常见的HTTP状态码
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企业生产环境常见的http返回状态码汇总，如下表格：
| HTTP状态码 | 英文解释 | 中文解释 |
| 200 | -OK，- Standard response for successful HTTP requests. | 发出http请求后服务器成功返回正确的网页 |
| 301 | -Moved Permanently ， - This and all future requests should be directed to the given. | 请求的网页已永久跳转到新位置。（永久跳转）， |
| 302 | -Temporary Moved | 请求已临时跳转到新位置 |
403 | -Forbidden，forbidden request (matches a deny filter) => HTTP 403 - The request was a legal request, but the server is refusing to respond to it. | （禁止访问）,服务器拒绝请求 |
404 | -Not Found- The requested resource could not be found but may be available again in the future. | 服务器找不到请求的页面。 |
500 | - Internal Server Error- internal error in haproxy => HTTP 500 - A generic error message, given when no more specific message is suitable. | （内部服务器错误）前端负载均衡器错误 |
502 | - Bad Gateway- the server returned an invalid or incomplete response => HTTP 502 - The server was acting as a gateway or proxy and received an invalid response from the upstream server. | （坏的网关）,一般是网关服务器请求后端服务时，后端服务没有按照http协议正确返回结果。 |
503 | - Service Unavailable- no server was available to handle the request => HTTP 503 - The server is currently unavailable (because it is overloaded or down for maintenance). | （服务当前不可用）,可能因为超载或停机维护。 |
504 | - Gateway Timeout - the server failed to reply in time => HTTP 504 - The server was acting as a gateway or proxy and did not receive a timely response from the upstream server. | （网关超时）,一般是网关服务器请求后端服务时，后端服务没有在特定的时间内完成服务。 |
本文参考如需详细的了解可访问：http://oldboy.blog.51cto.com/2561410/716294
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