<!-- 邮件 --> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-mail</artifactId> </dependency>
# 邮箱的配置 ## 邮箱服务器地址 spring.mail.host=smtp.163.com ## 用户名 spring.mail.username=邮箱全名 ## 密码 spring.mail.password=邮箱的授权码,不是登录密码 ## 编码格式 spring.mail.default-encoding=UTF-8 ## 以谁来发邮件 mail.fromMail.addr=邮箱全名
public interface MailService {
public void sendSimpleMail(String to, String subject, String content);
public void sendHtmlMail(String to, String subject, String content);
public void sendAttachmentsMail(String to, String subject, String content, String filePath);
public void sendInlineResourceMail(String to, String subject, String content, Map<String, String> rscPath);
}
import java.io.File;
import java.util.Map;
import javax.mail.MessagingException;
import javax.mail.internet.MimeMessage;
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.Component;
import com.example.demo.service.MailService;
/**
* 发送邮件
* @author Leruan
*
*/
@Component
public class MailServiceImpl implements MailService {
private final Logger logger = LoggerFactory.getLogger(this.getClass());
@Autowired
private JavaMailSender mailSender;
@Value("${mail.fromMail.addr}")
private String from;
/**
* 简单的发送邮件
*/
@Override
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 {
mailSender.send(message);
logger.info("简单邮件已经发送。");
} catch (Exception e) {
logger.error("发送简单邮件时发生异常！", e);
}
}
/**
* 发送html格式的邮件
*/
@Override
public void sendHtmlMail(String to, String subject, String content) {
MimeMessage message = mailSender.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);
mailSender.send(message);
logger.info("html邮件发送成功");
} catch (MessagingException e) {
logger.error("发送html邮件时发生异常！", e);
}
}
/**
* 发送带附件的邮件
*/
@Override
public void sendAttachmentsMail(String to, String subject, String content, String filePath) {
MimeMessage message = mailSender.createMimeMessage();
try {
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);
mailSender.send(message);
logger.info("带附件的邮件已经发送。");
} catch (MessagingException e) {
logger.error("发送带附件的邮件时发生异常！", e);
}
}
@Override
/**
* 发送嵌入静态资源的邮件
*/
public void sendInlineResourceMail(String to, String subject, String content, Map<String, String> rscPath) {
MimeMessage message = mailSender.createMimeMessage();
try {
MimeMessageHelper helper = new MimeMessageHelper(message, true);
helper.setFrom(from);
helper.setTo(to);
helper.setSubject(subject);
helper.setText(content, true);
for (String key : rscPath.keySet()) {
FileSystemResource res = new FileSystemResource(new File(rscPath.get(key)));
helper.addInline(key, res);
}
mailSender.send(message);
logger.info("嵌入静态资源的邮件已经发送。");
} catch (MessagingException e) {
logger.error("发送嵌入静态资源的邮件时发生异常！", e);
}
}
}
/**
* 邮件测试
* @author Leruan
*
*/
@SpringBootTest
@RunWith(SpringRunner.class)
public class MailServiceTest {
@Autowired
private MailService mailService;
@Test
/**
* 简单邮件的测试
* @throws Exception
*/
public void testSimpleMail() throws Exception {
mailService.sendSimpleMail("mmengjinghua@163.com", "给华爷的一封信", "我爱你,华爷");
}
}
@Test
/**
* html格式的邮件测试
* @throws Exception
*/
public void testHtmlMail() throws Exception {
String content = "<html>\n" + "<body>\n" + " <h3>亲爱的华爷:你好!!!</h3>\n" + "</body>\n" + "</html>";
mailService.sendHtmlMail("mmengjinghua@163.com", "致华爷的一封信", content);
}
@Test
/**
* 测试带附件的邮件发送
*/
public void sendAttachmentsMail() {
String filePath = "C:\\Users\\Leruan\\Desktop\\测试用-图片\\sdfgsdfgsfdgsfdg.jpg";
mailService.sendAttachmentsMail("mmengjinghua@163.com", "主题：带附件的邮件", "有附件，请查收！", filePath);
}
@Test
/**
* 发送带嵌入图片的邮件
*/
public void sendInlineResourceMail() {
String rscId = "neo006";
String rscId2 = "007";
String rscId3 = "008";
String imgPath = "C:\\Users\\Leruan\\Desktop\\测试用-图片\\fhgjfgjh.jpg";
String imgPath2 = "C:\\Users\\Leruan\\Desktop\\测试用-图片\\fdgdrtreh.jpg";
String imgPath3 = "C:\\Users\\Leruan\\Desktop\\测试用-图片\\和钢结构焊接.jpg";
Map<String, String> map = new HashMap<String, String>();
map.put(rscId, imgPath);
map.put(rscId2, imgPath2);
map.put(rscId3, imgPath3);
String content = "<html><body>这是有图片的邮件：" + "<br/>第一行图片:<br/><img src=\‘cid:" + rscId
+ "\‘ ><br/>第二行图片:<br/><img src=\‘cid:" + rscId2 + "\‘ ><br/>第三行图片:<br/><img src=\‘cid:" + rscId3
+ "\‘ ></body></html>";
mailService.sendInlineResourceMail("mmengjinghua@163.com", "主题：这是有图片的邮件", content, map);
}
<!-- thymeleaf模板 --> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-thymeleaf</artifactId> </dependency>
<!DOCTYPE html>
<html lang="zh" xmlns:th="http://www.thymeleaf.org">
<head>
<meta charset="UTF-8"/>
<title>Title</title>
</head>
<body>
您好,这是验证邮件,请点击下面的链接完成验证,<br/>
<a href="#" th:href="@{ http://www.baidu.com/huaye/{id}(id=${id}) }">激活账号</a>
</body>
</html>
@Autowired
private TemplateEngine templateEngine;
@Test
/**
* 测试模板类型的邮件
*/
public void sendTemplateMail() {
//创建邮件正文
Context context = new Context();
context.setVariable("id", "006");
String emailContent = templateEngine.process("emailTemplate", context);
mailService.sendHtmlMail("mmengjinghua@163.com", "主题：这是模板邮件", emailContent);
}
原文：https://www.cnblogs.com/javamjh/p/10368715.html