求一个用java做的发送email的程序 求一段用java发送email的程序。最好有例子,我急死了 送分 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 import java.net.*;import java.io.*;/** * <p>Title: 使用SMTP发送邮件</p> * <p>Description: 本实例通过使用socket方式,根据SMTP协议发送邮件</p> * <p>Copyright: Copyright (c) 2003</p> * <p>Filename: sendSMTPMail.java</p> * @version 1.0 */public class sendSMTPMail {/** *<br>方法说明:主方法 *<br>输入参数:1。服务器ip;2。对方邮件地址 *<br>返回类型: */ public static void main(String[] arges) { if(arges.length!=2){ System.out.println("use java sendSMTPMail hostname | mail to"); return; } sendSMTPMail t = new sendSMTPMail(); t.sendMail(arges[0], arges[1]); }/** *<br>方法说明:发送邮件 *<br>输入参数:String mailServer 邮件接收服务器 *<br>输入参数:String recipient 接收邮件的地址 *<br>返回类型: */public void sendMail(String mailServer, String recipient) { try { //有Socket打开25端口 Socket s = new Socket(mailServer, 25); //缓存输入和输出 BufferedReader in = new BufferedReader (new InputStreamReader(s.getInputStream(), "8859_1")); BufferedWriter out = new BufferedWriter (new OutputStreamWriter(s.getOutputStream(), "8859_1")); //发出“HELO”命令,表示对服务器的问候 send(in, out, "HELO theWorld"); //告诉服务器我的邮件地址,有些服务器要校验这个地址 send(in, out, "MAIL FROM: <[email protected]>"); //使用“RCPT TO”命令告诉服务器解释邮件的邮件地址 send(in, out, "RCPT TO: " + recipient); //发送一个“DATA”表示下面将是邮件主体 send(in, out, "DATA"); //使用Subject命令标注邮件主题 send(out, "Subject: 这是一个测试程序!"); //使用“From”标注邮件的来源 send(out, "From: riverwind <[email protected]>"); send (out, "\n"); //邮件主体 send(out, "这是一个使用SMTP协议发送的邮件!如果打扰请删除!"); send(out, "\n.\n"); //发送“QUIT”端口邮件的通讯 send(in, out, "QUIT"); s.close(); } catch (Exception e) { e.printStackTrace(); } }/** *<br>方法说明:发送信息,并接收回信 *<br>输入参数: *<br>返回类型: */ public void send(BufferedReader in, BufferedWriter out, String s) { try { out.write(s + "\n"); out.flush(); System.out.println(s); s = in.readLine(); System.out.println(s); } catch (Exception e) { e.printStackTrace(); } }/** *<br>方法说明:重载方法。向socket写入信息 *<br>输入参数:BufferedWriter out 输出缓冲器 *<br>输入参数:String s 写入的信息 *<br>返回类型: */ public void send(BufferedWriter out, String s) { try { out.write(s + "\n"); out.flush(); System.out.println(s); } catch (Exception e) { e.printStackTrace(); } }}这个是用socket写的得有服务器ip地址不太好用我发一个用javamail写的不过得用javamail这个包 import java.util.*;import java.io.*;import javax.mail.*;import javax.mail.internet.*;import javax.activation.*;/** * <p>Title: 使用javamail发送邮件</p> * <p>Description: 演示如何使用javamail包发送电子邮件。这个实例可发送多附件</p> * <p>Filename: Mail.java</p> * @version 1.0 */public class Mail {String to = "";//收件人String from = "";//发件人String host = "";//smtp主机String username = "" ;String password = "" ;String filename = "";//附件文件名String subject = "";//邮件主题String content = "";//邮件正文Vector file = new Vector();//附件文件集合/** *<br>方法说明:默认构造器 *<br>输入参数: *<br>返回类型: */public Mail(){}/** *<br>方法说明:构造器,提供直接的参数传入 *<br>输入参数: *<br>返回类型: */public Mail(String to,String from,String smtpServer,String username,String password,String subject,String content){ this.to = to; this.from = from; this.host = smtpServer; this.username = username; this.password = password; this.subject = subject; this.content = content;}/** *<br>方法说明:设置邮件服务器地址 *<br>输入参数:String host 邮件服务器地址名称 *<br>返回类型: */public void setHost(String host){ this.host = host;}/** *<br>方法说明:设置登录服务器校验密码 *<br>输入参数: *<br>返回类型: */public void setPassWord(String pwd){ this.password = pwd;}/** *<br>方法说明:设置登录服务器校验用户 *<br>输入参数: *<br>返回类型: */public void setUserName(String usn){ this.username = usn;}/** *<br>方法说明:设置邮件发送目的邮箱 *<br>输入参数: *<br>返回类型: */public void setTo(String to){ this.to = to;}/** *<br>方法说明:设置邮件发送源邮箱 *<br>输入参数: *<br>返回类型: */public void setFrom(String from){ this.from = from;}/** *<br>方法说明:设置邮件主题 *<br>输入参数: *<br>返回类型: */public void setSubject(String subject){ this.subject = subject;}/** *<br>方法说明:设置邮件内容 *<br>输入参数: *<br>返回类型: */public void setContent(String content){ this.content = content;}/** *<br>方法说明:把主题转换为中文 *<br>输入参数:String strText *<br>返回类型: */public String transferChinese(String strText){ try{ strText = MimeUtility.encodeText(new String(strText.getBytes(), "GB2312"), "GB2312", "B"); }catch(Exception e){ e.printStackTrace(); } return strText;}/** *<br>方法说明:往附件组合中添加附件 *<br>输入参数: *<br>返回类型: */public void attachfile(String fname){ file.addElement(fname);}/** *<br>方法说明:发送邮件 *<br>输入参数: *<br>返回类型:boolean 成功为true,反之为false */public boolean sendMail(){ //构造mail session Properties props = System.getProperties(); props.put("mail.smtp.host",host); props.put("mail.smtp.auth","true"); Session session=Session.getDefaultInstance(props, new Authenticator(){ public PasswordAuthentication getPasswordAuthentication(){ return new PasswordAuthentication(username,password); } }); try { //构造MimeMessage 并设定基本的值 MimeMessage msg = new MimeMessage(session); msg.setFrom(new InternetAddress(from)); InternetAddress[] address={new InternetAddress(to)}; msg.setRecipients(Message.RecipientType.TO,address); subject = transferChinese(subject); msg.setSubject(subject); //构造Multipart Multipart mp = new MimeMultipart(); //向Multipart添加正文 MimeBodyPart mbpContent = new MimeBodyPart(); mbpContent.setText(content); //向MimeMessage添加(Multipart代表正文) mp.addBodyPart(mbpContent); //向Multipart添加附件 Enumeration efile=file.elements(); while(efile.hasMoreElements()){ MimeBodyPart mbpFile = new MimeBodyPart(); filename=efile.nextElement().toString(); FileDataSource fds = new FileDataSource(filename); mbpFile.setDataHandler(new DataHandler(fds)); mbpFile.setFileName(fds.getName()); //向MimeMessage添加(Multipart代表附件) mp.addBodyPart(mbpFile); } file.removeAllElements(); //向Multipart添加MimeMessage msg.setContent(mp); msg.setSentDate(new Date()); //发送邮件 Transport.send(msg); } catch (MessagingException mex) { mex.printStackTrace(); Exception ex = null; if ((ex=mex.getNextException())!=null){ ex.printStackTrace(); } return false; } return true; }/** *<br>方法说明:主方法,用于测试 *<br>输入参数: *<br>返回类型: */ public static void main(String[] args){ Mail sendmail = new Mail(); sendmail.setHost("smtp.sohu.com"); sendmail.setUserName("du_jiang"); sendmail.setPassWord("31415926"); sendmail.setTo("[email protected]"); sendmail.setFrom("[email protected]"); sendmail.setSubject("你好,这是测试!"); sendmail.setContent("你好这是一个带多附件的测试!"); //Mail sendmail = new Mail("[email protected]","[email protected]","smtp.sohu.com","du_jiang","31415926","你好","胃,你好吗?"); sendmail.attachfile("c:\\test.txt"); sendmail.attachfile("DND.jar"); sendmail.sendMail(); }}//endjavamail写的看看你哪个能用到 java 开发C/S模式的软件,可以向visual studio那样拖拽空间吗 线程这样写合适么? 中转服务器该怎么写? 如何运用getImage()装载图象 请教一个算法题:请教如何计算两个日期之间的天数差啊? 这句代码是什么意思? jdk1.3是怎样安装的 关于数据库的问题 Applet的刷新问题 web工程中的WebContent文件下的文件可以直接访问吗? 还是Hashtable 问题. IO流问题,大哥们救命!
import java.io.*;
/**
* <p>Title: 使用SMTP发送邮件</p>
* <p>Description: 本实例通过使用socket方式,根据SMTP协议发送邮件</p>
* <p>Copyright: Copyright (c) 2003</p>
* <p>Filename: sendSMTPMail.java</p>
* @version 1.0
*/
public class sendSMTPMail {
/**
*<br>方法说明:主方法
*<br>输入参数:1。服务器ip;2。对方邮件地址
*<br>返回类型:
*/
public static void main(String[] arges) {
if(arges.length!=2){
System.out.println("use java sendSMTPMail hostname | mail to");
return;
}
sendSMTPMail t = new sendSMTPMail();
t.sendMail(arges[0], arges[1]);
}
/**
*<br>方法说明:发送邮件
*<br>输入参数:String mailServer 邮件接收服务器
*<br>输入参数:String recipient 接收邮件的地址
*<br>返回类型:
*/
public void sendMail(String mailServer, String recipient) {
try {
//有Socket打开25端口
Socket s = new Socket(mailServer, 25);
//缓存输入和输出
BufferedReader in = new BufferedReader
(new InputStreamReader(s.getInputStream(), "8859_1"));
BufferedWriter out = new BufferedWriter
(new OutputStreamWriter(s.getOutputStream(), "8859_1"));
//发出“HELO”命令,表示对服务器的问候
send(in, out, "HELO theWorld");
//告诉服务器我的邮件地址,有些服务器要校验这个地址
send(in, out, "MAIL FROM: <[email protected]>");
//使用“RCPT TO”命令告诉服务器解释邮件的邮件地址
send(in, out, "RCPT TO: " + recipient);
//发送一个“DATA”表示下面将是邮件主体
send(in, out, "DATA");
//使用Subject命令标注邮件主题
send(out, "Subject: 这是一个测试程序!");
//使用“From”标注邮件的来源
send(out, "From: riverwind <[email protected]>");
send (out, "\n");
//邮件主体
send(out, "这是一个使用SMTP协议发送的邮件!如果打扰请删除!");
send(out, "\n.\n");
//发送“QUIT”端口邮件的通讯
send(in, out, "QUIT");
s.close();
}
catch (Exception e) {
e.printStackTrace();
}
}
/**
*<br>方法说明:发送信息,并接收回信
*<br>输入参数:
*<br>返回类型:
*/
public void send(BufferedReader in, BufferedWriter out, String s) {
try {
out.write(s + "\n");
out.flush();
System.out.println(s);
s = in.readLine();
System.out.println(s);
}
catch (Exception e) {
e.printStackTrace();
}
}
/**
*<br>方法说明:重载方法。向socket写入信息
*<br>输入参数:BufferedWriter out 输出缓冲器
*<br>输入参数:String s 写入的信息
*<br>返回类型:
*/
public void send(BufferedWriter out, String s) {
try {
out.write(s + "\n");
out.flush();
System.out.println(s);
}
catch (Exception e) {
e.printStackTrace();
}
}
}
这个是用socket写的
得有服务器ip地址
不太好用
我发一个用javamail写的
不过得用javamail这个包
import java.io.*;
import javax.mail.*;
import javax.mail.internet.*;
import javax.activation.*;/**
* <p>Title: 使用javamail发送邮件</p>
* <p>Description: 演示如何使用javamail包发送电子邮件。这个实例可发送多附件</p>
* <p>Filename: Mail.java</p>
* @version 1.0
*/
public class Mail {String to = "";//收件人
String from = "";//发件人
String host = "";//smtp主机
String username = "" ;
String password = "" ;
String filename = "";//附件文件名
String subject = "";//邮件主题
String content = "";//邮件正文
Vector file = new Vector();//附件文件集合
/**
*<br>方法说明:默认构造器
*<br>输入参数:
*<br>返回类型:
*/
public Mail(){
}
/**
*<br>方法说明:构造器,提供直接的参数传入
*<br>输入参数:
*<br>返回类型:
*/
public Mail(String to,String from,String smtpServer,String username,String password,String subject,String content){
this.to = to;
this.from = from;
this.host = smtpServer;
this.username = username;
this.password = password;
this.subject = subject;
this.content = content;
}
/**
*<br>方法说明:设置邮件服务器地址
*<br>输入参数:String host 邮件服务器地址名称
*<br>返回类型:
*/
public void setHost(String host){
this.host = host;
}
/**
*<br>方法说明:设置登录服务器校验密码
*<br>输入参数:
*<br>返回类型:
*/
public void setPassWord(String pwd){
this.password = pwd;
}
/**
*<br>方法说明:设置登录服务器校验用户
*<br>输入参数:
*<br>返回类型:
*/
public void setUserName(String usn){
this.username = usn;
}
/**
*<br>方法说明:设置邮件发送目的邮箱
*<br>输入参数:
*<br>返回类型:
*/
public void setTo(String to){
this.to = to;
}
/**
*<br>方法说明:设置邮件发送源邮箱
*<br>输入参数:
*<br>返回类型:
*/
public void setFrom(String from){
this.from = from;
}
/**
*<br>方法说明:设置邮件主题
*<br>输入参数:
*<br>返回类型:
*/
public void setSubject(String subject){
this.subject = subject;
}
/**
*<br>方法说明:设置邮件内容
*<br>输入参数:
*<br>返回类型:
*/
public void setContent(String content){
this.content = content;
}
/**
*<br>方法说明:把主题转换为中文
*<br>输入参数:String strText
*<br>返回类型:
*/
public String transferChinese(String strText){
try{
strText = MimeUtility.encodeText(new String(strText.getBytes(), "GB2312"), "GB2312", "B");
}catch(Exception e){
e.printStackTrace();
}
return strText;
}
/**
*<br>方法说明:往附件组合中添加附件
*<br>输入参数:
*<br>返回类型:
*/
public void attachfile(String fname){
file.addElement(fname);
}
/**
*<br>方法说明:发送邮件
*<br>输入参数:
*<br>返回类型:boolean 成功为true,反之为false
*/
public boolean sendMail(){ //构造mail session
Properties props = System.getProperties();
props.put("mail.smtp.host",host);
props.put("mail.smtp.auth","true");
Session session=Session.getDefaultInstance(props, new Authenticator(){
public PasswordAuthentication getPasswordAuthentication(){
return new PasswordAuthentication(username,password);
}
});
try {
//构造MimeMessage 并设定基本的值
MimeMessage msg = new MimeMessage(session);
msg.setFrom(new InternetAddress(from));
InternetAddress[] address={new InternetAddress(to)};
msg.setRecipients(Message.RecipientType.TO,address);
subject = transferChinese(subject);
msg.setSubject(subject);
//构造Multipart
Multipart mp = new MimeMultipart();
//向Multipart添加正文
MimeBodyPart mbpContent = new MimeBodyPart();
mbpContent.setText(content);
//向MimeMessage添加(Multipart代表正文)
mp.addBodyPart(mbpContent);
//向Multipart添加附件
Enumeration efile=file.elements();
while(efile.hasMoreElements()){
MimeBodyPart mbpFile = new MimeBodyPart();
filename=efile.nextElement().toString();
FileDataSource fds = new FileDataSource(filename);
mbpFile.setDataHandler(new DataHandler(fds));
mbpFile.setFileName(fds.getName());
//向MimeMessage添加(Multipart代表附件)
mp.addBodyPart(mbpFile); }
file.removeAllElements();
//向Multipart添加MimeMessage
msg.setContent(mp);
msg.setSentDate(new Date());
//发送邮件
Transport.send(msg);
} catch (MessagingException mex) {
mex.printStackTrace();
Exception ex = null;
if ((ex=mex.getNextException())!=null){
ex.printStackTrace();
}
return false;
}
return true;
}
/**
*<br>方法说明:主方法,用于测试
*<br>输入参数:
*<br>返回类型:
*/
public static void main(String[] args){
Mail sendmail = new Mail();
sendmail.setHost("smtp.sohu.com");
sendmail.setUserName("du_jiang");
sendmail.setPassWord("31415926");
sendmail.setTo("[email protected]");
sendmail.setFrom("[email protected]");
sendmail.setSubject("你好,这是测试!");
sendmail.setContent("你好这是一个带多附件的测试!");
//Mail sendmail = new Mail("[email protected]","[email protected]","smtp.sohu.com","du_jiang","31415926","你好","胃,你好吗?");
sendmail.attachfile("c:\\test.txt");
sendmail.attachfile("DND.jar");
sendmail.sendMail(); }
}//end
javamail写的
看看你哪个能用到