filterfont.java

新闻发布系统,界面简单

package com.filterFont;

import java.io.IOException;

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.HttpSession;
/**
 * 这是一个专门用来对请求和响应进行编码的过滤器
 * @author ACCP
 *
 */
public class FilterFont implements Filter {

	public void destroy() {
		// TODO Auto-generated method stub

	}
   /**
    * 处理编码的过滤过程
    */
	public void doFilter(ServletRequest request, ServletResponse response,
			FilterChain chain) throws IOException, ServletException {
		
		//处理请求编码
		request.setCharacterEncoding("utf-8");
		//处理响应编码path.equals("/Homepage.html")||path.equals("/Manager.html")|path.equals("/ManagerSelect.do")|path.equals("/NewsTypeInsert.html")
		//|path.equals("/NewsTypePage.do2")|path.equals("/News.do3")|path.equals("/NewsAll.do3"))
		response.setContentType("text/html;charset=utf-8");
		HttpServletRequest re=(HttpServletRequest)request;
		String path=re.getServletPath();
		System.out.println("当前您所访问的页面是:"+path);
		HttpSession session=re.getSession();
		String mname=(String)session.getAttribute("mname");
		String nt3=(String)session.getAttribute("nt3");
		//System.out.println("过滤器中的图片:"+nt3);
		//System.out.println("登陆的用户名是:"+mname);
		if(mname!=null|path.equals("/toManagerupdate2.do")|path.equals("/NewsReplyinsert2.do4")|path.equals("/NewsSelect3.do3")|path.equals("/NewsReplyinsert.do4")|path.equals("/Homepage4.jpg")|path.equals("/NewsSelectPage.do3")|path.equals("/Top10News.do3")|path.equals("/Top10News.jsp")|path.equals("/img/"+nt3)|path.equals("/NewsSelect.do3")|path.equals("/News.jsp")|path.equals("/DenLu.jsp")|path.equals("/PassWordServlet")|path.equals("/Eoeer.jsp")|path.equals("/NewsSelect.jsp"))
			
		{
			chain.doFilter(request, response);
		}
		else
		{
			request.setAttribute("eoor","您好,请用管理员的身份登陆后,才允许进入后台数据管理");
    		request.setAttribute("path","DenLu.jsp");
    		request.getRequestDispatcher("Eoeer.jsp").forward(request, response);
    		return;
		}
		
       //处理请求编码
		request.setCharacterEncoding("utf-8");
		//处理响应编码
		response.setContentType("text/html;charset=utf-8");

	}

	public void init(FilterConfig arg0) throws ServletException {
		// TODO Auto-generated method stub

	}

}