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index.html
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>读心天平</title>
<style type="text/css">
<!--
.style1 {color: #006699}
.style2 {color: #FFFFFF}
-->
</style>
</head>
<script type="text/javascript" language="javascript" src="ajax.js"></script>
<script type="text/javascript" language="javascript" src="balance.js"></script>
<script type="text/javascript" language="javascript">
function createElement(tag,type,name,value){
var e=document.createElement(tag);
e.setAttribute("type",type);
e.setAttribute("name",name);
e.setAttribute("value",value);
return e;
}
function createEle(tag){
var e=document.createElement(tag);
return e;
}
function show(id){
var e=document.getElementById(id);
e.style.display="block";
}
function hide(id){
var e=document.getElementById(id);
e.style.display="none";
}
function clear(id){
var e=document.getElementById(id);
while(e.hasChildNodes())
e.removeChild(e.childNodes[0]);
}
function createLog(left,right,stat,r){
var e=createEle("td");
e.appendChild(document.createTextNode("第"+r+"次："+stat));
var t=createEle("p");
t.style.color="#006699";
t.appendChild(document.createTextNode("天平左侧:"));
e.appendChild(t);
t=createEle("small");
t.appendChild(document.createTextNode(left));
e.appendChild(t);
// e.appendChild(createEle("br"));
t=createEle("p");
t.style.color="#006699";
t.appendChild(document.createTextNode("天平右侧:"));
e.appendChild(t);
t=createEle("small");
t.appendChild(document.createTextNode(right));
e.appendChild(t);
t=createEle("tr");
t.appendChild(e);
e=createEle("tbody");
e.appendChild(t);
t=createEle("table");
t.setAttribute("border","0");
t.setAttribute("bgcolor","#C3D9FF");
t.setAttribute("width","800");
t.appendChild(e);
e=document.getElementById("tianpinlog");
if(e.hasChildNodes()){
e.insertBefore(t,e.childNodes[0]);
e.insertBefore(createEle("br"),e.childNodes[0]);
}else {
e.appendChild(createEle("br"));
e.appendChild(t);
}
}
function toggleStep(evt) {
evt = (evt) ? evt : event;
var target = (evt.target) ? evt.target : evt.srcElement;
var block;
if (target.name == "button1"){
hide("step1");
show("step2");
}
else if (target.name == "button2"){
hide("step2");
show("step3");
}
else if (target.name == "button3"){
hide("step3");
show("tianpin");
}else if(target.name=="playagain"){
hide("showanswer");
clear("tianpinlog");
show("step2");
}
}
function setCount(){
var e=document.getElementById("txtCount").value;
var reg = /^[-]?\d*\.?\d*$/;
e = e.toString( );
if(!e.match(reg)){
alert("你所输入的内容不是一个整数");
return;
}
var f=new Number(e);
if(f<3 || f> Number.MAX_VALUE ){
alert("你所输入的应该是一个大于3的数字");
return;
}
setBallsCount(f);
var txt="现在将球编号为：1,2,.."+f+"。请在心中选择其中一个球作为那颗质量不一样的球，并记住它的编号，以及他比其他的球重还是轻。"
replaceInnerHTML("step3_count",txt);
hide("step2");
show("step3");
}
var round=0;
function onDecide(evt){
evt = (evt) ? evt : event;
var target = (evt.target) ? evt.target : evt.srcElement;
if(target.id=="tianpinleft"){
round++;
createLog(getBallsAt(1),getBallsAt(2),"左重右轻",round);
tianpinStatus=1;
judge();
}else if(target.id=="tianpinright"){
round++;
createLog(getBallsAt(1),getBallsAt(2),"右重左轻",round);
tianpinStatus=2;
judge();
}else if(target.id=="tianpinpinhen"){
round++;
createLog(getBallsAt(1),getBallsAt(2),"平衡",round);
tianpinStatus=0;
judge();
}
else
round=0;
var r=decide();
var e;
if(-1==r){
replaceInnerHTML("theanswer","无解");
hide("tianpin");
hide("message");
show("showanswer");
}else if(1==r){
replaceInnerHTML("theanswer",getAnswer());
hide("tianpin");
hide("message");
show("showanswer");
}else{
replaceInnerHTML("onleft",getBallsAt(1))
replaceInnerHTML("onright",getBallsAt(2));
hide("step3");
show("tianpin");
}
}
function replaceInner(node,text){
if(node.hasChildNodes()){
node.removeChild(node.childNodes[0]);
}
var textnode = document.createTextNode(text);
node.appendChild(textnode);
}
function replaceInnerHTML(id,text){
var node = document.getElementById(id);
replaceInner(node,text);
}
function tellFrieds(){
var e=document.getElementById("message");
if (e.style.display=="none"){
var s="读心天平。\n"+document.location.toString();
e.style.display="block";
e.value=s;
e.focus();
e.select();
}
hide("copied");
if(window.clipboardData.setData("Text",e.value)){
show("copied");
}
}
</script>
<body>
<noscript>
<p>
<div align="center" style="color:red">本页面必须使用javascript才可以正确显示，但你目前的浏览器设置禁用或阻止了使用javascript</div>
</p>
</noscript>
<div align="center" style="width:800px;margin:0 auto;">
<h1>读心天平</h1>
<div align="left">
<div id="step1" style="display:block ">
<p>在一堆大小相同的球之中，有一只球与其他的球重量不同，现有一只没有砝码的天平，现在由玩家来设定这些球，机器人将用天平判断出哪一只球是那只不一样的球。</p>
<div align="right">
<input type="button" name="button1" value="我明白了,开始玩吧" onClick="toggleStep(event)">
</div>
</div>
<div id="step2" style="display:none"><p align="left">请玩家来设定总球数(建议不要超过1500个球):
<input id="txtCount" name="textfield" type="text" size="5">
<input type="button" name="button2" value="OK" style="width:80" onClick="setCount()"></p></div>
<div id="step3" style="display:none">
<div id="step3_count"></div>
<input type="button" name="button3" value="I am ready" onClick="onDecide(event)">
</div>
<div id="tianpin" style="display:none">
<p class="style1">天平左侧：
</p>
<small><div id="onleft">a</div></small>
<br>
<span class="style1">天平右侧：</span>
<small><div id="onright">a</div></small>
<br> <div align="center">
<input id="tianpinleft" type="button" name="Submit5" value="左重右轻" onClick="onDecide(event)">
<input id="tianpinpinhen" type="button" name="Submit6" value="平衡" style="width:80" onClick="onDecide(event)">
<input id="tianpinright" type="button" name="Submit7" value="右重左轻" onClick="onDecide(event)">
</div>
</div>
<div id="showanswer" style="display:none "><div id="theanswer" style="color:#006699 ">a</div><br>
<p align="center">
<input name="playagain" type="button" value="再整一局玩玩" onClick="toggleStep(event)"/>
<input type="button" value="告诉朋友" onClick="tellFrieds()"></input>
<br>
</p>
<div align="center">
<table id="copied" style="display:none " border="0">
<td bgcolor="#3399FF"><span class="style2">下面的文字已复制到剪切板</span></td>
</table>
<br>
<textarea cols="50" rows="6" id="message" style="display:none"></textarea>
</div>
</div>
<div id="tianpinlog" align="center">
</div>
</div>
<br><br><br>
<div align="center">
<p><a href="http://github.com/guileen">桂林@github</a></p>
<p><a href="mailto:guileen@gmail.com">guileen@gmail.com</a></p>
<p>© 2007 All rights reserved.</p>
</div>
</div>
</body>
</html>