Question

Java中复选框CheckBox的使用

Answer 1

import java.awt. *; import java.awt.event. *;import java.applet. *;public class CheckBoxDemo extends Applet implements ItenListener {String msg=" ";CheckBox WinXP,winNT,solaris,mac;public void init(){WinXP=new CheckBox("WindowsXP",null,true);winNT=new Checkbox("Window NT/2000");solaris=new Checkbox("Solaris");mac=new CheckBox("MacOS");add(WinXP);add(WinNT);add(solaris);add(mac);WinXP.addItemListener(this);winNT.addItenListener(this);solaris.addItenListener(this);mac.addItenListener(this);}public v oid itemStateChanged(ItemEvent ie){repaint();}public void paint(Graphics g)msg="当前系统是:";g.drawString(msg,6,80);msg="Windows XP:"+WinXP.getState();g.drawString(msg,6,100);msg="Windows NT/2000:"+WinNT.getState();
g.drawString(msg,6,120);msg="Solaris :"+WinXP.getState();g.drawString(msg,6,140);msg="MacOS :"+mac.getState();g.drawString(msg,6,160); }}

Answer 2

<input type="checkbox" name="cbx" value="v1"><input type="checkbox" name="cbx" value="v2">当提交后用request。getParaments（“cbx”）；就能取到数组。