<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=GB2312" />
<title>简单算24</title>
<style>
body {background-color:buttonface;}
#txt_result{
background-color: #0FF;
border:black solid 1px;
color:white;
font-weight:bold;
height:20px;
}
</style>
<script type="text/javascript">
var v1,v2,v3,v4,v5,txt_result;
function $(str){return (document.getElementById(str));}
function call(val1,val2,val3,val4){
alert("fuck1");
theArray0=new Array(val1,val2,val3,val4);
theArray1=new Array('1234','1243','1324','1342','1423','1432','2134','2143','2314','2341','2413','2431','3124','3142','3214',
'3241','3412','3421','4123','4132','4213','4231','4312','4321');
theArray2=new Array('+','-','*','/');
a1=parseInt(v5.value);
for(var ii=0;ii<24;ii++){
theArray3=theArray1[ii].split(' ');
for(var mm=0;mm<4;mm++){
theArray3[mm]=parseInt(theArray3[mm]);
}
for(var jj=0;jj<5;jj++){
for(var kk=0;kk<4;kk++){
for(var ll=0;ll<4;ll++){
ss1=theArray0[theArray3[0]-1]+theArray2[jj]+theArray0[theArray3[1]-1]+theArray2[kk]+theArray0[theArray3[2]-1]+theArray2[ll]+
theArray0[theArray3[3]-1];
if(eval(ss1)==a1){return (ss1);}
ss1='('+theArray0[theArray3[0]-1]+theArray2[jj]+theArray0[theArray3[1]-1]+')'+theArray2[kk]+theArray0[theArray3[2]-1]+
theArray2[ll]+theArray0[theArray3[3]-1];
if(eval(ss1)==a1){return (ss1);}
ss1=theArray0[theArray3[0]-1]+theArray2[jj]+'('+theArray0[theArray3[1]-1]+theArray2[kk]+theArray0[theArray3[2]-1]+')'+theArray2
[ll]+theArray0[theArray3[3]-1];
if(eval(ss1)==a1){return (ss1);}
ss1=theArray0[theArray3[0]-1]+theArray2[jj]+theArray0[theArray3[1]-1]+theArray2[kk]+'('+theArray0[theArray3[2]-1]+theArray2[ll]
+theArray0[theArray3[3]-1]+')';
if(eval(ss1)==a1){return (ss1);}
ss1='('+theArray0[theArray3[0]-1]+theArray2[jj]+theArray0[theArray3[1]-1]+theArray2[kk]+theArray0[theArray3[2]-1]+')'+theArray2
[ll]+theArray0[theArray3[3]-1];
if(eval(ss1)==a1){return (ss1);}
ss1=theArray0[theArray3[0]-1]+theArray2[jj]+'('+theArray0[theArray3[1]-1]+theArray2[kk]+theArray0[theArray3[2]-1]+theArray2[ll]
+theArray0[theArray3[3]-1]+')';
if(eval(ss1)==a1){return (ss1);}
ss1=theArray0[theArray3[0]-1]+theArray2[jj]+theArray0[theArray3[1]-1]+theArray2[kk]+'('+theArray0[theArray3[2]-1]+theArray2[ll]
+theArray0[theArray3[3]-1]+')';
if(eval(ss1)==a1){return (ss1);}
}
}
}
}
return (false);
}
/*main调用失败，代码有错*/
function main(){
alert("fuck2");
var s1;
s1=call(v1.value,v2.value,v3.value,v4.value);/*未成功调用*/
if(s1){
txt_result.innerText+='\n'+s1+'=='+v5.value;
}else{
txt_result.innerText+='\n'+v1.value+','+v2.value+','+v3.value+','+v4.value+' 无结果!';
}
init();
return (false);
}
function check1(obj1){
if(isNaN(obj1.value)){
alert('请输入一个数值！');
obj1.focus();
obj1.select();
event.returnValue=false;
event.cancelBubble=true;
return (false);
}
}
function clear_input(){
txt_result.innerText="";
v1.focus();
return(true);
}
function init(){
alert("fuck3");
v1=$("v1");
v2=$("v2");
v3=$("v3");
v4=$("n4");
v5=$("v5");
txt_result=$("txt_result");
v1.select();
}
</script>
</head>
<body style="overflow:auto;" onload="init();">
<form onsubmit="return (main());">
<b>请输入要计算的四个数</b><br />
<input id="v1" onchange="check1(this);" />
<input id="v2" onchange="check1(this);" /><br />
<input id="v3" onchange="check1(this);" />
<input id="v4" onchange="check1(this);" /><br />
<b>请输入要计算的结果: </b><br>
<input id="v5" onchange="check1(this);" value="24" /><br />
<input type="submit" value="计算" />
<input type="reset" onclick="clear_input();" value="清除结果" />
</form>
<b>结果是： </b><br />
<div id="txt_result"></div>
</body>
</html>
