家居网购（javaweb开发）

package com.al_tair.shop.web.controller.method2; import com.al_tair.shop.domain.Member; import com.al_tair.shop.service.MemberService; import com.al_tair.shop.service.impl.MemberServiceImpl; import com.google.gson.Gson; import javax.servlet.ServletException; import javax.servlet.annotation.WebServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import javax.servlet.http.HttpSession; import javax.xml.crypto.Data; import java.io.IOException; import java.time.LocalDateTime; import java.util.Date; import java.util.HashMap; import java.util.Map; import java.util.regex.Pattern; import static com.google.code.kaptcha.Constants.KAPTCHA_SESSION_DATE; import static com.google.code.kaptcha.Constants.KAPTCHA_SESSION_KEY; /** * @author Al_tair * @date 2022/5/16-20:37 */ @WebServlet(name = "MemberServlet",urlPatterns = {"/memberServlet"}) public class MemberServlet extends BasicServlet { MemberService loginMemberUser = new MemberServiceImpl(); /** * 校验是否存在用户 * * @param request * @param response */ protected void IsExistUser(HttpServletRequest request, HttpServletResponse response) throws IOException { String username = request.getParameter("username"); Gson gson = new Gson(); boolean existUser = loginMemberUser.isExistUser(username); Map<String,Object> result = new HashMap<>(); result.put("IsExistUser",existUser); response.getWriter().write(gson.toJson(result)); } /** * 用户登录 * * @param request * @param response * @throws IOException * @throws ServletException */ protected void login(HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException { HttpSession session = request.getSession(); if(session.getAttribute("username") != null){ response.sendRedirect(getServletContext().getContextPath() + "/index.jsp"); return; } String username = request.getParameter("username"); String password = request.getParameter("password"); String code = request.getParameter("code"); request.setAttribute("username",username); // 用户名格式校对 String pattern = "^[a-zA-Z0-9_]{6,10}$"; if(!Pattern.matches(pattern,username)){ System.out.println("用户名格式不正确"); request.setAttribute("errorMsg","用户名格式错误!"); request.getRequestDispatcher("/views/member/login.jsp").forward(request,response); return; } // 密码格式校对 pattern = "^[a-zA-Z0-9_]{6,10}$"; if(!Pattern.matches(pattern,password)){ System.out.println("密码格式不正确"); request.setAttribute("errorMsg","密码格式错误!"); request.getRequestDispatcher("/views/member/login.jsp").forward(request,response); return; } // 获取验证码 Object realCode = session.getAttribute(KAPTCHA_SESSION_KEY); Object date = session.getAttribute(KAPTCHA_SESSION_DATE); // 立即删除session中该属性 session.removeAttribute(KAPTCHA_SESSION_KEY); if(realCode == null || code == null || !code.equalsIgnoreCase((String)realCode)){ System.out.println(code); System.out.println(realCode); request.setAttribute("errorMsg","验证码不正确!"); System.out.println("验证码不正确"); request.getRequestDispatcher("/views/member/login.jsp").forward(request,response); return; } Member loginUser = loginMemberUser.login(username, password); if(loginUser == null){ request.setAttribute("errorMsg","登录失败!"); request.getRequestDispatcher("/views/member/login.jsp").forward(request,response); }else if(loginUser.getUserState() != 0){ request.setAttribute("errorMsg","请使用管理员登录!"); request.getRequestDispatcher("/views/member/login.jsp").forward(request,response); }else{ System.out.println("登录成功! username: " + username); session.setMaxInactiveInterval(60*60*20*7); session.setAttribute("username",username); session.setAttribute("password",password); session.setAttribute("userState",0); response.sendRedirect(getServletContext().getContextPath() + "/views/member/login_ok.jsp"); } } /** * 用户注册 * * @param request * @param response * @throws IOException */ protected void register(HttpServletRequest request, HttpServletResponse response) throws IOException { String username = request.getParameter("username"); String password = request.getParameter("password"); String repassword = request.getParameter("repassword"); String email = request.getParameter("email"); String code = request.getParameter("code"); // 后端校验 if(username == null || password == null || email == null || repassword == null){ response.sendRedirect(getServletContext().getContextPath() + "/views/member/register_fail.jsp"); return; } // 用户名格式校对 String pattern = "^[a-zA-Z0-9_]{6,10}$"; if(Pattern.matches(pattern,username)){ System.out.println("用户名格式正确"); }else{ System.out.println("用户名格式不正确"); response.sendRedirect(getServletContext().getContextPath() + "/views/member/register_fail.jsp"); return; } // 密码格式校对 pattern = "^[a-zA-Z0-9_]{6,10}$"; if(Pattern.matches(pattern,password)){ System.out.println("密码格式正确"); }else{ System.out.println("密码格式不正确"); response.sendRedirect(getServletContext().getContextPath() + "/views/member/register_fail.jsp"); return; } if(!password.equals(repassword)){ System.out.println("输入两次密码不相同!"); response.sendRedirect(getServletContext().getContextPath() + "/views/member/register_fail.jsp"); return; } // 邮箱格式校对 pattern = "\\w+@\\w+\\.[a-z]+(\\.[a-z]+)?"; if(Pattern.matches(pattern,email)){ System.out.println("邮箱格式正确"); }else{ System.out.println("邮箱格式不正确"); response.sendRedirect(getServletContext().getContextPath() + "/views/member/register_fail.jsp"); return; } // 获取验证码 HttpSession session = request.getSession(); Object realCode = session.getAttribute(KAPTCHA_SESSION_KEY); Object date = session.getAttribute(KAPTCHA_SESSION_DATE); // 立即删除session中该属性 session.removeAttribute(KAPTCHA_SESSION_KEY); if(realCode == null || code == null || !code.equalsIgnoreCase((String)realCode)){ System.out.println("验证码不正确"); response.sendRedirect(getServletContext().getContextPath() + "/views/member/register_fail.jsp"); return; } LocalDateTime localDateTime = LocalDateTime.now(); Member member = new Member(username, password, email, (byte) 0); MemberService registeredMemberUsers = new MemberServiceImpl(); if(!registeredMemberUsers.registerUser(member)){ System.out.println("注册失败"); response.sendRedirect(getServletContext().getContextPath() + "/views/member/register_fail.jsp"); return; } System.out.println("注册成功"); response.sendRedirect(getServletContext().getContextPath() + "/views/member/register_ok.jsp"); } protected void ManageLogin(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { HttpSession session = request.getSession(); if(session.getAttribute("username") !=