JavaScript 压缩加密解密

最新推荐文章于 2022-12-21 17:17:54 发布

iteye_5904

最新推荐文章于 2022-12-21 17:17:54 发布

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分类专栏： Javascript /Jquery / Bootstrap / Web 文章标签： JavaScript C C++ C# CSS ViewUI

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代码：

<!DOCTYPE HTML PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml"><head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<link href="toolsite.css"  rel="stylesheet" type="text/css">
<title></title>
</head>
<body>
  <!--warp-->
  <div class="wrap">

  <!--main-->
  <div class="main">

<script src="base.js" type="text/javascript"></script>
<script type="text/javascript">
      function pack_js(base64) {
        var input = document.getElementById('content').value;
        var packer = new Packer;
        if (base64) {
          var output = packer.pack(input, 1, 0);
        } else {
          var output = packer.pack(input, 0, 0);
        }
        document.getElementById('content').value = output;
      }
</script>
<form name="aspnetForm" method="post" action="JsFormat.aspx" id="aspnetForm">
<div style="color: rgb(0, 106, 173); font-size: 16px; font-weight: bold;" align="center">JavaScript/HTML格式化</div>
<textarea id="content" name="content" style="width: 850px; border: 1px solid rgb(197, 226, 242); height: 300px; overflow: visible;" cols="20" rows="20">
            function htmlspecialchars(string, quote_style,
charset, double_encode) {
	// Convert special characters to HTML entities
	//
	// version: 1004.2314
	// discuss at: http://phpjs.org/functions/htmlspecialchars    // +
original by: Mirek Slugen
	// +   improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
	// +   bugfixed by: Nathan
	// +   bugfixed by: Arno
	// +    revised by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
    // +    bugfixed by: Brett Zamir (http://brett-zamir.me)
	// +      input by: Ratheous
	// +      input by: Mailfaker (http://www.weedem.fr/)
	// +      reimplemented by: Brett Zamir (http://brett-zamir.me)
	// +      input by: felix    // +    bugfixed by: Brett Zamir
(http://brett-zamir.me)
	// %        note 1: charset argument not supported
	// *     example 1: htmlspecialchars("&lt;a
href='test'&gt;Test&lt;/a&gt;", 'ENT_QUOTES');
	// *     returns 1: '&amp;lt;a
href=&amp;#039;test&amp;#039;&amp;gt;Test&amp;lt;/a&amp;gt;'
	// *     example 2: htmlspecialchars("ab\"c'd", ['ENT_NOQUOTES',
'ENT_QUOTES']);    // *     returns 2: 'ab"c&amp;#039;d'
	// *     example 3: htmlspecialchars("my "&amp;entity;" is still here",
 null, null, false);
	// *     returns 3: 'my &amp;quot;&amp;entity;&amp;quot; is still here'
	var optTemp = 0,
	i = 0,
	noquotes = false;
	if (typeof quote_style === 'undefined' || quote_style === null) {
		quote_style = 2;
	}
	string = string.toString();
	if (double_encode !== false) { // Put this first to avoid
double-encoding
		string = string.replace(/&amp;/g, '&amp;amp;');
	}
	string = string.replace(/&lt;/g, '&amp;lt;').replace(/&gt;/g,
'&amp;gt;');

	var OPTS = {
		'ENT_NOQUOTES': 0,
		'ENT_HTML_QUOTE_SINGLE': 1,
		'ENT_HTML_QUOTE_DOUBLE': 2,
		'ENT_COMPAT': 2,
		'ENT_QUOTES': 3,
		'ENT_IGNORE': 4
	};
	if (quote_style === 0) {
		noquotes = true;
	}
	if (typeof quote_style !== 'number') { // Allow for a single string or
an array of string flags        quote_style = [].concat(quote_style);
		for (i = 0; i &lt; quote_style.length; i++) {
			// Resolve string input to bitwise e.g. 'PATHINFO_EXTENSION' becomes 4
			if (OPTS[quote_style[i]] === 0) {
				noquotes = true;
			} else if (OPTS[quote_style[i]]) {
				optTemp = optTemp | OPTS[quote_style[i]];
			}
		}
		quote_style = optTemp;
	}
	if (quote_style &amp; OPTS.ENT_HTML_QUOTE_SINGLE) {
		string = string.replace(/'/g, '&amp;#039;');
	}
	if (!noquotes) {
		string = string.replace(/"/g, '&amp;quot;');
	}

	return string;
}

</textarea>

<select name="tabsize" id="tabsize">
  <option selected="selected" value="1">
    制表符缩进
  </option>
  <option value="2">
    2个空格缩进
  </option>
  <option value="4">
    4个空格缩进
  </option>
  <option value="8">
    8个空格缩进
  </option>
</select>

<input class="but" value="格式化" οnclick="return do_js_beautify()" id="beautify" type="button">
<input class="but" value="普通压缩" οnclick="pack_js(0)" type="button">
<input class="but" value="加密压缩" οnclick="pack_js(1)" type="button">
</form>
  </div>
  </div>
</body>
</html>

另一种：

<script> 
a=62; 
function encode() { 
 var code = document.getElementById('code').value; 
 code = code.replace(/[\r\n]+/g, ''); 
 code = code.replace(/'/g, "\\'"); 
 var tmp = code.match(/\b(\w+)\b/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; 
 code = code.replace(/^eval/, ''); 
 document.getElementById('code').value = eval(code); 
} 
</script> 


<textarea id=code cols=80 rows=20> 

</textarea>
 
<input type=button οnclick=encode() value=编码> 
<input type=button οnclick=run() value=执行> 
<input type=button οnclick=decode() value=解码>