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spring|springboot发送邮件工具类

javaspringboot

maven依赖

org.springframework.boot spring-boot-starter-mail 2.6.4

编写工具类
package cn.sdu.weblab.util; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.beans.factory.annotation.Autowired; 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 javax.mail.MessagingException; import javax.mail.internet.MimeMessage; import java.io.File; @Component public class MailUtil {private static final Logger logger = LoggerFactory.getLogger(MailUtil.class); //@Value("${spring.mail.username}") private static String from="cjt18338538827@163.com"; private static JavaMailSender mailSender; @Autowired publicvoid setMailSender(JavaMailSender javaMailSender) { this.mailSender = javaMailSender; }/** * 简单文本邮件 * * @param to接收者邮件 * @param subject 邮件主题 * @param contnet 邮件内容 */ public static voidsendSimpleMail(String to, String subject, String contnet) {SimpleMailMessage message = new SimpleMailMessage(); message.setTo(to); message.setSubject(subject); message.setText(contnet); message.setFrom(from); boolean b = mailSender == null; mailSender.send(message); }/** * HTML 文本邮件 * * @param to接收者邮件 * @param subject 邮件主题 * @param contnet HTML内容 * @throws MessagingException */ public static void sendHtmlMail(String to, String subject, String contnet) throws MessagingException { MimeMessage message = mailSender.createMimeMessage(); MimeMessageHelper helper = new MimeMessageHelper(message, true); helper.setTo(to); helper.setSubject(subject); helper.setText(contnet, true); helper.setFrom(from); mailSender.send(message); }/** * 附件邮件 * * @param to接收者邮件 * @param subject邮件主题 * @param contnetHTML内容 * @param filePath 附件路径 * @throws MessagingException */ public static void sendAttachmentsMail(String to, String subject, String contnet, String filePath) throws MessagingException { MimeMessage message = mailSender.createMimeMessage(); MimeMessageHelper helper = new MimeMessageHelper(message, true); helper.setTo(to); helper.setSubject(subject); helper.setText(contnet, true); helper.setFrom(from); FileSystemResource file = new FileSystemResource(new File(filePath)); String fileName = file.getFilename(); helper.addAttachment(fileName, file); mailSender.send(message); }/** * 图片邮件 * * @param to接收者邮件 * @param subject 邮件主题 * @param contnet HTML内容 * @param rscPath 图片路径 * @param rscId图片ID * @throws MessagingException */ public static void sendInlinkResourceMail(String to, String subject, String contnet, String rscPath, String rscId) { logger.info("发送静态邮件开始: {},{},{},{},{}", to, subject, contnet, rscPath, rscId); MimeMessage message = mailSender.createMimeMessage(); MimeMessageHelper helper = null; try {helper = new MimeMessageHelper(message, true); helper.setTo(to); helper.setSubject(subject); helper.setText(contnet, true); helper.setFrom(from); FileSystemResource res = new FileSystemResource(new File(rscPath)); helper.addInline(rscId, res); mailSender.send(message); logger.info("发送静态邮件成功!"); } catch (MessagingException e) { logger.info("发送静态邮件失败: ", e); }}}

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