package filter;

import javax.servlet.*;

import java.io.IOException;

/**

* @author ： CodeWater

* @create ：2022-03-18-12:27

* @Function Description ：

*/

//@WebFilter( value="/*" , dispatcherTypes = DispatcherType.REQUEST )

// 直接请求访问index会过滤掉；通过updateServlet访问就不会过滤掉

//只有转发访问index.jsp时，该过滤器才会被执行

//@WebFilter( value="/index.jsp" , dispatcherTypes = DispatcherType.FORWARD)

//浏览器直接请求index.jsp或者转发访问index.jsp。该过滤器才会被执行

//@WebFilter( value="/*" , dispatcherTypes = {DispatcherType.FORWARD , DispatcherType.REQUEST})

public class FilterDemo05 implements Filter {

public void doFilter(ServletRequest req, ServletResponse resp, FilterChain chain) throws ServletException, IOException {

System.out.println("filterDemo05.....");

chain.doFilter(req, resp);

}

public void init(FilterConfig config) throws ServletException {

}

public void destroy() {

}

}