code: function(code) {
  		    var varArray= code
  		    .replace(REMOVE, '')
  		    .replace(SPLIT, ',')
  		    .replace(KEYWORDS, '')
  		    .replace(NUMBER, '')
  		    .replace(BOUNDARY, '')
  		    .split(SPLIT2);
  		    var n = {},r=[];  
  			for(var i = 0; i < varArray.length; i++) 
  			{
  				if (!n[varArray[i]] && varArray[i]!="_p" && varArray[i]!="Et" && varArray[i]!="out") 
  				{
  					n[varArray[i]] = true; 
  					r.push(varArray[i]); 
  				}
  			}
  			var vars = "var ";
  			while(r.length) {
  				var v = r.shift();
  				vars += "" + v + '= data.' + v + ',';
  			}
  			return vars;
  		}
docs: 其他变量，函数定义...