MailUtil 工具类 - 工具类 - java - 计算机学科 | D & PersonalBlog = D の Java = 别怕路长梦远

	<!--java mail 依赖 -->
	<dependency>
	<groupId>org.eclipse.angus</groupId>
	<artifactId>jakarta.mail</artifactId>
	</dependency>

	<dependency>
	<groupId>com.sun.activation</groupId>
	<artifactId>jakarta.activation</artifactId>
	<version>2.0.1</version>
	</dependency>

	package com.dkx.pojo;

	import org.springframework.boot.context.properties.ConfigurationProperties;
	import org.springframework.stereotype.Component;

	@Component("properties")
	@ConfigurationProperties(prefix = "mail")
	@SuppressWarnings("all")
	public class EmailProperties {
	// 发件人邮箱
	// @Value("${mail.user}")
	public String user;
	// 发件人邮箱授权码
	// @Value("${mail.code}")
	public String code;
	// 发件人邮箱对应的服务器域名，如果是 163 邮箱：smtp.163.com，qq 邮箱：smtp.qq.com
	// @Value("${mail.host}")
	public String host;
	// 身份验证开关
	// @Value("${mail.auth}")
	private boolean auth;

	public String getUser() {
	return user;
	}

	public void setUser(String user) {
	this.user = user;
	}

	public String getCode() {
	return code;
	}

	public void setCode(String code) {
	this.code = code;
	}

	public String getHost() {
	return host;
	}

	public void setHost(String host) {
	this.host = host;
	}

	public boolean isAuth() {
	return auth;
	}

	public void setAuth(boolean auth) {
	this.auth = auth;
	}
	}

	public class MailUtil {
	/**
	* 发送邮件
	* @param emailProperties 发件人信息 (发件人邮箱，发件人授权码) 及邮件服务器信息 (邮件服务器域名，身份验证开关)
	* @param to 收件人邮箱
	* @param title 邮件标题
	* @param content 邮件正文
	* @return
	*/
	public static boolean sendMail(EmailProperties emailProperties, String to, String title, String content) {
	Properties props = new Properties();
	props.put("mail.smtp.host", emailProperties.host);
	props.put("mail.smtp.auth", emailProperties.isAuth());
	Session session = Session.getInstance(props, new Authenticator() {
	@Override
	protected PasswordAuthentication getPasswordAuthentication() {
	if (Boolean.valueOf(emailProperties.isAuth())) {
	PasswordAuthentication auto =
	new PasswordAuthentication(emailProperties.user, emailProperties.code);
	return auto;
	}
	return super.getPasswordAuthentication();
	}
	});
	try {
	MimeMessage msg = new MimeMessage(session);
	msg.setFrom(emailProperties.user);
	msg.setRecipients(Message.RecipientType.TO,
	to);
	msg.setSubject(title);
	msg.setSentDate(new Date());
	msg.setText(content + "\n");
	Transport.send(msg);
	} catch (MessagingException e) {
	System.out.println("send failed, exception: " + e);
	return false;
	}
	return true;
	}
	}