Vue simple registration page + send verification code function implementation example

<template>
  <div class="rg_layout">
    <div class="rg_left">
      <p>New User Registration</p>
      <p>USER REGISTER</p>
    </div>
    <div class="rg_center">
      <div class="rg_form">
        <div style="margin: 50px 0;"></div>
        <el-form ref="form" :model="form" :rules="rules" label-width="80px">
          <el-form-item label="Email" prop="Email">
            <el-col :span="15">
              <el-input placeholder="Please enter your email address" v-model="form.Email"></el-input>
            </el-col>
            <el-col :span="9">
              <el-button type="success" plain @click="sendEmail">Send email verification</el-button>
            </el-col>
          </el-form-item>
          <el-form-item label="Username">
            <el-col :span="20">
              <el-input placeholder="Please enter your username" v-model="form.username"></el-input>
            </el-col>
          </el-form-item>
          <el-form-item label="Password">
            <el-input placeholder="Please enter your password" v-model="form.password"></el-input>
          </el-form-item>
          <el-form-item label="Gender">
            <el-col :span="5">
              <el-radio v-model="form.radio" label="1">Male</el-radio>
            </el-col>
            <el-col :span="3">
              <el-radio v-model="form.radio" label="2">Female</el-radio>
            </el-col>
          </el-form-item>
          <el-form-item label="Date of Birth">
            <el-col :span="15">
              <el-date-picker type="date" placeholder="Select date" v-model="form.date" style="width: 100%;"></el-date-picker>
            </el-col>
          </el-form-item>
          <el-form-item label="Verification code">
            <el-col :span="15">
              <el-input
                  type="text"
                  placeholder="The verification code will be sent to your email"
                  v-model="form.text"
                  oninput="value=value.replace(/\D/g,'')"
                  maxlength="6"
                  show-word-limit
              >
              </el-input>
            </el-col>
          </el-form-item>
          <el-form-item>
            <el-col :span="20">
              <el-button type="primary" @click="onSubmit">Register now</el-button>
            </el-col>
          </el-form-item>
        </el-form>
      </div>
    </div>
    <div class="rg_right">
      <p>Already have an account?
        <el-link icon="el-icon-user-solid" type="primary" @click="login_asd">Log in now</el-link>
      </p>
    </div>

  </div>

</template>

<script>
import axios from "axios";
export default {
  mounted() {
    this.$store.state.yesOrNo = false
  },
  name: "signUp",
  data: function () {
    return {
      form: {
        Email: '',
        username: "",
        password: "",
        radio: '1',
        date: '',
        text: ''
      },
      rules:
        Email: [{required: true, message: 'Please enter your email', trigger: 'blur'}]
      },
      msg: ''
    }
  },
  methods: {
    login_asd(){
      this.$router.replace({path: '/login'});
    },
    open1() {
      this.$message({
        showClose: true,
        message: this.msg,
        type: 'warning'
      });
    },
    open2() {
      this.$message({
        showClose: true,
        message: this.msg,
        type: 'success'
      });
    },
    open3() {
      this.$message({
        showClose: true,
        message: this.msg,
        type: 'error'
      });
    },
    sendEmail() {
      this.$refs.form.validate((valid) => {
        if (valid) {
          let _this = this
          axios.post(this.$store.state.url+':8412/user/sendSignUpCode?email='+_this.form.Email,
              ).catch(function (error) {
                _this.msg = "The email format is incorrect!"
                _this.open1()
          }).then(function (response) {
            if (response.data.code === 200) {
              _this.msg = response.data.msg
              _this.open2()
            } else {
              _this.msg = response.data.msg
              _this.open3()
            }
          })
        }
      })
    },
    onSubmit(){
      this.$refs.form.validate((valid) => {
        if (valid) {
          let _this = this;
          let tmp;
          if(this.form.radio === "1"){
            tmp = 'male'
          }else{
            tmp = 'female'
          }
          axios.post(this.$store.state.url+':8412/user/userSignUp?code='+_this.form.text,
              {
                email: this.form.Email,
                username: this.form.username,
                password: this.form.password,
                sex: tmp,
                birthday: this.form.date
              }
          ).catch(function (error) {
            _this.msg = "There is a problem with the email format!"
            _this.open1()
          }).then(function (response) {
            if (response.data.code === 200) {
              _this.msg = response.data.msg
              _this.open2()
              _this.$router.replace({path: '/login'});
            } else {
              _this.msg = response.data.msg
              _this.open3()
            }
          })
        }
      })
    }
  }
}
</script>


<style>
* {
  margin: 0px;
  padding: 0px;
  box-sizing: border-box;
}

body {
  background-image: url(https://img-blog.csdnimg.cn/76110abf7fb84ee28c50bfbfa7fa8e11.jpg);
  background-repeat: no-repeat;
  background-size: 100%;
  background-position: 0px -50px;
}

.rg_layout {
  width: 900px;
  height: 500px;
  border: 5px solid #EEEEEE;
  background-color: white;
  opacity: 0.8;
  /* Center the div horizontally */
  margin: auto;
  margin-top: 100px;
}

.rg_left {
  float: left;
  margin: 15px;
  width: 20%;
}

.rg_left > p:first-child {
  color: #FFD026;
  font-size: 20px;
}

.rg_left > p:last-child {
  color: #A6A6A6;
}

.rg_center {
  /*border: 1px solid red;*/
  float: left;
  width: 450px;
  /*margin: 15px;*/
}

.rg_right {
  float: right;
  margin: 15px;
}

.rg_right > p:first-child {
  font-size: 15px;
}

.rg_right pa {
  color: pink;
}

</style>

        <!-- redis -->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-data-redis</artifactId>
            <version>2.5.2</version>
        </dependency>
        <!-- mail -->
        <dependency>
            <groupId>javax.mail</groupId>
            <artifactId>mail</artifactId>
            <version>1.4.7</version>
        </dependency>

package com.example.han.util;

import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class CheckMail {
    public static boolean checkMail(String mail){
        Pattern pattern=Pattern.compile("\\w+([-+.]\\w+)*@\\w+([-.]\\w+)*\\.\\w+([-.]\\w+)*");
        //\w+@(\w+.)+[az]{2,3}
        Matcher matcher = pattern.matcher(mail);
        return matcher.matches();
    }
}

package com.example.han.util;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.StringRedisTemplate;
import org.springframework.stereotype.Component;
import java.util.concurrent.TimeUnit;

@Component
public class RedisUtil {
    @Autowired
    private StringRedisTemplate stringRedisTemplate;

    public void setRedisKey(String key, String value, long num) {
        System.out.println("set redis start!");
        stringRedisTemplate.opsForValue().set(key,value,num,TimeUnit.SECONDS);
        System.out.println(stringRedisTemplate.opsForValue().get(key));
    }

    public String getRedisValue(String key){
        if(!stringRedisTemplate.hasKey(key)){
            return "None";
        }
        return stringRedisTemplate.opsForValue().get(key);
    }

}

    /**
     * Verify whether the email address is repeated* @param email email address*/
    @Override
    public ResultReturn checkEmailRepeat(String email) throws MyException {
        if (!CheckMail.checkMail(email)) {
            throw new MyException(400, "Email format error");
        }
        if (userRepository.checkEmaillRepeated(email)) {
            return ResultReturnUtil.fail(USER_EMAIL_REPEATED);
        }
        return ResultReturnUtil.success(USER_EMAIL_NOT_REPEATED, email);
    }

    /**
     * Send registration verification code* @param toEamil recipient email* @return
     */
    @Override
    public ResultReturn sendSignUpCode(String toEmail) {
        //asdasd
        SimpleMailMessage simpleMailMessage = new SimpleMailMessage();
        simpleMailMessage.setTo(toEamil);
        simpleMailMessage.setFrom(fromEmail);
        simpleMailMessage.setSubject("Your registration verification code is here");
        Random r = new Random();
        int rate = r.nextInt(899999) + 100000;
        redisUtil.setRedisKey(toEamil + "YanZheng", rate + "", 60 * 5); //Save to redis first, key is the email address String content =
                "Hello,\n" + "\tYour verification code is:\n" + rate;
        simpleMailMessage.setText(content);
        try {
            javaMailSender.send(simpleMailMessage);
        } catch (Exception e) {
            return ResultReturnUtil.fail("Sending failed!");
        }
        return ResultReturnUtil.success("Sent successfully!", toEamil);
    }
    
    /**
     * User registration* @param userSignUpVO Basic user information required for registration* @param code Verification code sent to the email address after registration*/
    @Override
    public ResultReturn UserSignUp(UserSignUpVO userSignUpVO, int code) throws MyException {
        if (!CheckMail.checkMail(userSignUpVO.getEmail())) { //This is when the email format is wrong. throw new MyException(400, "Email format error");
        }
        if (userRepository.checkEmaillRepeated(userSignUpVO.getEmail())) { //When the email is registered repeatedly, return ResultReturnUtil.fail(USER_EMAIL_REPEATED);
        }
        String redisCode = redisUtil.getRedisValue(userSignUpVO.getEmail() + "YanZheng"); //Compare code with redis if (!redisCode.equals("" + code)) {
            return ResultReturnUtil.fail(WRONG_VERIFICATION_CODE);
        }
        UserDO user = new UserDO();
        user.setEmail(userSignUpVO.getEmail());
        user.setUsername(userSignUpVO.getUsername());
        user.setPassword(userSignUpVO.getPassword());
        user.setSex(userSignUpVO.getSex());
        user.setBirthday(userSignUpVO.getBirthday());
        if (userRepository.insertUser(user)) {
            return ResultReturnUtil.success(USER_SIGNUP_SUCCESS, user.getEmail());
        }
        return ResultReturnUtil.fail(USER_SIGNUP_FAILED);
    }