springboot 学习之路 16(整合email 发送邮件)

springboot整合email：

　　springboot整合email很简单：

　　第一步:添加依赖：

　　　　

　　第二步：配置文件配置：

　　　　有两种一种网易的一种qq的（注意是企业用还是个人用。不注意会出错）【smtp.exmail.qq.com  企业用   |   smtp.qq.com  个人用】

　　　　我只配置个人用的：配置如下：

　　　　　

　　　　注意：qq的授权码是发短信生成的，126的是自己设置的

　　　　

　　第三步：email的实现方法：

　　　　

package com.huhy.demo.email;

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 javax.mail.internet.MimeMessage;
import java.io.File;

/**
 * @author : huhy on 2018/8/16.
 * @Project_name:springboot_self_gitlab
 * @LOCAL:com.huhy.demo.email
 * @description:springboot整合email
 */
@Service
public class MailService {
    private final Logger logger = LoggerFactory.getLogger(this.getClass());

    @Autowired
    private JavaMailSender sender;

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

    /**
     * 发送纯文本的简单邮件
     * @param to
     * @param subject
     * @param content
     */
    public void sendSimpleMail(String to, String subject, String content){
        SimpleMailMessage message = new SimpleMailMessage();
        message.setFrom(from);
        message.setTo(to);
        message.setSubject(subject);
        message.setText(content);
        try {
            sender.send(message);
            logger.info("测试邮件。");
        } catch (Exception e) {
            logger.error("测试邮件发生异常！", e);
        }
    }

    /**
     * 发送html格式的邮件
     * @param to
     * @param subject
     * @param content
     */
    public void sendHtmlMail(String to, String subject, String content){
        MimeMessage message = sender.createMimeMessage();
        try {
            //true表示需要创建一个multipart message
            MimeMessageHelper helper = new MimeMessageHelper(message, true);
            helper.setFrom(from);
            helper.setTo(to);
            helper.setSubject(subject);
            helper.setText(content, true);
            sender.send(message);
            logger.info("html邮件已经发送。");
        } catch (Exception e) {
            logger.error("发送html邮件时发生异常！", e);
        }
    }

    /**
     * 发送带附件的邮件
     * @param to
     * @param subject
     * @param content
     * @param filePath
     */
    public void sendAttachmentsMail(String to, String subject, String content, String filePath){
        MimeMessage message = sender.createMimeMessage();

        try {
            //true表示需要创建一个multipart message
            MimeMessageHelper helper = new MimeMessageHelper(message, true);
            helper.setFrom(from);
            helper.setTo(to);
            helper.setSubject(subject);
            helper.setText(content, true);

            FileSystemResource file = new FileSystemResource(new File(filePath));
            String fileName = filePath.substring(filePath.lastIndexOf(File.separator));
            helper.addAttachment(fileName, file);

            sender.send(message);
            logger.info("带附件的邮件已经发送。");
        } catch (Exception e) {
            logger.error("发送带附件的邮件时发生异常！", e);
        }
    }

    /**
     * 发送嵌入静态资源（一般是图片）的邮件
     * @param to
     * @param subject
     * @param content 邮件内容，需要包括一个静态资源的id，
     * @param rscPath 静态资源路径和文件名
     * @param rscId 静态资源id
     */
    public void sendInlineResourceMail(String to, String subject, String content, String rscPath, String rscId){
        MimeMessage message = sender.createMimeMessage();

        try {
            //true表示需要创建一个multipart message
            MimeMessageHelper helper = new MimeMessageHelper(message, true);
            helper.setFrom(from);
            helper.setTo(to);
            helper.setSubject(subject);
            helper.setText(content, true);

            FileSystemResource res = new FileSystemResource(new File(rscPath));
            helper.addInline(rscId, res);

            sender.send(message);
            logger.info("嵌入静态资源的邮件已经发送。");
        } catch (Exception e) {
            logger.error("发送嵌入静态资源的邮件时发生异常！", e);
        }
    }
}

　　第四步:单元测试：

　　　　

package com.huhy.demo;

import com.huhy.demo.email.MailService;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.test.context.junit4.SpringRunner;

import java.util.HashMap;
import java.util.Map;

@RunWith(SpringRunner.class)
@SpringBootTest
public class SpringbootEmailApplicationTests {

    @Test
    public void contextLoads() {
    }
    @Autowired
    private MailService mailService;

    //接收邮箱
    private String to = "[e-mail]";

    @Test
    public void sendSimpleMail() {
        mailService.sendSimpleMail(to, "主题：简单邮件", "测试邮件内容");
    }


    @Test
    public void sendHtmlMail() {
        Map<String, Object> model = new HashMap<String, Object>();
        model.put("time", System.currentTimeMillis());
        model.put("message", "huhy   测试邮件");
        String content = "111111111111111111111111111111111";

        mailService.sendHtmlMail(to, "主题：html邮件", content);
    }

    @Test
    public void sendAttachmentsMail() {
        mailService.sendAttachmentsMail(to, "主题：带附件的邮件", "有附件，请查收！", "C:\\Users\\Administrator\\Desktop\\1.png");
    }

    @Test
    public void sendInlineResourceMail() {
        String rscId = "huhy";
        mailService.sendInlineResourceMail(to,
                "主题：嵌入静态资源的邮件",
                "<html><body>这是有嵌入静态资源：<img src=\'cid:" + rscId + "\' ></body></html>",
                "C:\\Users\\Administrator\\Desktop\\1.png",
                rscId);
    }


}