使用springboot实现邮箱验证码功能

我这边使用的QQ邮箱

1、首先创建maven项目，配置pom文件

	4.0.0

	com.example
	springbootdemo
	0.0.1-SNAPSHOT
	jar

	springbootdemo
	Demo project for Spring Boot

	
		org.springframework.boot
		spring-boot-starter-parent
		2.0.4.RELEASE
		 
	

	
		UTF-8
		UTF-8
		1.8
	

	
		
			org.springframework.boot
			spring-boot-starter-web
		
		
			org.mybatis.spring.boot
			mybatis-spring-boot-starter
			1.3.2
		
		
		
			org.springframework.boot
			spring-boot-starter-mail
		
		
			commons-io
			commons-io
			2.4
		
		
			mysql
			mysql-connector-java
			runtime
		
		
			org.springframework.boot
			spring-boot-starter-test
			test
		
		
			org.springframework.boot
			spring-boot-starter-thymeleaf
		
		
            org.springframework.boot
            spring-boot-devtools
            true 
        

		
		
			com.github.pagehelper
			pagehelper
			4.1.6
		


	

	
		
			
				org.springframework.boot
				spring-boot-maven-plugin
			
		
		
			
				src/main/java
					
						**/*.xml
					
			
		
	

2、配置springboot，我这里使用的是properties方式

#配置Mybatis别名和扫描包
mybatis.type-aliases-package=com.demo.bean
mybatis.mapper-locations=classpath:mapper/*.xml

#数据库相关
spring.datasource.url=jdbc:mysql://localhost:3306/ssm?useSSL=false
spring.datasource.username=root
spring.datasource.password=123456
spring.datasource.driver-class-name=com.mysql.jdbc.Driver

#配置日志
logging.level.root=info
logging.level.com.demo.mapper=debug

#配置视图前缀和后缀
spring.mvc.view.prefix=/
spring.mvc.view.suffix=.html

#邮件发送配置
spring.mail.default-encoding=UTF-8
spring.mail.host=smtp.qq.com
spring.mail.username=你的邮箱
spring.mail.password=邮箱授权码
spring.mail.properties.mail.smtp.auth=true
spring.mail.properties.mail.smtp.starttls.enable=true
spring.mail.properties.mail.smtp.starttls.required=true

#thymeleaf配置
spring.thymeleaf.mode=HTML5
spring.thymeleaf.encoding=UTF-8
spring.thymeleaf.servlet.content-type=text/html
spring.thymeleaf.cache=false

邮箱授权码可以按以下方法获取

打开QQ邮箱网页→设置→账户→POP3/IMAP/SMTP/Exchange/CardDAV/CalDAV服务→开启POP3/SMTP服务，然后就能看到授权码了

3、编写mailService

      ${spring.mail.username}是在properties中配置的属性，这里有一个方法，第一个是发送普通邮件，第二个是发送带有附件的邮件

@Service("mailService")
public class MailService {
    @Value("${spring.mail.username}")
    private String from;
    @Autowired
    private JavaMailSender mailSender;

    Logger logger = LoggerFactory.getLogger(this.getClass());

    public void sendSimpleMail(String to,String title,String content){
        SimpleMailMessage message = new SimpleMailMessage();
        message.setFrom(from);
        message.setTo(to);
        message.setSubject(title);
        message.setText(content);
        mailSender.send(message);
        logger.info("邮件发送成功");
    }

    public void sendAttachmentsMail(String to, String title, String cotent, List fileList){
        MimeMessage message = mailSender.createMimeMessage();
        try {
            MimeMessageHelper helper = new MimeMessageHelper(message,true);
            helper.setFrom(from);
            helper.setTo(to);
            helper.setSubject(title);
            helper.setText(cotent);
            String fileName = null;
            for (File file:fileList) {
                fileName = MimeUtility.encodeText(file.getName(), "GB2312", "B");
                helper.addAttachment(fileName, file);
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
        mailSender.send(message);
        logger.info("邮件发送成功");
    }
}

4、编写controller

@Controller
public class MailController {
    @Autowired
    private MailService mailService;

    @RequestMapping("getCheckCode")
    @ResponseBody
    public String getCheckCode(String email){
        String checkCode = String.valueOf(new Random().nextInt(899999) + 100000);
        String message = "您的注册验证码为："+checkCode;
        try {
            mailService.sendSimpleMail(email, "注册验证码", message);
        }catch (Exception e){
            return "";
        }
        return checkCode;
    }
}

5、编写页面

    
    
    
    


    

        

            
请输入注册信息
            

                

                    邮箱：
                    

                        
                    
                
                

                    密码：
                    

                        
                    
                
                

                    邮箱验证码：
                    

                        
                        获取验证码
                    
                
                

                    

                        确认
                    
                
            
        
    
    

6、测试

邮件发送 发送成功 收到邮件 60s禁止重发