spring_boot发送邮件

概述

发送邮件，一个发送，一个接收，在软件中一般都是使用发送。

发送需要一个邮箱，这时候需要去那邮箱进行授权。

邮箱类型	SMTP服务器地址	端口号
QQ邮箱	smtp.qq.com	465或587
sina邮箱	smtp.sina.cn	465或587
126邮箱	smtp.126.com	465或994
aliyun邮箱	smtp.aliyun.com	465或994
163邮箱	smtp.163.com	465或994
yeah邮箱	smtp.yeah.net	465或994

使用

依赖

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

配置文件

spring.mail.host=smtp.163.com
spring.mail.username=xxx@163.com
spring.mail.password=授权码
spring.mail.port=465
spring.mail.properties.mail.smtp.starttls.enbale=true
spring.mail.properties.mail.smtp.starttls.required=true
spring.mail.properties.mail.smtp.ssl.enable=true
spring.mail.properties.mail.debug=true

类

import java.io.Serializable;

public class MailRequest implements Serializable {
    /**
     * 接收人
     */
    private String sendTo;

    /**
     *  邮件主题
     */
    private String subject;

    /**
     *  邮件内容
     */
    private String text;

    /**
     *  附件路径
     */
    private String filePath;

    public String getSendTo() {
        return sendTo;
    }

    public void setSendTo(String sendTo) {
        this.sendTo = sendTo;
    }

    public String getSubject() {
        return subject;
    }

    public void setSubject(String subject) {
        this.subject = subject;
    }

    public String getText() {
        return text;
    }

    public void setText(String text) {
        this.text = text;
    }

    public String getFilePath() {
        return filePath;
    }

    public void setFilePath(String filePath) {
        this.filePath = filePath;
    }
}

public interface SendMailService {

    /**
     * 简单文本邮件
     *
     * @param mailRequest
     * @return
     */
    void sendSimpleMail(MailRequest mailRequest);


    /**
     * Html格式邮件,可带附件
     *
     * @param mailRequest
     * @return
     */
    void sendHtmlMail(MailRequest mailRequest);
}

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.core.io.FileSystemResource;
import org.springframework.mail.SimpleMailMessage;
import org.springframework.mail.javamail.JavaMailSender;
import org.springframework.mail.javamail.MimeMessageHelper;
import org.springframework.stereotype.Service;
import org.springframework.util.Assert;
import org.springframework.util.StringUtils;

import javax.mail.MessagingException;
import javax.mail.internet.MimeMessage;
import java.io.File;
import java.util.Date;

@Service
public class SendMailServiceImpl implements SendMailService {

    //注入邮件工具类
    @Autowired
    private JavaMailSender javaMailSender;

    @Value("${spring.mail.username}")
    private String sendMailer;

    private static final Logger logger = LoggerFactory.getLogger(SendMailServiceImpl.class);

    public void checkMail(MailRequest mailRequest) {
        Assert.notNull(mailRequest,"邮件请求不能为空");
        Assert.notNull(mailRequest.getSendTo(), "邮件收件人不能为空");
        Assert.notNull(mailRequest.getSubject(), "邮件主题不能为空");
        Assert.notNull(mailRequest.getText(), "邮件收件人不能为空");
    }

    @Override
    public void sendSimpleMail(MailRequest mailRequest) {
        SimpleMailMessage message = new SimpleMailMessage();
        checkMail(mailRequest);
        //邮件发件人
        message.setFrom(sendMailer);
        //邮件收件人 1或多个
        message.setTo(mailRequest.getSendTo().split(","));
        //邮件主题
        message.setSubject(mailRequest.getSubject());
        //邮件内容
        message.setText(mailRequest.getText());
        //邮件发送时间
        message.setSentDate(new Date());

        javaMailSender.send(message);
        logger.info("发送邮件成功:{}->{}",sendMailer,mailRequest.getSendTo());
    }



    @Override
    public void sendHtmlMail(MailRequest mailRequest) {
        MimeMessage message = javaMailSender.createMimeMessage();
        checkMail(mailRequest);
        try {
            MimeMessageHelper helper = new MimeMessageHelper(message,true);
            //邮件发件人
            helper.setFrom(sendMailer);
            //邮件收件人 1或多个
            helper.setTo(mailRequest.getSendTo().split(","));
            //邮件主题
            helper.setSubject(mailRequest.getSubject());
            //邮件内容
            helper.setText(mailRequest.getText(),true);
            //邮件发送时间
            helper.setSentDate(new Date());

            String filePath = mailRequest.getFilePath();
            if (StringUtils.hasText(filePath)) {
                FileSystemResource file = new FileSystemResource(new File(filePath));
                String fileName = filePath.substring(filePath.lastIndexOf(File.separator));
                helper.addAttachment(fileName,file);
            }
            javaMailSender.send(message);
            logger.info("发送邮件成功:{}->{}",sendMailer,mailRequest.getSendTo());
        } catch (MessagingException e) {
            logger.error("发送邮件时发生异常！",e);
        }
    }
}

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

@RestController
@RequestMapping("/send-mail")
public class SendMailController {
    @Autowired
    private SendMailService sendMailService;

    @PostMapping("/simple")
    public void SendSimpleMessage(@RequestBody MailRequest mailRequest) {
        sendMailService.sendSimpleMail(mailRequest);
    }

    @PostMapping("/html")
    public void SendHtmlMessage(@RequestBody MailRequest mailRequest) { sendMailService.sendHtmlMail(mailRequest);}
}

测试

http://localhost:8080/send-mail/simple

{
	"sendTo": "xxx@sina.com",
	"subject": "验证码",
	"text": "您的验证码是123456"
}

http://localhost:8080/send-mail/html

{
	"sendTo": "xxx@163.com",
	"subject": "验证码",
	"text": "<h1>您的验证码是123456</h1>"
}