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Android中的後臺郵件傳送

一、呼叫郵件傳送工具類進行郵件傳送

			new Thread(){
					public void run() {
						try {
						GMailSender sender = new GMailSender(
								"[email protected]",
								"ee768lxq");
							sender.sendMail("xxxxx註冊驗證", "驗證碼:"
									+ localNum,
									"[email protected]",
									email);
						} catch (Exception e) {
							e.printStackTrace();
						}
					};
				}.start();

將上面的郵箱和密碼換成你自己的郵箱和密碼。

二、郵件傳送工具類


import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.security.Security;
import java.util.Properties;

import javax.activation.DataHandler;
import javax.activation.DataSource;
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 GMailSender extends javax.mail.Authenticator {        
    private String mailhost = "smtp.gmail.com";
    private String user;
    private String password;
    private Session session;
    static {
        Security.addProvider(new JSSEProvider());
    }
    public GMailSender(String user, String password) {
        this.user = user;
        this.password = password;
         Properties props = new Properties();
        props.setProperty("mail.transport.protocol", "smtp");
        props.setProperty("mail.host", mailhost);
        props.put("mail.smtp.auth", "true");
        props.put("mail.smtp.port", "465");
        props.put("mail.smtp.socketFactory.port", "465");
        props.put("mail.smtp.socketFactory.class",
                "javax.net.ssl.SSLSocketFactory");
        props.put("mail.smtp.socketFactory.fallback", "false");

        props.setProperty("mail.smtp.quitwait", "false");
         session = Session.getDefaultInstance(props, this);
    } 
    protected PasswordAuthentication getPasswordAuthentication() {
        return new PasswordAuthentication(user, password);
    } 
    public synchronized void sendMail(String subject, String body, String sender, String recipients) throws Exception {
        try{
     MimeMessage message = new MimeMessage(session);
        DataHandler handler = new DataHandler(new ByteArrayDataSource(body.getBytes(), "text/plain"));
        message.setSender(new InternetAddress(sender));
        message.setSubject(subject);
        message.setDataHandler(handler);
        if (recipients.indexOf(',') > 0)
            message.setRecipients(Message.RecipientType.TO, InternetAddress.parse(recipients));
        else
           message.setRecipient(Message.RecipientType.TO, new InternetAddress(recipients));
        Transport.send(message);
        }catch(Exception e){ 
     } 
}  
   public class ByteArrayDataSource implements DataSource { 
       private byte[] data;
        private String type; 
        public ByteArrayDataSource(byte[] data, String type) { 
           super();
            this.data = data;
            this.type = type;
        }
         public ByteArrayDataSource(byte[] data) {
            super();
            this.data = data;
        }
         public void setType(String type) { 
           this.type = type;
        } 
        public String getContentType() {
            if (type == null)
                return "application/octet-stream";
            else
               return type; 
       }
         public InputStream getInputStream() throws IOException {
            return new ByteArrayInputStream(data);
        }
         public String getName() {
            return "ByteArrayDataSource";
        }
         public OutputStream getOutputStream() throws IOException {
            throw new IOException("Not Supported");
        }
    }
}   
三、Provider類
import java.security.AccessController;
import java.security.Provider;
  
public final class JSSEProvider extends Provider {
      public JSSEProvider() {
         super("HarmonyJSSE", 1.0, "Harmony JSSE Provider");
         AccessController.doPrivileged(new java.security.PrivilegedAction<Void>() {
             public Void run() { 
                put("SSLContext.TLS",
                         "org.apache.harmony.xnet.provider.jsse.SSLContextImpl");
                 put("Alg.Alias.SSLContext.TLSv1", "TLS");
                 put("KeyManagerFactory.X509",
                         "org.apache.harmony.xnet.provider.jsse.KeyManagerFactoryImpl");
                 put("TrustManagerFactory.X509",
                         "org.apache.harmony.xnet.provider.jsse.TrustManagerFactoryImpl");
                 return null;
             } 
        });
     }
 } 

關於Provider請參看:http://www.766.com/doc/java/security/class-use/Provider.html

四、需要的jar包