代码如下： <SCRIPT LANGUAGE="JavaScript"> <!-- Begin function playGame(choice) { with (document.game) { comp = Math.round((Math.random() * 2) + 1); var choicename; if (comp == 1) choicename = "石头"; if (comp == 2) choicename = "布"; if (comp == 3) choicename = "剪刀"; msg.value = '对手出的是' + choicename + '; '; switch(choice) { // calculates score case 1 : // rock if (comp == 1) { draw.value++; msg.value += '打了个平手.'; break; } if (comp == 2) { loss.value++; msg.value += '你输了……'; break; } if (comp == 3) { win.value++; msg.value += '你赢了祝贺你'; break; } case 2 : // paper if (comp == 1) { win.value++; msg.value += '你赢了祝贺你'; break; } if (comp == 2) { draw.value++; msg.value += '打了个平手.'; break; } if (comp == 3) { loss.value++; msg.value += '你输了：（'; break; } case 3 : // scissors if (comp == 1) { loss.value++; msg.value += '你输了……'; break; } if (comp == 2) { win.value++; msg.value += '你赢了祝贺你'; break; } if (comp == 3) { draw.value++; msg.value += '打了个平手.'; break; } case 4 : // scissors if (comp == 1) { loss.value++; msg.value += '你输了……'; break; } if (comp == 2) { win.value++; msg.value += '你赢了祝贺你'; break; } if (comp == 3) { draw.value++; msg.value += '打了个平手.'; break; } case 5 : // paper if (comp == 1) { win.value++; msg.value += '你赢了祝贺你'; break; } if (comp == 2) { draw.value++; msg.value += '打了个平手.'; break; } if (comp == 3) { loss.value++; msg.value += '你输了……'; break; } } msg.value += '----再来吧!'; } } // End --> </script> <body> <form name=game> <table border=1 cellpadding=5> <tr> <td align=center>你选择:</td> <td align=center><a href="javascript:void(0);" onClick="playGame(1);"><img src="images/rock.gif" border=0 ></a></td> <td align=center><a href="javascript:void(0);" onClick="playGame(2);"><img src="images/paper.gif" border=0></a></td> <td align=center><a href="javascript:void(0);" onClick="playGame(3);"><img src="images/scissors.gif" border=0></a></td> </tr> <tr> <td colspan=4 align=center><input type=text name=msg size=45></td> </tr> <tr> <td colspan=4 align=center> <input type=text name=win readonly value="0" size="2"> <font size="2">赢 <input type=text name=loss readonly value="0" size="2"> 输 </font> <input type=text name=draw readonly value="0" size="2"> <font size="2">平</font> </td> </tr> </table> </form>
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