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📄 applet-keyword.htm

📁 写给JSP初级程序员的书
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<html><!-- #BeginTemplate "/Templates/more.dwt" -->
<head>
<!-- #BeginEditable "doctitle" --> 
<title>csdn_可以获得键值的Applet</title>
<!-- #EndEditable -->
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<STYLE type=text/css>
A:link {
	COLOR: #000000; FONT-FAMILY:verdana,宋体,新宋体; TEXT-DECORATION: none
}
A:visited {
	COLOR: #333399; FONT-FAMILY:verdana,宋体,新宋体; TEXT-DECORATION: none
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	COLOR: #ff0000; FONT-FAMILY:verdana,宋体,新宋体; TEXT-DECORATION: none
}
A:hover {
	COLOR: black; TEXT-DECORATION: underline
}
BODY {
	 COLOR: #000000; FONT-SIZE:9pt; LETTER-SPACING: normal; LINE-HEIGHT: 150%; WORD-SPACING: 2em
}
TH {
	FONT-SIZE: 9pt
}
TD {
	FONT-SIZE: 9pt
}
TD.page {
	COLOR: #000000; FONT-SIZE:9pt; LETTER-SPACING: normal; LINE-HEIGHT: 150%; WORD-SPACING: 2em
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TD.title {
	COLOR: #000000; FONT-FAMILY:verdana,宋体,新宋体
}
TD.detail {
	COLOR: #9966ff; FONT-FAMILY:verdana,宋体,新宋体
}
</STYLE>

</head>

<body bgcolor="#FFFFFF" text="#000000" >
<div align="center"></div>
<table width="700" border="0" align="center">
  <tr> 
    <table width="700" border="1" cellpadding="1" cellspacing="0" bordercolorlight="#9898ba" bordercolordark="#000000">
        
      </table>
      <table width="700" border="0">
        <tr> 
          <td> 
            <div align="center">
              <h3><b><!-- #BeginEditable "5" -->
              </h3>
              <h3><font >可以获得键值的</font><font face="Verdana, Arial, Helvetica, sans-serif" >Applet</font></h3>
              <!-- #EndEditable --></b>
            </div>
          </td>
        </tr>
        <tr> 
          <td><!-- #BeginEditable "6" --><br>
            //jdk1.3<br>
            //&lt;applet code=keyvalue width=100 height=50&gt;&lt;/applet&gt;<br> 
            //通常applet程序是添加在HTML页里的,而在JAVA源程序中添加以上一行以后,就可<br> 
            //以在命令行输入appletviewer keyvalue.java来查看结果了.<br> 
            import java.awt.*;<br> 
            import java.awt.event.*;<br> 
            import java.applet.*;<br> 
            public class main extends Applet implements KeyListener { //定义接口类型为KeyListener<br> 
            TextField txt=new TextField(10);<br> 
            Label lab=new Label(&quot;键盘对应ASCII码&quot;); //Enter对应值为10<br> 
            //Button btn=new Button(&quot;excu&quot;);<br> 
            public void init() { //初始化<br> 
            add(txt);<br> 
            add(lab);<br> 
            //add(btn);<br> 
            txt.addKeyListener(this); //添加监听事件<br> 
            }<br> 
            public void keyPressed(KeyEvent e) { //定义当键盘按下的方法<br> 
            char ch=e.getKeyChar();<br> 
            int i=(int)ch;<br> 
            String s=Integer.toString(i);<br> 
            lab.setText(s);<br> 
            txt.setText(&quot;&quot;);<br> 
            txt.requestFocus();<br> 
            }<br> 
            public void keyTyped(KeyEvent e) { //定义KEYTYPED方法 <br> 
            /*char ch=e.getKeyChar(); <br> 
            int i=(int)ch;<br> 
            if (i==10) {<br> 
            lab.setText(txt.getText());<br> 
            txt.setText(&quot;&quot;);<br> 
            txt.requestFocus();<br> 
            }*/<br> 
            }<br> 
            public void keyReleased(KeyEvent e) {} //定义键盘释放时的方法<br> 
            } 
            <p><br> 
            </p> 
            <!-- #EndEditable --></td> 
        </tr> 
      </table> 
  </tr> 
</table> 
<div align="center">  
   
  <br> 
</div> 
</body> 
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