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1¡¢Êó±êʼþ£ºµãÊó±ê°´Å¥ÊÂËü»áµ÷ÓÃÈý¸ö¼àÌýÆ÷·½·¨£ºmousePressed,mouseReleased,mouseClicked.
Êó±êʼþÌṩÁËmousePressed,mouseClicked,mouseDragged,mouseEntered,mouseExited£¬ mouseUp£¬mouseDown£¬mouseDragµÈʼþ¡£ÏÂÃæ½éÉÜÒ»¸öÊó±êÒ»Àý×Ó£º
import java.awt.*;
import java.applet.Applet;
public class CountClick extends Applet
{int CurrentMarks=0;
int a,b;
public boolean mouseDown(Event evt,int x,int y)//Êó±ê°´ÏÂʱ×öµÄÊÂ
{ CurrentMarks++;//¼Æ¼°´Ï´ÎÊý
repaint();//Ë¢ÐÂÃæ°æ
a=x;//µÃµ½Êó±êµÄºá×ø±ê
b=y;//µÃµ½Êó±êµÄÊú×ø±ê
return true;
}
public void paint(Graphics g)
{ g.drawString(" "+CurrentMarks,10,10);//´òÓ¡°´Ï´ÎÊý
g.drawString(" "+a,10,30);//´òÓ¡Êó±êµÄºá×ø±ê
g.drawString(" "+b,10,20);//´òÓ¡Êó±êµÄ¼á×ø±ê
}
}
//<applet code="CountClick.class" width="200" height="100"></applet>
2¡¢¼üÅÌʼþ£ºÈç¹ûÎÒÃÇÏ£ÍûʹÓüüÅÌ»ñµÃÊäÈëÐÅÏ¢£¬¾Í±ØÐë´¦Àí¼üÅÌʼþ¡£ÎÒÃÇ¿ÉÒÔÓÃÔÚConponentµÄkeyDownÀ´ÊµÏÖ¡£ÈçÏÂÀý×Ó£º
import java.applet.Applet;import java.awt.*;
{ char Presskey;
public boolean keyDown(Event evt, int key)
{ Presskey=(char)key;//¼Ç¼Ä㰴ϵļü
repaint(); return true;
}
public void paint(Graphics g)
{ g.drawString(Presskey,10,10); }//´òÓ¡Ä㰴ϵļüÖµ
}
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