JavaMail郵件發送

 最近項目需要做了一個例子..跟大家分享~~~ 有問題我們可以一起交流.~~~

 

package com.me.util.mail;

import java.util.Properties;

import javax.activation.DataHandler;
import javax.activation.FileDataSource;
import javax.mail.Address;
import javax.mail.BodyPart;
import javax.mail.Message;
import javax.mail.Multipart;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeBodyPart;
import javax.mail.internet.MimeMessage;
import javax.mail.internet.MimeMultipart;

/**
 * @author kangkang http://corncc.ikdiy.com 2005.4.14
 */
public class Mail {
	// 21-30行把本程序所用變量進行定義。 具體在main中對它們賦植。
	private MimeMessage mimeMsg; // MIME郵件對象
	private Session session; // 郵件會話對象
	private Properties props; // 系統屬性
	private boolean needAuth = false; // smtp是否需要認證
	private String username = ""; // smtp認證用戶名和密碼
	private String password = "";
	private Multipart mp; // Multipart對象,郵件內容,標題,附件等內容均添加到其中後再生成//MimeMessage對象

	public Mail(String smtp) {
		setSmtpHost(smtp);
		createMimeMessage();
	}

	/**
	 * @param hostName
	 *            String
	 */
	public void setSmtpHost(String hostName) {
		System.out.println("設置系統屬性：mail.smtp.host = " + hostName);
		if (props == null)
			props = System.getProperties(); // 獲得系統屬性對象
		props.put("mail.smtp.host", hostName); // 設置SMTP主機
	}

	/**
	 * @return boolean
	 * 
	 */
	public boolean createMimeMessage() {
		try {
			System.out.println("準備獲取郵件會話對象！");
			session = Session.getDefaultInstance(props, null); // 獲得郵件會話對象
		} catch (Exception e) {
			System.err.println("獲取郵件會話對象時發生錯誤！" + e);
			return false;
		}
		System.out.println("準備創建MIME郵件對象！");
		try {
			mimeMsg = new MimeMessage(session); // 創建MIME郵件對象
			mp = new MimeMultipart(); // mp 一個multipart對象
			// Multipart is a container that holds multiple body parts.
			return true;
		} catch (Exception e) {
			System.err.println("創建MIME郵件對象失敗！" + e);
			return false;
		}
	}

	/**
	 * @param need
	 *            boolean
	 * 
	 */
	public void setNeedAuth(boolean need) {
		System.out.println("設置smtp身份認證：mail.smtp.auth = " + need);
		if (props == null)
			props = System.getProperties();
		if (need) {
			props.put("mail.smtp.auth", "true");
		} else {
			props.put("mail.smtp.auth", "false");
		}
	}

	/**
	 * 
	 * @param name
	 *            String
	 * 
	 * @param pass
	 *            String
	 * 
	 */
	public void setNamePass(String name, String pass) {
		System.out.println("程序得到用戶名與密碼");
		username = name;
		password = pass;
	}

	/**
	 * 
	 * @param mailSubject
	 *            String
	 * @return boolean
	 * 
	 */
	public boolean setSubject(String mailSubject) {
		System.out.println("設置郵件主題！");
		try {
			mimeMsg.setSubject(mailSubject);
			return true;
		} catch (Exception e) {
			System.err.println("設置郵件主題發生錯誤！");
			return false;
		}
	}

	/**
	 * 
	 * @param mailBody
	 *            String
	 * 
	 */
	public boolean setBody(String mailBody) {
		try {
			System.out.println("設置郵件體格式");
			BodyPart bp = new MimeBodyPart();
			bp.setContent(
					"<meta http-equiv=Content-Type content=text/html; charset=gb2312>"
							+ mailBody, "text/html;charset=GB2312");
			mp.addBodyPart(bp);
			return true;
		} catch (Exception e) {
			System.err.println("設置郵件正文時發生錯誤！" + e);
			return false;
		}
	}

	/**
	 * 
	 * @param name
	 *            String
	 * @param pass
	 *            String
	 */
	public boolean addFileAffix(String filename) {
		System.out.println("增加郵件附件：" + filename);
		try {
			BodyPart bp = new MimeBodyPart();
			FileDataSource fileds = new FileDataSource(filename);
			bp.setDataHandler(new DataHandler(fileds));
			bp.setFileName(fileds.getName());
			mp.addBodyPart(bp);
			return true;
		} catch (Exception e) {
			System.err.println("增加郵件附件：" + filename + "發生錯誤！" + e);
			return false;
		}
	}

	/**
	 * @param name
	 *            String
	 * 
	 * @param pass
	 *            String
	 */
	public boolean setFrom(String from) {
		System.out.println("設置發信人！");
		try {
			mimeMsg.setFrom(new InternetAddress(from)); // 設置發信人
			return true;
		} catch (Exception e) {
			return false;
		}
	}

	/**
	 * @param name
	 *            String
	 * 
	 * @param pass
	 *            String
	 * 
	 */
	public boolean setTo(String to) {
		System.out.println("設置收信人");
		if (to == null)
			return false;
		try {
			mimeMsg.setRecipients(Message.RecipientType.TO,
					InternetAddress.parse(to));
			return true;
		} catch (Exception e) {
			return false;
		}
	}

	/**
	 * @param name
	 *            String
	 * 
	 * @param pass
	 *            String
	 */
	public boolean setCopyTo(String copyto) {
		System.out.println("發送附件到");
		if (copyto == null)
			return false;
		try {
			mimeMsg.setRecipients(Message.RecipientType.CC,
					(Address[]) InternetAddress.parse(copyto));
			return true;
		} catch (Exception e) {
			return false;
		}
	}

	/**
	 * @param name
	 *            String
	 * 
	 * @param pass
	 *            String
	 * 
	 */
	public boolean sendout() {
		try {
			mimeMsg.setContent(mp);
			mimeMsg.saveChanges();
			System.out.println("正在發送郵件....");
			Session mailSession = Session.getInstance(props, null);
			Transport transport = mailSession.getTransport("smtp"); // ？？？
			transport.connect((String) props.get("mail.smtp.host"), username,
					password);
			transport.sendMessage(mimeMsg,
					mimeMsg.getRecipients(Message.RecipientType.TO));
			// transport.send(mimeMsg);
			System.out.println("發送郵件成功！");
			transport.close();
			return true;
		} catch (Exception e) {
			System.err.println("郵件發送失敗！" + e);
			return false;
		}
	}

	/**
	 * Just do it as this
	 */
	public static void main(String[] args) {
		String mailbody = "http://www.laabc.com 用戶郵件註冊測試 <font color=red>歡迎光臨</font> <a href=\"http://www.laabc.com\">啦ABC</a>";
		Mail themail = new Mail("smtp.163.com");
		themail.setNeedAuth(true);
		if (themail.setSubject("laabc.com郵件測試") == false)
			return;
		// 郵件內容 支持html 如 <font color=red>歡迎光臨</font> <a
		// href=\"http://www.laabc.com\">啦ABC</a>
		if (themail.setBody(mailbody) == false)
			return;
		// 收件人郵箱
		if (themail.setTo("[email protected]") == false)
			return;
		// 發件人郵箱
		if (themail.setFrom("[email protected]") == false)
			return;
		// 設置附件
		 if (themail.addFileAffix("C:\\TwoColorBall.java") == false)
		 return; // 附件在本地機子上的絕對路徑
		themail.setNamePass("lisi", "{password}"); // 用戶名與密碼 ("用戶名不要後綴", "{密碼}")
		if (themail.sendout() == false)
			return;
	}
}