汽车租赁管理系统/carRentalSystem/src/com/bluedot/web/usermanagerservlet/PreChangeUserPwd.java

微信扫码关注公众号，代码整理好后第一时间通知你。

package com.bluedot.web.usermanagerservlet;

import java.io.IOException;
import java.io.PrintWriter;

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

import com.bluedot.common.Constants;
import com.bluedot.domain.User;
import com.bluedot.exception.ApplicationException;
import com.bluedot.exception.DataAccessException;
import com.bluedot.service.UserManager;
import com.bluedot.service.impl.UserManagerImpl;

public class PreChangeUserPwd extends HttpServlet {

	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		this.doPost(request, response);
	}

	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		String userName = request.getParameter("userName");
		try {
			UserManager um = new UserManagerImpl();
			User user = um.preUpdateUser(userName);
			request.setAttribute("user", user);
			request.getRequestDispatcher("userManager/chengeUserPwd.jsp").forward(request, response);
		} catch (DataAccessException e) {
			request.setAttribute(Constants.MESSAGE_KEY, e.getMessage());
			request.getRequestDispatcher("error.jsp")
					.forward(request, response);
			e.printStackTrace();
		} catch (ApplicationException e) {
			response.sendRedirect("appError.jsp");
			e.printStackTrace();
		} catch (Exception e) {
			response.sendRedirect("appError.jsp");
			e.printStackTrace();
		}
	}

}