宝马娱乐在线112222 > 网络应用 > Javascript在线代码压缩与格式化

原标题:Javascript在线代码压缩与格式化

浏览次数:168 时间:2019-11-20

我们会看到很多网站下载来来的js都是一堆乱码一样的,其实这些都压缩了,下面我来介绍一款Javascript在线代码压缩与格式化代码,大家可下载后进行js压缩与格式化了。

1、

 代码如下

复制代码 代码如下:

复制代码

<!--
  - From: <a href="http://www.iecn.net/bbs/view/105499.html" target="_blank">http://www.iecn.net/bbs/view/105499.html&lt;/a&gt;
  - IECN.NET 2006-09-22
  -->

<HTML><HEAD><TITLE>Format</TITLE>
<META content="MSHTML 6.00.2800.1528" name=GENERATOR>
<META content="" name=Author>
<META content="" name=Keywords>
<META content="" name=Description></HEAD>
<BODY>
<SCRIPT language=JavaScript>
<!--
/**//**//**//**
**    ========================================
**    类名:CLASS_FORMATER
**    功能:JS格式化 
**    示例: 

<script language="javascript" 

   

 
            var xx        = new CLASS_FORMATER(code);          

            document.getElementById("display").innerHTML = xx.format();
**    ======================================== 
**/

function CLASS_FORMAT(code){
    //哈希表类
    function Hashtable(){
        this._hash        = new Object();
        this.add        = function(key,value){
                            if(typeof(key)!="undefined"){
                                if(this.contains(key)==false){
                                    this._hash[key]=typeof(value)=="undefined"?null:value;
                                    return true;
                                } else {
                                    return false;
                                }
                            } else {
                                return false;
                            }
                        }
        this.remove        = function(key){delete this._hash[key];}
        this.count        = function(){var i=0;for(var k in this._hash){i++;} return i;}
        this.items        = function(key){return this._hash[key];}
        this.contains    = function(key){return typeof(this._hash[key])!="undefined";}
        this.clear        = function(){for(var k in this._hash){delete this._hash[k];}}

    }

    this._caseSensitive = true;

    //字符串转换为哈希表
    this.str2hashtable = function(key,cs){
       
        var _key    = key.split(/,/g);
        var _hash    = new Hashtable();
        var _cs        = true;

   
        if(typeof(cs)=="undefined"||cs==null){
            _cs = this._caseSensitive;
        } else {
            _cs = cs;
        }

        for(var i in _key){
            if(_cs){
                _hash.add(_key[i]);
            } else {
                _hash.add((_key[i]+"").toLowerCase());
            }

        }
        return _hash;
    }

    //获得需要转换的代码
    this._codetxt        = code;

    if(typeof(syntax)=="undefined"){
        syntax = "";
    }

    this._deleteComment = false;
    //是否大小写敏感
    this._caseSensitive = true;
    //可以后面加块语句的关键字
    this._blockElement  = this.str2hashtable("switch,if,while,try,finally");
    //是函数申明
    this._function      = this.str2hashtable("function");
    //本行括号内分号不做换行
    this._isFor            = "for";

    this._choiceElement = this.str2hashtable("else,catch");

    this._beginBlock    = "{";
    this._endBlock      = "}";
   
    this._singleEyeElement = this.str2hashtable("var,new,return,else,delete,in,case");
    //得到分割字符
    this._wordDelimiters= "  ,.?!;:/<>(){}[]"'rnt=+-|*%@#$^&";
    //引用字符
    this._quotation     = this.str2hashtable("",'");
    //行注释字符
    this._lineComment   = "//";
    //转义字符
    this._escape        = "";
    //多行引用开始
    this._commentOn        = "/*";
    //多行引用结束
    this._commentOff    = "*/";
    //行结束词
    this._rowEnd        = ";";

    this._in            = "in";

    this.isCompress        = false;
    this.style            = 0;

    this._tabNum        = 0;

    this.format = function() {
        var codeArr        = new Array();
        var word_index    = 0;
        var htmlTxt        = new Array();

        if(this.isCompress){
            this._deleteComment = true;
        }

        //得到分割字符数组(分词)
        for (var i = 0; i < this._codetxt.length; i++) {      
            if (this._wordDelimiters.indexOf(this._codetxt.charAt(i)) == -1) {        //找不到关键字
                if (codeArr[word_index] == null || typeof(codeArr[word_index]) == 'undefined') {
                    codeArr[word_index] = "";
                }
                codeArr[word_index] += this._codetxt.charAt(i);
            } else {
                if (typeof(codeArr[word_index]) != 'undefined' && codeArr[word_index].length > 0)
                    word_index++;
                codeArr[word_index++] = this._codetxt.charAt(i);               
            }
        }

        var quote_opened                = false;    //引用标记
        var slash_star_comment_opened   = false;    //多行注释标记
        var slash_slash_comment_opened  = false;    //单行注释标记
        var line_num                    = 1;        //行号
        var quote_char                  = "";       //引用标记类型

        var function_opened             = false;

        var bracket_open                = false;
        var for_open                    = false;

        //按分割字,分块显示
        for (var i=0; i <=word_index; i++){           
            //处理空行(由于转义带来)
            if(typeof(codeArr[i])=="undefined"||codeArr[i].length==0){
                continue;
            } else if(codeArr[i]==" "||codeArr[i]=="t"){
                if(slash_slash_comment_opened||slash_star_comment_opened){
                    if(!this._deleteComment){
                        htmlTxt[htmlTxt.length] = codeArr[i];
                    }
                }
                if(quote_opened){
                        htmlTxt[htmlTxt.length] = codeArr[i];                   
                }
            } else if(codeArr[i]=="n"){
            //处理换行
            } else if (codeArr[i] == "r"){                                                                   
                slash_slash_comment_opened = false;   
                quote_opened    = false;
                line_num++;
                if(!this.isCompress){
                    htmlTxt[htmlTxt.length] = "rn"+ this.getIdent();   
                }
            //处理function里的参数标记
            } else if (!slash_slash_comment_opened&&!slash_star_comment_opened && !quote_opened &&this.isFunction(codeArr[i])){
                htmlTxt[htmlTxt.length] = codeArr[i]  + " ";
                function_opened = true;
            } else if (!slash_slash_comment_opened&&!slash_star_comment_opened && !quote_opened &&codeArr[i]==this._isFor){
                htmlTxt[htmlTxt.length] = codeArr[i];
                for_open = true;
            } else if (!slash_slash_comment_opened&&!slash_star_comment_opened && !quote_opened &&codeArr[i]=="("){
                bracket_open    = true;
                htmlTxt[htmlTxt.length] = codeArr[i];
            } else if (!slash_slash_comment_opened&&!slash_star_comment_opened && !quote_opened &&codeArr[i]==")"){
                bracket_open    = false;
                htmlTxt[htmlTxt.length] = codeArr[i];
            } else if (!slash_slash_comment_opened&&!slash_star_comment_opened && 宝马娱乐在线112222,!quote_opened &&codeArr[i]==this._rowEnd){
                if(!this.isCompress){
                    if(!for_open){
                        if(i<word_index&&(codeArr[i+1]!="r"&&codeArr[i+1]!="n")){                           
                            htmlTxt[htmlTxt.length] = codeArr[i] + "n" + this.getIdent();
                        }else{
                            htmlTxt[htmlTxt.length] = codeArr[i] + this.getIdent();
                        }
                    }else{
                        htmlTxt[htmlTxt.length] = codeArr[i];                   
                    }
                }else{
                    htmlTxt[htmlTxt.length] = codeArr[i];
                }
            } else if(!slash_slash_comment_opened&&!slash_star_comment_opened && !quote_opened &&codeArr[i]==this._beginBlock){
                for_open    = false;
                if(!this.isCompress){
                    switch(this.style){
                        case 0:
                            this._tabNum++;
                            htmlTxt[htmlTxt.length] = codeArr[i] + "n" + this.getIdent();
                            break;
                        case 1:
                            htmlTxt[htmlTxt.length] = "n" + this.getIdent();
                            this._tabNum++;
                            htmlTxt[htmlTxt.length] = codeArr[i] + "n"+ this.getIdent();
                            break;
                        default:
                            this._tabNum++;
                            htmlTxt[htmlTxt.length] = codeArr[i];
                            break;
                           
                    }
                }else{
                    htmlTxt[htmlTxt.length] = codeArr[i];
                }

            } else if(!slash_slash_comment_opened&&!slash_star_comment_opened && !quote_opened &&codeArr[i]==this._endBlock){
                if(!this.isCompress){
                    this._tabNum--;
                    if(i<word_index&&codeArr[i+1]!=this._rowEnd){
                        htmlTxt[htmlTxt.length] = "n" + this.getIdent() + codeArr[i];
                    }else{
                        htmlTxt[htmlTxt.length] = "n" + this.getIdent() + codeArr[i];
                    }
                }else{
                    if(i<word_index&&codeArr[i+1]!=this._rowEnd){
                        htmlTxt[htmlTxt.length] = codeArr[i] + this._rowEnd;
                    }else{
                        htmlTxt[htmlTxt.length] = codeArr[i];
                    }
                }
            //处理关键字
            } else if (!slash_slash_comment_opened&&!slash_star_comment_opened && !quote_opened && this.isBlockElement(codeArr[i])){    
                htmlTxt[htmlTxt.length] = codeArr[i];
            //处理内置对象(后面加一个空格)
            } else if (!slash_slash_comment_opened&&!slash_star_comment_opened && !quote_opened && this.isSingleEyeElement(codeArr[i])){   
                if(codeArr[i]==this._in){
                    htmlTxt[htmlTxt.length] = " ";
                }
                htmlTxt[htmlTxt.length] = codeArr[i] + " ";
            //处理双引号(引号前不能为转义字符)   
            } else if (!slash_star_comment_opened&&!slash_slash_comment_opened&&this._quotation.contains(codeArr[i])){                                                   
                if (quote_opened){
                    //是相应的引号
                    if(quote_char==codeArr[i]){
                        htmlTxt[htmlTxt.length] = codeArr[i];                   
                        quote_opened    = false;
                        quote_char      = "";
                    } else {
                        htmlTxt[htmlTxt.length] = codeArr[i];           
                    }
                } else {
                    htmlTxt[htmlTxt.length] =  codeArr[i];
                    quote_opened    = true;
                    quote_char        = codeArr[i];
                }                   
            //处理转义字符
            } else if(codeArr[i] == this._escape){   
                htmlTxt[htmlTxt.length] = codeArr[i];
                if(i<word_index-1){
                    if(codeArr[i+1].charCodeAt(0)>=32&&codeArr[i+1].charCodeAt(0)<=127){
                        htmlTxt[htmlTxt.length] = codeArr[i+1].substr(0,1);
                        htmlTxt[htmlTxt.length] = codeArr[i+1].substr(1);
                        i=i+1;
                    }
                }           
            //处理多行注释的开始
            } else if (!slash_slash_comment_opened && !slash_star_comment_opened&&!quote_opened&&this.isStartWith(this._commentOn,codeArr,i)){                                            
                slash_star_comment_opened = true;
                if(!this._deleteComment){
                    htmlTxt[htmlTxt.length] = this._commentOn;
                }
                i = i + this.getSkipLength(this._commentOn);   
            //处理单行注释
            } else if (!slash_slash_comment_opened && !slash_star_comment_opened&&!quote_opened&&this.isStartWith(this._lineComment,codeArr,i)){                                               
                slash_slash_comment_opened = true;
                if(!this._deleteComment){
                    htmlTxt[htmlTxt.length] =  this._lineComment;
                }
                i = i + this.getSkipLength(this._lineComment);   
            //处理忽略词
            } else if (!slash_slash_comment_opened && !slash_star_comment_opened&&!quote_opened&&this.isStartWith(this._ignore,codeArr,i)){                                               
                slash_slash_comment_opened = true;
                htmlTxt[htmlTxt.length] = this._ignore;
                i = i + this.getSkipLength(this._ignore);                   
            //处理多行注释结束   
            } else if (!quote_opened&&!slash_slash_comment_opened&&this.isStartWith(this._commentOff,codeArr,i)){                               
                if (slash_star_comment_opened) {
                    slash_star_comment_opened = false;
                    if(!this._deleteComment){
                        htmlTxt[htmlTxt.length] =  this._commentOff;
                    }
                    i = i + this.getSkipLength(this._commentOff);       
                }
            } else {
                //不是在字符串中
                if(!quote_opened){
                    //如果不是在注释重
                    if(!slash_slash_comment_opened && !slash_star_comment_opened){   
                            htmlTxt[htmlTxt.length] = codeArr[i];                       
                    //注释中                           
                    }else{
                        if(!this._deleteComment){
                            htmlTxt[htmlTxt.length] = codeArr[i];
                        }
                    }
                }else{
                            htmlTxt[htmlTxt.length] = codeArr[i];
                }
            }
           
        }

        return htmlTxt.join("");
    }

    this.isStartWith = function(str,code,index){

        if(typeof(str)!="undefined"&&str.length>0){       
            var cc = new Array();           
            for(var i=index;i<index+str.length;i++){
                cc[cc.length] = code[i];
            }
            var c = cc.join("");
            if(this._caseSensitive){
                if(str.length>=code[index].length&&c.indexOf(str)==0){
                    return true;
                }
            }else{
                if(str.length>=code[index].length&&c.toLowerCase().indexOf(str.toLowerCase())==0){
                    return true;
                }
            }
            return false;

        } else {
            return false;
        }
    }

    this.isFunction = function(val){
        return this._function.contains(this._caseSensitive?val:val.toLowerCase());
    }
   
    this.isBlockElement = function(val) {       
        return this._blockElement.contains(this._caseSensitive?val:val.toLowerCase());
    }

    this.isChoiceElement = function(val) {       
        return this._choiceElement.contains(this._caseSensitive?val:val.toLowerCase());
    }

    this.isSingleEyeElement = function(val) {
        return this._singleEyeElement.contains(this._caseSensitive?val:val.toLowerCase());
    }

    this.isNextElement = function(from,word){
        for(var i=from;i<word.length;i++){
            if(word[i]!=" "&&word[i]!="t"&&word[i]!="r"&&word[i]!="n"){               
                return this.isChoiceElement(word[i]);
            }
        }
        return false;
    }

    this.getSkipLength = function(val){   
        var count = 0;
        for(var i=0;i<val.length;i++){
            if(this._wordDelimiters.indexOf(val.charAt(i))>=0){
                count++;
            }
        }
        if(count>0){
            count=count-1;
        }
        return count;
    }

    this.getIdent=function(){
        var n = [];
        for(var i=0;i<this._tabNum;i++){
            n[n.length] = "t";
        }
        return n.join("");
    }
}

function doformat(o){
    var htmltxt = "";

    if (o == null){
        alert("domNode is null!");
        return;
    }

    var _codetxt = "";
   
    if(typeof(o)=="object"){
        switch(o.tagName){
            case "TEXTAREA":
            case "INPUT":
                _codetxt = o.value;
                break;
            case "DIV":
            case "SPAN":
                _codetxt = o.innerText;
                break;
            default:
                _codetxt = o.innerHTML;
                break;
        }
    }else{
        _codetxt = o;
    }

    var _syn = new CLASS_FORMAT(_codetxt);
    htmltxt = _syn.format();
    return  htmltxt;
}

function go()
{
    var code    = document.getElementById("code").value;
    var xx      = new CLASS_FORMAT(code);   
    var a       = new Date();

    if(document.getElementById('cboOperate').selectedIndex==1){
        xx.isCompress=true;
    }else{
        xx.style = parseInt(document.getElementById('cboStyle').value);
    }
    document.getElementById("display").value = xx.format();
    alert("共花:" + (new Date().getTime()-a.getTime()) + "ms");
}
//-->
</SCRIPT>
<TEXTAREA id=code rows=12 cols=100>
/*
这个是一个类
*/

function    xx   (num,str){//说明
var a = num;this.aa = a;
this.bb = function(){alert(str);}
this.cc = function(){for(var i=0;i<10;i++){document.title=i;}}};

xx.prototype.dd= function(){alert("d  d        kd");}

var a = new xx(100,"hello"),b=new xx(0,"ttyp");
if(1>2)  {   alert();
 }
 else {
 alert(" hell ");
 }

a.bb();
b.dd();
alert(a.aa);

</TEXTAREA> <BR>
<select id="cboOperate" onchange="if(this.selectedIndex==1)document.getElementById('cboStyle').disabled=true;else document.getElementById('cboStyle').disabled=false;">
    <option value="0">格式化</option>
    <option value="1">压缩</option>
</select>
<select id="cboStyle">
    <option value="0">经典</option>
    <option value="1">微软</option>
</select>
<INPUT onclick=go() type=button value=go><br>
<textarea id=display rows=12 cols=100>
</textarea>
</BODY></HTML>

http://www.bkjia.com/AJaxjc/448751.htmlwww.bkjia.comtruehttp://www.bkjia.com/AJaxjc/448751.htmlTechArticle我们会看到很多网站下载来来的js都是一堆乱码一样的,其实这些都压缩了,下面我来介绍一款Javascript在线代码压缩与格式化代码,大家可...

type="text/javascript">
//去除所有的注释
String.prototype.DeleteComment = function ()
{
    var str = this.replace(/(['"])(.+?)(['"])/g,function(s,s1,s2,s3){return s1+s2.replace(/[/*]/g,"\$&")+s3});
    str = str.replace(///[^r]+|/*[sS]+?*//g,"");
    str = str.replace(/(['"])(.+?)(['"])/g,function(s,s1,s2,s3){return s1+s2.replace(/\([^\])/g,"$1")+s3});
    return str;
}
//格式代码
String.prototype.FormatCode = function ()
{
    return this.replace(/\$/mg,"").replace(/[^s>;]$/mg,"$&;");
}
//删除字符串前后多余的空格
String.prototype.Trim = function (m)
{
    return this.replace(m ? /^s*|s*$/mg : /^s*|s*$/g, "");
}
//运行代码
function RunCode(obj)
{
    window.open('','_blank').document.write(obj.value);
}

</script>

测试代码:<br/>
<textArea id="Text" rows="25" cols="80">
<script language="JavaScript">
/*
    测试代码
*/
var x=5;
document.write("x = // " + x);
document.write("bh/* " + x);
document.write("x =jjhj */hhhhhh " + x);
document.write("x = // " + x);

alert(22)

alert(22)

var a="/fwe/////wefawef";
alert(/^/*[^/]*$/.test(a));
//注释
</script>

</textArea> <br/><br/>
第1步:<button onclick="Text.value = Text.value.DeleteComment();">删除注释</button> <br/> <br/>
第2步:<button onclick="Text.value=Text.value.FormatCode();">格式代码</button> <br/> <br/>
第3步:<button onclick="Text.value=Text.value.Trim(true);">去除两边空格</button> <br/> <br/>
第4步:<button onclick="RunCode(Text);">运行代码</button> <br/> <br/>

2、

复制代码 代码如下:

<HTML><HEAD><TITLE>Format</TITLE>
<META content="MSHTML 6.00.2800.1528" name=GENERATOR>
<META content="" name=Author>
<META content="" name=Keywords>
<META content="" name=Description></HEAD>
<BODY>
<SCRIPT language=JavaScript>
<!--
/**//**//**//** 
**    ==================================================================================================  
**    类名:CLASS_FORMATER
**    功能:JS格式化  
**    示例:  
   ---------------------------------------------------------------------------------------------------  

           var xx        = new CLASS_FORMATER(code);            

           document.getElementById("display").innerHTML = xx.format(); 

   ---------------------------------------------------------------------------------------------------  
**    作者:ttyp  
**    邮件:<a href="mailto:ttyp@21cn.com">ttyp@21cn.com</a>  
**    日期:2006-5-21  
**    版本:0.1
**    ==================================================================================================  
**/  

function CLASS_FORMAT(code){
   //哈希表类
   function Hashtable(){
       this._hash        = new Object();
       this.add        = function(key,value){
                           if(typeof(key)!="undefined"){
                               if(this.contains(key)==false){
                                   this._hash[key]=typeof(value)=="undefined"?null:value;
                                   return true;
                               } else {
                                   return false;
                               }
                           } else {
                               return false;
                           }
                       }
       this.remove        = function(key){delete this._hash[key];}
       this.count        = function(){var i=0;for(var k in this._hash){i++;} return i;}
       this.items        = function(key){return this._hash[key];}
       this.contains    = function(key){return typeof(this._hash[key])!="undefined";}
       this.clear        = function(){for(var k in this._hash){delete this._hash[k];}}

   }

   this._caseSensitive = true;

   //字符串转换为哈希表
   this.str2hashtable = function(key,cs){

       var _key    = key.split(/,/g);
       var _hash    = new Hashtable(); 
       var _cs        = true;

   
       if(typeof(cs)=="undefined"||cs==null){
           _cs = this._caseSensitive;
       } else {
           _cs = cs;
       }

       for(var i in _key){
           if(_cs){
               _hash.add(_key[i]);
           } else {
               _hash.add((_key[i]+"").toLowerCase());
           }

       }
       return _hash;
   }

   //获得需要转换的代码
   this._codetxt        = code;

   if(typeof(syntax)=="undefined"){
       syntax = "";
   }

   this._deleteComment = false;
   //是否大小写敏感
   this._caseSensitive = true;
   //可以后面加块语句的关键字
   this._blockElement  = this.str2hashtable("switch,if,while,try,finally");
   //是函数申明
   this._function      = this.str2hashtable("function");
   //本行括号内分号不做换行
   this._isFor            = "for";

   this._choiceElement = this.str2hashtable("else,catch");

   this._beginBlock    = "{";
   this._endBlock      = "}";

   this._singleEyeElement = this.str2hashtable("var,new,return,else,delete,in,case");
   //得到分割字符
   this._wordDelimiters= "  ,.?!;:\/<>(){}[]"'rnt=+-|*%@#$^&";
   //引用字符
   this._quotation     = this.str2hashtable("",'");
   //行注释字符
   this._lineComment   = "//";
   //转义字符
   this._escape        = "\";
   //多行引用开始
   this._commentOn        = "/*";
   //多行引用结束
   this._commentOff    = "*/";
   //行结束词
   this._rowEnd        = ";";

   this._in            = "in";

   this.isCompress        = false;
   this.style            = 0;

   this._tabNum        = 0;

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