Filter: Filter

Filter Configuration

1 interception path configuration

  1) Specific resource path:. /Index.jsp only access index.jsp resources, the filter will be executed

  2) block a directory: all resources / user / * in the access / user, the filter will be performed

  3) extension interception:. * Jsp jsp called when suffix access to all resources, the filter will be performed

  4) intercept all resources: / * to access all resources, will be blocked

2 intercept mode configurations: the way resources are accessed

  1) Configuration Notes: dispatcherTypes

    REQUEST: defaults browser directly request resources

    FORWARD: Forwarding access to resources

    INCLUDE: includes access to resources

    ERROR: error Jump Resources

    ASYNC: step access to resources

  2).web.xml配置<dispatcher></dispatcher>

Filter chain (U Shield Acura filter configuration)

The order of execution: go one way, round-trip route

Configuration Notes: In accordance with string comparison, the smaller first execution

web.xml: <filter-mapping> who defines who should perform in the top

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Origin www.cnblogs.com/lemon--/p/11277430.html