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servlet中*和**的区别
This is indicates AntPathMatcher
The mapping matches URLs using the following rules:
? matches one character
* matches zero or more characters
** matches zero or more 'directories' in a path
Some examples:
com/t?st.jsp - matches com/test.jsp but also com/tast.jsp or com/txst.jsp
com/*.jsp - matches all .jsp files in the com directory
com/**/test.jsp - matches all test.jsp files underneath the com path
org/springframework/**/*.jsp - matches all .jsp files underneath the org/springframework path
org/**/servlet/bla.jsp - matches org/springframework/servlet/bla.jsp but also org/springframework/testing/servlet/bla.jsp and org/servlet/bla.jsp