docs: function(options, gridComp){
  			this.defaults = {}
  			this.gridComp = gridComp;
  			this.options = $.extend({}, this.defaults, options);
  			this.rows = new Array(); // 存储数据行
  			this.hasParentRows = new Array(); // 存在父项
  			this.nothasParentRows = new Array(); // 不存在父项
  		}