<p>JS eval(function(p,a,c,k,e,r){e=function(c)加、解密Js代码<br />
<script> <br />
a=62; <br />
function encode() { <br />
var code = document.getElementById('code').value; <br />
code = code.replace(/[ ]+/g, ''); <br />
code = code.replace(/'/g, "'"); <br />
var tmp = code.match(/ (w+) /g); <br />
tmp.sort(); <br />
var dict = []; <br />
var i, t = ''; <br />
for(var i=0; i<tmp.length; i++) { <br />
if(tmp[i] != t) dict.push(t = tmp[i]); <br />
} <br />
var len = dict.length; <br />
var ch; <br />
for(i=0; i<len; i++) { <br />
ch = num(i); <br />
code = code.replace(new RegExp('b'+dict[i]+'b','g'), ch); <br />
if(ch == dict[i]) dict[i] = ''; <br />
} <br />
document.getElementById('code').value = "eval(function(p,a,c,k,e,d){e=function(c){return(c<a?'':e(parseInt(c/a)))+((c=c%a)>35?String.fromCharCode(c+29):c.toString(36))};if(!''.replace(/^/,String)){while(c--)d[e(c)]=k[c]||e(c);k=[function(e){return d[e]}];e=function(){return'\w+'};c=1};while(c--)if(k[c])p=p.replace(new RegExp('\b'+e(c)+'\b','g'),k[c]);return p}(" <br />
+ "'"+code+"',"+a+","+len+",'"+ dict.join('|')+"'.split('|'),0,{}))"; <br />
} <br />
<br />
function num(c) { <br />
return(c<a?'':num(parseInt(c/a)))+((c=c%a)>35?String.fromCharCode(c+29):c.toString(36)); <br />
} <br />
<br />
function run() { <br />
eval(document.getElementById('code').value); <br />
} <br />
<br />
function decode() { <br />
var code = document.getElementById('code').value; <br />
code2 = code.replace(/^eval/, ''); <br />
//alert(code); <br />
document.getElementById('code').value = eval(code2); <br />
} <br />
</script><br />
<br />
<textarea cols="80" id="code" rows="20"> <br />
</textarea><br />
<br />
<br />
<input onclick="encode()" type="button" value="编码" /><br />
<input onclick="run()" type="button" value="执行" /><br />
<input onclick="decode()" type="button" value="解码" /><br />
<script> a=62; function encode() { var code = document.getElementById('code').value; code = code.replace(/[ ]+/g, ''); code = code.replace(/'/g, "'"); var tmp = code.match(/ (w+) /g); tmp.sort(); var dict = []; var i, t = ''; for(var i=0; i<tmp.length; i++) { if(tmp[i] != t) dict.push(t = tmp[i]); } var len = dict.length; var ch; for(i=0; i<len; i++) { ch = num(i); code = code.replace(new RegExp('b'+dict[i]+'b','g'), ch); if(ch == dict[i]) dict[i] = ''; } document.getElementById('code').value = "eval(function(p,a,c,k,e,d){e=function(c){return(c<a?'':e(parseInt(c/a)))+((c=c%a)>35?String.fromCharCode(c+29):c.toString(36))};if(!''.replace(/^/,String)){while(c--)d[e(c)]=k[c]||e(c);k=[function(e){return d[e]}];e=function(){return'\w+'};c=1};while(c--)if(k[c])p=p.replace(new RegExp('\b'+e(c)+'\b','g'),k[c]);return p}(" + "'"+code+"',"+a+","+len+",'"+ dict.join('|')+"'.split('|'),0,{}))"; }function num(c) { return(c<a?'':num(parseInt(c/a)))+((c=c%a)>35?String.fromCharCode(c+29):c.toString(36)); }function run() { eval(document.getElementById('code').value); }function decode() { var code = document.getElementById('code').value; code2 = code.replace(/^eval/, ''); //alert(code); document.getElementById('code').value = eval(code2); } </script><textarea cols="80" id="code" rows="20"></textarea> <input onclick="encode()" type="button" value="编码" /> <input onclick="run()" type="button" value="执行" /> <input onclick="decode()" type="button" value="解码" /><br />
各位朋友，在网上下载源代码时，很可能发现代码里的JS脚本看不懂，这是由于JS加密造成的，我对这种事情很不理解，既然是开源，JS还加密，算什么开源。如果你发现JS是以eval(function(p,a,c,k,e,r){e=function(c)开头的，看到这个页面你就可以解决他。<br />
步骤：1.新建html页面，把以上代码考进去，运行。<br />
2.把加密的代码粘进文本域，点击解密，OK!</p>