bootstrap-table  固定列（最右边）及固定表头兼容IE

下面是修改后的js源码，需要引入

以及css修改；固定到最右边，修复错位，使固定表头也用滚条占位；

.fixed-table-header-columns>table{position: relative;float: right;
}.fixed-table-body-columns>table{position: relative;float: right;
}
.bootstrap-table .fixed-table-container .fixed-table-header{overflow-y: scroll;
}
.fixed-table-header-columns, .fixed-table-body-columns {right: 17px;
}
.fixed-table-body-columns table{border:0 !important;
}
.fixed-table-body-columns table>tbody>tr>td{border-top:0;
}

(function ($) {'use strict';$.extend($.fn.bootstrapTable.defaults, {fixedColumns: false,fixedNumber: 1});var BootstrapTable = $.fn.bootstrapTable.Constructor,_initHeader = BootstrapTable.prototype.initHeader,_initBody = BootstrapTable.prototype.initBody,_resetView = BootstrapTable.prototype.resetView,_getCaret = BootstrapTable.prototype.getCaret;  // Add: AleksejBootstrapTable.prototype.initFixedColumns = function () {this.$fixedHeader = $(['<div class="fixed-table-header-columns">','<table>','<thead></thead>','</table>','</div>'].join(''));this.timeoutHeaderColumns_ = 0;this.$fixedHeader.find('table').attr('class', this.$el.attr('class'));this.$fixedHeaderColumns = this.$fixedHeader.find('thead');this.$tableHeader.before(this.$fixedHeader);this.$fixedBody = $(['<div class="fixed-table-body-columns">','<table>','<tbody></tbody>','</table>','</div>'].join(''));this.timeoutBodyColumns_ = 0;this.$fixedBody.find('table').attr('class', this.$el.attr('class'));this.$fixedBodyColumns = this.$fixedBody.find('tbody');this.$tableBody.before(this.$fixedBody);};BootstrapTable.prototype.initHeader = function () {_initHeader.apply(this, Array.prototype.slice.apply(arguments));if (!this.options.fixedColumns) {return;}this.initFixedColumns();var that = this, $trs = this.$header.find('tr').clone(true); //Fix: Aleksej "clone()" mit "clone(true)" ersetztvar trLen = $trs.length;$trs.each(function () {// This causes layout problems:console.log(that.options.fixedNumber)//$(this).find('th:gt(' + (that.options.fixedNumber -1) + ')').remove(); // Fix: Aleksej "-1" hinnzugef�gt. Denn immer eine Spalte Mehr geblieben istvar newTr = trLen - that.options.fixedNumber;$(this).find('th:lt(' + newTr + ')').remove();    //小与最后一列的移除});this.$fixedHeaderColumns.html('').append($trs);};BootstrapTable.prototype.initBody = function () {_initBody.apply(this, Array.prototype.slice.apply(arguments));if (!this.options.fixedColumns) {return;}var that = this,rowspan = 0;this.$fixedBodyColumns.html('');this.$body.find('> tr[data-index]').each(function () {var $tr = $(this).clone(),$tds = $tr.find('td');var dataIndex = $tr.attr("data-index");$tr = $("<tr></tr>");$tr.attr("data-index", dataIndex);var end = that.options.fixedNumber;if (rowspan > 0) {--end;--rowspan;}var colTd = $tds.length - 1;    //td长度减1for (var i = 0; i < end; i++) {$tr.append($tds.eq(colTd - i).clone());   //克隆最后一列}that.$fixedBodyColumns.append($tr);if ($tds.eq(0).attr('rowspan')) {rowspan = $tds.eq(0).attr('rowspan') - 1;}});};BootstrapTable.prototype.resetView = function () {_resetView.apply(this, Array.prototype.slice.apply(arguments));if (!this.options.fixedColumns) {return;}clearTimeout(this.timeoutHeaderColumns_);this.timeoutHeaderColumns_ = setTimeout($.proxy(this.fitHeaderColumns, this), this.$el.is(':hidden') ? 100 : 0);clearTimeout(this.timeoutBodyColumns_);this.timeoutBodyColumns_ = setTimeout($.proxy(this.fitBodyColumns, this), this.$el.is(':hidden') ? 100 : 0);};BootstrapTable.prototype.fitHeaderColumns = function () {var that = this,visibleFields = this.getVisibleFields(),headerWidth = 0;var vLen = visibleFields.length;   //表格列数this.$body.find('tr:first-child:not(.no-records-found) > *').each(function (i) {var $this = $(this),index = i;//修改长度相等的时候if (i == vLen - that.options.fixedNumber) {if (that.options.detailView && !that.options.cardView) {index = i - 1;}var $th = that.$fixedHeader.find('th[data-field="' + visibleFields[index] + '"]');$th.find('.fht-cell').width($this.innerWidth());headerWidth += $this.outerWidth();$th.data('fix-pos', index);}});this.$fixedHeader.width(headerWidth + 1).show();// fix click eventthis.$fixedHeader.delegate("tr th", 'click', function () {$(this).parents(".fixed-table-container").find(".fixed-table-body table thead tr th:eq(" + $(this).data("fix-pos") + ") .sortable").click();})};/*** Add: Aleksej* Hook f�r getCaret. Aktualisieren Header bei Fixed-Columns wenn diese sortiert wurden* @method getCaret* @for BootstrapTable*/BootstrapTable.prototype.getCaret = function () {var result = _getCaret.apply(this, arguments);if (this.options.fixedColumns && this.$fixedHeaderColumns instanceof jQuery) {var that = this, $th;$.each(this.$fixedHeaderColumns.find('th'), function (i, th) {$th = $(th);$th.find('.sortable').removeClass('desc asc').addClass($th.data('field') === that.options.sortName ? that.options.sortOrder : 'both');});}return result;};/*** Add: Aleksej, zum berechnen von Scrollbar-Gr��e* @method calcScrollBarSize* @return Number*/BootstrapTable.prototype.calcScrollBarSize = function () {// Es ist egal, ob H�he oder Breitevar tmpWidth = 100,$container = $('<div>').css({width: tmpWidth,overflow: 'scroll',visibility: 'hidden'}).appendTo('body'),widthWithScroll = $('<div>').css({width: '100%'}).appendTo($container).outerWidth();$container.remove();return tmpWidth - widthWithScroll;};BootstrapTable.prototype.fitBodyColumns = function () {var that = this,borderHeight = (parseInt(this.$el.css('border-bottom-width')) + parseInt(this.$el.css('border-top-width'))), // Add. Aleksejtop = this.$fixedHeader.outerHeight() + borderHeight, // Fix. Aleksej "-2" mit "+ borderHeight" ersetzt// the fixed height should reduce the scorll-x heightheight = this.$tableBody.height() - this.calcScrollBarSize(); // Fix. Aleksej "-14" mit "- this.calcScrollBarSize()" ersetztif (!this.$body.find('> tr[data-index]').length) {this.$fixedBody.hide();return;}if (!this.options.height) {top = this.$fixedHeader.height();height = height - top;}this.$fixedBody.css({width: this.$fixedHeader.width(),height: height,top: top}).show();this.$body.find('> tr').each(function (i) {that.$fixedBody.find('tr:eq(' + i + ')').height($(this).height() - 1);});// eventsthis.$tableBody.on('scroll', function () {that.$fixedBody.find('table').css('top', -$(this).scrollTop());});this.$body.find('> tr[data-index]').off('hover').hover(function () {var index = $(this).data('index');that.$fixedBody.find('tr[data-index="' + index + '"]').addClass('hover');}, function () {var index = $(this).data('index');that.$fixedBody.find('tr[data-index="' + index + '"]').removeClass('hover');});this.$fixedBody.find('tr[data-index]').off('hover').hover(function () {var index = $(this).data('index');that.$body.find('tr[data-index="' + index + '"]').addClass('hover');}, function () {var index = $(this).data('index');that.$body.find('> tr[data-index="' + index + '"]').removeClass('hover');});// fix td width bugvar $first_tr = that.$body.find('tr:eq(0)');that.$fixedBody.find('tr:eq(0)').find("td").each(function (index) {$(this).width($first_tr.find("td:eq(" + index + ")").width())});};})(jQuery);