各位前辈.怎么写给*@tom.com发mail的JAVA CLASS 急急急急急急急急

Question

各位前辈.怎么写给*@tom.com发mail的JAVA CLASS 急急急急急急急急

Answer 1

//读邮件最简单的代码
package javamail;import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.util.Properties;import javax.mail.Folder;
import javax.mail.Message;
import javax.mail.Session;
import javax.mail.Store;
public class MailReader
{
        public static void main(String[] args) throws Exception
        {
                String pop3 = "pop3.163.com";
                
                //邮箱地址
                String user = "[email protected]";
                
                //口令
                String password = "123456";
                Properties props = new Properties();
                
                //创建Session对象
                Session session = Session.getDefaultInstance(props,null);
                
                
                /*从session中获得Store对象,getStore方法参数代表邮件协议
 * connect方法的参数分别是邮件服务器地址,用户名和该邮箱的密码
 * 
 */
                Store store = session.getStore("pop3");
                store.connect(pop3,user,password);
                
                /*从Store得到收件箱INBOX的文件夹,并将其打开
 * 如只读方法打开
 */
                Folder folder = store.getFolder("INBOX");
                folder.open(Folder.READ_ONLY);
                
                
                Message[] msg =folder.getMessages();
                
                for(int i=0;i<msg.length;i++)
                {
                     System.out.println("From: "+ msg[i].getFrom()[0]);
                     System.out.println("Subject: "+msg[i].getSubject());                           String s;
                           BufferedReader in =new BufferedReader(new InputStreamReader(msg[i].getInputStream()));                           System.out.println("---Mail Text---");
                           while((s = in.readLine())!= null)
                           {
                                System.out.println(s);
                             }
                             in.close();
                           System.out.println();                } 
                        //关闭收件箱和Store对象     
                folder.close(false);
                store.close();
         }
}

Answer 2

//发送邮件的代码,具体的包的用法查javaEE文档
package javamail;import java.util.Properties;import javax.mail.Authenticator;
import javax.mail.Message;
import javax.mail.PasswordAuthentication;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;public class MailSender {
public static void main(String[] args) throws Exception {

//这是邮件服务器地址
String smtp = "smtp.163.com";

//用户邮箱地址
String from = "[email protected]";
String to = "[email protected]";

//构造用户身份验证类对象,参数为用户名和口令
EmailAuthenticator auth = new EmailAuthenticator("yin2004", "123456");

//获取系统属性对象
Properties props = System.getProperties();
props.put("mail.smtp.host", smtp);
props.put("mail.smtp.auth", "true");

//获得session对象
Session session = Session.getInstance(props, (Authenticator) auth);

/*以session作为参数建立MimeMessage对象
*在这里mime指mutltipurpose internet mail extension协议
*mimeMessage是指支持该协议的类,用来描述邮件的内容
*/
MimeMessage msg = new MimeMessage(session);
msg.setFrom(new InternetAddress(from));
msg.addRecipient(Message.RecipientType.TO, new InternetAddress(to));
msg.setSubject("love this,Send mail 测试");
String s = " Test text 测试"; msg.setText(s);


/*设置好mimeMessage后,从session中建立transport对象
 * Tranport对象用于发送邮件信息,getTransport参数
 * 表明发送邮件使用的协议
 */
Transport transport = session.getTransport("smtp");
transport.connect(smtp, "[email protected]", "123456");
transport.sendMessage(msg, msg.getAllRecipients());
transport.close();
System.out.print("ok");
}
}//邮件用户的身份验证类,这是内部类
class EmailAuthenticator extends Authenticator {
private String m_username; private String m_userpass; EmailAuthenticator(String username, String userpass) {
super();
m_username = username;
m_userpass = userpass;
} public PasswordAuthentication getPasswordAuthentication() {
return new PasswordAuthentication(m_username, m_userpass);
}
}