1. 程式人生 > >Spring Boot中引入mail郵件服務

Spring Boot中引入mail郵件服務

傳送郵件,包括簡單郵件,html郵件,帶附件郵件,內嵌圖片郵件四種類型。

1、配置

pom.xml

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

application.properties

spring.mail.host=mail.xxx.com
spring.mail.username=[email protected]
.com spring.mail.password=123456 spring.mail.default-encoding=UTF-8 mail.fromMail.addr=[email protected].com

2、服務類

MailService.java介面

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, String rscPath, String rscId); }

MailServiceImpl.java實現類

@Component
public class MailServiceImpl implements
MailService{ @Autowired private JavaMailSender mailSender; @Value("${mail.fromMail.addr}") private String from; @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 { //簡單郵件傳送 mailSender.send(message); } catch (Exception e) { e.printStackTrace(); } } @Override public void sendHtmlMail(String to, String subject, String content) { MimeMessage message = mailSender.createMimeMessage(); try { //true表示需要建立一個multipart message MimeMessageHelper helper = new MimeMessageHelper(message, true); helper.setFrom(from); helper.setTo(to); helper.setSubject(subject); helper.setText(content, true); //Html郵件傳送 mailSender.send(message); } catch (MessagingException e) { e.printStackTrace(); } } @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)+1); helper.addAttachment(fileName, file); //傳送帶附件的郵件 mailSender.send(message); } catch (MessagingException e) { e.printStackTrace(); } } @Override public void sendInlineResourceMail(String to, String subject, String content, String rscPath, String rscId) { 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 res = new FileSystemResource(new File(rscPath)); helper.addInline(rscId, res); //傳送正文中有靜態資源(圖片)的郵件 mailSender.send(message); } catch (MessagingException e) { e.printStackTrace(); } } }

3、測試類

要測試哪種型別就放開註釋掉的Test註解,//@Test
MailServiceTest.java

@RunWith(SpringRunner.class)
@SpringBootTest
public class MailServiceTest {
	@Autowired
    private MailService mailService;
	//從配置檔案獲取變數
	@Value("${mail.fromMail.addr}")
    private String from;
    
	//@Test
    public void testSimpleMail() throws Exception {
        mailService.sendSimpleMail(from,"test simple mail"," hello text simple mail");
    }

    //@Test
    public void testHtmlMail() throws Exception {
        String content="<html>\n" +
                "<body>\n" +
                "    <h3>hello world ! html郵件!</h3>\n" +
                "</body>\n" +
                "</html>";

        mailService.sendHtmlMail(from,"test html mail",content);
    }

    //@Test
    public void sendAttachmentsMail() {
        String filePath="/home/cent/Desktop/test.txt";
        mailService.sendAttachmentsMail(from, "帶附件的郵件", "有附件,請查收!", filePath);
    }

    //@Test
    public void sendInlineResourceMail() {
        String rscId = "c4fa0242";
        String content="<html><body>這是有圖片的郵件:<img src=\'cid:" + rscId + "\' ></body></html>";
        String imgPath = "/home/cent/Desktop/c4fa0242.jpg";
        mailService.sendInlineResourceMail(from, "有圖片的郵件", content, imgPath, rscId);
    }
}

嵌入圖片的郵件正文:
嵌入圖片