请选择>
浙江>
江苏>




二、servlet源程序

package com.stephen.servlet;
import java.io.IOException;
import java.io.PrintWriter;
import org.dom4j.*;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
* @author stephen
*
* TODO To change the template for this generated type comment go to Window -
* Preferences - Java - Code Style - Code Templates
*/
public class SelectCityServlet extends HttpServlet {

public SelectCityServlet() {
super();
}

public void destroy() {
super.destroy();
}

public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {

response.setCharacterEncoding("UTF8");
response.setContentType("text/xml");
response.setHeader("Cache-Control", "no-cache");
String state = request.getParameter("state");

Document document = DocumentHelper.createDocument();

Element root = document.addElement("state");

Element city = null;
if("zj".equals(state)){
city = root.addElement("city");
city.setText("杭州");
city = root.addElement("city");
city.setText("huzhou");
}else{
city = root.addElement("city");
city.setText("南京");
city = root.addElement("city");
city.setText("苏州");
city = root.addElement("city");
city.setText("yangzhou");
}

PrintWriter out=response.getWriter();
String s = root.asXML();

out.write(s);
out.close();
}

}