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;
import javax.mail.internet.MimeUtility;
public class Mail {
private MimeMessage mimeMsg; // MIME邮件对象
private Session session; // 邮件会话对象
private Properties props; // 系统属性
// private boolean needAuth = false; // smtp是否需要认证
// smtp认证用户名和密码
private String username;
private String password;
private Multipart mp; // Multipart对象,邮件内容,标题,附件等内容均添加到其中后再生成MimeMessage对象
/**
* Constructor
*
* @param smtp
* 邮件发送服务器
*/
public Mail(String smtp) {
setSmtpHost(smtp);
createMimeMessage();
}
/**
* 设置邮件发送服务器
*
* @param hostName
* String
*/
public void setSmtpHost(String hostName) {
System.out.println("设置系统属性：mail.smtp.host = " + hostName);
if (props == null)
props = System.getProperties(); // 获得系统属性对象
props.put("mail.smtp.host", hostName); // 设置SMTP主机
}
/**
* 创建MIME邮件对象
*
* @return
*/
public boolean createMimeMessage() {
try {
System.out.println("准备获取邮件会话对象！");
session = Session.getDefaultInstance(props, null); // 获得邮件会话对象
} catch (Exception e) {
System.err.println("获取邮件会话对象时发生错误！" + e);
return false;
}
System.out.println("准备创建MIME邮件对象！");
try {
mimeMsg = new MimeMessage(session); // 创建MIME邮件对象
mp = new MimeMultipart();
return true;
} catch (Exception e) {
System.err.println("创建MIME邮件对象失败！" + e);
return false;
}
}
/**
* 设置SMTP是否需要验证
*
* @param need
*/
public void setNeedAuth(boolean need) {
System.out.println("设置smtp身份认证：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");
}
}
/**
* 设置用户名和密码
*
* @param name
* @param pass
*/
public void setNamePass(String name, String pass) {
username = name;
password = pass;
}
/**
* 设置邮件主题
*
* @param mailSubject
* @return
*/
public boolean setSubject(String mailSubject) {
System.out.println("设置邮件主题！");
try {
mimeMsg.setSubject(mailSubject);
return true;
} catch (Exception e) {
System.err.println("设置邮件主题发生错误！");
return false;
}
}
/**
* 设置邮件正文
*
* @param mailBody
* String
*/
public boolean setBody(String mailBody) {
try {
BodyPart bp = new MimeBodyPart();
bp.setContent("" + mailBody, "text/html;charset=GBK");
mp.addBodyPart(bp);
return true;
} catch (Exception e) {
System.err.println("设置邮件正文时发生错误！" + e);
return false;
}
}
/**
* 添加附件
*
* @param filename
* String
*/
public boolean addFileAffix(String filename[]) {
try {
for (int i = 0; i < filename.length; i++) {
System.out.println("增加邮件附件："+filename[i]);
BodyPart bp = new MimeBodyPart();
FileDataSource fileds = new FileDataSource(filename[i]);
bp.setDataHandler(new DataHandler(fileds));
bp.setFileName(fileds.getName());
bp.setFileName(MimeUtility.encodeText(fileds.getName()));
mp.addBodyPart(bp);
}
return true;
} catch (Exception e) {
System.err.println("增加邮件附件："+filename+"发生错误！"+e);
return false;
}
}
/**
* 设置发信人
*
* @param from
* String
*/
public boolean setFrom(String from) {
System.out.println("设置发信人！");
try {
mimeMsg.setFrom(new InternetAddress(from)); // 设置发信人
return true;
} catch (Exception e) {
return false;
}
}
/**
* 设置收信人
*
* @param to
* String
*/
public boolean setTo(String to) {
if (to == null)
return false;
try {
mimeMsg.setRecipients(Message.RecipientType.TO, InternetAddress.parse(to));
return true;
} catch (Exception e) {
return false;
}
}
/**
* 设置抄送人
*
* @param copyto
* String
*/
public boolean setCopyTo(String copyto) {
if (copyto == null)
return true;
try {
mimeMsg.setRecipients(Message.RecipientType.CC, (Address[]) InternetAddress.parse(copyto));
return true;
} catch (Exception e) {
return false;
}
}
/**
* 发送邮件
*/
public boolean sendOut() {
try {
mimeMsg.setContent(mp);
mimeMsg.saveChanges();
System.out.println("正在发送邮件....");
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.sendMessage(mimeMsg, mimeMsg .getRecipients(Message.RecipientType.CC));
// transport.send(mimeMsg);
System.out.println("发送邮件成功！");
transport.close();
return true;
} catch (Exception e) {
System.err.println("邮件发送失败！" + e);
return false;
}
}
/**
* 调用sendOut方法完成邮件发送
*
* @param smtp
* @param from
* @param to
* @param subject
* @param content
* @param username
* @param password
* @return boolean
*/
public static boolean send(String smtp, String from, String to, String subject, String content, String username, String password) {
Mail theMail = new Mail(smtp);
theMail.setNeedAuth(true); // 需要验证
if (!theMail.setSubject(subject))//邮件主题
return false;
if (!theMail.setBody(content))//邮件内容
return false;
if (!theMail.setTo(to))//收件人
return false;
if (!theMail.setFrom(from))//发件人
return false;
theMail.setNamePass(username, password);//发件人邮箱和密码
if (!theMail.sendOut())
return false;
return true;
}
/**
* 调用sendOut方法完成邮件发送,带抄送
*
* @param smtp
* @param from
* @param to
* @param copyto
* @param subject
* @param content
* @param username
* @param password
* @return boolean
*/
public static boolean sendAndCc(String smtp, String from, String to, String copyto, String subject, String content, String username, String password) {
Mail theMail = new Mail(smtp);
theMail.setNeedAuth(true); // 需要验证
if (!theMail.setSubject(subject))//邮件主题
return false;
if (!theMail.setBody(content))//邮件内容
return false;
if (!theMail.setTo(to))//收件人
return false;
if (!theMail.setCopyTo(copyto))//抄送人
return false;
if (!theMail.setFrom(from))//发件人
return false;
theMail.setNamePass(username, password);//发件人邮箱和密码
if (!theMail.sendOut())
return false;
return true;
}
/**
* 调用sendOut方法完成邮件发送,带附件
*
* @param smtp
* @param from
* @param to
* @param subject
* @param content
* @param username
* @param password
* @param filename
* 附件路径
* @return
*/
public static boolean send(String smtp, String from, String to, String subject, String content, String username, String password, String filename[]) {
Mail theMail = new Mail(smtp);
theMail.setNeedAuth(true); // 需要验证
if (!theMail.setSubject(subject))//邮件主题
return false;
if (!theMail.setBody(content))//邮件内容
return false;
if (!theMail.addFileAffix(filename))//添加多个附件
return false;
if (!theMail.setTo(to))//收件人
return false;
if (!theMail.setFrom(from))//发件人
return false;
theMail.setNamePass(username, password);//发件人邮箱和密码
if (!theMail.sendOut())
return false;
return true;
}
/**
* 调用sendOut方法完成邮件发送,带附件和抄送
*
* @param smtp
* @param from
* @param to
* @param copyto
* @param subject
* @param content
* @param username
* @param password
* @param filename
* @return
*/
public static boolean sendAndCc(String smtp, String from, String to, String copyto, String subject, String content, String username, String password, String filename[]) {
Mail theMail = new Mail(smtp);
theMail.setNeedAuth(true); // 需要验证
if (!theMail.setSubject(subject))//邮件主题
return false;
if (!theMail.setBody(content))//邮件内容
return false;
if (!theMail.addFileAffix(filename))//添加多个附件
return false;
if (!theMail.setTo(to))//收件人
return false;
if (!theMail.setCopyTo(copyto))//抄送人
return false;
if (!theMail.setFrom(from))//发件人
return false;
theMail.setNamePass(username, password);//发件人邮箱和密码
if (!theMail.sendOut())
return false;
return true;
}
}
测试代码：
public static void main(String[] args){
String smtp = "SMTP服务器";
String from = "发信人";
String to = "收信人";
String copyto = "抄送人";
String subject = "邮件主题";
String content = "邮件内容";
String username="用户名";
String password="密码";
String filename[] = {"i:\\阿布次.xlsx","i:\\1111111.jpg" };//多个附件
Mail.sendAndCc(smtp, from, to, copyto, subject, content, username, password, filename);
}
需要以下jar包activation.jar，dsn.jar，imap.jar，mail.jar，mailapi.jar，pop3.jar，smtp.jar