给你一个java写的邮件发送的例子，这个例子要有依赖 mail.jar 、 smtp.jar 、pop3.jar 等 这几个包，下面是邮件发送类，你可以调用这个类
/**
2 *
Title: JavaMail
3 *
Description: 发电子邮件
4 *
Copyright: Copyright (c) 2005
5 *
Company:
6 * @author KingSpace
8 */
import java.util.Date;
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.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 Mail {
private static String smtp;
private static MimeMessage mimeMsg; // MIME邮件对象
private static Session session; // 邮件会话对象
private static Properties props; // 系统属性
private static String username = ""; // smtp认证用户名和密码
private static String password = "";
private static 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
private static boolean auth = false; // smtp验证与否
public Mail() {
}
public Mail(String smtp) {
setSmtpHost(smtp);
createMimeMessage();
}
/**
* 31 * 创建系统属性Properties 32 * @param hostName String 33
*/
private 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
}
/**
* 42 * 创建邮件会话对象Session、MIME邮件对象MimeMessage 43 * @return boolean 44
*/
private boolean createMimeMessage() {
try {
System.out.println("准备获取邮件会话对象！");
if (auth) {
PopupAuthenticator popupAuthenticator = new PopupAuthenticator();// 验证类
@SuppressWarnings("unused")
PasswordAuthentication pop = popupAuthenticator.performCheck(username, password);
session = Session.getInstance(props, popupAuthenticator);
} else {
session = Session.getInstance(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;
}
}
/**
* 70 * 设置smtp身份认证
* 71 * @param need boolean
*/
private 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");
auth = true;
} else
props.put("mail.smtp.auth", "false");
}
/**
* 83 * 设置用户名密码
* 84 * @param name String
* 85 * @param pass String 86
*/
private void setNamePass(String name, String pass) {
username = name;
password = pass;
}
/**
* 93 * 设置邮件主题
* 94 * @param mailSubject String
* 95 * @return boolean
*/
private 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;
}
}
/**
* 108 * 设置邮件体文本内容
* 109 * @param mailBody String
*/
private boolean setBody(String mailBody) {
try {
BodyPart bp = new MimeBodyPart();
bp.setContent(
"
"
+ mailBody, "text/html;charset=GB2312");
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;
}
}
/**
* 124 * 设置邮件附件
* 125 * @param filename String
* 126 * @return boolean
*/
private boolean addFileAffix(String filename) {
System.out.println("增加邮件附件：" + 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("增加邮件附件：" + filename + "发生错误！" + e);
return false;
}
}
/**
* 146 * 设置发信人
* 147 * @param from String
* 148 * @return boolean
*/
public boolean setFrom(String from) {
System.out.println("发信人:" + from);
try {
mimeMsg.setFrom(new InternetAddress(from)); // 设置发信人
return true;
} catch (Exception e) {
return false;
}
}
/**
* 159 * 设置收件人
* 160 * @param to String
* 161 * @return boolean
*/
private boolean setTo(String to) {
System.out.println("收件人:" + to);
if (to == null)
return false;
try {
mimeMsg.setRecipients(Message.RecipientType.TO, InternetAddress
.parse(to));
return true;
} catch (Exception e) {
return false;
}
}
/**
* 173 * @param copyto String
* 174 * @return boolean
*/
@SuppressWarnings("unused")
private boolean setCopyTo(String copyto) {
if (copyto == null)
return false;
try {
mimeMsg.setRecipients(Message.RecipientType.CC,
(Address[]) InternetAddress.parse(copyto));
return true;
} catch (Exception e) {
return false;
}
}
/**
* 186 * 发邮件操作
* 187 * @return boolean
*/
public static boolean sendout() {
try {
mimeMsg.setContent(mp);
mimeMsg.saveChanges();
System.out.println("正在发送邮件.");
mimeMsg.setSentDate(new Date());
Transport transport = session.getTransport("smtp");
transport.connect((String) props.get("mail.smtp.host"), username,
password);
transport.sendMessage(mimeMsg, mimeMsg
.getRecipients(Message.RecipientType.TO));
transport.close();
// Transport.send(mimeMsg);
} catch (MessagingException ex) {
System.err.println("邮件发送失败！" + ex.getMessage());
return false;
}
System.out.println("邮件发送完成！");
return true;
}
/**
* 发送邮件.
*
* @param title
* 邮件标题.
* @param mailbody
* 邮件内容.如
* charset=gb2312>
一封邮件!!!
*
* @param fromName
* 发送邮件的邮件地址.如
* @param password
* 发送邮件的邮件地址的密码.
* @param toName
* 接收邮件的邮件地址.
*/
@SuppressWarnings("static-access")
public static boolean sendMail(String title, String mailbody, String fromName,
String password, String toName, String filePath) {
if (mailbody == null || "".equals(mailbody)) {
mailbody = "
该邮件内容为空！
";
}
String name = "";
if (smtp == null || "".equals(smtp)) {
smtp = "smtp." + fromName.substring(fromName.lastIndexOf("@") + 1);
name = fromName.substring(0, fromName.lastIndexOf("@"));
}
Mail themail = new Mail(smtp);
themail.setNamePass(name, password); // 登陆帐号密码
themail.setNeedAuth(true);// 设置SMTP是否验证
if (themail.setSubject(title) == false)
return false; // 设置标题
if (themail.setBody(mailbody) == false)
return false; // 设置邮件体
if (themail.setTo(toName) == false)
return false; // 设置收件人
if (themail.setFrom(fromName) == false)
return false; // 设置发件人
if(filePath != null && !"".equals(filePath)){
if(themail.addFileAffix(filePath) == false)
return false; //设置附件
}
if (themail.sendout() == false)
return false; // 发出邮件
return true;
}
}
