J2ME 实现简单电子邮件发送功能 有关验证问题！！！！！
本地测试通过，不能向外发邮件，请教有关验证问题？有人可以告诉我如何加入验证代码吗 ？如何写？
---MIDlet---
package com;
import java.io.DataOutputStream;
import java.io.IOException;
import javax.microedition.midlet.MIDlet;
import javax.microedition.midlet.MIDletStateChangeException;
import javax.microedition.lcdui.*;
import javax.microedition.io.*;
public class MailClient extends MIDlet
{
private MainForm mainForm;
private ContentForm contentForm;
private Display display;
private Message message;
public Message getMessage()
{
return message;
}
public void setMessage(Message message)
{
this.message = message;
}
public void displayAlert(String text, AlertType type, Displayable disp)
{
Alert alert = new Alert( "Application Error ");
alert.setString(text);
alert.setType(type);
alert.setTimeout(2000);
display.setCurrent(alert, disp);
}
public ContentForm getContentForm()
{
return contentForm;
}
public Display getDisplay()
{
return display;
}
public MainForm getMainForm()
{
return mainForm;
}
public void initMIDlet()
{
MailThread t = new MailThread(this);
t.start();
message = new Message();
display = Display.getDisplay(this);
mainForm = new MainForm(this, "Simple Mail Client ");
contentForm = new ContentForm( "Content ", null, 150, TextField.ANY, this);
display.setCurrent(mainForm);
}
protected void startApp() throws MIDletStateChangeException
{
initMIDlet();
}
protected void pauseApp()
{
}
protected void destroyApp(boolean arg0) throws MIDletStateChangeException
{
}
}
class MailThread extends Thread
{
private MailClient midlet;
public MailThread(MailClient midlet)
{
this.midlet = midlet;
}
public void run()
{
synchronized(midlet)
{
try
{
midlet.wait();
}
catch(Exception e)
{
e.printStackTrace();
}
}
System.out.println( "connecting to server..... ");
HttpConnection httpConn = null;
DataOutputStream dos = null;
try
{
httpConn =
(HttpConnection)Connector.open( "http://localhost:8888/Maile/MaileServlet ");
httpConn.setRequestMethod( "POST ");
dos = new DataOutputStream(httpConn.openOutputStream());
dos.writeUTF(midlet.getMessage().getTo());
dos.writeUTF(midlet.getMessage().getSubject());
dos.writeUTF(midlet.getMessage().getContent());
dos.close();
httpConn.close();
System.out.println( "end of sending mail ");
}
catch(IOException e)
{}
}
}
-----------servlet--------------
package com;
import java.io.DataInputStream;
import java.io.IOException;
import java.util.Properties;
import javax.servlet.ServletConfig;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.mail.*;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;
import java.util.*;
import java.net.*;
public class MailServlet extends HttpServlet
{
private static String host;
private static String from;
public void init(ServletConfig config) throws ServletException
{
super.init(config);
host = config.getInitParameter( "host ");
from = config.getInitParameter( "from ");
System.out.println(host + from);
}
protected void doGet(HttpServletRequest request,
HttpServletResponse response) throws ServletException, IOException
{
}
protected void doPost(HttpServletRequest request,
HttpServletResponse response) throws ServletException, IOException
{
DataInputStream dis = new DataInputStream(request.getInputStream());
String send = dis.readUTF();
String subject = dis.readUTF();
String content = dis.readUTF();
try
{
Properties props = System.getProperties();
// Setup mail server
props.put( "mail.smtp.host ", host);
// Get session
Session session = Session.getDefaultInstance(props, null);
// Define message
MimeMessage message = new MimeMessage(session);
// Set the from address
message.setFrom(new InternetAddress(from));
// Set the to address
message.addRecipient(Message.RecipientType.TO, new
InternetAddress(
send));
// Set the subject
message.setSubject(subject);
// Set the content
message.setText(content);
// Send message
Transport.send(message);
} catch (Exception e)
{
e.printStackTrace();
}
}
}
-----------web.xml------------
<?xml version= "1.0 " ?>
<web-app>
<servlet>
<servlet-name> ServletMail </servlet-name>
<servlet-class> com.j2medev.servletmail.MailServlet </servlet-class>
<init-param>
<param-name> host </param-name>
<param-value> smtp.263.net </param-value>
</init-param>
<init-param>
<param-name> from </param-name>
<param-value> eric.zhan@263.net </param-value>
</init-param>
</servlet>
<servlet-mapping>
<servlet-name> ServletMail </servlet-name>
<url-pattern> /maildo </url-pattern>
</servlet-mapping>
<welcome-file-list>
<welcome-file> index.jsp </welcome-file>
</welcome-file-list>
<error-page>
<error-code> 404 </error-code>
<location> /error.jsp </location>
</error-page>
</web-app>
先谢谢了。
[解决办法]
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