Rails 状态码

Response Class  HTTP StatusCode   Symbol
Informational   100               :continue
Success         200               :ok
Redirection     300               :multiple_choices
                301               :moved_permanently(重定向)
                304               :not_modified
Client Error    400               :bad_request
                401               :unauthorized
                403               :forbidden
                404               :not_found
Server Error    500               :internal_server_error
                502               :bad_gateway
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原文地址：https://www.cnblogs.com/gdpdroid/p/6683691.html