORTED_MEDIA_TYPE
HTTP_416_REQUESTED_RANGE_NOT_SATISFIABLE
HTTP_417_EXPECTATION_FAILED
HTTP_422_UNPROCESSABLE_ENTITY
HTTP_423_LOCKED
HTTP_424_FAILED_DEPENDENCY
HTTP_426_UPGRADE_REQUIRED
HTTP_428_PRECONDITION_REQUIRED
HTTP_429_TOO_MANY_REQUESTS
HTTP_431_REQUEST_HEADER_FIELDS_TOO_LARGE
HTTP_451_UNAVAILABLE_FOR_LEGAL_REASONS
- Server Error - 5xx
这类状态码表示服务端出现错误。
HTTP_500_INTERNAL_SERVER_ERROR
HTTP_501_NOT_IMPLEMENTED
HTTP_502_BAD_GATEWAY
HTTP_503_SERVICE_UNAVAILABLE
HTTP_504_GATEWAY_TIMEOUT
HTTP_505_HTTP_VERSION_NOT_SUPPORTED
HTTP_506_VARIANT_ALSO_NEGOTIATES
HTTP_507_INSUFFICIENT_STORAGE
HTTP_508_LOOP_DETECTED
HTTP_509_BANDWIDTH_LIMIT_EXCEEDED
HTTP_510_NOT_EXTENDED
HTTP_511_NETWORK_AUTHENTICATION_REQUIRED
辅助函数
is_informational() # 1xx 返回是否 1 开头状态码的布尔值
is_success() # 2xx 返回是否 2 开头状态码的布尔值
is_redirect() # 3xx 返回是否 3 开头状态码的布尔值
is_client_error() # 4xx 返回是否 4 开头状态码的布尔值
is_server_error() # 5xx 返回是否 5 开头状态码的布尔值
举例说明
from rest_framework import status
status.is_success(200) # 返回 True
status.is_success(300) # 返回 False