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spring boot 之注册

在server 层

User create(String username, String password, String email);
去serverimpl 实现

@Override
    @Transactional
    public User create(String username, String password, String email) {
        User user = userRepository.findByUsername(username);
        if (user == null) {
            User newuser = new User();
            newuser.setUsername(username);
            newuser.setEmail(email);
            String md5password;
            String tokenmd5;
            try {
                md5password = MD5Until.md5(password);
                tokenmd5 = MD5Until.md5(username + password);
            } catch (Exception e) {
                md5password = password;
                tokenmd5 = username;
            }
            newuser.setPassword(md5password);
            newuser.setToken(tokenmd5);
            userRepository.save(newuser);
            redisTemplate.delete("Plan_user");
            return newuser;
        }
        throw new PanExection(ResultEmus.USER_EXIT);
    }

　　去开发对于的controller层

@GetMapping("/reg")
public ModelAndView reg(ModelAndView model) {
    return new ModelAndView("register");
}

@PostMapping("/reg")
public ModelAndView regs(ModelAndView model, @Valid UserForm userVo, BindingResult bindingResult) {
    if (bindingResult.hasErrors()) {
        model.addObject("error", bindingResult.getFieldError().getDefaultMessage());
        model.setViewName("register");
        return model;
    }
    try {
        User user = userSerice.create(userVo.getUsername(), userVo.getPassword(), userVo.getEmail());
        return new ModelAndView("redirect:/plan/logins");
    } catch (PanExection e) {
        model.addObject("error", e.getMessage());
        model.setViewName("register");
        return model;
    }


}

PanExection.java
@Getter
public class PanExection extends RuntimeException {
    private Integer code;
 
    public PanExection(ResultEmus resultEmuns) {
        super(resultEmuns.getMessage());
        this.code = resultEmuns.getCode();
    }
 
    public PanExection(CaseResultEmus resultEmuns) {
        super(resultEmuns.getMessage());
        this.code = resultEmuns.getCode();
    }
 
    public PanExection(Integer code, String message) {
        super(message);
        this.code = code;
    }
}

　　userForm

@Data
public class UserForm {
    @NotEmpty(message = "用户名不能为空")
    private String username;
    @NotEmpty(message = "密码不能为空")
    private String password;
    @Email(message = "邮箱格式错误")
    private String email;
}

开发对应的register.html代码

<!DOCTYPE html>
<html   xmlns:th="http://www.thymeleaf.org">

<head>
  <!-- Required meta tags -->
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
  <title>AutoTestPlatform</title>
  <!-- plugins:css -->
  <link rel="stylesheet" href="../../node_modules/mdi/css/materialdesignicons.min.css">
  <!-- endinject -->
  <!-- plugin css for this page -->
  <!-- End plugin css for this page -->
  <!-- inject:css -->
  <link rel="stylesheet" href="../../css/style.css">
  <!-- endinject -->
</head>

<body>
  <div class="body-wrapper">
    <div class="page-wrapper">
      <main class="content-wrapper auth-screen">
        <div class="mdc-layout-grid">
                    <div class="mdc-layout-grid__inner">
            <div class="mdc-layout-grid__cell stretch-card mdc-layout-grid__cell--span-4">
                        </div>
            <div class="mdc-layout-grid__cell stretch-card mdc-layout-grid__cell--span-4">
                            <div class="mdc-card">
                                <section class="mdc-card__primary bg-white">
                  <form  th:action="@{/reg}" method="post">
                      <div>
                          <!--/*@thymesVar id="error" type=""*/-->
                          <span id="basic-addon0">&nbsp;</span>
                          <span style="font-size: 12px;color: red" th:text="${error}" aria-describedby="basic-addon0"></span>
                          <br />
                      </div>
                    <div class="mdc-layout-grid">
                                <div class="mdc-layout-grid__inner">

                        <div class="mdc-layout-grid__cell stretch-card mdc-layout-grid__cell--span-12">
                          <label class="mdc-text-field w-100">
                            <input type="text" class="mdc-text-field__input" name="username">
                            <span class="mdc-text-field__label">用户名</span>
                            <div class="mdc-text-field__bottom-line"></div>
                          </label>
                                    </div>
                        <div class="mdc-layout-grid__cell stretch-card mdc-layout-grid__cell--span-12">
                          <label class="mdc-text-field w-100">
                            <input type="password" class="mdc-text-field__input" name="password">
                            <span class="mdc-text-field__label">密码</span>
                            <div class="mdc-text-field__bottom-line"></div>
                          </label>
                                    </div>
                        <div class="mdc-layout-grid__cell stretch-card mdc-layout-grid__cell--span-12">
                          <label class="mdc-text-field w-100">邮箱
                            <input type="text" class="mdc-text-field__input" name="email">
                            <div class="mdc-text-field__bottom-line"></div>
                          </label>
                                    </div>


                        <div class="mdc-layout-grid__cell stretch-card mdc-layout-grid__cell--span-12">
                          <button class="mdc-button mdc-button--raised w-100" data-mdc-auto-init="MDCRipple">
                           注册
                          </button>
                        </div>
                                </div>
                            </div>
                  </form>
                                </section>
                            </div>
                        </div>
            <div class="mdc-layout-grid__cell stretch-card mdc-layout-grid__cell--span-4">
                        </div>
                    </div>
                </div>
      </main>
    </div>
  </div>
  <!-- body wrapper -->
  <!-- plugins:js -->
  <script src="../../node_modules/material-components-web/dist/material-components-web.min.js"></script>
  <script src="../../node_modules/jquery/dist/jquery.min.js"></script>
  <!-- endinject -->
  <!-- Plugin js for this page-->
  <!-- End plugin js for this page-->
  <!-- inject:js -->
    <script src="../../js/misc.js"></script>
    <script src="../../js/material.js"></script>
    <!-- endinject -->
  <!-- Custom js for this page-->
  <!-- End custom js for this page-->
</body>

</html>