发信人: lega(摇滚java)
整理人: zjxyz(2002-12-19 11:16:23), 站内信件
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/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
Copyright (c) Non, Inc. 1997 -- All Rights Reserved
PROJECT: JavaWorld
MODULE: Web Stuff
FILE: Happy.java
AUTHOR: John D. Mitchell, Jul 8, 1997
REVISION HISTORY:
Name Date Description
---- ---- -----------
JDM 97.07.08 Initial version.
DESCRIPTION:
This file shows how to POST to a web-server and get back the raw
response data.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
import java.awt.*;
import java.applet.*;
import java.io.*;
import java.util.*;
import java.net.*;
public class Happy extends Applet
{
private TextArea textArea = new TextArea (25, 70);
public void init ()
{
try
{
URL url;
URLConnection urlConn;
DataOutputStream printout;
DataInputStream input;
// URL of CGI-Bin script.
url = new URL (getCodeBase().toString() + "env.cgi");
// URL connection channel.
urlConn = url.openConnection();
// Let the run-time system (RTS) know that we want input.
urlConn.setDoInput (true);
// Let the RTS know that we want to do output.
urlConn.setDoOutput (true);
// No caching, we want the real thing.
urlConn.setUseCaches (false);
// Specify the content type.
urlConn.setRequestProperty
("Content-Type", "application/x-www-form-urlencoded");
// Send POST output.
printout = new DataOutputStream (urlConn.getOutputStream ());
String content =
"name=" + URLEncoder.encode ("Buford Early") +
"&email=" + URLEncoder.encode ("[email protected]");
printout.writeBytes (content);
printout.flush ();
printout.close ();
// Get response data.
input = new DataInputStream (urlConn.getInputStream ());
String str;
while (null != ((str = input.readLine())))
{
System.out.println (str);
textArea.appendText (str + "\n");
}
input.close ();
// Display response.
add ("Center", textArea);
}
catch (MalformedURLException me)
{
System.err.println("MalformedURLException: " + me);
}
catch (IOException ioe)
{
System.err.println("IOException: " + ioe.getMessage());
}
} // End of method init().
} // End of class Happy.
----
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