docs: function(){
  			// $('#' + this.options.id + '_header_multi_input').prop('checked', true)
  			$('#' + this.options.id + '_header_multi_input').addClass('is-checked');
  			if(typeof this.options.onBeforeAllRowSelected == 'function'){
  				var obj = {};
  				obj.gridObj = this;
  				obj.rowObjs = this.dataSourceObj.rows;
  				if(!this.options.onBeforeAllRowSelected(obj)){
  					return;
  				}
  			}
  			// 把需要的dom在循环外获取出来
  			var multiSelectDivs = this.$ele.find('#' + this.options.id + '_content_multiSelect').children(),
  				numColDivs = this.$ele.find('#' + this.options.id + '_content_numCol').children(),
  				contentTrs =  this.$ele.find('#' + this.options.id + '_content_tbody tr[role="row"]'),
  				fixContentTrs =  this.$ele.find('#' + this.options.id + '_content_fixed_tbody tr[role="row"]');
  			this.$ele.find('#' + this.options.id + '_content_tbody tr[role="row"]')
  			for(var i=0;i<this.dataSourceObj.rows.length;i++){
  				this.setRowSelect(i, {multiSelectDivs:multiSelectDivs, numColDivs:numColDivs, contentTrs: contentTrs, fixContentTrs: fixContentTrs});
  			}
  			if(typeof this.options.onAllRowSelected == 'function'){
  				var obj = {};
  				obj.gridObj = this;
  				obj.rowObjs = this.dataSourceObj.rows;
  				this.options.onAllRowSelected(obj);
  			}
  		}