我使用 MySQL 创建了一个用户表TbUser，并且使用@GetMapping("/alterListUsers") public String alterListUsers(@RequestParam(defaultValue = "1") int pageNum, Model model) { Page<TbUser> page = tbUserService.findUsers(pageNum); List<TbUser> userList = page.getContent(); model.addAttribute("userList", userList); model.addAttribute("currentPage", pageNum); model.addAttribute("totalPages", page.getTotalPages()); return "management/user-alter"; }完成了用户分页查询功能，查询的结果返回了user-alter.html，请使用springboot+hibernate+thymeleaf帮助我完成编辑用户的功能，点击编辑按钮后，弹窗一个表单可以修改用户所有信息，点击确定后将信息保存到数据库，包含DAO、Controller、Entity、Service、impl的详细代码

时间: 2024-01-28 20:05:41 浏览: 27

好的，以下是实现编辑用户的代码： **TbUser.java(Entity):** ```java @Entity @Table(name = "tb_user") public class TbUser { @Id @GeneratedValue(strategy = GenerationType.IDENTITY) private Long id; @Column(nullable = false, unique = true) private String username; private String password; @Column(nullable = false) private String email; // getters and setters // equals and hashCode } ``` **TbUserRepository.java(DAO):** ```java @Repository public interface TbUserRepository extends JpaRepository<TbUser, Long> { } ``` **TbUserService.java(Service):** ```java @Service public class TbUserService { @Autowired private TbUserRepository tbUserRepository; public Page<TbUser> findUsers(int pageNum) { return tbUserRepository.findAll(PageRequest.of(pageNum - 1, 10)); } public TbUser findById(Long id) { return tbUserRepository.findById(id).orElse(null); } public TbUser save(TbUser tbUser) { return tbUserRepository.save(tbUser); } } ``` **TbUserServiceImpl.java(Service实现类):** ```java @Service public class TbUserServiceImpl implements TbUserService { @Autowired private TbUserRepository tbUserRepository; @Override public Page<TbUser> findUsers(int pageNum) { return tbUserRepository.findAll(PageRequest.of(pageNum - 1, 10)); } @Override public TbUser findById(Long id) { return tbUserRepository.findById(id).orElse(null); } @Override public TbUser save(TbUser tbUser) { return tbUserRepository.save(tbUser); } } ``` **UserController.java(Controller):** ```java @Controller @RequestMapping("/management") public class UserController { @Autowired private TbUserService tbUserService; @GetMapping("/alterListUsers") public String alterListUsers(@RequestParam(defaultValue = "1") int pageNum, Model model) { Page<TbUser> page = tbUserService.findUsers(pageNum); List<TbUser> userList = page.getContent(); model.addAttribute("userList", userList); model.addAttribute("currentPage", pageNum); model.addAttribute("totalPages", page.getTotalPages()); return "management/user-alter"; } @GetMapping("/editUser/{id}") public String editUser(@PathVariable Long id, Model model) { TbUser tbUser = tbUserService.findById(id); if (tbUser != null) { model.addAttribute("tbUser", tbUser); return "management/user-edit"; } else { return "redirect:/management/alterListUsers"; } } @PostMapping("/saveUser") public String saveUser(TbUser tbUser) { tbUserService.save(tbUser); return "redirect:/management/alterListUsers"; } } ``` **user-alter.html(用户列表页面):** ```html <!DOCTYPE html> <html xmlns:th="http://www.thymeleaf.org"> <head> <meta charset="UTF-8"> <title>用户列表</title> </head> <body> <table> <thead> <tr> <th>ID</th> <th>用户名</th> <th>邮箱</th> <th>操作</th> </tr> </thead> <tbody> <tr th:each="tbUser : ${userList}"> <td th:text="${tbUser.id}"></td> <td th:text="${tbUser.username}"></td> <td th:text="${tbUser.email}"></td> <td> <a th:href="@{/management/editUser/__${tbUser.id}__}">编辑</a> </td> </tr> </tbody> </table> <div> <ul> <li th:if="${currentPage != 1}"> <a th:href="@{/management/alterListUsers(pageNum=1)}">首页</a> </li> <li th:if="${currentPage > 1}"> <a th:href="@{/management/alterListUsers(pageNum=${currentPage - 1})}">上一页</a> </li> <li th:if="${currentPage < totalPages}"> <a th:href="@{/management/alterListUsers(pageNum=${currentPage + 1})}">下一页</a> </li> <li th:if="${currentPage != totalPages}"> <a th:href="@{/management/alterListUsers(pageNum=${totalPages})}">尾页</a> </li> </ul> </div> </body> </html> ``` **user-edit.html(用户编辑页面):** ```html <!DOCTYPE html> <html xmlns:th="http://www.thymeleaf.org"> <head> <meta charset="UTF-8"> <title>编辑用户信息</title> </head> <body> <form th:action="@{/management/saveUser}" method="post"> <input type="hidden" th:field="*{id}"/> <div> <label>用户名：</label> <input type="text" th:field="*{username}"/> </div> <div> <label>密码：</label> <input type="password" th:field="*{password}"/> </div> <div> <label>邮箱：</label> <input type="email" th:field="*{email}"/> </div> <div> <button type="submit">保存</button> </div> </form> </body> </html> ``` 以上就是实现编辑用户功能的详细代码。

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