HttpServletRequest is an interface class, inherited from ServletRequest, and there are many new interface method, getRemoteUser () method and getUserPrincipal () method on one of them. Many web-based project will be defined HttpServletRequest implementation class, such as shiro in ShiroHttpServletRequest, its implementation process and also getRemoteUser getUserPrincipal methods were achieved.
GetUserPrincipal method and the HttpServletRequest getRemoteUser
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Origin www.cnblogs.com/atai/p/11078287.html
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