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ynwll ·¢±íÓÚ 2005-1-28 21:36

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ynwll ·¢±íÓÚ 2005-1-28 21:38

¡¾Ô­´´¡¿ÎÒµÄJava Appletѧϰ

´Ó½ñÌ쿪ʼÎÒ½«ºÍ´ó¼ÒÒ»ÆðѧϰJava Applet¡£µ±È»ÄãÒªÓÐÒ»¶¨µÄ±à³Ì»ù´¡£¬×îºÃÊÇJava£¬ËùÒÔÎҵĽ²½âÔÚijЩµØ·½¿ÉÄÜÊ¡ÂÔÒ»µã£¬Ê±¼ä²»»áÀË·ÑÔÚÄÇЩºÜ»ù´¡µÄ¶«Î÷ÉÏ£¨±ÈÈç±äÁ¿¡¢Êý¾ÝÀàÐÍ¡¢±í´ïʽÓëÔËËã·û¡¢Á÷³Ì¿ØÖÆÓï¾ä¡¢Àà¡¢·â×°µÈµÈ£©¡£
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1¡¢        µÚÒ»¸öHelloWorld³ÌÐò
ͬÑùµÄ£¬¿ªÊ¼Ñ§Ï°¶¼ÊÇÏÈÓÃÄǸö¾­µäÀý×Ó£ºHelloWorld£¬Óñ༭Æ÷дÈçÏ´úÂ룺
import java.applet.*;
import java.awt.*;

public class HelloWorld extends Applet
{
        public void paint(Graphics g)
        {
                g.drawString("HelloWorld!",2,20);
        }
}
´æ³ÉHelloWorld.java¡£ÓÃEclipseÔòн¨Ò»¸ö¹¤³Ì£¨project£©£¬ÔÙн¨Ò»¸öÎļþÃûΪHelloWorld.javaÄÚÈÝͬÉÏ£¬´úÂëËæºó½²½â¡£
        ÏÂÃæÒª±àÒëÎļþ£º
$javac HelloWorld.java ÎÒÃÇÒªÉú³ÉµÄÄǸöHelloWorld.classÎļþ¡£È»ºóÔٱ༭ÈçÏÂÒ»¸öÍøÒ³£º<html>
<head><title>ÎҵĵÚÒ»¸öJavaApplet³ÌÐò</title></head>
</body>
<p>
<applet code=HelloWorld.class width=300 height=200>
</applet>
</body>
</html>
´ò¿ªÖ®ºó¾Í¿ÉÒÔ¿´µ½Ð§¹û£¬Èç¹ûÊÇEclipseÔòÖ»ÓÃRun->Run As->Java Applet¾Í¿ÉÒÔÁË¡£
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import java.applet .*;        //ÒýÓÃJavaµÄAppletÀ࣬ÒÔºó¶¼ÒªÓõ½Ëü
import java.awt.*;     //ÊäÈëÊä³öÀ࣬ºóÃæÓõ½ÁËdrawStringÕâ¸öÊä³öº¯ÊýÔÚÕâ¸öÀà¿âÖÐ
public class HelloWorld extends Applet         //ÕâÊÇJava Applet³ÌÐòµÄÕýʽµÄÈë¿ÚextendsÊÇÀàµÄ¼Ì³Ð
{
public void paint(Graphics g)        // paintÊÇĬÈÏÊä³öº¯Êý£¬ÓÐÒ»GraphicsÀàÐͲÎÊý
           { g.drawString ("HelloWorld!",2,20); }                /*Êä³öÓï¾ädrawStringµÄº¯ÊýÈý¸öÊä³ö±äÁ¿£¬µÚÒ»¸öÒýºÅÄÚµÄÊÇÒªÊä³öµÄ×Ö·û´®£¬µÚ¶þ¡¢Èý¸öÊÇÊä³öλÖã¬Ô­µãÊÇ×óÉϽÇ*/
}

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