tools----java---->mail

package cn.java;

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;

public class SendMail {
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
private String username = ""; // smtp认证用户名和密码
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
public SendMail() {

// setSmtpHost(getConfig.mailHost);//如果没有指定邮件服务器,就从getConfig类中获取
createMimeMessage();

}

public SendMail(String smtp) {

setSmtpHost(smtp);
createMimeMessage();

}

/**
* @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

}

/**
* @return boolean
*/
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;
}
}

/**
* @param need
*            boolean
*/
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");
}
}

/**
* @param name
*            String
* @param pass
*            String
*/
public void setNamePass(String name, String pass) {
username = name;
password = pass;
}

/**
* @param mailSubject
*            String
* @return boolean
*/
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;
}
}

/**
* @param mailBody
*            String
*/
public boolean setBody(String mailBody) {
try {
BodyPart bp = new MimeBodyPart();
bp.setContent(
"<meta http-equiv=Content-Type content=text/html; charset=gb2312>"
+ 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;
}
}

/**
* @param name
*            String
* @param pass
*            String
*/
public 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;
}
}

/**
* @param name
*            String
* @param pass
*            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;
}
}

/**
* @param name
*            String
* @param pass
*            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;
}

}

/**
* @param name
*            String
* @param pass
*            String
*/
public 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;
}
}

/**
* @param name
*            String
* @param pass
*            String
*/
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));

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;
}

}

/**
* Just do it as this
*/
public static void main(String[] args) {

// 发送的邮件内容
String mailbody = "<meta http-equiv=Content-Type content=text/html; charset=gb2312>"
+ "<div align=center><h1 color=red >java，测试</h1></div>";

// 指明让那个smtp转发(搜狐)
SendMail themail = new SendMail("smtp.163.com");

// 校验身份
themail.setNeedAuth(true);

// 邮件标题
if (themail.setSubject("java发邮件") == false)
return;
// 将要发送的 内容放入邮件体
if (themail.setBody(mailbody) == false)
return;

// 发送到哪里
if (themail.setTo("收到") == false)
return;

// 谁发送的
if (themail.setFrom("发送") == false)///??????
return;
         //附件
if(themail.addFileAffix("D:\\图片\\搞笑\\rt.jpg") == false) return;

// if()

themail.setNamePass("发送", "密码");//???

// 发送
if (themail.sendout() == false)
return;
}
}