注：博主写此API所用环境：jdk1.6,jmail.jar,activation-2.2.1.jar，邮箱客户端为Foxmail7.2，本博文主要使用的是腾讯QQ邮箱，没有做兼容处理,废话不说了，看代码！
1：JMail邮件对象类(JMailInfo.java)
package jmailUtil;
import java.util.Properties;
/**
* @author JimYang<br>
* 邮件对象类
*/
public class JMailInfo {
/**
* private constructor
*/
private JMailInfo() {
}
/**
*
* @author Jim Yang
*
*/
private static class InstanceHandle {
private static JMailInfo mailSenderInfo = new JMailInfo();
}
/**
* this function is thread-safe
* @return MailSenderInfo
*/
public static JMailInfo getInstance(){
return InstanceHandle.mailSenderInfo;
}
/**
* @param serverHost the serverHost to set
*/
public void setServerHost(String serverHost) {
this.serverHost = serverHost;
}
/**
* @return the serverHost
*/
public String getServerHost() {
return serverHost;
}
/**
* @param serverPort the serverPort to set
*/
public void setServerPort(String serverPort) {
this.serverPort = serverPort;
}
/**
* @return the serverPort
*/
public String getServerPort() {
return serverPort;
}
/**
* @param jmailSenderAddress the jmailSenderAddress to set
*/
public void setJmailSenderAddress(String jmailSenderAddress) {
this.jmailSenderAddress = jmailSenderAddress;
}
/**
* @return the jmailSenderAddress
*/
public String getJmailSenderAddress() {
return jmailSenderAddress;
}
/**
* multiple address please divided by ";",like this "[email protected];[email protected];[email protected]"
* @param jmailAccepterAddress the jmailAccepterAddress to set
*/
public void setJmailAccepterAddress(String jmailAccepterAddress) {
this.jmailAccepterAddress = jmailAccepterAddress;
}
/**
*
* @return the jmailAccepterAddress
*/
public String getJmailAccepterAddress() {
return jmailAccepterAddress;
}
/**
* @param jmailSenderName the jmailSenderName to set
*/
public void setJmailSenderName(String jmailSenderName) {
this.jmailSenderName = jmailSenderName;
}
/**
* @return the jmailSenderName
*/
public String getJmailSenderName() {
return jmailSenderName;
}
/**
* @param jmailSenderPwd the jmailSenderPwd to set
*/
public void setJmailSenderPwd(String jmailSenderPwd) {
this.jmailSenderPwd = jmailSenderPwd;
}
/**
* @return the jmailSenderPwd
*/
public String getJmailSenderPwd() {
return jmailSenderPwd;
}
/**
* @param jmailSubject the jmailSubject to set
*/
public void setJmailSubject(String jmailSubject) {
this.jmailSubject = jmailSubject;
}
/**
* @return the jmailSubject
*/
public String getJmailSubject() {
return jmailSubject;
}
/**
* @param jmailBody the jmailBody to set
*/
public void setJmailBody(String jmailBody) {
this.jmailBody = jmailBody;
}
/**
* @return the jmailBody
*/
public String getJmailBody() {
return jmailBody;
}
/**
* @param isValidated the isValidated to set
*/
public void setValidated(boolean isValidated) {
this.isValidated = isValidated;
}
/**
* @return the isValidated
*/
public boolean isValidated() {
return isValidated;
}
/**
* @param jmailAttachFile the jmailAttachFile to set
*/
public void setJmailAttachFile(String jmailAttachFile) {
this.jmailAttachFile = jmailAttachFile;
}
/**
* @return the jmailAttachFile
*/
public String getJmailAttachFile() {
return jmailAttachFile;
}
/**
* @return the jmailProperties
*/
public Properties getJmailProperties() {
Properties prop = new Properties();
prop.put("mail.smtp.host", this.getServerHost());
prop.put("mail.smpt.port", this.getServerPort());
prop.put("mail.smtp.auth", this.isValidated());
return prop;
}
/**
* multiple address please divided by ";",like this "[email protected];[email protected];[email protected]"
* @param ccAddress the ccAddress to set
*/
public void setCcAddress(String ccAddress) {
this.ccAddress = ccAddress;
}
/**
* @return the ccAddress
*/
public String getCcAddress() {
return ccAddress;
}
/**
* multiple address please divided by ";",like this "[email protected];[email protected];[email protected]"
* @param bccAddress the bccAddress to set
*/
public void setBccAddress(String bccAddress) {
this.bccAddress = bccAddress;
}
/**
* @return the bccAddress
*/
public String getBccAddress() {
return bccAddress;
}
private String serverHost = null;
private String serverPort = null;
private String jmailSenderAddress = null;
private String jmailAccepterAddress = null;
private String jmailSenderName = null;
private String jmailSenderPwd = null;
private String jmailSubject = null;
private String jmailBody = null;
private boolean isValidated = true;
private String jmailAttachFile;
private String ccAddress = null;
private String bccAddress = null;
public static final String QQMAIL_HOST = "smtp.qq.com";
public static final String QQMAIL_PORT = "465";
}
2：发送邮件的工具类(JMailSendUtil.java)
package jmailUtil;
import java.io.IOException;
import java.util.Date;
import java.util.Properties;
import java.util.concurrent.ScheduledThreadPoolExecutor;
import java.util.concurrent.TimeUnit;
import javax.activation.DataHandler;
import javax.activation.FileDataSource;
import javax.mail.Address;
import javax.mail.Authenticator;
import javax.mail.BodyPart;
import javax.mail.Message;
import javax.mail.MessagingException;
import javax.mail.Multipart;
import javax.mail.PasswordAuthentication;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.Message.RecipientType;
import javax.mail.internet.AddressException;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeBodyPart;
import javax.mail.internet.MimeMessage;
import javax.mail.internet.MimeMultipart;
import javax.mail.internet.MimeUtility;
/**
* @author JimYang
*/
public class JMailSendUtil {
private JMailSendUtil() {};
/**
* 发送纯文本格式邮件，可以发给多人，可以添加附件，抄送，暗抄送。
* @param jmailInfo
* @throws MessagingException
* @throws IOException
*/
public static void SendSmtpTextMail(JMailInfo jmailInfo)
throws MessagingException, IOException{
Properties prop = jmailInfo.getJmailProperties();
prop.put("mail.transport.protocol","smtp");
Authenticator authenticator = getAuth(jmailInfo.getJmailSenderName(), jmailInfo.getJmailSenderPwd());
Session jmailSession = Session.getDefaultInstance(prop, authenticator);
Address senderAddress = new InternetAddress(jmailInfo.getJmailSenderAddress());
Message mmsg = new MimeMessage(jmailSession);
mmsg.setFrom(senderAddress);
if (!checkNULL(jmailInfo.getJmailAccepterAddress())) {
mmsg.addRecipients(RecipientType.TO, addressBuilder(jmailInfo.getJmailAccepterAddress()));
}
if (!checkNULL(jmailInfo.getCcAddress())) {
mmsg.addRecipients(RecipientType.CC, addressBuilder(jmailInfo.getCcAddress()));
}
if (!checkNULL(jmailInfo.getBccAddress())) {
mmsg.addRecipients(RecipientType.BCC, addressBuilder(jmailInfo.getBccAddress()));
}
mmsg.setSubject(jmailInfo.getJmailSubject());
mmsg.setSentDate(new Date());
Multipart multipart = new MimeMultipart();
BodyPart bodyPart = new MimeBodyPart();
bodyPart.setContent(jmailInfo.getJmailBody(), "text/plain;charset=UTF-8");
multipart.addBodyPart(bodyPart);
if (!checkNULL(jmailInfo.getJmailAttachFile())) {
buildAttachFile(multipart, jmailInfo.getJmailAttachFile());
mmsg.setContent(multipart);
}
mmsg.setContent(multipart);
mmsg.saveChanges();
Transport.send(mmsg);
}
/**
* 发送HTML格式邮件，可CC，bcc,发给多人，多个附件
* @param jmailInfo
* @throws MessagingException
* @throws IOException
*/
public static void SendSmtpHtmlMail(JMailInfo jmailInfo) throws MessagingException, IOException {
Properties prop = jmailInfo.getJmailProperties();
prop.put("mail.transport.protocol","smtp");
Authenticator authenticator = getAuth(jmailInfo.getJmailSenderName(), jmailInfo.getJmailSenderPwd());
Session jmailSession = Session.getDefaultInstance(prop, authenticator);
Address senderAddress = new InternetAddress(jmailInfo.getJmailSenderAddress());
Message mmsg = new MimeMessage(jmailSession);
mmsg.setFrom(senderAddress);
if (!checkNULL(jmailInfo.getJmailAccepterAddress())) {
mmsg.addRecipients(RecipientType.TO, addressBuilder(jmailInfo.getJmailAccepterAddress()));
}
if (!checkNULL(jmailInfo.getCcAddress())) {
mmsg.addRecipients(RecipientType.CC, addressBuilder(jmailInfo.getCcAddress()));
}
if (!checkNULL(jmailInfo.getBccAddress())) {
mmsg.addRecipients(RecipientType.BCC, addressBuilder(jmailInfo.getBccAddress()));
}
mmsg.setSubject(jmailInfo.getJmailSubject());
mmsg.setSentDate(new Date());
Multipart multipart = new MimeMultipart();
BodyPart bodyPart = new MimeBodyPart();
bodyPart.setContent(jmailInfo.getJmailBody(), "text/html;charset=UTF-8");
multipart.addBodyPart(bodyPart);
if (!checkNULL(jmailInfo.getJmailAttachFile())) {
BodyPart[] bodyParts = BuildAttachmentFile(jmailInfo.getJmailAttachFile());
for (BodyPart body:bodyParts) {
multipart.addBodyPart(body);
}
}
mmsg.setContent(multipart);
mmsg.saveChanges();
Transport.send(mmsg);
}
/**
*
* @param mailInfo 邮件主体
* @param delay 延迟时间
* @param timeUnit 时间单位(时，分，秒，天，毫秒...)
* @param htmlFlag 是否为HTML邮件
*/
public static void SendTimeScheduleSmtpMail(final JMailInfo mailInfo,long delay,TimeUnit timeUnit,final boolean htmlFlag) {
final ScheduledThreadPoolExecutor scheduledThreadPoolExecutor = new ScheduledThreadPoolExecutor(2);
scheduledThreadPoolExecutor.setExecuteExistingDelayedTasksAfterShutdownPolicy(true);
scheduledThreadPoolExecutor.schedule(new Runnable() {
@Override
public void run() {
try {
if (!htmlFlag) {
SendSmtpTextMail(mailInfo);
} else {
SendSmtpHtmlMail(mailInfo);}
} catch (MessagingException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
},delay, timeUnit);
scheduledThreadPoolExecutor.shutdown();
}
/**
* 定时重发邮件，支持纯文本和HTML，后者可以直接加入HTML标签来布局邮件显示效果。<br>
* 邮件重发次数为java <code>int</code>类型，注意取值范围
* @param mailInfo 邮件信息
* @param delayTime 延迟时间
* @param repeatStep 重发间隔时间
* @param repeatTimes 重发次数
* @param timeUnit 时间单位
* @param htmlFlag 是否发送HTML邮件
*/
public static void SendTimeScheduleRepeatSmtpMail(final JMailInfo mailInfo,long delayTime,long repeatStep,final int repeatTimes,TimeUnit timeUnit,final boolean htmlFlag) {
final ScheduledThreadPoolExecutor schThPoolExce = new ScheduledThreadPoolExecutor(2);
schThPoolExce.setContinueExistingPeriodicTasksAfterShutdownPolicy(true);
schThPoolExce.setExecuteExistingDelayedTasksAfterShutdownPolicy(true);
schThPoolExce.scheduleAtFixedRate(new Runnable() {
//定时重复执行自定义任务
int i=0;
@Override
public void run() {
++i;
int j = repeatTimes;
if (i <= j) {
try {
//System.out.println("第 "+i+"份邮件开始发送。。");
if (htmlFlag) {
SendSmtpHtmlMail(mailInfo);
} else {
SendSmtpTextMail(mailInfo);
}
} catch (MessagingException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
} finally {
//System.out.println("第 "+i+"份邮件发送完成。。。");
}
} else {
//System.out.println("定时重复任务完成，共重复发送 "+(i>1?(i-1):i)+"份邮件。");
schThPoolExce.shutdownNow();
}
}},delayTime, repeatStep, timeUnit);
schThPoolExce.shutdown();
}
/**
* 邮箱登陆权限验证获取
* @param userName 邮箱登陆用户名
* @param userPwd 登陆密码
* @return
*/
private static Authenticator getAuth(String userName,String userPwd) {
Object lock = new Object();
final String name = userName;
final String pwd = userPwd;
Authenticator authenticator = null;
synchronized (lock) {
authenticator = new Authenticator() {
@Override
protected PasswordAuthentication getPasswordAuthentication() {
return new PasswordAuthentication(name,pwd);
}
};
}
return authenticator;
}
/**
* 解析邮件地多个地址用英文分号隔开，返回邮件地址数组
* @param addressStr
* @return
*/
private static Address [] addressBuilder(String addressStr) {
String [] temp = null;
Address[] tempAddressGroup = null;
try {
if (addressStr.indexOf(";") != -1) {
temp = addressStr.split(";");
tempAddressGroup = new InternetAddress[temp.length];
for (int i=0;i<temp.length;i++) {
tempAddressGroup[i] = new InternetAddress(temp[i]);
}
} else {
tempAddressGroup = new InternetAddress[]{new InternetAddress(addressStr)};
}
} catch (AddressException e) {
e.printStackTrace();
}
return tempAddressGroup;
}
private static boolean checkNULL(String addressStr){
if (addressStr == null) {
return true;
} else if (addressStr.trim().equals("")) {
return true;
}else {
return false;
}
}
/**
* 解析附件内容，返回一个或者多个附件
* @param filePaths 附件地址，多个地址用英文的分号(;)号隔开
* @return
* @throws MessagingException
* @throws IOException
*/
private static BodyPart[] BuildAttachmentFile(String filePaths) throws MessagingException, IOException{
BodyPart[] parts = null;
if (filePaths.indexOf(";") != -1) {
String [] paths = filePaths.split(";");
parts = new MimeBodyPart[paths.length];
for (int i = 0;i<paths.length;i++) {
FileDataSource fileDataSource = new FileDataSource(paths[i]);
MimeBodyPart body = new MimeBodyPart();
body.setFileName(MimeUtility.encodeWord(fileDataSource.getName()));
body.setDataHandler(new DataHandler(fileDataSource));
parts[i] = body;
}
} else {
MimeBodyPart body = new MimeBodyPart();
FileDataSource fds = new FileDataSource(filePaths);
body.setDataHandler(new DataHandler(fds));
body.setFileName(MimeUtility.encodeWord(fds.getName()));
parts = new BodyPart[]{body};
}
return parts;
}
/**
* 解析附件路径，并且将解析成功后的附件加入到附件对象的主体，作为邮件附件发送。
* @param multipart 附件主体
* @param filePaths 附件路径
*/
private static void buildAttachFile(Multipart multipart,String filePaths) {
try {
if (filePaths.indexOf(";") != -1) {
String [] paths = filePaths.split(";");
for (int i = 0;i<paths.length;i++) {
FileDataSource fileDataSource = new FileDataSource(paths[i]);
MimeBodyPart body = new MimeBodyPart();
body.setFileName(MimeUtility.encodeWord(fileDataSource.getName()));
body.setDataHandler(new DataHandler(fileDataSource));
multipart.addBodyPart(body);
}
} else {
MimeBodyPart body = new MimeBodyPart();
FileDataSource fds = new FileDataSource(filePaths);
body.setDataHandler(new DataHandler(fds));
//对标题编码，不然附件无法显示出来 body.setFileName(MimeUtility.encodeWord(fds.getName()));
multipart.addBodyPart(body);
}
} catch (MessagingException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
}
3:个人测试类（Test.java）
package jmailUtil;
import java.util.Date;
import java.util.concurrent.TimeUnit;
public class Test {
/**
* @param args
*/
public static void main(String[] args) {
JMailInfo mailInfo = JMailInfo.getInstance();
mailInfo.setServerHost(JMailInfo.QQMAIL_HOST);
mailInfo.setServerPort(JMailInfo.QQMAIL_PORT);
mailInfo.setJmailSenderAddress("23*@qq.com");
mailInfo.setJmailAccepterAddress("jimyang*@foxmail.com");
//mailInfo.setCcAddress("*[email protected]");
//mailInfo.setBccAddress("*[email protected]");
mailInfo.setJmailSubject("JMAIL邮件发送！");
//QQ邮箱
mailInfo.setJmailSenderName("*[email protected]");
//QQ邮箱密码
mailInfo.setJmailSenderPwd("**********");
// mailInfo.setJmailAttachFile("附件路径，多个附件用;分开");
long start = System.currentTimeMillis();
mailInfo.setJmailBody("定时重复邮件，任务延迟2秒开始发送，之后每隔5秒执行一次发送任务！");
JMailSendUtil.SendTimeScheduleRepeatSmtpMail(mailInfo,1,2,4,TimeUnit.SECONDS,true);
System.out.println("发送成功！用时："+Long.toString(System.currentTimeMillis()-start)+"毫秒");
}
}