508dda0ad727001d1166d0283e82af3e

客户关系管理系统主要管理新老客户的一些信息并可以发现潜在客户

package com.qrsx.crm.web;

import java.io.IOException;
import java.sql.SQLException;

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;


import com.qrsx.crm.dao.PrivilegeFilter;


public class privilegeFilter implements Filter {

	public void doFilter(ServletRequest request, ServletResponse response,
			FilterChain chain) throws IOException, ServletException{

		HttpServletRequest httpRequest = (HttpServletRequest) request;
		HttpServletResponse httpResponse = (HttpServletResponse) response;
	
		HttpSession session = httpRequest.getSession(false);
        String id = (String)session.getAttribute("currentrole");
		//Integer id = 11;
       
	    StringBuffer uri = httpRequest.getRequestURL();
        //String uri = httpRequest.getServletPath();
        
		String query = httpRequest.getQueryString();
		if (query != null) {
			uri.append(query);
		}
       PrivilegeFilter dao = new PrivilegeFilter();
      try{
    	  boolean checked = dao.check(id, uri);
    	  if(checked){
       	   chain.doFilter(httpRequest,httpResponse);
       	   }
          else{
        	  request.getRequestDispatcher("noprivilege.html").forward(request,response);
          }
      }catch(Exception e){
    	  e.printStackTrace();
      }
    	  
      
       
       
       
	}

	/**
	 * 初始化方法，可以读取配置文件中设置的配置参数
	 
	 */
	public void init(FilterConfig filterConfig) throws ServletException {

	}

	
	/**
	 * 用于释放过滤器所申请的资源
	*/
	public void destroy() {

	}
}