先集成Redis

邮箱验证

授权码是QQ邮箱推出的，用于登录第三方客户端的专用密码。
温馨提醒：为了你的帐户安全，更改QQ密码以及独立密码会触发授权码过期，需要重新获取新的授权码登录。

1.QQ邮箱开启 POP3/SMTP服务获取授权码

进入QQ邮箱，进入设置->账户

下拉 开启POP3/STMP服务

验证密保

获取授权码

2.在spingboot中配置

1. 添加依赖

<dependency>
	<groupId>org.springframework.boot</groupId>
	<artifactId>spring-boot-starter-mail</artifactId>
</dependency>
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2. springboot集成邮件

spring:
  mail:
    host: smtp.qq.com
    username: 2811662803             # 发送方qq号
    password: xhwyoxrqvtohddff       # 授权码
    default-encoding: utf-8
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3. 注入 JavaMailSender 对象

@Autowired
private JavaMailSender mailSender;
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4. 随机生成6位数字验证码

	Random random = new Random();
	//生成0-1000000之内的随机数
	int randomNum = random.nextInt(1000000);
	//不足6位补0
	String randomCode = String.format("%06d", randomNum);
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5. 发送邮件的逻辑代码

  SimpleMailMessage message = new SimpleMailMessage();
					message.setFrom("发送方QQ号@qq.com");
					message.setTo("接收方QQ号@qq.com");
					message.setSubject("主题：简单邮件验证");
					message.setText("测试邮件内容");
					mailSender.send(message);
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实例测试

发送验证码

前端请求

//发送验证码
sendYzm(){
	var _this = this;//this是vue对象
	
	//正则验证邮箱是否合法
	var email=this.form.account;
	var reg = /^\w{5,}@[a-z0-9]{2,3}\.[a-z]+$|\,$/;
	if(!reg.test(email)){
		_this.$message({
			message: "邮箱的格式不正确!",
			type: 'warning'
		});
	}

	this.$http.post("/api/login/sendYzm", this.form).then(function(response) {
		if (response.data.code == 201) {
			_this.$message({
				message: response.data.msg,
				type: 'warning'
			});
			return;
		}
		if (response.data.code == 200) {
			_this.$message({
				message: response.data.msg,
				type: 'success'
			});
			return;
		}
	})
}
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后端处理

Controller

@PostMapping(path = "/sendYzm")
public CommonResult sendYzm(@RequestBody MailCode mailCode) {//@RequestBody 接收请求体数据
   service.createVerificationCode(mailCode.getAccount());
   return new CommonResult(200, "发送成功",null);
}
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Service

@Autowired
RedisTemplate redisTemplate;

@Autowired
JavaMailSender mailSender;

public void createVerificationCode(String account) {
	//创建Redis简单string的操作类
   ValueOperations operations = redisTemplate.opsForValue();
   
	//生成简单的6位验证码
   Random random = new Random();
   int randomNum = random.nextInt(1000000);
   String randomCode = String.format("%06d", randomNum);
	
	//发送邮件
   SimpleMailMessage message = new SimpleMailMessage();
   message.setFrom("2811662803@qq.com");
   message.setTo(account);
   message.setSubject("主题：简单邮件验证");
   message.setText("登录验证码："+randomCode);
   mailSender.send(message);

   //设置键值对  k-v = 邮箱:验证码  的有效时间
   operations.set(account, randomCode,1, TimeUnit.MINUTES);
}
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校验 验证码

前端请求

//校验验证码
checkYzm(){
	var _this = this;//this是vue对象
	this.$http.post("/api/login/checkYzm",this.form).then(function(response) {
		console.log(response.data);
		if (response.data.code == 201) {
			_this.$message({
				message: response.data.msg,
				type: "warning"
			});
			return;
		}else if (response.data.code == 200) {
			_this.$message({
				message: response.data.msg,
				type: "success"
			});
			return;
		}else{
			_this.$message({
				message: response.data.msg,
				type: "warning"
			});
			return;
		}
	})
}
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后端处理

Controller

	@PostMapping(path = "/checkYzm")
    public CommonResult checkYzm(@RequestBody MailCode mailCode) {//@RequestBody 接收请求体数据
        CommonResult res = null;
        boolean bool = false;
        try {
            bool = service.checkCode(mailCode.getAccount(),mailCode.getCode());
            res = new CommonResult(200, "验证成功",bool);
        } catch (Exception e) {
            res = new CommonResult(500, "验证失败",bool);
        }
        return res;
    }
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Service

	public boolean checkCode(String account, String yzm) {
        ValueOperations operations = redisTemplate.opsForValue();
        String compare = (String)operations.get(account);
        if(compare.equals(yzm)){
            return true;
        }
        return false;
    }
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正则验证邮箱