模仿计算机等级考试系统：大三(2018-2019)上学期，软件工程课程设计，此项目使用的技术：后台框_rankexam.zip

package cn.junhui.springboot.controller; import cn.junhui.springboot.bean.*; import cn.junhui.springboot.service.ItemsService; import cn.junhui.springboot.service.LanguageService; import cn.junhui.springboot.service.PaperService; import cn.junhui.springboot.service.UserService; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Controller; import org.springframework.ui.Model; import org.springframework.util.DigestUtils; import org.springframework.web.bind.annotation.*; import org.springframework.web.multipart.MultipartFile; import org.springframework.web.servlet.ModelAndView; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpSession; import java.io.File; import java.io.FileOutputStream; import java.io.IOException; import java.util.*; /** * 军辉 * 2018-10-15 22:19 */ @Controller("/user") public class UserController { @Autowired private UserService userService; @Autowired private LanguageService languageService; @Autowired private PaperService paperService; @Autowired private ItemsService itemsService; private User currentUser = null; @GetMapping("/") public ModelAndView index() { return new ModelAndView("login"); } @GetMapping("/toRegister") public ModelAndView toRegisterPage() { return new ModelAndView("register"); } @GetMapping("/toLogin") public ModelAndView toLoginPage() { System.out.println("start --------------"); return new ModelAndView("login"); } /* 注册 */ @PostMapping(value = "/register") public ModelAndView register(Model model, User user) { System.out.println("手机号长度：" + user.getPhone().length()); System.out.println("姓名长度：" + user.getName().length()); System.out.println("密码长度：" + user.getPassword().length()); if ((user.getName().length() < 2 || user.getName().length() > 10) || (user.getPhone().length() != 11) || (user.getPassword().length() < 6 || user.getPassword().length() > 16) ) { System.out.println("有错"); if ((user.getName().length() < 2 || user.getName().length() > 10)) { model.addAttribute("nameError", "用户名长度在2到10个字符之间"); } if (user.getPhone().length() != 11) { model.addAttribute("phoneError", "请输入11位手机号"); } if (user.getPassword().length() < 6 || user.getPassword().length() > 16) { model.addAttribute("passwordError", "密码长度必须是6-16位"); } return new ModelAndView("register"); } else { System.out.println("无错"); String md5Password = DigestUtils.md5DigestAsHex(user.getPassword().getBytes()); user.setPhoto("fei.png"); user.setPassword(md5Password); System.out.println("需要注册的信息：" + user); User u = userService.selectByPhone(user.getPhone()); if (u == null) { System.out.println("账号不重复，可注册"); userService.toRegister(user); return new ModelAndView("login"); } else { System.out.println("已存在此账号，不可注册"); return new ModelAndView("register", "msg", "手机号已存在，请更换手机号，或者联系管理员"); } } } /* 登录 */ @PostMapping(value = "/login") public ModelAndView login(Map<String, Object> map, HttpSession session, Model model, User user) { /* 管理员特定账号 */ if (user.getPhone().equals("000") && user.getPassword().equals("root")) { session.setAttribute("loginUser", user); return new ModelAndView("redirect:/admin"); } User userdatabase = userService.selectByPhone(user.getPhone()); System.out.println(userdatabase); if (null == userdatabase) { //账号不存在 return new ModelAndView("login", "msg", "账号不存在"); } else if (userdatabase.getPassword().equals(DigestUtils.md5DigestAsHex(user.getPassword().getBytes()))) { System.out.println("数据库加密后的密码：" + userdatabase.getPassword()); System.out.println("登录时输入的密码:" + user.getPassword() + " " + DigestUtils.md5DigestAsHex(user.getPassword().getBytes())); currentUser = userdatabase; session.setAttribute("loginUser", userdatabase); List<Language> languages = languageService.getall(); if (currentUser.getExamCode() != null) { //展示考生所报名考试的信息 Language language = languageService.getLanguage(currentUser.getExamCode()); model.addAttribute("language", language); } model.addAttribute("languages", languages); model.addAttribute("user", userdatabase); return new ModelAndView("student/student"); } else { return new ModelAndView("login", "msg", "账号或密码错误"); } } @PostMapping("/student") public ModelAndView User_page() { return new ModelAndView("student/student"); } /* 获取所有用户信息 http://localhost:8080/getall */ @GetMapping("/getall") public String getall() { return userService.findUserList().toString(); } /* 根据registerid查找用户 http://localhost:8080/user/3 */ @GetMapping("user/{registerid}") public User findbyid(@PathVariable("registerid") Integer registerid) { User u = userService.findUserbyId(registerid); return u; } /* 修改员工普通信息 PUT(底层方法就存在问题) */ @PutMapping("/user") public ModelAndView updateUser(User user, Model model) { user.setUpdateTime(new Date()); userService.dynamicStyUdp(user); /* 学生主页需要用的数据 */ currentUser = user; List<Language> languages = languageService.getall(); model.addAttribute("languages", languages); //重定向 //return new ModelAndView("redirect:/login#personal"); return new ModelAndView("student/student"); } /* 删除员工 http://localhost:8080/user/9 */ @DeleteMapping("user/{registerid}") public boolean deleteUser(@PathVariable("registerid") Integer registerid) { boolean b = userService.deleteUser(registerid); return b; } /* 报名考试 */ @GetMapping("/signup") public ModelAndView toSignUp(@RequestParam("lanCode") String lanCode, Model model) { System.out.println("考试报名处理方法："); System.out.println("lanColde:" + lanCode + "当前用户：" + currentUser.getName()); currentUser.setExamCode(lanCode); userService.dynamicStyUdp(currentUser); Language language = languageService.getLanguage(lanCode); //展示考生所报名考试的信息 model.addAttribute("language", language); model.addAttribute("user", currentUser); return new ModelAndView("student/student"); } /* 跳转到考试系统页面 */ @GetMapping("/exam") public ModelAndView toexam(Model model) { if (currentUser.getNote() == null) { //List<Paper> papers = paperService.getall(); List<Paper> papers = new ArrayList<>(); papers = paperService.getallByPaperCode(currentUser.getExamCode()); if (papers.size() == 0) { //若所选语言类型的试卷张数为0，则从�