servlet：

package ajaxtest;import javax.servlet.*;import javax.servlet.http.*;import java.io.*;import java.util.*;import com.common.CityBo;public class SelectServlet 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 {        System.out.println("--> selectListServlet");        response.setContentType(CONTENT_TYPE);        PrintWriter out = response.getWriter();        String provinceId=request.getParameter("province");        String sql="select * from city where provinceid="+provinceId;        CityBo bo=new CityBo();        List list=bo.selectCityList(sql);        StringBuffer buffer=new StringBuffer("
    
    
     ");        for(int i=0;i
     
      ");            buffer.append(((String[])list.get(i))[1]);            buffer.append("");        }        buffer.append("
     
    ");        System.out.println(buffer.toString());        out.print(buffer.toString());        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() {    }}

 jsp：

    
    
    
    
    
     
      
       
        
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