毕业设计：在线阅读系统论文（源码 + 数据库 + 说明文档）

package com.zyy.book.controller; import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper; import com.zyy.book.component.UserInterceptor; import com.zyy.book.entity.*; import com.zyy.book.exception.MyException; import com.zyy.book.output.MyMsg; import com.zyy.book.service.*; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.util.DigestUtils; import org.springframework.util.StringUtils; import org.springframework.web.bind.annotation.*; import org.springframework.web.servlet.ModelAndView; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import javax.servlet.http.HttpSession; import java.io.IOException; import java.math.BigDecimal; import java.text.ParseException; import java.text.SimpleDateFormat; import java.time.LocalDateTime; import java.time.ZoneOffset; import java.util.Calendar; import java.util.Date; /** * <p> * 前端控制器 * </p> * * @author zyy * @since 2021-02-23 */ @RestController @RequestMapping("/user") public class UserController { @Autowired private IUserService userService; @Autowired private IOrderService orderService; @Autowired private IRechargeService rechargeService; @Autowired private IBookService bookService; @Autowired private IBookChapterService bookChapterService; @RequestMapping(method = RequestMethod.GET, path = "/logout") public void logout(HttpServletRequest request, HttpServletResponse response) throws IOException { HttpSession session = request.getSession(); session.removeAttribute(UserInterceptor.USER_SESSION_KEY); response.sendRedirect("/"); } @RequestMapping(method = RequestMethod.GET, path = "/login") public ModelAndView login() { return new ModelAndView("home/user/login"); } @RequestMapping(method = RequestMethod.POST, path = "/login") public MyMsg loginPost(@RequestParam String username, @RequestParam String password, HttpServletRequest request) throws MyException { QueryWrapper<User> userQueryWrapper = new QueryWrapper<>(); userQueryWrapper.eq("username", username); User user = userService.getOne(userQueryWrapper); if (user == null) { throw new MyException("用户或密码不正确"); } if (!user.getPassword().equals(DigestUtils.md5DigestAsHex(password.getBytes()))) { throw new MyException("用户或密码不正确"); } HttpSession session = request.getSession(); session.setAttribute(UserInterceptor.USER_SESSION_KEY, user); /*更新时间*/ user.setUpdatedAt(LocalDateTime.now()); userService.saveOrUpdate(user); return new MyMsg(MyMsg.SUCCESS, "登陆成功"); } @RequestMapping(method = RequestMethod.GET, path = "/reg") public ModelAndView reg() { return new ModelAndView("home/user/reg"); } @RequestMapping(method = RequestMethod.POST, path = "/reg") public MyMsg regPost(@RequestBody User user) throws MyException { if (!StringUtils.hasText(user.getUsername()) || !StringUtils.hasText(user.getPassword())) { throw new MyException("用户名或密码不能为空"); } QueryWrapper<User> userQueryWrapper = new QueryWrapper<>(); userQueryWrapper.eq("username", user.getUsername()); int count = userService.count(userQueryWrapper); if (count > 0) { throw new MyException("用户名已存在"); } if (user.getPhone().length() != 11) { throw new MyException("手机号码长度为11位"); } user.setPassword(DigestUtils.md5DigestAsHex(user.getPassword().getBytes())); user.setBalance(new BigDecimal(0)); boolean save = userService.save(user); if (!save) { throw new MyException("注册失败"); } return new MyMsg(MyMsg.SUCCESS, "", user); } @RequestMapping(method = RequestMethod.GET, path = "/index") public ModelAndView index() { return new ModelAndView("home/user/index"); } @RequestMapping(method = RequestMethod.POST, path = "/vip") public MyMsg vip(HttpServletRequest request) throws MyException { HttpSession session = request.getSession(); User user1 = (User) session.getAttribute(UserInterceptor.USER_SESSION_KEY); User user = userService.getById(user1.getId()); if (user.getVipExpirationAt() != null && user.getVipExpirationAt().isAfter(LocalDateTime.now())) { throw new MyException("会员未过期"); } if (user.getBalance().compareTo(new BigDecimal(100)) < 0) { throw new MyException("开通VIP余额不足 ￥" + User.VIP_PRICE); } user.setBalance(user.getBalance().subtract(new BigDecimal(User.VIP_PRICE))); Calendar calendar = Calendar.getInstance(); calendar.setTime(new Date()); calendar.add(Calendar.YEAR, 1); LocalDateTime localDateTime = LocalDateTime.ofInstant(calendar.toInstant(), ZoneOffset.systemDefault()); user.setVipExpirationAt(localDateTime); userService.saveOrUpdate(user); return new MyMsg(MyMsg.SUCCESS, "开通成功", user); } @RequestMapping(method = RequestMethod.GET, path = "/info") public ModelAndView info(HttpServletRequest request) { HttpSession session = request.getSession(); User user1 = (User) session.getAttribute(UserInterceptor.USER_SESSION_KEY); User user = userService.getById(user1.getId()); return new ModelAndView("home/user/info", "user", user); } @RequestMapping(method = RequestMethod.POST, path = "/info") public MyMsg infoPost(@RequestParam String gender, @RequestParam String birthday, @RequestParam String phone, HttpServletRequest request) throws MyException, ParseException { if (phone == null || phone.length() != 11) { throw new MyException("手机号必须为11位"); } HttpSession session = request.getSession(); User user1 = (User) session.getAttribute(UserInterceptor.USER_SESSION_KEY); User user = userService.getById(user1.getId()); user.setGender(gender); SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd"); user.setBirthday(simpleDateFormat.parse(birthday)); user.setPhone(phone); userService.saveOrUpdate(user); return new MyMsg(MyMsg.SUCCESS, "操作成功"); } @RequestMapping(method = RequestMethod.GET, path = "/recharge") public ModelAndView recharge(HttpServletRequest request) { HttpSession session = request.getSession(); User user1 = (User) session.getAttribute(UserInterceptor.USER_SESSION_KEY); User user = userService.getById(user1.getId()); ModelAndView view = new ModelAndView(); view.setViewName("home/user/recharge"); view.addObject("user", user); view.addObject("vipPrice", User.VIP_PRICE); return view; } @RequestMapping(method = RequestMethod.POST, path = "/recharge") public MyMsg recharge(@RequestParam BigDecimal balance, HttpServletRequest request) throws MyException { if (balance.compareTo(BigDecimal.ZERO) < 0) { throw new MyException("金额必须大于0"); } HttpSession session = request.getSession(); User user1 = (User) session.getAttribute(UserInterceptor.USER_SESSION_KEY); User user = userService.getById(user1.getId()); if (user.getBalance() == null) { user.setBalance(new BigDecimal(0)); } BigDecimal newBalance = user.getBalance().add(balance); user.setBalance(newBalance); userService.saveOrUpdate(user); /*log*/ Recharge recharge = new Recharge()