code: function(sliceCode,data){
      	console.log(_outSpritePath);
          var _slice;
          for(var key in sliceCode){
              _slice = sliceCode[key];
              var _code = "background-image: url(.";
                  _code += _outSpritePath.slice(_outSpritePath.lastIndexOf("/"),_outSpritePath.length);
                  _code += "/";
                  _code += _outSpriteName;
                  _code += ");";
                  _code += "background-position: -";
                  _code += _slice.x;
                  _code += "px -";
                  _code += _slice.y;
                  _code += "px;";
              data = data.replace(_slice.code,_code);
          }
          return data;
      }
docs: [_updateStyleHandler 更新样式表string]
  @param  {[array]} sliceCode [合并后图片所在的位置以及对应的样式代码]
  @param  {[type]} data      [原css文件转换string的对象]
  @return {[type]}           [返回更新后的样式文件string]