Java发送邮件工具类

工具类代码如下:

import java.util.Properties;
import javax.mail.*;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;

import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.PropertySource;

/**
 * 发送邮件工具类
 * 基于JavaMail
 * @author MrXiao
 * @version 1.0.0
 */
@Configuration
@PropertySource("classpath:config/config.properties")
public class MailUtil {

	// 发件人电子邮箱
	private static String from;
	// 指定发送邮件的主机
	private static String host;
	private static String userName;
	private static String password;
	private static String subject;

	public static void sendMail(String mailAddress, String authCode) throws Exception {
		// 获取系统属性
		Properties properties = new Properties();
		properties.load(MailUtil.class.getClassLoader().getResourceAsStream("config/config.properties"));
		
		// 设置邮件服务器
		properties.put("mail.smtp.host", host);
		// 开启ssl加密
		properties.put("mail.smtp.auth", "true");
		// 获取默认session对象
		Session session = Session.getDefaultInstance(properties, new Authenticator() {
			public PasswordAuthentication getPasswordAuthentication() {
				return new PasswordAuthentication(userName, password); // 发件人邮件用户名、密码
			}
		});

		try {
			// 创建默认的 MimeMessage 对象
			MimeMessage message = new MimeMessage(session);

			// Set From: 头部头字段
			message.setFrom(new InternetAddress(from));

			// Set To: 头部头字段
			message.addRecipient(Message.RecipientType.TO, new InternetAddress(mailAddress));
			message.addRecipients(MimeMessage.RecipientType.CC, InternetAddress.parse(userName));
			// Set Subject: 头部头字段
			message.setSubject(subject);
			// 获取随机验证码

			// 设置消息体
			message.setText("随机数:" + authCode + "开发测试使用");
			// 发送消息
			Transport.send(message);
			System.out.println("邮件发送成功——————————————————————");
			System.out.println("收件人:" + mailAddress);
			System.out.println("验证码:" + authCode);
			System.out.println("邮件发送结束——————————————————————");
		} catch (MessagingException mex) {
			mex.printStackTrace();
		}
	}

	@Value("${mail.from}")
	public void setFrom(String from) {
		MailUtil.from = from;
	}

	@Value("${mail.host}")
	public void setHost(String host) {
		MailUtil.host = host;
	}

	@Value("${mail.userName}")
	public void setUserName(String userName) {
		MailUtil.userName = userName;
	}

	@Value("${mail.password}")
	public void setPassword(String password) {
		MailUtil.password = password;
	}

	@Value("${mail.subject}")
	public void setSubject(String subject) {
		MailUtil.subject = subject;
	}

}

配置文件内容如下:

# Mail Config
# 发件人邮箱
email.from=
# 发件人邮件服务器 例如:smtp.126.com
email.host=smtp.126.com
# 发件人用户名 注意:QQ邮箱比较坑,只写QQ号就好,不要写全址
email.userName=xiaofanchen0217@126.com
# 邮箱密码 注意:这个密码是授权码,不是邮箱密码
email.password=ShouQuanMa0217
# 工具类 

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