package com.hopetesting.web.servlet;import com.hopetesting.dao.UserDao;import com.hopetesting.domain.User;import org.apache.commons.beanutils.BeanUtils;import javax.servlet.ServletException;import javax.servlet.annotation.WebServlet;import javax.servlet.http.HttpServlet;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;import java.io.IOException;import java.lang.reflect.InvocationTargetException;import java.util.Map;/** * @author newcityman * @date 2019/9/1 - 0:24 */@WebServlet("/loginServlet")public class LoginServlet extends HttpServlet {protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {// 1、设置编码 request.setCharacterEncoding("utf-8");/*// 获取请求数据 String username = request.getParameter("username"); String password = request.getParameter("password");// 3、封装user对象 User loginUser = new User(); loginUser.setPassword(password); loginUser.setUsername(username);*/ User loginUser = new User(); try { Map<String, String[]> map = request.getParameterMap(); /* Set<String> strings = map.keySet(); for (String string : strings) { System.out.println(string); String[] values = map.get(string); for (String v : values) { System.out.println(v); } System.out.println("==============="); }*/ BeanUtils.populate(loginUser,map); } catch (IllegalAccessException e) { e.printStackTrace(); } catch (InvocationTargetException e) { e.printStackTrace(); }// 4、调用userdao的login方法 UserDao userDao = new UserDao(); User user = userDao.login(loginUser); if (user==null){// 登陆失败// 转发 request.getRequestDispatcher("/failServlet").forward(request,response); }else{// 登录成功// 存储数据 request.setAttribute("user",user);// 转发 request.getRequestDispatcher("/successServlet").forward(request,response); } }protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {this.doPost(request,response); }}
转载于:https://www.cnblogs.com/newcityboy/p/11441255.html
