docs: function() {
  			this.options.width = this.formatWidth(this.options.width);
  			this.options.height = this.formatWidth(this.options.height);
  			if(this.options.height == '100%' || !this.options.height){
  				this.countContentHeight = false;
  			}
  			this.initOptionsTree();
  			this.leftW = 0; // 左侧区域宽度（数字列复选框等）
  			if (this.options.showNumCol) {
  				this.leftW += this.numWidth;
  			}
  			if(this.options.multiSelect){
  				this.leftW += this.multiWidth;
  			}
  			this.exceptContentHeight = 0; // 内容区域之外的高度
  			if(this.options.showHeader){
  				this.exceptContentHeight +=this.headerHeight;
  			}
  			this.fixedWidth = 0;
  			if(this.options.maxHeaderLevel > 1){
  				this.options.canSwap = false;
  			}
  			// 获取缓存id
  			var url = window.location.href;
  			var index = url.indexOf('?');
  			if(index > 0){
  				url = url.substring(0,index);
  			}
  			this.localStorageId = this.options.id + url;
  			
  		}