menuxmlservlet.java

这是一个ajax动态权限菜单,还是比较可以,大家看一下嘛

package business;

import javax.servlet.*;
import javax.servlet.http.*;
import java.io.*;
import java.util.*;
import bean.UserLoginInfo;

public class MenuXMLservlet
    extends HttpServlet {
  private static final String CONTENT_TYPE = "text/xml;charset=UTF-8";

  //Initialize global variables
  public void init() throws ServletException {
  }

  //Process the HTTP Get request
  public void doGet(HttpServletRequest request, HttpServletResponse response) throws
      ServletException, IOException {
    response.setContentType(CONTENT_TYPE);
    response.setCharacterEncoding("UTF-8");
    request.setCharacterEncoding("UTF-8");
    HttpSession session = request.getSession();
    UserLoginInfo userLoginInfo = (UserLoginInfo)session.getAttribute("userLoginInfo");
    if(userLoginInfo==null){
      response.sendRedirect("error.html");
    }else{
      Buesiness bue = new Buesiness();
      String XML = "";
      try {
        XML = bue.getXML(userLoginInfo.getRoleId());
      }
      catch (Exception ex) {
        ex.printStackTrace();
      }
      System.out.println("XML="+XML);
      PrintWriter out = response.getWriter();
      out.print(XML);
      out.close();
    }
  }

  //Process the HTTP Post request
  public void doPost(HttpServletRequest request, HttpServletResponse response) throws
      ServletException, IOException {
    doGet(request, response);
  }

  //Clean up resources
  public void destroy() {
  }
}