基于JavaWeb的作业管理网站.zip

package com.gdes.web.session; import com.gdes.domain.User; import com.gdes.service.UserService; import com.gdes.service.impl.UserServiceImpl; 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 javax.servlet.http.HttpSession; import java.io.IOException; import java.lang.reflect.InvocationTargetException; import java.util.Map; @WebServlet("/logInServlet") public class LogInServlet extends HttpServlet { protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { //1.设置request编码 request.setCharacterEncoding("utf-8"); //2.获取数据 //String username = request.getParameter("username"); //String password = request.getParameter("password"); String verifycode = request.getParameter("verifycode"); //3.1获取生成的验证码 HttpSession session = request.getSession(); String verifyCode_session = (String) session.getAttribute("verifyCode_session"); //删除sessin中存储的验证码 session.removeAttribute("verifyCode_session"); //3.2判断验证码是否正确，忽略大小写 if (verifyCode_session != null && verifyCode_session.equalsIgnoreCase(verifycode)){ //3.2.1验证码正确，判断账号密码是否正确 //3.2.2 Map<String, String[]> map = request.getParameterMap(); //2.1封装User对象 User user = new User(); try { BeanUtils.populate(user, map); } catch (IllegalAccessException e) { e.printStackTrace(); } catch (InvocationTargetException e) { e.printStackTrace(); } //2.2调用Service查询 UserService service = new UserServiceImpl(); User loginUser = service.login(user); //3.2.2查询sql （需要修改！！！） if (loginUser != null){ //登陆成功 session.setAttribute("user", loginUser); //重定向到首页index.jsp response.sendRedirect(request.getContextPath()+"/index.jsp"); }else { //登陆失败 request.setAttribute("login_error", "用户名或密码错误"); //转发到登陆页面 request.getRequestDispatcher("/login.jsp").forward(request,response); } }else{ //验证码不正确 request.setAttribute("vc_error", "验证码错误"); //转发到登陆页面 request.getRequestDispatcher("/login.jsp").forward(request,response); } } protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { this.doPost(request, response); } }