bootstrapTable 动态隐藏列、显示列

		var $fileTable = $('#file-table').bootstrapTable('destroy').bootstrapTable({
			contentType: "application/x-www-form-urlencoded; charset=UTF-8",
			url: '',
			method: 'GET',
			dataType: "json",
			uniqueId: 'id',
			striped: false,
			cache: false,
			sortName: 'upload_time',
			sortable: true,
			sortOrder: 'desc',
			sidePagination: "server",
			undefinedText: '--',
			singleSelect: true,
			//showRefresh: true,
			//showColumns: true,
			//toolbar: '#file-table-toolbar',
			search: false,
			strictSearch: true,
			clickToSelect: false,
			pagination: true,
			pageNumber: 1,
			pageSize: 10,
			pageList: [5, 10, 20],
			paginationPreText: "上一页",
			paginationNextText: "下一页",
			//showToggle: true,
			//cardView: false,
			//detailView: false,
			//showPaginationSwitch: true,
			queryParamsType: "",
			queryParams: function (params) {
				var temp = {
					'pageSize': params.pageSize,
					'pageNumber': clickByDirOrPageButton === 1 ? 1 : params.pageNumber,
					'searchText': searchTextParam,
					'sortName': params.sortName,
					'sortOrder': params.sortOrder,
					'file_id': file_id
				};
				thisPage = params.pageNumber;
				thisPageSize = params.pageSize;
				return temp;
			},
			columns: [
				{
					checkbox: true
				},
				{
					title: '序号',
					width: 60,
					formatter: function (value, row, index) {
						return index + 1;
					}
				},
				{
					field: 'name',
					title: '名称',
					sortable: true,
					formatter: function (value, row, index) {
						if (row.uploaded) {
							return `<a onclick="openFileInfo()" href="#">${value}</a>`;
						} else {
							return value;
						}
					}
				},
				{
					field: 'status',
					title: '状态',
					width: 100
				}, {
					field: 'create_time',
					title: '创建时间',
					sortable: true,
					width: 240
				}, {
					field: 'update_time',
					title: '更新时间',
					sortable: true,
					width: 240
				}, {
					title: '操作',
					width: 60,
					formatter: function (value, row, index) {
						var r = JSON.stringify(row);
						return `<span class="glyphicon glyphicon-pencil" aria-hidden="true" style="cursor: pointer;" onclick='editTask(${r})'></span>`
					}
				}
			],
			onLoadSuccess: function () {
				//alert('表格加载成功！');
			},
			onLoadError: function () {
				toastr.error("数据加载失败！", "错误提示");
			},
			onClickedRow: function (row, $element) {
				var id = row.id;
			},
			onClickRow: function (row, $element) {

			}
		});

		$("#hide-column-button").click(function(){
			$fileTable.bootstrapTable('hideColumn', 'update_time');
		})

		$("#show-column-button").click(function(){
			$fileTable.bootstrapTable('showColumn', 'update_time');
		})