网络编程 发布日期:2025/11/9 浏览次数:1
上篇给大家介绍了JS 组件系列之 bootstrap treegrid 组件封装过程,下面重点给大家介绍JS 组件系列之BootstrapTable的treegrid功能,需要的的朋友一起学习吧!
一、效果预览
全部折叠
展开一级
全部展开
二、代码示例
怎么样?效果还行吧。给出js的源码供大家参考。
(function ($) {
'use strict';
var sprintf = function (str) {
var args = arguments,
flag = true,
i = 1;
str = str.replace(/%s/g, function () {
var arg = args[i++];
if (typeof arg === 'undefined') {
flag = false;
return '';
}
return arg;
});
return flag "%s"', key, escapeHTML(attributes[key])));
}
}
if (item._data && !$.isEmptyObject(item._data)) {
$.each(item._data, function (k, v) {
if (k === 'index') {
return;
}
data_ += sprintf(' data-%s="%s"', k, v);
});
}
html.push('<tr',
sprintf(' %s', htmlAttributes.join(' ')),
sprintf(' id="%s"', $.isArray(item) "%s"', style.classes || ($.isArray(item) "%s"', i),
sprintf(' data-uniqueid="%s"', item[this.options.uniqueId]),
sprintf('%s', data_),
'>'
);
if (this.options.cardView) {
html.push(sprintf('<td colspan="%s">', this.header.fields.length));
}
if (!this.options.cardView && this.options.detailView) {
html.push('<td>',
'<a class="detail-icon" href="javascript:" rel="external nofollow" >',
sprintf('<i class="%s %s"></i>', this.options.iconsPrefix, this.options.icons.detailOpen),
'</a>',
'</td>');
}
$.each(this.header.fields, function (j, field) {
var text = '',
value = getItemField(item, field),
type = '',
cellStyle = {},
id_ = '',
class_ = that.header.classes[j],
data_ = '',
rowspan_ = '',
title_ = '',
column = that.columns[getFieldIndex(that.columns, field)];
if (!column.visible) {
return;
}
style = sprintf('style="%s"', csses.concat(that.header.styles[j]).join('; '));
value = calculateObjectValue(column,
that.header.formatters[j], [value, item, i], value);
if (item['_' + field + '_id']) {
id_ = sprintf(' id="%s"', item['_' + field + '_id']);
}
if (item['_' + field + '_class']) {
class_ = sprintf(' class="%s"', item['_' + field + '_class']);
}
if (item['_' + field + '_rowspan']) {
rowspan_ = sprintf(' rowspan="%s"', item['_' + field + '_rowspan']);
}
if (item['_' + field + '_title']) {
title_ = sprintf(' title="%s"', item['_' + field + '_title']);
}
cellStyle = calculateObjectValue(that.header,
that.header.cellStyles[j], [value, item, i], cellStyle);
if (cellStyle.classes) {
class_ = sprintf(' class="%s"', cellStyle.classes);
}
if (cellStyle.css) {
var csses_ = [];
for (var key in cellStyle.css) {
csses_.push(key + ': ' + cellStyle.css[key]);
}
style = sprintf('style="%s"', csses_.concat(that.header.styles[j]).join('; '));
}
if (item['_' + field + '_data'] && !$.isEmptyObject(item['_' + field + '_data'])) {
$.each(item['_' + field + '_data'], function (k, v) {
if (k === 'index') {
return;
}
data_ += sprintf(' data-%s="%s"', k, v);
});
}
if (column.checkbox || column.radio) {
type = column.checkbox "card-view">' : '<td class="bs-checkbox">',
'<input' +
sprintf(' data-index="%s"', i) +
sprintf(' name="%s"', that.options.selectItemName) +
sprintf(' type="%s"', type) +
sprintf(' value="%s"', item[that.options.idField]) +
sprintf(' checked="%s"', value === true ||
(value && value.checked) "%s"', !column.checkboxEnabled ||
(value && value.disabled) "margin-left: %spx;"></span>', (item.Level - that.options.treeRootLevel) * 15);
var child = $.grep(data, function (d, i) {
return d.ParentId == item[that.options.treeId] && !d.hidden;
});
icon = sprintf('<span class="tree-icon %s" style="cursor: pointer; margin: 0px 5px;"></span>', child.length > 0 "tree-icon %s" style="cursor: pointer; margin: 0px 5px;"></span>', child.length > 0 "");
}
text = that.options.cardView "card-view">',
that.options.showHeader "title" %s>%s</span>', style,
getPropertyFromOther(that.columns, 'field', 'title', field)) : '',
sprintf('<span class="value">%s</span>', value),
'</div>'
].join('') : [sprintf('<td%s %s %s %s %s %s>', id_, class_, style, data_, rowspan_, title_),
indent,
icon,
value,
'</td>'
].join('');
if (that.options.cardView && that.options.smartDisplay && value === '') {
text = '';
}
}
html.push(text);
});
if (this.options.cardView) {
html.push('</td>');
}
html.push('</tr>');
}
if (!html.length) {
html.push('<tr class="no-records-found">',
sprintf('<td colspan="%s">%s</td>',
this.$header.find('th').length, this.options.formatNoMatches()),
'</tr>');
}
this.$body.html(html.join(''));
if (!fixedScroll) {
this.scrollTo(0);
}
this.$body.find('> tr[data-index] > td').off('click dblclick').on('click dblclick', function (e) {
var $td = $(this),
$tr = $td.parent(),
item = that.data[$tr.data('index')],
index = $td[0].cellIndex,
field = that.header.fields[that.options.detailView && !that.options.cardView "%s"]', that.options.selectItemName));
if ($selectItem.length) {
$selectItem[0].click();
}
}
});
this.$body.find('> tr[data-index] > td > .detail-icon').off('click').on('click', function () {
debugger;
var $this = $(this),
$tr = $this.parent().parent(),
index = $tr.data('index'),
row = data[index];
if ($tr.next().is('tr.detail-view')) {
$this.find('i').attr('class', sprintf('%s %s', that.options.iconsPrefix, that.options.icons.detailOpen));
$tr.next().remove();
that.trigger('collapse-row', index, row);
} else {
$this.find('i').attr('class', sprintf('%s %s', that.options.iconsPrefix, that.options.icons.detailClose));
$tr.after(sprintf('<tr class="detail-view"><td colspan="%s">%s</td></tr>',
$tr.find('td').length, calculateObjectValue(that.options,
that.options.detailFormatter, [index, row], '')));
that.trigger('expand-row', index, row, $tr.next().find('td'));
}
that.resetView();
});
this.$body.find('> tr[data-index] > td > .tree-icon').off('click').on('click', function (e) {
debugger;
e.stopPropagation();
var $this = $(this),
$tr = $this.parent().parent(),
index = $tr.data('index'),
row = data[index];
var icon = $(this);
var child = getChild(data[index], data, that.options.treeId);
$.each(child, function (i, c) {
$.each(that.data, function (index, item) {
if (item[that.options.treeId] == c[that.options.treeId]) {
item.hidden = icon.hasClass(that.options.expandIcon);
that.uncheck(index);
return;
}
});
});
if (icon.hasClass(that.options.expandIcon)) {
icon.removeClass(that.options.expandIcon).addClass(that.options.collapseIcon);
} else {
icon.removeClass(that.options.collapseIcon).addClass(that.options.expandIcon);
}
that.options.data = that.data;
that.initBody(true);
});
this.$selectItem = this.$body.find(sprintf('[name="%s"]', this.options.selectItemName));
this.$selectItem.off('click').on('click', function (event) {
event.stopImmediatePropagation();
var $this = $(this),
checked = $this.prop('checked'),
row = that.data[$this.data('index')];
if (that.options.maintainSelected && $(this).is(':radio')) {
$.each(that.options.data, function (i, row) {
row[that.header.stateField] = false;
});
}
row[that.header.stateField] = checked;
if (that.options.singleSelect) {
that.$selectItem.not(this).each(function () {
that.data[$(this).data('index')][that.header.stateField] = false;
});
that.$selectItem.filter(':checked').not(this).prop('checked', false);
}
that.updateSelected();
that.trigger(checked "id",//treeView视图字段
treeId: "id",
treeRootLevel: 0,//根节点序号
treeCollapseAll: false,//是否全部展开
collapseIcon: "glyphicon glyphicon-chevron-right",//折叠样式
expandIcon: "glyphicon glyphicon-chevron-down"//展开样式
});
})(jQuery);
组件的使用如下:
1、首先引用这个js文件。
2、然后初始化组件
$('#tb').bootstrapTable({
url: ActionUrl + 'GetMenuList',
toolbar: '#toolbar',
sidePagination: 'client',
pagination: false,
treeView: true,
treeId: "Id",
treeField: "Name",
treeRootLevel: 1,
clickToSelect: true,//collapseIcon: "glyphicon glyphicon-triangle-right",//折叠样式
//expandIcon: "glyphicon glyphicon-triangle-bottom"//展开样式
});
treeView:true表示启用树表格模式;
treeId:'Id'表示每一行tree的id;
treeField:'Name'表示要对那一列进行展开;
treeRootLevel:1表示树根的级别。
还有一个地方需要注意,要建立记录之间的父子级关系,必然后有一个ParentId的概念,所以在从后端返回的结果集里面,每条记录势必有一个ParentId的属性,如果是根节点,ParentId为null。比如我们后台得到的结果集的json格式如下:
[{Id: 1, Name: "系统设置", Url: null, ParentId: null, Level: 1, CreateTime: null, Status: 1, SortOrder: 1,…},
{Id: 2, Name: "菜单管理", Url: "/Systems/Menu/Index", ParentId: 1, Level: 2, CreateTime: null, Status: 1,…},
{Id: 3, Name: "订单管理", Url: null, ParentId: null, Level: 1, CreateTime: "2017-05-31 17:05:27",…},
{Id: 4, Name: "基础数据", Url: null, ParentId: null, Level: 1, CreateTime: "2017-05-31 17:05:55",…},
{Id: 5, Name: "新增订单", Url: "/order/add", ParentId: 3, Level: 2, CreateTime: "2017-05-31 17:07:03",…}]
三、组件需要完善的地方
上述封装给大家提供一个扩展bootstrapTable组件treeview功能,还有很多地方需要完善,比如:
1、我们的叶子节点前面的图标可以去掉;
2、增加展开所有、折叠所有的功能;
3、Level字段可以去掉,通过ParentId为null来确定根节点。
有兴趣的小伙伴可以自己试试。
四、总结
至此本文就结束了,这篇针对上篇做了一个补充,使得我们可以根据项目的需求自己选择用哪种方式,如果我们项目使用的是bootstrapTable作为数据展示的组件,可以考虑上述扩展;如果没有使用bootstrapTable,可以试试上篇的组件。