<!--集成redis-->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-redis</artifactId>
            <version>1.4.1.RELEASE</version>
        </dependency>
        <!--郵箱-->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-mail</artifactId>
        </dependency>

#設(shè)置端口號(hào)
server:
  port: 8080
#配置數(shù)據(jù)源
spring:
  mail:
    #QQ郵箱這不用改
    host: smtp.qq.com
    #你的郵箱
    username: XX@qq.com
    #你的授權(quán)碼
    password: XXXXXX
    default-encoding: UTF-8
  redis:
    #redis服務(wù)器地址
    host: XXXXXX
    #Redis服務(wù)器連接端口
    port: 6379
    #Redis服務(wù)器連接密碼（默認(rèn)為空）
    password: XXX
    jedis:
      pool:
        #連接池最大阻塞等待時(shí)間（使用負(fù)值表示沒(méi)有限制）
        max-wait: 1000
        #連接池最大連接數(shù)（使用負(fù)值表示沒(méi)有限制）
        max-active: 100
        #連接池中的最大空閑連接
        max-idle: 20
        #連接池中的最小空閑連接
        min-idle: 0
        #連接超時(shí)時(shí)間（毫秒）
    timeout: 30000

package com.example.demo.util;

/**
 * @Classname MailServiceUtils
 * @Description TODO
 * @Author 86176
 * @Date 2021-12-17 15:04
 * @Version 1.0
 **/
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.mail.MailException;
import org.springframework.mail.SimpleMailMessage;
import org.springframework.mail.javamail.JavaMailSender;
import org.springframework.stereotype.Component;
@Component
public class MailServiceUtils{
    private final Logger logger = LoggerFactory.getLogger(this.getClass());
    @Autowired
    private JavaMailSender mailSender;
    /**
     * @param from 發(fā)送人
     * @param to 接收人
     * @param subject 主題
     * @param content 內(nèi)容
     */
    public void sendMail(String from,String to, String subject, String content){
        SimpleMailMessage message = new SimpleMailMessage();
        message.setFrom(from);
        message.setTo(to);
        message.setSubject(subject);
        message.setText(content);
        try {
            mailSender.send(message); logger.info("郵件成功發(fā)送!");
        } catch (MailException e) {
            logger.error("發(fā)送郵件錯(cuò)誤:",e);
        }
    }
}

package com.example.demo.config;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.connection.RedisConnectionFactory;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.serializer.RedisSerializer;
import org.springframework.data.redis.serializer.StringRedisSerializer;

/**
 * @Classname Redisconfig
 * @Description TODO
 * @Author 86176
 * @Date 2021-12-06 10:02
 * @Version 1.0
 **/
@Configuration
public class Redisconfig {


    @Bean(name="redisTemplate")
    public RedisTemplate<String, String> redisTemplate(RedisConnectionFactory factory) {
        RedisTemplate<String, String> template = new RedisTemplate<>();
        RedisSerializer<String> redisSerializer = new StringRedisSerializer();
        template.setConnectionFactory(factory);
        //key序列化方式
        template.setKeySerializer(redisSerializer);
        //value序列化
        template.setValueSerializer(redisSerializer);
        //value hashmap序列化
        template.setHashValueSerializer(redisSerializer);
        //key haspmap序列化
        template.setHashKeySerializer(redisSerializer);
        //
        return template;
    }
}

package com.example.demo.controller;

import com.example.demo.util.MailServiceUtils;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.scheduling.annotation.Async;
import org.springframework.stereotype.Controller;
import org.springframework.util.Assert;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;

import javax.annotation.Resource;

/**
 * @Classname EmailController
 * @Description TODO  郵箱發(fā)送
 * @Author 86176
 * @Date 2021-12-17 15:28
 * @Version 1.0
 **/
@Controller
public class EmailController {

    @Resource
    private MailServiceUtils mailServiceUtils;

    @Resource
    private RedisTemplate<String, Object> redisTemplate;

    /**
     * 發(fā)送驗(yàn)證碼 redis存儲(chǔ)驗(yàn)證碼
     * @param to 被發(fā)送的郵箱賬號(hào)
     * @return
     */
    @PostMapping("/fasong")
    @ResponseBody
    public String email(String to) {
        try {
            //生成6位隨機(jī)數(shù)
            String i = String.valueOf((int) ((Math.random() * 9 + 1) * 100000));
            //發(fā)送郵箱
            mailServiceUtils.sendMail("XXXXXX@qq.com", to, "驗(yàn)證碼", i);
            //redis保存驗(yàn)證碼
            redisTemplate.opsForValue().set(to, i);
        } catch (Exception e) {
            return "報(bào)錯(cuò)";
        }
        return "OK";
    }

    /**
     * 郵箱驗(yàn)證
     * @param to 被發(fā)送的郵箱賬號(hào)
     * @param yzm 輸入的驗(yàn)證碼判斷
     * @return
     */
    @PostMapping("/yz")
    @ResponseBody
    public String yz(String to, String yzm) {
        //根據(jù)郵箱帳號(hào)取出驗(yàn)證碼
        String o = (String) redisTemplate.opsForValue().get(to);
        if (o.equals(yzm)){
            return "OK";
        }
        return "No";
    }

    @RequestMapping("/abc")
    public String abc() {
        return "QQemail";
    }
}

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
     <div>
         接收方郵箱號(hào) <input type="text" id="to">
         <input type="button" value="發(fā)送驗(yàn)證碼" id="yzm">
         驗(yàn)證碼<input type="text" id="yz">
         <input type="submit" value="驗(yàn)證" id="y">
     </div>
<script type="text/javascript"  src="../static/jquery-1.8.3.js"></script>
<script>
    /**
     * 發(fā)送驗(yàn)證碼
     */
    $("#yzm").click(function() {
        $.ajax({
            url : "/fasong",
            type : "post",
            data : {
                "to":$("#to").val()
            },
            success : function(data) {
                alert(data)
            }
        })
    })
    /**
     * 驗(yàn)證碼判斷
     */
    $("#y").click(function() {
        $.ajax({
            url: "/yz",
            type: "post",
            data: {
                "to": $("#to").val(),
                "yzm": $("#yz").val()
            },
            success: function (data) {
                alert(data)
            }
        })
    })
</script>
</body>
</html>