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The web server returns the status code type and meaning

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Posted on 8/23/2018 9:32:17 AM | | |
The website server returns the type of status code and its meaning.
　　
200: Successfully acquire the file
　　
301: Permanent steering
　　
304: The file has not changed. The client-side buffered version can still be used
　　
400: Unlawful request
　　
401: Access denied, username and password required
　　
403: No access
　　
404: The file does not exist, or it is not found
　　
500: Server internal error. Usually there is a problem with the procedure
　　
503: The server did not answer. Such as excessive load
　　
These server states must be familiar to network administrators, and web programmers should also know about this area, and they will know whether it is a program error or a server problem when the corresponding status occurs




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