首先引入j2ee的包路徑到ClassPath,已經安裝Jbuilder的可以在它的安裝路徑lib目錄下找
到mail.jar,activation.jar,將這兩個包加入系統的環境變量,那麼即使不用JBuilder開發的話也可以
使用了.
程序:
import Java.io.*;
import java.util.*;
import javax.mail.*;
import javax.mail.internet.*;
/**
* <p>Title: 簡易MailBean</p>
* <p>Description: 提供簡便的Mail發送功能（/p>
* <p>Copyright: Copyright (c) 2003</p>
* @version 1.0
*/
class ExtendString {
public ExtendString() {
}
/**
去掉字符串兩端的空白字符,並將字符串轉化為中國的標准字符gb2312的字符串.
*/
public String CS(String str) { //去掉字符串2端的空白字符
try {
if (str == null)
return "";
str = str.trim();
if (str == null)
return "";
str = new String(str.getBytes("8859_1"), "GBK");
}
catch (Exception e) {
System.out.println(e);
}
return str;
}
}
public class SendMail
{
private String errMsg = "";
private ExtendString ExStr = new ExtendString();
private String sender = "";//發件人地址
private String smtpHost = "";//郵件發送服務器（smtp）
private String user = ""; //登錄用戶名
private String passWord = "";//登錄密碼
private String subject = "";//mail主題
public SendMail()
{
this.setPropertiesAttri();
}
private void setPropertiesAttri()
{
try
{
InputStream is = getClass().getResourceAsStream("MailServer.properties");
Properties prop = new Properties();
prop.load(is);
this.setSmtpHost(prop.get("SmtpHost").toString());
this.setUser(prop.get("User").toString());
this.setPassword(prop.get("Password").toString());
this.setSender(prop.get("Sender").toString());
this.setSubject(ExStr.CS(prop.get("Subject").toString()));
}
catch(Exception ex)
{
System.err.println("ex1 in sendmail.java:"+ex.toString());
}
}
/** 設置發件人地址 */
public void setSender(String sender)
{
this.sender = sender;
}
public String getSender()
{
return sender;
}
/** 設置郵件發送服務器（smtp） */
public void setSmtpHost(String smtpHost) {this.smtpHost = smtpHost;}
public String getSmtpHost() {return smtpHost;}
/** 設置登錄用戶名 */
public void setUser(String user)
{
this.user = user;
}
public String getUser()
{
return user;
}
/** 設置登錄密碼 */
public void setPassword(String password)
{
this.password = password;
}
public String getPassword()
{
return password;
}
/** 設置mail主題 */
public void setSubject(String subject)
{
this.subject = subject;
}
public String getSubject()
{
return subject;
}
/**
* 使用smtp發送郵件 主程序
* @throws MessagingException mail發送失敗
*/
public void smtp(String receiver,String content) throws MessagingException
{
if (smtpHost == null) throw new MessagingException("smtpHost not found");
if (user == null) throw new MessagingException("user not found");
if (password == null) throw new MessagingException("password not found");
Properties properties = new Properties();
properties.put("mail.smtp.host", smtpHost);//設置smtp主機
properties.put("mail.smtp.auth", "true");//使用smtp身份驗證
Session session = Session.getDefaultInstance(properties,
new Authenticator(){
public PasswordAuthentication getPasswordAuthentication(){
return new PasswordAuthentication(user, password);
}
});
//獲得郵件會話對象
MimeMessage mimeMsg = new MimeMessage(session);//創建MIME郵件對象
if (sender != null)//設置發件人地址
{
mimeMsg.setFrom(new InternetAddress(sender));
}
if (receiver != null)//設置收件人地址
{
mimeMsg.setRecipients(Message.RecipientType.TO, parse(receiver));
}
if (subject != null)//設置郵件主題
{
mimeMsg.setSubject(subject, "GBK");
}
MimeBodyPart part = new MimeBodyPart();//mail內容部分
part.setText(content == null ？ "" : content, "GBK");
//設置郵件格式為Html cqc
part.setContent(content.toString(),"text/html;charset=GBK");
Multipart multipart = new MimeMultipart();
multipart.addBodyPart(part);//在 Multipart 中增加mail內容部分
mimeMsg.setContent(multipart);//增加 Multipart 到信息體
mimeMsg.setSentDate(new Date());//設置發送日期
Transport.send(mimeMsg);//發送郵件
}
/** 解析地址集合字符串 */
private InternetAddress[] parse(String addressSet) throws AddressException
{
ArrayList list = new ArrayList();
StringTokenizer tokens = new StringTokenizer(addressSet, ";");
while (tokens.hasMoreTokens())
{
list.add(new InternetAddress(tokens.nextToken().trim()));
}
InternetAddress[] addressArray = new InternetAddress[list.size()];
list.toArray(addressArray);
return addressArray;
}
/**
* 供外部調用的接口
*/
public boolean sendMails(String mail,String content)
{
int mailLen = 0 ;
int contentLen= 0;
if (mail == nullcontent==null)
{
return false;
}
try
{
this.smtp(mail,content);
}
catch(Exception ex)
{
System.err.println("ex2 in sendmail.java:"+ex.toString());
}
return true;
}
public static void main (String[] args)
{
SendMail mail = new SendMail();
String email = "[email protected];[email protected]";
String content = "賬號:123 密碼:123 <br/>感謝您注冊!<br/><a href='http://www.xxxx.com.cn' target='_blank'>www.xxxx.com.cn</a><br/>此致<br/>xxxx <br/>即日";
try
{
mail.sendMails(email,content);
}
catch (Exception ex)
{
System.err.println("ex33:"+ex.toString());
}
}
}
編譯通過後,在class文件的目錄下建立一個文本文件MailServer.properties,
格式:
SmtpHost=smtp.163.com
User=user
Password=pwd
[email protected]
Subject=Hello
運行程序即可實現郵件發送!
