Java 封装的邮件发送类，可直接调用（基于Maven）

<span style="white-space: pre;">		</span><dependency>
<groupId>com.sun.mail</groupId>
<artifactId>javax.mail</artifactId>
<version>1.5.2</version>
</dependency>

import java.util.Properties;

import javax.activation.DataHandler;
import javax.activation.FileDataSource;
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.internet.InternetAddress;
import javax.mail.internet.MimeBodyPart;
import javax.mail.internet.MimeMessage;
import javax.mail.internet.MimeMultipart;

public class AjavaSendMail {
private String from = "";// 发信邮箱
public String to = "";// 收信邮箱
public String subject = "";// 邮件主题

private String username = "";
private String password = "";

public String text = "";// 邮件内容

private Multipart mp; // 存放邮件的title 内容和附件
private Properties props; // Properties对象
private Message message; // Message存储发送的电子邮件信息

public AjavaSendMail(String stmp) {
setSmtpHost(stmp);
}

public void setSmtpHost(String smtpHostName) {
System.out.println("mail.stmp.host= " + smtpHostName);
if (props == null) {
props = new Properties();// 创建Properties对象
}

props.setProperty("mail.transport.protocol", "smtp");// 设置传输协议
props.put("mail.smtp.host", smtpHostName);// 设置发信邮箱的smtp地址"smtp.sina.com"
props.setProperty("mail.smtp.auth", "true"); // 验证
}

public boolean createMimeMessage() {
Authenticator auth = new AjavaAuthenticator(username, password); // 使用验证，创建一个Authenticator
Session session = Session.getDefaultInstance(props, auth);// 根据Properties，Authenticator创建Session

try {
if (message == null) {
message = new MimeMessage(session);// Message存储发送的电子邮件信息
}

message.setFrom(new InternetAddress(from));
message.setRecipient(Message.RecipientType.TO, new InternetAddress(
to));// 设置收信邮箱
message.setSubject(subject);// 设置主题
return true;
} catch (MessagingException e) {
e.printStackTrace();
return false;
}
}

public boolean setOut() {
try {
message.setContent(mp);
message.saveChanges();// add by andy 2012-03-08
// System.out.println("[INFO] text="+text);
// message.setText(text);// 设置内容
System.out.println("[INFO] 开始发送...");
Transport.send(message);// 发送
System.out.println("[INFO] 发送完成!");
return true;
} catch (Exception e) {
System.out.println("邮箱验证出错");
//e.printStackTrace();
return false;
}
}

public void setNamePass(String name, String pass) {
username = name;
password = pass;
}

public boolean setSubject(String mailSubject) {
System.out.println("set title begin.");
try {
if (!mailSubject.equals("") && mailSubject != null) {
subject = mailSubject;
}
return true;
} catch (Exception e) {
System.out.println("set Title faild!");
return false;
}
}

public boolean setFrom(String from) {
System.out.println("Set From .");
try {
this.from = from;
return true;
} catch (Exception e) {
return false;
}
}

public boolean setTo(String to) {
System.out.println("Set to.");
if (to == null || to.equals("")) {
return false;
}
try {
this.to = to;
return true;
} catch (Exception e) {
return false;
}
}

public boolean setText(String text) {
System.out.println("set text begin.");

try {
BodyPart bp = new MimeBodyPart();
// bp.setContent("<meta http-equiv=Context-Type context=text/html;charset=gb2312>"+text,"text/html;charset=GB2312");
bp.setContent(
"<meta http-equiv=Context-Type context=text/html;charset=utf-8>"
+ text, "text/html;charset=UTF-8");
if (mp == null) {
mp = new MimeMultipart();
}

mp.addBodyPart(bp);
return true;
} catch (Exception e) {
System.out.println("Set context Faild! " + e);
return false;
}
}

/**
* 添加附件..
*
* @param filename
* @return
*/
public boolean addFileAffix(String filename) {
System.out.println("增加附件..");
if (mp == null) {
mp = new MimeMultipart();
}
if (filename.equals("") || filename == null) {
return false;
}
String file[];
file = filename.split(";");
System.out.println("你有 " + file.length + " 个附件!");

try {
for (int i = 0; i < file.length; i++) {
BodyPart bp = new MimeBodyPart();
FileDataSource fileds = new FileDataSource(file[i]);
bp.setDataHandler(new DataHandler(fileds));
bp.setFileName(fileds.getName());

mp.addBodyPart(bp);
}
return true;
} catch (Exception e) {
System.err.println("增加附件: " + filename + "--faild!" + e);
return false;
}
}

// 创建传入身份验证信息的 Authenticator类
class AjavaAuthenticator extends Authenticator {
private String user;
private String pwd;

public AjavaAuthenticator(String user, String pwd) {
this.user = user;
this.pwd = pwd;
}

@Override
protected PasswordAuthentication getPasswordAuthentication() {
return new PasswordAuthentication(user, pwd);
}
}

}

import org.junit.Test;

//JavaMail发送例子

public class MailUtil {
public static final String _adminMail = "";
public static final String _password = "";
public static final String _stmp = "";

public static boolean sendMail(String toMail,String title,String text){
AjavaSendMail sm = new AjavaSendMail(_stmp);
sm.setNamePass(_adminMail, _password);
sm.setSubject(title);
sm.setFrom(_adminMail);
sm.setTo(toMail);
sm.setText(text);
sm.createMimeMessage();
return sm.setOut();
}
}