Detailed explanation of spring MVC interceptor to realize session control
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Java
If you are not logged in, you are not allowed to access the page in the background folder. How do you determine whether to log in? Background is a key directory. Everyone who operates this directory needs to write it in the log table. How to implement it? Interceptor is one of the implementation schemes.
(1) On COM geloin. spring. Add systeminterceptor to the interceptor package and make it inherit handlerinterceptor
(2) Modify context dispatcher XML, let spring manage interceptors
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