5回答

• 

  哈哈波哥

  2015-11-17 15:50:44

  我也遇到这样的问题 但觉得代码没问题
  

  0 0
• 

  好帮手慕珊

  2014-11-17 14:15:43

  亲，根据你的代码进行测试，代码是没有问题，项目部署之后，访问success.jsp，可直接跳转到Login.jsp.你看再试试
  

  
  

  1 0

  emily_...

  我试了，还是可以，一样的会直接跳转到success.jsp页面，会输入这个界面的内容，我换个浏览器，清空了一切记录，再输入登陆界面，它一样不会跳转到Login.jsp页面。。。请帮我解决一哈，谢谢。。。

  2014-11-17 17:07:57

  共 1 条回复 >

• 

  工作QQ_0004

  2014-11-17 11:29:49

  百度一下，你就知道
  

  0 0
• 

  emily_yq

  2014-11-17 11:22:11

  <?xml version="1.0" encoding="UTF-8"?>
  <web-app version="3.0"
      xmlns="http://java.sun.com/xml/ns/javaee"
      xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
      xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd">
    <servlet>
      <description>This is the description of my J2EE component</description>
      <display-name>This is the display name of my J2EE component</display-name>
      <servlet-name>first</servlet-name>
      <servlet-class>com.imcoo.first</servlet-class>
    </servlet>
    <servlet-mapping>
      <servlet-name>first</servlet-name>
      <url-pattern>/servlet/first</url-pattern>
    </servlet-mapping>
      <filter>
          <filter-name>firstfilter</filter-name>
          <filter-class>com.imcoo.firstfilter</filter-class>
          <init-param>
              <param-name>noLoginPath</param-name>
              <param-value>Login.jsp;fail.jsp;first</param-value>
          </init-param>
      </filter>
      <filter-mapping>
          <filter-name>firstfilter</filter-name>
          <url-pattern>/*</url-pattern>
      </filter-mapping>

  </web-app>

   

   

  package com.imcoo;

  import java.io.IOException;
  import java.util.Enumeration;

  import javax.servlet.Filter;
  import javax.servlet.FilterChain;
  import javax.servlet.FilterConfig;
  import javax.servlet.ServletException;
  import javax.servlet.ServletRequest;
  import javax.servlet.ServletResponse;
  import javax.servlet.http.HttpServletRequest;
  import javax.servlet.http.HttpServletResponse;
  import javax.servlet.http.HttpSession;

  public class firstfilter implements Filter {
      private FilterConfig config;
   @Override
   public void destroy() {
    // TODO Auto-generated method stub

   }

   @Override
   public void doFilter(ServletRequest arg0, ServletResponse arg1,
     FilterChain arg2) throws IOException, ServletException {
        HttpServletRequest request=(HttpServletRequest) arg0;
        HttpServletResponse response=(HttpServletResponse) arg1;
        HttpSession session=request.getSession();
        String noLoginPath=config.getInitParameter("noLoginPath");
        if(noLoginPath!=null){
         String[] array=noLoginPath.split(";");
         for(int i=0;i<array.length;i++){
          if(array[i]==null||"".equals(array[i])) continue;
          if(request.getRequestURI().indexOf(array[i])!=-1){
           arg2.doFilter(arg0, arg1);
           return;
          }
          
         }
         
        }
        if(session.getAttribute("name")!=null){
         arg2.doFilter(arg0, arg1);
        }
      
        else{
         response.sendRedirect(request.getContextPath()+"/Login.jsp");
        }
        System.out.println(session.getAttribute("name"));
   }

   @Override
   public void init(FilterConfig arg0) throws ServletException {
    // TODO Auto-generated method stub
            config=arg0;
   }

  }
  

  package com.imcoo;

  import java.io.IOException;
  import java.util.Enumeration;

  import javax.servlet.Filter;
  import javax.servlet.FilterChain;
  import javax.servlet.FilterConfig;
  import javax.servlet.ServletException;
  import javax.servlet.ServletRequest;
  import javax.servlet.ServletResponse;
  import javax.servlet.http.HttpServletRequest;
  import javax.servlet.http.HttpServletResponse;
  import javax.servlet.http.HttpSession;

  public class firstfilter implements Filter {
      private FilterConfig config;
   @Override
   public void destroy() {
    // TODO Auto-generated method stub

   }

   @Override
   public void doFilter(ServletRequest arg0, ServletResponse arg1,
     FilterChain arg2) throws IOException, ServletException {
        HttpServletRequest request=(HttpServletRequest) arg0;
        HttpServletResponse response=(HttpServletResponse) arg1;
        HttpSession session=request.getSession();
        String noLoginPath=config.getInitParameter("noLoginPath");
        if(noLoginPath!=null){
         String[] array=noLoginPath.split(";");
         for(int i=0;i<array.length;i++){
          if(array[i]==null||"".equals(array[i])) continue;
          if(request.getRequestURI().indexOf(array[i])!=-1){
           arg2.doFilter(arg0, arg1);
           return;
          }
          
         }
         
        }
        if(session.getAttribute("name")!=null){
         arg2.doFilter(arg0, arg1);
        }
      
        else{
         response.sendRedirect(request.getContextPath()+"/Login.jsp");
        }
        System.out.println(session.getAttribute("name"));
   }

   @Override
   public void init(FilterConfig arg0) throws ServletException {
    // TODO Auto-generated method stub
            config=arg0;
   }

  }
  

  0 0
• 

  好帮手慕珊

  2014-11-17 11:20:38

  亲，把配置文件和过滤器的代码贴出来看看吧

  1 0

  emily_...

  请帮我看看吧。。谢谢

  2014-11-17 11:22:57

  共 1 条回复 >