Vue简易注册页面+发送验证码功能的实现示例

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1. 效果展示

2. 增强版验证码及邮件推送管理（见以后的博客）

3. 大致思路

用户角度分析一下注册时候的步骤：

填写自己的邮箱号
点击“发送验证码”按钮
邮箱中收到验证码
填写其余注册信息并填写验证码
注册成功！

系统设计者角度分析一下步骤：

系统随机生成六位数
根据用户提供的邮箱号将验证码发送到其邮箱
根据用户提供的信息，进行验证码的校验
如果校验成功，将数据进行录入，回显用户注册成功！

4. 前期准备

qq邮箱中开启POP3/SMTP服务

这里可以参考

https://www.ogeek.net/qq/321090.html

5. 前端代码

<template>
  <div class="rg_layout">
    <div class="rg_left">
      <p>新用户注册</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="请输入邮箱号" v-model="form.Email"></el-input>
            </el-col>
            <el-col :span="9">
              <el-button type="success" plain @click="sendEmail">发送邮件验证</el-button>
            </el-col>
          </el-form-item>
          <el-form-item label="用户名">
            <el-col :span="20">
              <el-input placeholder="请输入用户名" v-model="form.username"></el-input>
            </el-col>
          </el-form-item>
          <el-form-item label="密码">
            <el-input placeholder="请输入密码" v-model="form.password"></el-input>
          </el-form-item>
          <el-form-item label="性别">
            <el-col :span="5">
              <el-radio v-model="form.radio" label="1">男</el-radio>
            </el-col>
            <el-col :span="3">
              <el-radio v-model="form.radio" label="2">女</el-radio>
            </el-col>
          </el-form-item>
          <el-form-item label="出生日期">
            <el-col :span="15">
              <el-date-picker type="date" placeholder="选择日期" v-model="form.date" style="width: 100%;"></el-date-picker>
            </el-col>
          </el-form-item>
          <el-form-item label="验证码">
            <el-col :span="15">
              <el-input
                  type="text"
                  placeholder="验证码将会发送到您的邮箱"
                  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">立即注册</el-button>
            </el-col>
          </el-form-item>
        </el-form>
      </div>
    </div>
    <div class="rg_right">
      <p>已有账号?
        <el-link icon="el-icon-user-solid" type="primary" @click="login_asd">立刻登陆</el-link>
      </p>
    </div>

  </div>

</template>

<script>
import axios from "axios";
export default {
  mounted() {
    this.$store.state.yesOrNo = false
  },
  name: "signUp",
  data: function () {
    return {
      form: {
        Email: '',
        username: "",
        password: "",
        radio: '1',
        date: '',
        text: ''
      },
      rules: {
        Email: [{required: true, message: '请输入邮箱', trigger: 'blur'}]
      },
      msg: ''
    }
  },
  methods: {
    login_asd(){
      this.$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.$store.state.url+':8412/user/sendSignUpCode?email='+_this.form.Email,
              ).catch(function (error) {
                _this.msg = "邮箱格式不正确！"
                _this.open1()
          }).then(function (response) {
            if (response.data.code === 200) {
              _this.msg = response.data.msg
              _this.open2()
            } else {
              _this.msg = response.data.msg
              _this.open3()
            }
          })
        }
      })
    },
    onSubmit(){
      this.$refs.form.validate((valid) => {
        if (valid) {
          let _this = this;
          let tmp;
          if(this.form.radio === "1"){
            tmp = '男'
          }else{
            tmp = '女'
          }
          axios.post(this.$store.state.url+':8412/user/userSignUp?code='+_this.form.text,
              {
                email: this.form.Email,
                username: this.form.username,
                password: this.form.password,
                sex: tmp,
                birthday: this.form.date
              }
          ).catch(function (error) {
            _this.msg = "邮箱格式有问题！"
            _this.open1()
          }).then(function (response) {
            if (response.data.code === 200) {
              _this.msg = response.data.msg
              _this.open2()
              _this.$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;
  /*让div水平居中*/
  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 p a {
  color: pink;
}

</style>

6. 后端

使用的框架是springboot

① 主要的依赖

        <!-- 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>

② 正则校验邮箱工具类

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+.)+[a-z]{2,3}
        Matcher matcher=pattern.matcher(mail);
        return matcher.matches();
    }
}

③ Redis的set和get工具类

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);
    }

}

④ 核心service层代码

    /**
     * 验证邮箱是否重复
     * @param email 邮箱号
     */
    @Override
    public ResultReturn checkEmailRepeat(String email) throws MyException {
        if (!CheckMail.checkMail(email)) {
            throw new MyException(400, "邮件格式错误");
        }
        if (userRepository.checkEmaillRepeated(email)) {
            return ResultReturnUtil.fail(USER_EMAIL_REPEATED);
        }
        return ResultReturnUtil.success(USER_EMAIL_NOT_REPEATED, email);
    }

    /**
     * 发送注册验证码
     * @param toEamil 收件人邮箱
     * @return
     */
    @Override
    public ResultReturn sendSignUpCode(String toEamil) {
        //asdasd
        SimpleMailMessage simpleMailMessage = new SimpleMailMessage();
        simpleMailMessage.setTo(toEamil);
        simpleMailMessage.setFrom(fromEmail);
        simpleMailMessage.setSubject("您的注册验证码来了");
        Random r = new Random();
        int rate = r.nextInt(899999) + 100000;
        redisUtil.setRedisKey(toEamil + "YanZheng", rate + "", 60 * 5);    //先存入redis,key为发送的邮箱号
        String content =
                "你好，\n" + "\t您的验证码是：\n" + rate;
        simpleMailMessage.setText(content);
        try {
            javaMailSender.send(simpleMailMessage);
        } catch (Exception e) {
            return ResultReturnUtil.fail("发送失败！");
        }
        return ResultReturnUtil.success("发送成功！", toEamil);
    }
    
    /**
     * 用户注册
     * @param userSignUpVO 注册所需要的用户基本信息
     * @param code  注册发到邮箱的验证码
     */
    @Override
    public ResultReturn UserSignUp(UserSignUpVO userSignUpVO, int code) throws MyException {
        if (!CheckMail.checkMail(userSignUpVO.getEmail())) {    //这种是邮箱格式错误的时候
            throw new MyException(400, "邮件格式错误");
        }
        if (userRepository.checkEmaillRepeated(userSignUpVO.getEmail())) {  //邮箱重复注册的时候
            return ResultReturnUtil.fail(USER_EMAIL_REPEATED);
        }
        String redisCode = redisUtil.getRedisValue(userSignUpVO.getEmail() + "YanZheng");   //将code与redis的进行比对
        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);
    }

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