扩展BootstrapTable的 冻结列~功能~完美！
内容导读
互联网集市收集整理的这篇技术教程文章主要介绍了扩展BootstrapTable的 冻结列~功能~完美！，小编现在分享给大家，供广大互联网技能从业者学习和参考。文章包含7830字，纯文字阅读大概需要12分钟。
内容图文
冻结左边6行的效果图：
js代码：
(function ($) {
‘use strict‘;
$.extend($.fn.bootstrapTable.defaults, {
leftFixedColumns: false,
leftFixedNumber: 1,
rightFixedColumns: false,
rightFixedNumber: 1
});
var BootstrapTable = $.fn.bootstrapTable.Constructor,
_initHeader = BootstrapTable.prototype.initHeader,
_initBody = BootstrapTable.prototype.initBody,
_resetView = BootstrapTable.prototype.resetView;
BootstrapTable.prototype.initFixedColumns = function () {
this.timeoutHeaderColumns_ = 0;
this.timeoutBodyColumns_ = 0;
if (this.options.leftFixedColumns) {
this.$fixedBody = $([
‘<div class="fixed-table-column" style="position: absolute; border-right:1px solid #ddd;">‘,
‘<table>‘,
‘<thead></thead>‘,
‘<tbody></tbody>‘,
‘</table>‘,
‘</div>‘].join(‘‘));
this.$fixedBody.find(‘table‘).attr(‘class‘, this.$el.attr(‘class‘));
this.$fixedHeaderColumns = this.$fixedBody.find(‘thead‘);
this.$fixedBodyColumns = this.$fixedBody.find(‘tbody‘);
this.$tableBody.before(this.$fixedBody);
}
if (this.options.rightFixedColumns) {
this.$rightfixedBody = $([
‘<div class="fixed-table-column" style="position: absolute;right:0px; border-right:1px solid #ddd;">‘,
‘<table>‘,
‘<thead></thead>‘,
‘<tbody></tbody>‘,
‘</table>‘,
‘</div>‘].join(‘‘));
this.$rightfixedBody.find(‘table‘).attr(‘class‘, this.$el.attr(‘class‘));
this.$rightfixedHeaderColumns = this.$rightfixedBody.find(‘thead‘);
this.$rightfixedBodyColumns = this.$rightfixedBody.find(‘tbody‘);
this.$tableBody.before(this.$rightfixedBody);
}
};
BootstrapTable.prototype.initHeader = function () {
_initHeader.apply(this, Array.prototype.slice.apply(arguments));
if (!this.options.leftFixedColumns && !this.options.rightFixedColumns){
return;
}
this.initFixedColumns();
var $tr = this.$header.find(‘tr:eq(0)‘).clone(),
$ths = $tr.clone().find(‘th‘);
$tr.html(‘‘);
//左边列冻结
if (this.options.leftFixedColumns) {
for (var i = 0; i < this.options.leftFixedNumber; i++) {
$tr.append($ths.eq(i).clone());
}
this.$fixedHeaderColumns.html(‘‘).append($tr);
}
//右边列冻结
if (this.options.rightFixedColumns) {
for (var i = 0; i < this.options.rightFixedNumber; i++) {
$tr.append($ths.eq($ths.length - this.options.rightFixedNumber + i).clone());
}
this.$rightfixedHeaderColumns.html(‘‘).append($tr);
}
};
BootstrapTable.prototype.initBody = function () {
_initBody.apply(this, Array.prototype.slice.apply(arguments));
if (!this.options.leftFixedColumns && !this.options.rightFixedColumns) {
return;
}
var that = this;
if (this.options.leftFixedColumns) {
this.$fixedBodyColumns.html(‘‘);
this.$body.find(‘> tr[data-index]‘).each(function () {
var $tr = $(this).clone(),
$tds = $tr.clone().find(‘td‘);
$tr.html(‘‘);
for (var i = 0; i < that.options.leftFixedNumber; i++) {
$tr.append($tds.eq(i).clone());
}
that.$fixedBodyColumns.append($tr);
});
}
if (this.options.rightFixedColumns) {
this.$rightfixedBodyColumns.html(‘‘);
this.$body.find(‘> tr[data-index]‘).each(function () {
var $tr = $(this).clone(),
$tds = $tr.clone().find(‘td‘);
$tr.html(‘‘);
for (var i = 0; i < that.options.rightFixedNumber; i++) {
var indexTd = $tds.length - that.options.rightFixedNumber + i;
var oldTd = $tds.eq(indexTd);
var fixTd = oldTd.clone();
var buttons = fixTd.find(‘button‘);
//事件转移：冻结列里面的事件转移到实际按钮的事件
buttons.each(function (key, item) {
$(item).click(function () {
that.$body.find("tr[data-index=" + $tr.attr(‘data-index‘) + "] td:eq(" + indexTd + ") button:eq(" + key + ")").click();
});
});
$tr.append(fixTd);
}
that.$rightfixedBodyColumns.append($tr);
});
}
};
BootstrapTable.prototype.resetView = function () {
_resetView.apply(this, Array.prototype.slice.apply(arguments));
if (!this.options.leftFixedColumns && !this.options.rightFixedColumns) {
return;
}
clearTimeout(this.timeoutHeaderColumns_);
this.timeoutHeaderColumns_ = setTimeout($.proxy(this.fitHeaderColumns, this), this.$el.is(‘:hidden‘) ? 100 : 0);
clearTimeout(this.timeoutBodyColumns_);
this.timeoutBodyColumns_ = setTimeout($.proxy(this.fitBodyColumns, this), this.$el.is(‘:hidden‘) ? 100 : 0);
};
BootstrapTable.prototype.fitHeaderColumns = function () {
var that = this,
visibleFields = this.getVisibleFields(),
headerWidth = 0;
if (that.options.leftFixedColumns) {
this.$body.find(‘tr:first-child:not(.no-records-found) > *‘).each(function (i) {
var $this = $(this),
index = i;
if (i >= that.options.leftFixedNumber) {
return false;
}
if (that.options.detailView && !that.options.cardView) {
index = i - 1;
}
that.$fixedBody.find(‘thead th[data-field="‘ + visibleFields[index] + ‘"]‘)
.find(‘.fht-cell‘).width($this.innerWidth() - 1);
headerWidth += $this.outerWidth();
});
this.$fixedBody.width(headerWidth - 1).show();
}
if (that.options.rightFixedColumns) {
this.$body.find(‘tr:first-child:not(.no-records-found) > *‘).each(function (i) {
var $this = $(this),
index = i;
if (i >= visibleFields.length - that.options.rightFixedNumber) {
that.$rightfixedBody.find(‘thead th[data-field="‘ + visibleFields[index] + ‘"]‘)
.find(‘.fht-cell‘).width($this.innerWidth() - 1);
headerWidth += $this.outerWidth();
}
});
this.$rightfixedBody.width(headerWidth - 1).show();
}
};
BootstrapTable.prototype.fitBodyColumns = function () {
var that = this,
top = -(parseInt(this.$el.css(‘margin-top‘)) - 2),
height = this.$tableBody.height() - 2;
if (that.options.leftFixedColumns) {
if (!this.$body.find(‘> tr[data-index]‘).length) {
this.$fixedBody.hide();
return;
}
this.$body.find(‘> tr‘).each(function (i) {
that.$fixedBody.find(‘tbody tr:eq(‘ + i + ‘)‘).height($(this).height());
});
//// events
this.$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‘);
});
}
if (that.options.rightFixedColumns) {
if (!this.$body.find(‘> tr[data-index]‘).length) {
this.$rightfixedBody.hide();
return;
}
this.$body.find(‘> tr‘).each(function (i) {
that.$rightfixedBody.find(‘tbody tr:eq(‘ + i + ‘)‘).height($(this).height());
});
//// events
this.$tableBody.on(‘scroll‘, function () {
that.$rightfixedBody.find(‘table‘).css(‘top‘, -$(this).scrollTop());
});
this.$body.find(‘> tr[data-index]‘).off(‘hover‘).hover(function () {
var index = $(this).data(‘index‘);
that.$rightfixedBody.find(‘tr[data-index="‘ + index + ‘"]‘).addClass(‘hover‘);
}, function () {
var index = $(this).data(‘index‘);
that.$rightfixedBody.find(‘tr[data-index="‘ + index + ‘"]‘).removeClass(‘hover‘);
});
this.$rightfixedBody.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‘);
});
}
};
})(jQuery);
css代码
.fixed-table-container thead th .th-inner, .fixed-table-container tbody td .th-inner {
line-height: 18px;
}
.fixed-table-pagination .pagination a {
padding: 5px 10px;
}
.fixed-table-toolbar .bars, .fixed-table-toolbar .search, .fixed-table-toolbar .columns {
margin-top: 5px;
margin-bottom: 5px;
}
bootstrap-table-fixed-columns.css
太完美了~~~
原文：https://www.cnblogs.com/qingqinglanlan/p/9486137.html
内容总结
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