過濾器的正確打開方式

原創 chitry_ 2018-08-27 19:58 



<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd" id="WebApp_ID" version="3.0">
  <display-name>ROOT</display-name>
<!-- 權限攔截器  -->  
    <filter>  
        <filter-name>LimitsFilter</filter-name>  
        <filter-class>com.lg.filter.LimitsFilter</filter-class>  
        <init-param>  
            <param-name>encoding</param-name>  
            <param-value>UTF-8</param-value>  
        </init-param>
        <!-- 初始化指定需要進行特殊權限攔截的頁面 -->  
        <init-param>  
            <param-name>ZXLOVE</param-name>  
            <param-value>/jsp/list/zxnet/zxlove/zxlove.htm</param-value>  
        </init-param>  
        <init-param>  
            <param-name>ZXSB</param-name>  
            <param-value>/jsp/list/zxnet/zxsb/1.html</param-value>  
        </init-param>  
        <init-param>  
            <param-name>CZ</param-name>  
            <param-value>/jsp/list/zxnet/cz/1.html</param-value>  
        </init-param>  
        <init-param>  
            <param-name>QLS</param-name>  
            <param-value>/jsp/list/photos/qls/index.html</param-value>  
        </init-param>  
        <init-param>  
            <param-name>XDH</param-name>  
            <param-value>/jsp/list/photos/xdh/index.html</param-value>  
        </init-param> 
        <init-param>  
            <param-name>MA</param-name>  
            <param-value>/jsp/others/backmanage/index.jsp</param-value>  
        </init-param> 
    </filter>  
    <filter-mapping>  
        <filter-name>LimitsFilter</filter-name>  
        <url-pattern>/jsp/others/about/*</url-pattern> 
        <url-pattern>/jsp/others/backmanage/*</url-pattern> 
        <url-pattern>/jsp/others/blog/*</url-pattern> 
        <url-pattern>/jsp/others/share/main.jsp</url-pattern> 
        <url-pattern>/jsp/others/webnote/*</url-pattern> 
        <url-pattern>/jsp/others/ChatingRoom/index.jsp</url-pattern>
        
        <url-pattern>/jsp/list/zxnet/*</url-pattern>  
        
        <url-pattern>/jsp/list/photos/*</url-pattern>  
        
        
    </filter-mapping>  
    
    
    <!-- 聊天室字符集過濾器 -->
   <filter>
        <filter-name>CharacterEncodingFilter</filter-name>
        <filter-class>com.lg.chat.filter.CharacterEncodingFilter</filter-class>
        <init-param>
            <param-name>encoding</param-name>
            <param-value>UTF-8</param-value>
        </init-param>
    </filter>
    <filter-mapping>
        <filter-name>CharacterEncodingFilter</filter-name>
        <url-pattern>/*</url-pattern>
        <dispatcher>REQUEST</dispatcher>
        <dispatcher>FORWARD</dispatcher>
    </filter-mapping>
    
    
  
  
  <!-- 監聽器註冊 -->
  <listener>
  		<listener-class>
  			com.lg.chat.servlet.UserListener
  		</listener-class>
  </listener>
 
 
 
 <!-- 設置站內session默認生命週期：10min -->
<session-config>
      <session-timeout>10</session-timeout> 
      </session-config>
 
  
  <!-- 站內Error指定頁面跳轉 -->
 <error-page> 
        <error-code>400</error-code> 
        <location>/ehtml/400.jsp</location> 
  </error-page>
  <error-page> 
        <error-code>403</error-code> 
        <location>/ehtml/403.jsp</location> 
  </error-page>
  <error-page> 
        <error-code>404</error-code> 
        <location>/ehtml/404.jsp</location> 
  </error-page>
  <error-page> 
        <error-code>500</error-code> 
        <location>/ehtml/500.jsp</location> 
  </error-page>
  <error-page> 
        <error-code>502</error-code> 
        <location>/ehtml/502.jsp</location> 
  </error-page>
  <error-page> 
        <error-code>503</error-code> 
        <location>/ehtml/503.jsp</location> 
  </error-page>
  <error-page> 
        <error-code>504</error-code> 
        <location>/ehtml/504.jsp</location> 
  </error-page>
  <error-page> 
        <error-code>505</error-code> 
        <location>/ehtml/505.jsp</location> 
  </error-page>
<!--   <error-page> 
        <exception-type>java.lang.NullException</exception-type> 
        <location>/ehtml/nullerror.html</location> 
   </error-page>
  <error-page> 
        <exception-type>java.lang.IllegalArgumentException</exception-type> 
        <location>/ehtml/nullerror.html</location> 
   </error-page> -->
   
 
  <welcome-file-list>
    <welcome-file>index.jsp</welcome-file>
  </welcome-file-list>
</web-app>



package com.lg.filter;
 
import com.lg.entity.User;
import java.io.IOException;
import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;
 
public class LimitsFilter
  implements Filter
{
  private FilterConfig config;
 
  public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
    throws IOException, ServletException
  {
    String encoding = this.config.getInitParameter("encoding");
    String ZXLOVE = this.config.getInitParameter("ZXLOVE");
    String ZXSB = this.config.getInitParameter("ZXSB");
    String CZ = this.config.getInitParameter("CZ");
    String QLS = this.config.getInitParameter("QLS");
    String XDH = this.config.getInitParameter("XDH");
    String MA = this.config.getInitParameter("MA");
 
    request.setCharacterEncoding(encoding);
    HttpServletRequest requ = (HttpServletRequest)request;
    HttpSession session = requ.getSession(true);
 
    String requestPath = requ.getServletPath();
 
    if (session.getAttribute("user") == null)
    {
      request.getRequestDispatcher("/ehtml/nologin.jsp").forward(request, response);
    }
    else if ((session.getAttribute("user") != null) && ((requestPath.endsWith(ZXLOVE)) || (requestPath.endsWith(ZXSB)) || (requestPath.endsWith(CZ)) || (requestPath.endsWith(QLS)) || (requestPath.endsWith(XDH)) || (requestPath.endsWith(MA)))) {
      User user = (User)session.getAttribute("user");
      if ("A".equals(user.getQx()))
        chain.doFilter(request, response);
      else
        request.getRequestDispatcher("/ehtml/notenoughqx.jsp").forward(request, response);
    }
    else if ((session.getAttribute("user") != null) && (!requestPath.endsWith(ZXLOVE)) && (!requestPath.endsWith(ZXSB)) && (!requestPath.endsWith(CZ)) && (!requestPath.endsWith(QLS)) && (!requestPath.endsWith(XDH)) && (!requestPath.endsWith(MA))) {
      chain.doFilter(request, response);
    } else {
      request.getRequestDispatcher("/ehtml/500.jsp").forward(request, response);
    }
  }
 
  public void init(FilterConfig config)
    throws ServletException
  {
    this.config = config;
  }
 
  public void destroy() {
    this.config = null;
  }
}



<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd" id="WebApp_ID" version="3.0">
  <display-name>ROOT</display-name>
<!-- 權限攔截器  -->  
    <filter>  
        <filter-name>LimitsFilter</filter-name>  
        <filter-class>com.lg.filter.LimitsFilter</filter-class>  
        <init-param>  
            <param-name>encoding</param-name>  
            <param-value>UTF-8</param-value>  
        </init-param>
        <!-- 初始化指定需要進行特殊權限攔截的頁面 -->  
        <init-param>  
            <param-name>ZXLOVE</param-name>  
            <param-value>/jsp/list/zxnet/zxlove/zxlove.htm</param-value>  
        </init-param>  
        <init-param>  
            <param-name>ZXSB</param-name>  
            <param-value>/jsp/list/zxnet/zxsb/1.html</param-value>  
        </init-param>  
        <init-param>  
            <param-name>CZ</param-name>  
            <param-value>/jsp/list/zxnet/cz/1.html</param-value>  
        </init-param>  
        <init-param>  
            <param-name>QLS</param-name>  
            <param-value>/jsp/list/photos/qls/index.html</param-value>  
        </init-param>  
        <init-param>  
            <param-name>XDH</param-name>  
            <param-value>/jsp/list/photos/xdh/index.html</param-value>  
        </init-param> 
        <init-param>  
            <param-name>MA</param-name>  
            <param-value>/jsp/others/backmanage/index.jsp</param-value>  
        </init-param> 
    </filter>  
    <filter-mapping>  
        <filter-name>LimitsFilter</filter-name>  
        <url-pattern>/jsp/others/about/*</url-pattern> 
        <url-pattern>/jsp/others/backmanage/*</url-pattern> 
        <url-pattern>/jsp/others/blog/*</url-pattern> 
        <url-pattern>/jsp/others/share/main.jsp</url-pattern> 
        <url-pattern>/jsp/others/webnote/*</url-pattern> 
        <url-pattern>/jsp/others/ChatingRoom/index.jsp</url-pattern>
        
        <url-pattern>/jsp/list/zxnet/*</url-pattern>  
        
        <url-pattern>/jsp/list/photos/*</url-pattern>  
        
        
    </filter-mapping>  
    
    
    <!-- 聊天室字符集過濾器 -->
   <filter>
        <filter-name>CharacterEncodingFilter</filter-name>
        <filter-class>com.lg.chat.filter.CharacterEncodingFilter</filter-class>
        <init-param>
            <param-name>encoding</param-name>
            <param-value>UTF-8</param-value>
        </init-param>
    </filter>
    <filter-mapping>
        <filter-name>CharacterEncodingFilter</filter-name>
        <url-pattern>/*</url-pattern>
        <dispatcher>REQUEST</dispatcher>
        <dispatcher>FORWARD</dispatcher>
    </filter-mapping>
    
    
  
  
  <!-- 監聽器註冊 -->
  <listener>
  		<listener-class>
  			com.lg.chat.servlet.UserListener
  		</listener-class>
  </listener>
 
 
 
 <!-- 設置站內session默認生命週期：10min -->
<session-config>
      <session-timeout>10</session-timeout> 
      </session-config>
 
  
  <!-- 站內Error指定頁面跳轉 -->
 <error-page> 
        <error-code>400</error-code> 
        <location>/ehtml/400.jsp</location> 
  </error-page>
  <error-page> 
        <error-code>403</error-code> 
        <location>/ehtml/403.jsp</location> 
  </error-page>
  <error-page> 
        <error-code>404</error-code> 
        <location>/ehtml/404.jsp</location> 
  </error-page>
  <error-page> 
        <error-code>500</error-code> 
        <location>/ehtml/500.jsp</location> 
  </error-page>
  <error-page> 
        <error-code>502</error-code> 
        <location>/ehtml/502.jsp</location> 
  </error-page>
  <error-page> 
        <error-code>503</error-code> 
        <location>/ehtml/503.jsp</location> 
  </error-page>
  <error-page> 
        <error-code>504</error-code> 
        <location>/ehtml/504.jsp</location> 
  </error-page>
  <error-page> 
        <error-code>505</error-code> 
        <location>/ehtml/505.jsp</location> 
  </error-page>
<!--   <error-page> 
        <exception-type>java.lang.NullException</exception-type> 
        <location>/ehtml/nullerror.html</location> 
   </error-page>
  <error-page> 
        <exception-type>java.lang.IllegalArgumentException</exception-type> 
        <location>/ehtml/nullerror.html</location> 
   </error-page> -->
   
 
  <welcome-file-list>
    <welcome-file>index.jsp</welcome-file>
  </welcome-file-list>
</web-app>



package com.lg.filter;
 
import com.lg.entity.User;
import java.io.IOException;
import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;
 
public class LimitsFilter
  implements Filter
{
  private FilterConfig config;
 
  public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
    throws IOException, ServletException
  {
    String encoding = this.config.getInitParameter("encoding");
    String ZXLOVE = this.config.getInitParameter("ZXLOVE");
    String ZXSB = this.config.getInitParameter("ZXSB");
    String CZ = this.config.getInitParameter("CZ");
    String QLS = this.config.getInitParameter("QLS");
    String XDH = this.config.getInitParameter("XDH");
    String MA = this.config.getInitParameter("MA");
 
    request.setCharacterEncoding(encoding);
    HttpServletRequest requ = (HttpServletRequest)request;
    HttpSession session = requ.getSession(true);
 
    String requestPath = requ.getServletPath();
 
    if (session.getAttribute("user") == null)
    {
      request.getRequestDispatcher("/ehtml/nologin.jsp").forward(request, response);
    }
    else if ((session.getAttribute("user") != null) && ((requestPath.endsWith(ZXLOVE)) || (requestPath.endsWith(ZXSB)) || (requestPath.endsWith(CZ)) || (requestPath.endsWith(QLS)) || (requestPath.endsWith(XDH)) || (requestPath.endsWith(MA)))) {
      User user = (User)session.getAttribute("user");
      if ("A".equals(user.getQx()))
        chain.doFilter(request, response);
      else
        request.getRequestDispatcher("/ehtml/notenoughqx.jsp").forward(request, response);
    }
    else if ((session.getAttribute("user") != null) && (!requestPath.endsWith(ZXLOVE)) && (!requestPath.endsWith(ZXSB)) && (!requestPath.endsWith(CZ)) && (!requestPath.endsWith(QLS)) && (!requestPath.endsWith(XDH)) && (!requestPath.endsWith(MA))) {
      chain.doFilter(request, response);
    } else {
      request.getRequestDispatcher("/ehtml/500.jsp").forward(request, response);
    }
  }
 
  public void init(FilterConfig config)
    throws ServletException
  {
    this.config = config;
  }
 
  public void destroy() {
    this.config = null;
  }
}
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