docs: function(rowIndex){
  			//已经选中退出
  			if(this.dataSourceObj.rows[rowIndex].focus)
  				return true;
  			if(!this.dataSourceObj.rows[rowIndex])
  				return true;
  			if(typeof this.options.onBeforeRowFocus == 'function'){
  				var obj = {};
  				obj.gridObj = this;
  				obj.rowObj = this.dataSourceObj.rows[rowIndex];
  				obj.rowIndex = rowIndex;
  				if(!this.options.onBeforeRowFocus(obj)){
  					return false;
  				}
  			}
  			$('#' + this.options.id + '_content_tbody tr').removeClass("u-grid-content-focus-row");
  			$('#' + this.options.id + '_content_tbody tr a').removeClass("u-grid-content-focus-row");
  			$('#' + this.options.id + '_content_fixed_tbody tr').removeClass("u-grid-content-focus-row");
  			$('#' + this.options.id + '_content_fixed_tbody tr a').removeClass("u-grid-content-focus-row");
  			if(this.options.multiSelect){
  				$('#' + this.options.id + '_content_multiSelect').find('div').removeClass("u-grid-content-focus-row");
  			}
  			if(this.options.showNumCol){
  				$('#' + this.options.id + '_content_numCol').find('div').removeClass("u-grid-content-focus-row");
  			}
  			if(this.focusRowObj){
  				this.focusRowObj.focus = false;
  			}
  			$('#' + this.options.id + '_content_tbody tr[role="row"]:eq(' + rowIndex+ ')').addClass("u-grid-content-focus-row");
  			$('#' + this.options.id + '_content_tbody tr[role="row"]:eq(' + rowIndex+ ') a').addClass("u-grid-content-focus-row");
  			$('#' + this.options.id + '_content_fixed_tbody tr[role="row"]:eq(' + rowIndex+ ')').addClass("u-grid-content-focus-row");
  			$('#' + this.options.id + '_content_fixed_tbody tr[role="row"]:eq(' + rowIndex+ ') a').addClass("u-grid-content-focus-row");
  			var ini = rowIndex;
  			if(this.eidtRowIndex > -1 && this.eidtRowIndex < rowIndex && this.options.editType == 'form'){
  				ini++;
  			}
  			if(this.options.multiSelect){
  				$('#' + this.options.id + '_content_multiSelect >div:eq(' + ini + ')').addClass("u-grid-content-focus-row");
  			}
  			if(this.options.showNumCol){
  				$('#' + this.options.id + '_content_numCol >div:eq(' + ini + ')').addClass("u-grid-content-focus-row");
  			}
  			this.focusRow = this.dataSourceObj.rows[rowIndex].value;
  			this.focusRowObj = this.dataSourceObj.rows[rowIndex];
  			this.focusRowIndex = rowIndex;
  			this.dataSourceObj.rows[rowIndex].focus = true;
  			if(typeof this.options.onRowFocus == 'function'){
  				var obj = {};
  				obj.gridObj = this;
  				obj.rowObj = this.dataSourceObj.rows[rowIndex];
  				obj.rowIndex = rowIndex;
  				this.options.onRowFocus(obj);
  			}
  			if(!this.options.multiSelect){
  				this.setRowSelect(rowIndex);
  			}
  			return true;
  		}