java郵件發送

工做中有java郵件發送 用了原生的javax.mail 分享一下

// MailUtils
import java.util.Properties;
import javax.mail.Authenticator;
import javax.mail.Message;
import javax.mail.PasswordAuthentication;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;

import org.apache.ibatis.io.Resources;


public class MailUtils {
  public static String sendMail(String title, String content, String ToAdress, String Toname, String fromName) {
    String sendStatic = MailStatus.FAIL.getTitle();
    
    
    
    try {
      Properties propsMail = Resources.getResourceAsProperties("jdbc.properties");
      String host = propsMail.getProperty("mailHost");
      String port = propsMail.getProperty("mailPort");
      /* * Properties是一個屬性對象，用來建立Session對象 */
      Properties props = new Properties();
      props.setProperty("mail.smtp.host", host);
      props.setProperty("mail.smtp.port", port);
      props.setProperty("mail.smtp.auth", "true");
      props.setProperty("mail.smtp.ssl.enable", "false");// "true"
      props.setProperty("mail.smtp.connectiontimeout", "5000");
      
      final String user = propsMail.getProperty("mailUserName");// 用戶名
      final String pwd = propsMail.getProperty("mailUserPass");// 密碼
      /* * Session類定義了一個基本的郵件對話。 */
      Session session = Session.getInstance(props, new Authenticator() {
        @Override
        protected PasswordAuthentication getPasswordAuthentication() {
          // 登陸用戶名密碼
          return new PasswordAuthentication(user, pwd);
        }
      });
      session.setDebug(true);
      /* * Transport類用來發送郵件。 傳入參數smtp，transport將自動按照smtp協議發送郵件。 */
      Transport transport = session.getTransport("smtp");
      transport.connect(host, user, pwd);

      /* * Message對象用來儲存實際發送的電子郵件信息 */
      MimeMessage message = new MimeMessage(session);
      message.setSubject(title);
      // 消息發送者接收者設置(發件地址，暱稱)，收件人看到的暱稱是這裏設定的
      message.setFrom(new InternetAddress(user, fromName));
      message.addRecipients(Message.RecipientType.TO,
          new InternetAddress[] { new InternetAddress(ToAdress, Toname), });
      message.saveChanges();

      // 設置郵件內容及編碼格式
      // 後一個參數能夠不指定編碼，如"text/plain"，可是將不能顯示中文字符
      message.setContent(content, "text/html;charset=utf-8");
      Transport.send(message);

      transport.close();
      sendStatic = MailStatus.SUCCESS.getTitle();
    } catch (Exception e) {
      sendStatic = MailStatus.FAIL.getTitle();
      System.exit(0);
    }
    return sendStatic;
  }

  public static void main(String[] args) {
    
    MailUtils ma = new MailUtils();
    ma.sendMail("標題", "你好你的郵件", "xxxx@xxxx", "發送姓名", "系統提示");
    System.exit(0);
  }

}

複製代碼

public enum MailStatus {
  SUCCESS("SUCCESS", "1"), FAIL("FAIL", "0");

  // 成員變量
  private String title;
  private String content;

  // 構造方法
  private MailStatus(String title, String content) {
    this.title = title;
    this.content = content;
  }

  public String getTitle() {
    return title;
  }

  public void setTitle(String title) {
    this.title = title;
  }

  public String getContent() {
    return content;
  }

  public void setContent(String content) {
    this.content = content;
  }
}

複製代碼