发布一个jQuery插件 PHP的serialize 和 unserialize

wj008 2009-12-08 09:21:02



jQuery.extend({objTostr:function(obj){

function __typeof(objClass){if(objClass&&objClass.constructor){var strFun = objClass.constructor.toString();var className =strFun.substr(0, strFun.indexOf('('));className = className.replace('function', '');return className.replace(/(^\s*)|(\s*$)/ig, '');}return typeof(objClass);}

function OutJsObject(Arr,Tab){

var Rstr=new Array();Tab+="   ";

for (var i in Arr){

//if(typeof(Arr[i])=="function")continue;

var Item=Tab+"   ["+i+"]=>"+OutJsVal(Arr[i],Tab);

Rstr.push(Item);

}

return{Rstr:Rstr.join("\n"),Tab:Tab};}

function OutJsVal(Obj,Tab)

{   

var Typ=typeof(Obj);

if(Obj==null)return null;

if(Typ=="function"){return "[function]";}

if(Typ=="number"||Typ=="boolean"||Typ=="string"){return Obj;}

if(Typ=="object"){

if(Obj instanceof Number||Obj instanceof Boolean||Obj instanceof String){return Obj.toString();}

else if(Obj instanceof Array){var Sd= OutJsObject(Obj,Tab);var Tb=Sd.Tab;return "Array\n"+Tb+"(\n"+Sd.Rstr+"\n"+Tb+")";}

else if(Obj.toString()!="[object Object]")

{

	return Obj.toString();

}

else{var Tname=__typeof(Obj);var Sd= OutJsObject(Obj,Tab);var Tb=Sd.Tab;return Tname+" Object\n"+Tb+"(\n"+Sd.Rstr+"\n"+Tb+")";}

}

return "";

}

var Str=OutJsVal(obj,"");

return Str; },trace:function(obj){alert(this.objTostr(obj));}});

jQuery.fn.extend({trace:function(obj){this.html("<pre>"+$.objTostr(obj)+"</pre>");}});

jQuery.extend((function()

{

  //  设置PHP文件编码---------

  var PHP_Ecoding="utf-8";

  //-------------------

  //获得编码的字节长度

  var getCharLength=function(str){

	  if(PHP_Ecoding.toLowerCase()=="utf-8")

	  return str.replace(/[^\x00-\xff]/g,"***").length;

	  else

	  return str.replace(/[^\x00-\xff]/g,"**").length;

  }

  //计算对象长度 不包括function

  var CountObject=function(Obj){var l=0;for (var i in Obj){if(php_typeof(Obj[i])=="N"&&Obj[i]!=null)continue;l++;}return l;}

  //返回对象带名称类型

  var __typeof=function(objClass)

  {

	   if (objClass&&objClass.constructor)

	   {

		   var strFun = objClass.constructor.toString();

		   var className =strFun.substr(0, strFun.indexOf('('));

		   className = className.replace('function', '');

		   return className.replace(/(^\s*)|(\s*$)/ig, '');  

	   }

	   return typeof(objClass);

  }

  //返回对应PHP的类型

  var php_typeof =function(Obj)

  {

	  switch(typeof(Obj))

	  {

		  case "number": return /^-?\d+$/.test(Obj)?"i":"d";break;

		  case "string": return "s";break;

		  case "boolean":return "b";break;

		  case "object":

		  {

		   if(Obj==null)	return "N";

		   if(Obj instanceof Array)return "a";

		   if(Obj.toString()=="[object Object]")return "O";

		   else return "N";

		   break;

		  }

		  default :return "N";break;

	  }

  }

  //获得值的PHP代码-----------------

  var php_getValCode=function(Obj)

  {

	  if(typeof(Obj)=="function")return "";

		  var Typ=php_typeof(Obj);

		  if(Typ=="i"||Typ=="d"){return Typ+":"+Obj+";"}

		  else if(Typ=="b"){return Typ+":"+(Obj==true?1:0)+";"}

		  else if(Typ=="s"){return "s:"+getCharLength(Obj)+":\""+Obj+"\";"}

		  else if(Typ=="a"){return "a:"+CountObject(Obj)+":"+"{"+php_getObjCode(Obj)+"}";}

		  else if(Typ=="O"){

			  var Tname=__typeof(Obj);

			  if(Tname=="Object")Tname="stdClass";

			  return Typ+":"+Tname.length+":\""+Tname+"\":"+CountObject(Obj)+":{"+php_getObjCode(Obj)+"}";

			  }

		  else {return "N;";}

		  return "";

  }

  //获得对象的PHP代码-----------------

  var php_getObjCode=function(Obj)

  {

	  var Rstr="";

	  for (var i in Obj)

	  {

		  var Item="";

		  i=/^\d+$/.test(i)?Number(i):i;

		  var Str=Obj[i];

		  if(php_typeof(Str)=="N"&&Str!=null)continue;	

		  var KeyTyp=php_typeof(i);

		  if(KeyTyp=="i"){Item=KeyTyp+":"+i+";";}

		  else if(KeyTyp=="s"){Item=KeyTyp+":"+getCharLength(i)+":\""+i+"\";";}

		  else {continue;}

		  Item+=php_getValCode(Str);

		  Rstr+=Item;

	  }

	  return Rstr;

  }

  //解析PHP对象==================

  var exposition_php=function(Str)

  {

	  var key;

	  var val;

	  key=Str.substr(0,1);

	  if(key=="N"){

		  val=null;

		  var Idx=Str.indexOf(";",0);

		  Str=Str.substring(Idx+1);

		  }

	  if(key=="i"||key=="d"){

		  var Idx=Str.indexOf(";",2);

		  if(Idx===false)return null;

		  val=Number(Str.substring(2,Idx));

		  Str=Str.substring(Idx+1);

		  }

	  if(key=="b"){

		  var Idx=Str.indexOf(";",2);

		  if(Idx===false)return null;

		  val=Number(Str.substring(2,Idx))==0?false:true;

		  Str=Str.substring(Idx+1);

		  }

	  if(key=="s"){

		  var Idx=Str.indexOf(":",2);

		  if(Idx===false)return null;

		  var Len=Number(Str.substring(2,Idx));

		  Idx=Str.indexOf("\"",Idx);

		  if(Idx===false)return null;

		  val=Str.substr(Idx+1,Len);

		  //------------------------

		  var nLen=Len;

		  var char_Len=getCharLength(val);

		  var Dec =parseInt(Len/2);

		  //使用增量快速查找-------

		  while(char_Len!=Len){

				  if(char_Len>Len){nLen-=Dec;}else{nLen+=Dec;}

				  val=Str.substr(Idx+1,nLen);

				  char_Len=getCharLength(val);

				  Dec =parseInt(Dec/2);

				  if(Dec==0)Dec=1;

			  }

		  Len=nLen;

		  //-------------------------

		  Str=Str.substring(Idx+Len+3);

		  }

	  if(key=="a"){

		  val=new Array(); 

		  var Idx=Str.indexOf(":",2);

		  if(Idx===false)return null;

		  var Len=Number(Str.substring(2,Idx));

		  Idx=Str.indexOf("{",Idx);

		  if(Idx===false)return null;

		  Str=Str.substring(Idx+1);	  

		  for(var i=0;i<Len;i++)

		  {

			  var MKeyobj=exposition_php(Str);

			  if(MKeyobj==null)return null;

			  Str=MKeyobj.str;

			  var Mvalobj=exposition_php(Str);

			  if(Mvalobj==null)return null;

			  Str=Mvalobj.str;

			  val[MKeyobj.val]=Mvalobj.val;

		  }

		  Idx=Str.indexOf("}");

		  if(Idx===false)return null;

		  Str=Str.substring(Idx+1);

		 }

	  if(key=="O"){

		  var Idx=Str.indexOf(":",2);

		  if(Idx===false)return null;

		  var sLen=Number(Str.substring(2,Idx));

		  Idx=Str.indexOf("\"",Idx);

		  if(Idx===false)return null;

		  var Fval=Str.substr(Idx+1,sLen);

		  if(Fval=="stdClass")Fval="Object";

		  eval("val=new "+Fval+"();");

		  Idx=Idx+sLen+3;

		  var Edx=Str.indexOf(":",Idx);

		  if(Edx===false)return null;

		  var Len=Number(Str.substring(Idx,Edx));

		  Idx=Str.indexOf("{",Edx);

		  if(Edx===false)return null;

		  Str=Str.substring(Idx+1);

		  if(Idx===false)return null;

		  for(var i=0;i<Len;i++)

		  {

			  var MKeyobj=exposition_php(Str);

			  if(MKeyobj==null)return null;

			  Str=MKeyobj.str;

			  var Mvalobj=exposition_php(Str);

			  if(Mvalobj==null)return null;

			  Str=Mvalobj.str;	

			  val[MKeyobj.val]=Mvalobj.val;

		  }

		  Idx=Str.indexOf("}");

		  if(Idx===false)return null;

		  Str=Str.substring(Idx+1);

		 }

	  

	  return {val:val,str:Str};

  }

  

  

  var _serialize=function(Obj,Ecoding)

  {

	  PHP_Ecoding=Ecoding||PHP_Ecoding;

	  return php_getValCode(Obj);

  }

  var _unserialize=function(Str,Ecoding)

  {

	  PHP_Ecoding=Ecoding||PHP_Ecoding;

	  var Obj=exposition_php(Str);

	  if(Obj!=null)

	  return Obj.val;

	  else

	  return null;

  }

  return {php_serialize:_serialize,php_unserialize:_unserialize}

})());