javaxmail发邮件工具类JavaEmailUtils

package com.chen.test;

import java.io.File;
import java.io.UnsupportedEncodingException;
import java.util.ArrayList;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Properties;
import java.util.Set;

import javax.activation.DataHandler;
import javax.activation.FileDataSource;
import javax.mail.MessagingException;
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.MimeMessage.RecipientType;
import javax.mail.internet.MimeMultipart;
import javax.mail.internet.MimeUtility;



//邮箱工具类
public class JavaEmailUtils {

	// 发信人的Email地址
	private static String fromEmailAccount;
	// 发信人的称呼
	private static String fromEmailShow;
	// 发信人的Email邮箱密码
	private static String fromEmailPassword;
	// 收信人的Email地址
	private static String toEmailAccount;
	// 收信人的称呼
	private static String toEmailShow;
	// 发信人邮箱的SMTP服务器地址
	private static String formEmailSMTPHOST;
	// 发信人邮箱的POP3服务器地址
	private static String formEmailPOP3HOST;
	// 发信人邮箱的IMAP服务器地址
	private static String formEmailIMAPHOST;
	// 连接邮件服务器的参数配置
	private static Properties properties;
	// 是否是SMTP协议
	private static Boolean isSMTP;
	// 是否是SSL连接
	private static Boolean isSSL;
	// 邮件主题
	private static String emailSubject;
	// 邮件内容
	private static String emailContent;
	//用于添加到邮件中的图片
	private static Map imageFilesMap;
	//用于添加到邮件中的附件
	private static List attachContentsList;
	// 邮件发送日期
	private static Date emailSendDate;
	// 邮件编码
	private final static String EMAIL_CHARSET = "UTF-8";
	// 邮件内容编码
	private final static String CONTENT_CHARSET = "text/html;charset=UTF-8";

	// 初始化
	private static void initEmail() {
		
		// 默认配置一些邮件信息
		// 默认配置发信人的Email地址
		if (JavaEmailUtils.fromEmailAccount == null) {
			// 发信人的Email地址（这是我注册的一个测试用的邮箱）
			JavaEmailUtils.fromEmailAccount = "[email protected]";
			// 发信人的Email邮箱密码
			JavaEmailUtils.fromEmailPassword = "test123";
			// 发件人的服务器地址
			JavaEmailUtils.formEmailSMTPHOST = "smtp.126.com";
		}
		// 默认配置发信人称呼
		if (JavaEmailUtils.fromEmailShow == null) {
			// 发信人称呼位邮箱前缀
			JavaEmailUtils.fromEmailShow = JavaEmailUtils.fromEmailAccount.substring(0,
					JavaEmailUtils.fromEmailAccount.indexOf("@"));
		}
		// 默认配置收信人的称呼
		if (JavaEmailUtils.toEmailShow == null) {
			if(JavaEmailUtils.toEmailAccount!=null){
			// 收信人的称呼为收件人邮箱前缀
			JavaEmailUtils.toEmailShow = JavaEmailUtils.toEmailAccount.substring(0,
					JavaEmailUtils.toEmailAccount.indexOf("@"));
			}
		}
		// 默认使用SMTP协议
		if (JavaEmailUtils.isSMTP == null) {
			JavaEmailUtils.isSMTP = true;
		}
		// 默认不使用SSL安全认证协议
		if (JavaEmailUtils.isSSL == null) {
			JavaEmailUtils.isSSL = false;
		}
		// 默认邮件内容为 Hello World
		if (JavaEmailUtils.emailContent == null) {
			JavaEmailUtils.emailContent = "
Hello,World!
";
		}
		// 默认邮件主题为内容前两个字
		if (JavaEmailUtils.emailSubject == null) {
			// 选择21是因为默认邮件内容长度是21
			if (JavaEmailUtils.emailContent.length() >= 21) {
				JavaEmailUtils.emailSubject = JavaEmailUtils.emailContent.substring(0, 21);
			} else {
				JavaEmailUtils.emailSubject = JavaEmailUtils.emailContent;
			}
		}
		// 默认邮件发送日期为当前时间
		if (JavaEmailUtils.emailSendDate == null) {
			JavaEmailUtils.emailSendDate = new Date();
		}

		// 实例化Properties
		properties = new Properties();

		// 如果是SMTP协议
		if (isSMTP) {
			properties = setSMTPProps(properties);
		}

		// 如果为 SSL 安全认证（连接失败, 要求 SSL 安全连接时使用）
		if (isSSL) {
			properties = setSSLProps(properties);
		}
	}

	// SMTP协议
	private static Properties setSMTPProps(Properties properties) {
		// 指定默认消息传输协议。该
		// Session方法getTransport()返回实现此协议的Transport对象。默认情况下，返回配置文件中的第一个传输提供程序。
		String transportProtocolKEY = "mail.transport.protocol";
		// 指定协议的邮件服务器的主机名。覆盖mail.host属性。
		String smtpHostKEY = "mail.smtp.host";
		// 指定协议的邮件服务器的端口号。如果未指定，则使用协议的默认端口号。(一般不用设置)
		String smtpPortKEY = "mail.smtp.port";
		// 使用指定的协议连接到邮件服务器时要使用的用户名。覆盖mail.user属性。(一般不用设置)
		String smtpUserKEY = "mail.smtp.user";
		// 如果为true，则尝试使用AUTH命令认证用户。默认为false。
		String smtpAuthKEY = "mail.smtp.auth";

		// 设置协议为smtp
		String transportProtocolVALUE = "smtp";
		properties.setProperty(transportProtocolKEY, transportProtocolVALUE);
		// 发件人的邮箱的 SMTP 服务器地址
		properties.setProperty(smtpHostKEY, formEmailSMTPHOST);
		// 需要请求认证
		properties.setProperty(smtpAuthKEY, "true");
		return properties;
	}

	// SSL 安全认证
	private static Properties setSSLProps(Properties properties) {
		// 如果为 SSL 安全认证（连接失败, 要求 SSL 安全连接时使用）
		// 如果set，则指定实现该javax.net.SocketFactory接口的类的名称 。此类将用于创建SMTP套接字。
		String socketFactoryClassKEY = "mail.smtp.socketFactory.class";
		// 如果设置为true，则无法使用指定的套接字工厂类创建套接字将导致使用java.net.Socket该类创建套接字。默认为true。
		String socketFactoryFallbackKEY = "mail.smtp.socketFactory.fallback";
		// 指定使用指定套接字工厂时要连接的端口。如果未设置，将使用默认端口。
		String socketFactoryPortKEY = "mail.smtp.socketFactory.port";

		// SMTP 服务器的端口 (非 SSL 连接的端口一般默认为 25, 可以不添加, 如果开启了 SSL 连接,需要改为对应邮箱的 SMTP
		// 服务器的端口
		// QQ邮箱的SMTP(SLL)端口为465或587
		String sslSmtpPortVALUE = "465";
		// 设置端口号
		properties.setProperty(socketFactoryPortKEY, sslSmtpPortVALUE);
		// 指定javax.net.ssl.SSLSocketFactory 。此类将用于创建SMTP套接字。
		String socketFactoryClassVALUE = "javax.net.ssl.SSLSocketFactory";
		// 指定javax.net.ssl.SSLSocketFactory用于创建SMTP套接字。
		properties.setProperty(socketFactoryClassKEY, socketFactoryClassVALUE);
		// 设置使用指定的套接字工厂类创建套接字
		properties.setProperty(socketFactoryFallbackKEY, "false");
		return properties;
	}
	//发送邮件(收件人是多个)
	//toEmailAccountMap：收件人map
	//emailContent：邮件内容
	//imageFilesMap:邮件图片集
	//attachContentsList：邮件附件集
	public static void sendEmil(Map toEmailAccountMap, String emailContent,Map imageFilesMap,List attachContentsList)
			throws UnsupportedEncodingException, MessagingException {
		sendEmil(null, null, null, null, null, null, null, null, null, emailContent, null,toEmailAccountMap,imageFilesMap,attachContentsList);
	}
	//发送邮件(收件人是多个)
	//toEmailAccountMap：收件人map
	//emailSubject:邮件主题
	//emailContent：邮件内容
	//imageFilesMap:邮件图片集
	//attachContentsList：邮件附件集
	public static void sendEmil(Map toEmailAccountMap,String emailSubject, String emailContent,Map imageFilesMap,List attachContentsList)
			throws UnsupportedEncodingException, MessagingException {
		sendEmil(null, null, null, null, null, null, null, null, emailSubject, emailContent, null,toEmailAccountMap,imageFilesMap,attachContentsList);
	}
	//发送邮件(收件人是多个)
	//fromEmailAccount：发送人邮箱
	//fromEmailPassword：发送人邮箱密码
	//toEmailAccountMap：收件人map
	//formEmailSMTPHOST：发送人邮箱SMTP服务器地址
	//emailSubject:邮件主题
	//emailContent：邮件内容
	//imageFilesMap:邮件图片集
	//attachContentsList：邮件附件集
	public static void sendEmil(String fromEmailAccount, String fromEmailPassword, Map toEmailAccountMap,
			String formEmailSMTPHOST, String emailSubject, String emailContent,Map imageFilesMap,List attachContentsList)
			throws UnsupportedEncodingException, MessagingException {
		sendEmil(fromEmailAccount, null, fromEmailPassword, null, null, formEmailSMTPHOST, null, null,
				emailSubject, emailContent, null,toEmailAccountMap,imageFilesMap,attachContentsList);
	}

	//imageFilesMap:邮件图片集
	//attachContentsList：邮件附件集
	public static void sendEmil(String fromEmailAccount, String fromEmailPassword, Map toEmailAccountMap,
			String formEmailSMTPHOST, String emailSubject, String emailContent,Map imageFilesMap,List attachContentsList, Date emailSendDate)
			throws UnsupportedEncodingException, MessagingException {
		sendEmil(fromEmailAccount, null, fromEmailPassword, null, null, formEmailSMTPHOST, null, null,
				emailSubject, emailContent, emailSendDate,toEmailAccountMap,imageFilesMap,attachContentsList);
	}

	//imageFilesMap:邮件图片集
	//attachContentsList：邮件附件集
	public static void sendEmil(String fromEmailAccount, String fromEmailShow, String fromEmailPassword,
			Map toEmailAccountMap, String formEmailSMTPHOST, String emailSubject,
			String emailContent,Map imageFilesMap,List attachContentsList, Date emailSendDate) throws UnsupportedEncodingException, MessagingException {
		sendEmil(fromEmailAccount, fromEmailShow, fromEmailPassword, null, null, formEmailSMTPHOST,
				null, null, emailSubject, emailContent, emailSendDate,toEmailAccountMap,imageFilesMap,attachContentsList);
	}
	//发送邮件(收件人是一个)
	//toEmailAccount：收件人邮箱
	//emailContent：邮件内容
	//imageFilesMap:邮件图片集
	//attachContentsList：邮件附件集
	public static void sendEmil(String toEmailAccount, String emailContent,Map imageFilesMap,List attachContentsList)
			throws UnsupportedEncodingException, MessagingException {
		sendEmil(null, null, null, toEmailAccount, null, null, null, null, null, emailContent, null,null,imageFilesMap,attachContentsList);
	}
	//发送邮件(收件人是一个)
	//toEmailAccount：收件人邮箱
	//emailSubject:邮件主题
	//emailContent：邮件内容
	//imageFilesMap:邮件图片集
	//attachContentsList：邮件附件集
	public static void sendEmil(String toEmailAccount, String emailSubject, String emailContent,Map imageFilesMap,List attachContentsList)
			throws UnsupportedEncodingException, MessagingException {
		sendEmil(null, null, null, toEmailAccount, null, null, null, null, emailSubject, emailContent, null,null,imageFilesMap,attachContentsList);
	}
	//发送邮件(收件人是多个)
		//fromEmailAccount：发送人邮箱
		//fromEmailPassword：发送人邮箱密码
		//toEmailAccount：收件人邮箱
		//formEmailSMTPHOST：发送人邮箱SMTP服务器地址
		//emailSubject:邮件主题
		//emailContent：邮件内容
	//imageFilesMap:邮件图片集
	//attachContentsList：邮件附件集
	public static void sendEmil(String fromEmailAccount, String fromEmailPassword, String toEmailAccount,
			String formEmailSMTPHOST, String emailSubject, String emailContent,Map imageFilesMap,List attachContentsList)
			throws UnsupportedEncodingException, MessagingException {
		sendEmil(fromEmailAccount, null, fromEmailPassword, toEmailAccount, null, formEmailSMTPHOST, null, null,
				emailSubject, emailContent, null,null,imageFilesMap,attachContentsList);
	}

	//imageFilesMap:邮件图片集
	//attachContentsList：邮件附件集
	public static void sendEmil(String fromEmailAccount, String fromEmailPassword, String toEmailAccount,
			String formEmailSMTPHOST, String emailSubject, String emailContent,Map imageFilesMap,List attachContentsList, Date emailSendDate)
			throws UnsupportedEncodingException, MessagingException {
		sendEmil(fromEmailAccount, null, fromEmailPassword, toEmailAccount, null, formEmailSMTPHOST, null, null,
				emailSubject, emailContent, emailSendDate,null,imageFilesMap,attachContentsList);
	}

	//imageFilesMap:邮件图片集
	//attachContentsList：邮件附件集
	public static void sendEmil(String fromEmailAccount, String fromEmailShow, String fromEmailPassword,
			String toEmailAccount, String toEmailShow, String formEmailSMTPHOST, String emailSubject,
			String emailContent, Map imageFilesMap,List attachContentsList,Date emailSendDate) throws UnsupportedEncodingException, MessagingException {
		sendEmil(fromEmailAccount, fromEmailShow, fromEmailPassword, toEmailAccount, toEmailShow, formEmailSMTPHOST,
				null, null, emailSubject, emailContent, emailSendDate,null,imageFilesMap,attachContentsList);
	}

	//发送邮件(收件人是多个)
	//toEmailAccountMap：收件人map
	//emailContent：邮件内容
	public static void sendEmil(Map toEmailAccountMap, String emailContent)
			throws UnsupportedEncodingException, MessagingException {
		sendEmil(null, null, null, null, null, null, null, null, null, emailContent, null,toEmailAccountMap,null,null);
	}
	//发送邮件(收件人是多个)
	//toEmailAccountMap：收件人map
	//emailSubject:邮件主题
	//emailContent：邮件内容
	public static void sendEmil(Map toEmailAccountMap,String emailSubject, String emailContent)
			throws UnsupportedEncodingException, MessagingException {
		sendEmil(null, null, null, null, null, null, null, null, emailSubject, emailContent, null,toEmailAccountMap,null,null);
	}
	//发送邮件(收件人是多个)
	//fromEmailAccount：发送人邮箱
	//fromEmailPassword：发送人邮箱密码
	//toEmailAccountMap：收件人map
	//formEmailSMTPHOST：发送人邮箱SMTP服务器地址
	//emailSubject:邮件主题
	//emailContent：邮件内容
	public static void sendEmil(String fromEmailAccount, String fromEmailPassword, Map toEmailAccountMap,
			String formEmailSMTPHOST, String emailSubject, String emailContent)
			throws UnsupportedEncodingException, MessagingException {
		sendEmil(fromEmailAccount, null, fromEmailPassword, null, null, formEmailSMTPHOST, null, null,
				emailSubject, emailContent, null,toEmailAccountMap,null,null);
	}

	public static void sendEmil(String fromEmailAccount, String fromEmailPassword, Map toEmailAccountMap,
			String formEmailSMTPHOST, String emailSubject, String emailContent, Date emailSendDate)
			throws UnsupportedEncodingException, MessagingException {
		sendEmil(fromEmailAccount, null, fromEmailPassword, null, null, formEmailSMTPHOST, null, null,
				emailSubject, emailContent, emailSendDate,toEmailAccountMap,null,null);
	}

	public static void sendEmil(String fromEmailAccount, String fromEmailShow, String fromEmailPassword,
			Map toEmailAccountMap, String formEmailSMTPHOST, String emailSubject,
			String emailContent, Date emailSendDate) throws UnsupportedEncodingException, MessagingException {
		sendEmil(fromEmailAccount, fromEmailShow, fromEmailPassword, null, null, formEmailSMTPHOST,
				null, null, emailSubject, emailContent, emailSendDate,toEmailAccountMap,null,null);
	}
	//发送邮件(收件人是一个)
	//toEmailAccount：收件人邮箱
	//emailContent：邮件内容
	public static void sendEmil(String toEmailAccount, String emailContent)
			throws UnsupportedEncodingException, MessagingException {
		sendEmil(null, null, null, toEmailAccount, null, null, null, null, null, emailContent, null,null,null,null);
	}
	//发送邮件(收件人是一个)
	//toEmailAccount：收件人邮箱
	//emailSubject:邮件主题
	//emailContent：邮件内容
	public static void sendEmil(String toEmailAccount, String emailSubject, String emailContent)
			throws UnsupportedEncodingException, MessagingException {
		sendEmil(null, null, null, toEmailAccount, null, null, null, null, emailSubject, emailContent, null,null,null,null);
	}
	//发送邮件(收件人是多个)
		//fromEmailAccount：发送人邮箱
		//fromEmailPassword：发送人邮箱密码
		//toEmailAccount：收件人邮箱
		//formEmailSMTPHOST：发送人邮箱SMTP服务器地址
		//emailSubject:邮件主题
		//emailContent：邮件内容
	public static void sendEmil(String fromEmailAccount, String fromEmailPassword, String toEmailAccount,
			String formEmailSMTPHOST, String emailSubject, String emailContent)
			throws UnsupportedEncodingException, MessagingException {
		sendEmil(fromEmailAccount, null, fromEmailPassword, toEmailAccount, null, formEmailSMTPHOST, null, null,
				emailSubject, emailContent, null,null,null,null);
	}

	public static void sendEmil(String fromEmailAccount, String fromEmailPassword, String toEmailAccount,
			String formEmailSMTPHOST, String emailSubject, String emailContent, Date emailSendDate)
			throws UnsupportedEncodingException, MessagingException {
		sendEmil(fromEmailAccount, null, fromEmailPassword, toEmailAccount, null, formEmailSMTPHOST, null, null,
				emailSubject, emailContent, emailSendDate,null,null,null);
	}

	public static void sendEmil(String fromEmailAccount, String fromEmailShow, String fromEmailPassword,
			String toEmailAccount, String toEmailShow, String formEmailSMTPHOST, String emailSubject,
			String emailContent, Date emailSendDate) throws UnsupportedEncodingException, MessagingException {
		sendEmil(fromEmailAccount, fromEmailShow, fromEmailPassword, toEmailAccount, toEmailShow, formEmailSMTPHOST,
				null, null, emailSubject, emailContent, emailSendDate,null,null,null);
	}
	//发送邮件
	public static void sendEmil(String fromEmailAccount, String fromEmailShow, String fromEmailPassword,
			String toEmailAccount, String toEmailShow, String formEmailSMTPHOST, Boolean isSMTP, Boolean isSSL,
			String emailSubject, String emailContent, Date emailSendDate,Map toEmailAccountMap,Map imageFilesMap,List attachContentsList) throws UnsupportedEncodingException, MessagingException
			{
		// 发信人的Email地址
		JavaEmailUtils.fromEmailAccount = fromEmailAccount;
		// 发信人称呼
		JavaEmailUtils.fromEmailShow = fromEmailShow;
		//// 发信人的Email邮箱密码
		JavaEmailUtils.fromEmailPassword = fromEmailPassword;
		// 收信人的Email地址
		JavaEmailUtils.toEmailAccount = toEmailAccount;
		// 收信人的称呼
		JavaEmailUtils.toEmailShow = toEmailShow;
		// 发件人的服务器地址
		JavaEmailUtils.formEmailSMTPHOST = formEmailSMTPHOST;
		// 是否使用SMTP协议
		JavaEmailUtils.isSMTP = isSMTP;
		// 是否使用SSL安全认证协议
		JavaEmailUtils.isSSL = isSSL;
		// 邮件主题
		JavaEmailUtils.emailSubject = emailSubject;
		// 邮件内容
		JavaEmailUtils.emailContent = emailContent;
		// 邮件图片集
		JavaEmailUtils.imageFilesMap = imageFilesMap;
		// 邮件附件集
		JavaEmailUtils.attachContentsList = attachContentsList;
		// 邮件发送日期
		JavaEmailUtils.emailSendDate = emailSendDate;
		// 1. 配置用于连接邮件服务器的参数
		initEmail();
		// 2. 根据配置创建会话对象, 用于和邮件服务器交互
		Session session = Session.getDefaultInstance(properties);
		// 设置为debug模式, 可以查看详细的发送 log
		session.setDebug(true);
		// 3. 创建一封邮件
		MimeMessage message = createMimeMessage(session,toEmailAccountMap);
			//还可以保存邮件到本地
			//OutputStream out = new FileOutputStream("MyEmail.eml");
			// message.writeTo(out);
			// out.flush();out.close();
		// 4. 根据 Session 获取邮件传输对象
		Transport transport = session.getTransport();
		// 5. 使用 邮箱账号 和 密码 连接邮件服务器, 这里认证的邮箱必须与 message 中的发件人邮箱一致, 否则报错
		transport.connect(JavaEmailUtils.fromEmailAccount, JavaEmailUtils.fromEmailPassword);
		// 6. 发送邮件, 发到所有的收件地址, message.getAllRecipients() 获取到的是在创建邮件对象时添加的所有收件人,抄送人, 密送人
		transport.sendMessage(message, message.getAllRecipients());
		// 7. 关闭连接
		transport.close();

	}

	// 创建邮件信息
	private static MimeMessage createMimeMessage(Session session, Map toEmailAccountMap)
			throws UnsupportedEncodingException, MessagingException {
		// 1. 创建一封邮件
		MimeMessage message = new MimeMessage(session);
		// 2. From: 发件人
		message.setFrom(
				new InternetAddress(JavaEmailUtils.fromEmailAccount, JavaEmailUtils.fromEmailShow, EMAIL_CHARSET));
		// 3. To: 收件人（可以增加多个收件人）当toEmailAccountMap不为空时，是多个收件人
		//为了防止出现554 DT:SPM 126，在发送之前，给自己抄一份
		message.setRecipient(RecipientType.CC, new InternetAddress(JavaEmailUtils.fromEmailAccount, JavaEmailUtils.fromEmailShow, EMAIL_CHARSET));
		if (toEmailAccountMap != null) {
			if (toEmailAccountMap != null && toEmailAccountMap.size() > 0) {
				Set emailShows = toEmailAccountMap.keySet();
				String[] emailShowsStr = new String[emailShows.size()];
				emailShows.toArray(emailShowsStr);
				for (int i = 0; i < emailShowsStr.length; i++) {
					if (i == 0) {
						//RecipientType.TO:普通发送
					    //RecipientType.CC:抄送
					    //RecipientType.BCC:密送
						message.setRecipient(RecipientType.TO, new InternetAddress(
								toEmailAccountMap.get(emailShowsStr[i]).toString(), emailShowsStr[i], EMAIL_CHARSET));
					} else {
						message.addRecipient(RecipientType.TO, new InternetAddress(
								toEmailAccountMap.get(emailShowsStr[i]).toString(), emailShowsStr[i], EMAIL_CHARSET));
					}
				}
			}
		}else{
			message.setRecipient(RecipientType.TO,
					new InternetAddress(JavaEmailUtils.toEmailAccount, JavaEmailUtils.toEmailShow, EMAIL_CHARSET));
		}
		// 4. Subject: 邮件主题
		message.setSubject(JavaEmailUtils.emailSubject, JavaEmailUtils.EMAIL_CHARSET);
		// 5. Content: 邮件正文（可以使用html标签）
		//简单内容
		//message.setContent(JavaEmailUtils.emailContent, JavaEmailUtils.CONTENT_CHARSET);
		//复杂内容(带有图片、文本、附件)
		message.setContent(crateMimeMultipartContent());
		// 6. 设置发件时间
		message.setSentDate(JavaEmailUtils.emailSendDate);
		// 7. 保存设置
		message.saveChanges();

		return message;
	}
	//创建复杂邮件内容正文
	private static MimeMultipart crateMimeMultipartContent(){
		MimeMultipart mimeMultipart=null;
		try{
		//创建文本“节点”
		MimeBodyPart  text=new MimeBodyPart();
		//这里添加图片的方式是将整个图片包含到邮件内容中, 实际上也可以以 http 链接的形式添加网络图片
		text.setContent(JavaEmailUtils.emailContent,CONTENT_CHARSET);
		
		//将 文本 和 图片 “节点”合成一个混合“节点”
		MimeMultipart mm_text_image =new MimeMultipart();
		//放入文本
		mm_text_image.addBodyPart(text);
		//创建并放入图片
		if(imageFilesMap!=null&&imageFilesMap.size()>0){
			Set contentIDs=imageFilesMap.keySet();
			String[] contentIDsArr=new String[contentIDs.size()];
			contentIDs.toArray(contentIDsArr);
			for(int i=0;i0){
			for(File file:attachContentsList){
			 //创建附件“节点”
			MimeBodyPart attachContent=new MimeBodyPart();
			// 读取本地文件
			DataHandler attachContentHander=new DataHandler(new FileDataSource(file));
			// 将附件数据添加到“节点”
			attachContent.setDataHandler(attachContentHander);
			// 设置附件的文件名（需要编码）
			attachContent.setFileName(MimeUtility.encodeText(attachContentHander.getName()));
			//放入附件节点（如果有多个附件，可以创建多个多次添加）
			mimeMultipart.addBodyPart(attachContent);
			}
		}
		//混合关系
		mimeMultipart.setSubType("mixed");
		
		}catch (Exception e) {
			e.printStackTrace();
		}
		return mimeMultipart;
	}
	

	//main方法用于测试工具类
	public static void main(String[] args) throws Exception {
		// 测试只有一个收信人
		// 只有接收邮箱号和内容
		// sendEmil("[email protected]", "this is a test");
		// 只有接收邮箱号、主题和内容
		// sendEmil("[email protected]","hello World","this is a test");
		// 发送邮箱号，发送邮箱密码，接收邮箱号，发送邮箱SMTP服务器地址，主题，内容
		// sendEmil("[email protected]", "test123","[email protected]", "smtp.126.com","hello World2","this is a test3");

		// 测试拥有多个收信人
		Map emails=new HashMap();
		//map的key是收件人称呼，value是收件人邮箱地址
		emails.put("chentiefeng007", "[email protected]");
		emails.put("chentiefeng521", "[email protected]");
		// 只有接收邮箱号和内容
		//sendEmil(emails, "this is a test");
		// 只有接收邮箱号、主题和内容
		// sendEmil(emails,"hello World","this is a test");
		// 发送邮箱号，发送邮箱密码，接收邮箱号，发送邮箱SMTP服务器地址，主题，内容
		// sendEmil("[email protected]", "test123",emails, "smtp.126.com","XXX来电","我是XXX,请速回电话");
		 
		 //测试发送带有文本+图片+附件的文件
		//拥有多个收信人
		Map emails2=new HashMap();
		//map的key是收件人称呼，value是收件人邮箱地址
		emails.put("chentiefeng007", "[email protected]");
		emails.put("chentiefeng521", "[email protected]");
		
		//图片集
		Map imagesMap=new HashMap();
		//Map的key值是图片的访问路径：如：
		//value的值是图片文件
		imagesMap.put("test1", new File(System.getProperty("user.home")+File.separator+"Desktop"+File.separator+"testmm.jpg"));
		imagesMap.put("test2", new File(System.getProperty("user.home")+File.separator+"Desktop"+File.separator+"timg.jpg"));
		imagesMap.put("test3", new File(System.getProperty("user.home")+File.separator+"Desktop"+File.separator+"spring-overview.png"));
		
		//附件集
		List fileList=new ArrayList();
		fileList.add(new File(System.getProperty("user.home")+File.separator+"Desktop"+File.separator+"MyEmail.eml"));
		fileList.add(new File(System.getProperty("user.home")+File.separator+"Desktop"+File.separator+"cmd.txt"));
		fileList.add(new File(System.getProperty("user.home")+File.separator+"Desktop"+File.separator+"linux中java.docx"));
		
		//发送邮件
		sendEmil("[email protected]", "test123",emails2, "smtp.126.com","XXX来电","test a image



",imagesMap,fileList);
	}

}