银行营业网点管理系统——Servlet包（CityAreaServlet ）

package BranchesMgr.servlet;
/**
 * 城区表的Servlet
 */
import java.io.IOException;
import java.io.PrintWriter;
import java.util.List;

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

import BranchesMgr.dao.CityAreaDao;
import BranchesMgr.dao.impl.CityAreaDaoImpl;
import BranchesMgr.entity.CityArea;

public class CityAreaServlet extends HttpServlet {
	CityAreaDao citydao=new CityAreaDaoImpl();
	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {

		response.setContentType("text/html;charset=utf-8");
		PrintWriter out = response.getWriter();
		request.setCharacterEncoding("utf-8");
		String cityname=request.getParameter("cityname");
			//查询所有的城区
			getAllCity(request,response);
			request.setAttribute("cityname", cityname);
		request.getRequestDispatcher("updateBreaches.jsp").forward(request, response);
		
	
	}
	//查询所有
	private void getAllCity(HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException{
		PrintWriter out = response.getWriter();
		List<CityArea>clist=citydao.getCityArea();
		request.setAttribute("clist", clist);
		
	}
	

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

		doGet(request, response);
	}

}