官方版本 layui.tree 选择父级元素，子集元素会被默认选中。
在网上浏览了一番解决方案，修改了一下源码 共享给大家。
代码语言：javascript复制/**
@Name：layui.tree 树
@Author：star1029
@License：MIT
*/
layui.define('form', function (exports) {
"use strict";
var $ = layui.$
, form = layui.form
, layer = layui.layer
//模块名
, MOD_NAME = 'tree'
//外部接口
, tree = {
config: {}
, index: layui[MOD_NAME] ? (layui[MOD_NAME].index 10000) : 0
//设置全局项
, set: function (options) {
var that = this;
that.config = $.extend({}, that.config, options);
return that;
}
//事件监听
, on: function (events, callback) {
return layui.onevent.call(this, MOD_NAME, events, callback);
}
}
//操作当前实例
, thisModule = function () {
var that = this
, options = that.config
, id = options.id || that.index;
thisModule.that[id] = that; //记录当前实例对象
thisModule.config[id] = options; //记录当前实例配置项
return {
config: options
//重置实例
, reload: function (options) {
that.reload.call(that, options);
}
, getChecked: function () {
return that.getChecked.call(that);
}
, setChecked: function (id) {//设置值
return that.setChecked.call(that, id);
}
}
}
//获取当前实例配置项
, getThisModuleConfig = function (id) {
var config = thisModule.config[id];
if (!config) hint.error('The ID option was not found in the ' MOD_NAME ' instance');
return config || null;
}
//字符常量
, SHOW = 'layui-show', HIDE = 'layui-hide', NONE = 'layui-none', DISABLED = 'layui-disabled'
, ELEM_VIEW = 'layui-tree', ELEM_SET = 'layui-tree-set', ICON_CLICK = 'layui-tree-iconClick'
, ICON_ADD = 'layui-icon-addition', ICON_SUB = 'layui-icon-subtraction', ELEM_ENTRY = 'layui-tree-entry',
ELEM_MAIN = 'layui-tree-main', ELEM_TEXT = 'layui-tree-txt', ELEM_PACK = 'layui-tree-pack',
ELEM_SPREAD = 'layui-tree-spread'
, ELEM_LINE_SHORT = 'layui-tree-setLineShort', ELEM_SHOW = 'layui-tree-showLine',
ELEM_EXTEND = 'layui-tree-lineExtend'
//构造器
, Class = function (options) {
var that = this;
that.index = tree.index;
that.config = $.extend({}, that.config, tree.config, options);
that.render();
};
//默认配置
Class.prototype.config = {
data: [] //数据
, showCheckbox: false //是否显示复选框
, showLine: true //是否开启连接线
, accordion: false //是否开启手风琴模式
, onlyIconControl: false //是否仅允许节点左侧图标控制展开收缩
, isJump: false //是否允许点击节点时弹出新窗口跳转
, edit: false //是否开启节点的操作图标
, contact: true //是否开启父子联系
, text: {
defaultNodeName: '未命名' //节点默认名称
, none: '无数据' //数据为空时的文本提示
}
};
//重载实例
Class.prototype.reload = function (options) {
var that = this;
layui.each(options, function (key, item) {
if (item.constructor === Array) delete that.config[key];
});
that.config = $.extend(true, {}, that.config, options);
that.render();
};
//主体渲染
Class.prototype.render = function () {
var that = this
, options = that.config;
that.checkids = [];
var temp = $('<div class="layui-tree' (options.showCheckbox ? " layui-form" : "") (options.showLine ? " layui-tree-line" : "") '" lay-filter="LAY-tree-' that.index '"></div>');
that.tree(temp);
var othis = options.elem = $(options.elem);
if (!othis[0]) return;
//索引
that.key = options.id || that.index;
//插入组件结构
that.elem = temp;
that.elemNone = $('<div class="layui-tree-emptyText">' options.text.none '</div>');
othis.html(that.elem);
if (that.elem.find('.layui-tree-set').length == 0) {
return that.elem.append(that.elemNone);
}
;
//复选框渲染
if (options.showCheckbox) {
that.renderForm('checkbox');
}
;
that.elem.find('.layui-tree-set').each(function () {
var othis = $(this);
//最外层
if (!othis.parent('.layui-tree-pack')[0]) {
othis.addClass('layui-tree-setHide');
}
;
//没有下一个节点 上一层父级有延伸线
if (!othis.next()[0] && othis.parents('.layui-tree-pack').eq(1).hasClass('layui-tree-lineExtend')) {
othis.addClass(ELEM_LINE_SHORT);
}
;
//没有下一个节点 外层最后一个
if (!othis.next()[0] && !othis.parents('.layui-tree-set').eq(0).next()[0]) {
othis.addClass(ELEM_LINE_SHORT);
}
;
});
that.events();
};
//渲染表单
Class.prototype.renderForm = function (type) {
form.render(type, 'LAY-tree-' this.index);
};
//节点解析
Class.prototype.tree = function (elem, children) {
var that = this
, options = that.config
, data = children || options.data;
//遍历数据
layui.each(data, function (index, item) {
var hasChild = item.children && item.children.length > 0
,
packDiv = $('<div class="layui-tree-pack" ' (item.spread ? 'style="display: block;"' : '') '></div>')
,
entryDiv = $(['<div data-id="' item.id '" class="layui-tree-set' (item.spread ? " layui-tree-spread" : "") (item.checked ? " layui-tree-checkedFirst" : "") '">'
, '<div class="layui-tree-entry">'
, '<div class="layui-tree-main">'
//箭头
, function () {
if (options.showLine) {
if (hasChild) {
return '<span class="layui-tree-iconClick layui-tree-icon"><i class="layui-icon ' (item.spread ? "layui-icon-subtraction" : "layui-icon-addition") '"></i></span>';
} else {
return '<span class="layui-tree-iconClick"><i class="layui-icon layui-icon-file"></i></span>';
}
;
} else {
return '<span class="layui-tree-iconClick"><i class="layui-tree-iconArrow ' (hasChild ? "" : HIDE) '"></i></span>';
}
;
}()
//复选框
, function () {
return options.showCheckbox ? '<input type="checkbox" name="' (item.field || ('layuiTreeCheck_[]')) '" same="layuiTreeCheck" lay-skin="primary" ' (item.disabled ? "disabled" : "") ' value="' item.id '">' : '';
}()
//节点
, function () {
if (options.isJump && item.href) {
return '<a href="' item.href '" target="_blank" class="' ELEM_TEXT '">' (item.title || item.label || options.text.defaultNodeName) '</a>';
} else {
return '<span class="' ELEM_TEXT (item.disabled ? ' ' DISABLED : '') '">' (item.title || item.label || options.text.defaultNodeName) '</span>';
}
}()
, '</div>'
//节点操作图标
, function () {
if (!options.edit) return '';
var editIcon = {
add: '<i class="layui-icon layui-icon-add-1" data-type="add"></i>'
, update: '<i class="layui-icon layui-icon-edit" data-type="update"></i>'
, del: '<i class="layui-icon layui-icon-delete" data-type="del"></i>'
}, arr = ['<div class="layui-btn-group layui-tree-btnGroup">'];
if (options.edit === true) {
options.edit = ['update', 'del']
}
if (typeof options.edit === 'object') {
layui.each(options.edit, function (i, val) {
arr.push(editIcon[val] || '')
});
return arr.join('') '</div>';
}
}()
, '</div></div>'].join(''));
//如果有子节点，则递归继续生成树
if (hasChild) {
entryDiv.append(packDiv);
that.tree(packDiv, item.children);
}
;
elem.append(entryDiv);
//若有前置节点，前置节点加连接线
if (entryDiv.prev('.' ELEM_SET)[0]) {
entryDiv.prev().children('.layui-tree-pack').addClass('layui-tree-showLine');
}
;
//若无子节点，则父节点加延伸线
if (!hasChild) {
entryDiv.parent('.layui-tree-pack').addClass('layui-tree-lineExtend');
}
;
//展开节点操作
that.spread(entryDiv, item);
//选择框
if (options.showCheckbox) {
item.checked && that.checkids.push(item.id);
that.checkClick(entryDiv, item);
}
//操作节点
options.edit && that.operate(entryDiv, item);
});
};
//展开节点
Class.prototype.spread = function (elem, item) {
var that = this
, options = that.config
, entry = elem.children('.' ELEM_ENTRY)
, elemMain = entry.children('.' ELEM_MAIN)
, elemIcon = entry.find('.' ICON_CLICK)
, elemText = entry.find('.' ELEM_TEXT)
, touchOpen = options.onlyIconControl ? elemIcon : elemMain //判断展开通过节点还是箭头图标
, state = '';
//展开收缩
touchOpen.on('click', function (e) {
var packCont = elem.children('.' ELEM_PACK)
,
iconClick = touchOpen.children('.layui-icon')[0] ? touchOpen.children('.layui-icon') : touchOpen.find('.layui-tree-icon').children('.layui-icon');
//若没有子节点
if (!packCont[0]) {
state = 'normal';
} else {
if (elem.hasClass(ELEM_SPREAD)) {
elem.removeClass(ELEM_SPREAD);
packCont.slideUp(200);
iconClick.removeClass(ICON_SUB).addClass(ICON_ADD);
} else {
elem.addClass(ELEM_SPREAD);
packCont.slideDown(200);
iconClick.addClass(ICON_SUB).removeClass(ICON_ADD);
//是否手风琴
if (options.accordion) {
var sibls = elem.siblings('.' ELEM_SET);
sibls.removeClass(ELEM_SPREAD);
sibls.children('.' ELEM_PACK).slideUp(200);
sibls.find('.layui-tree-icon').children('.layui-icon').removeClass(ICON_SUB).addClass(ICON_ADD);
}
;
}
;
}
;
});
//点击回调
elemText.on('click', function () {
var othis = $(this);
//判断是否禁用状态
if (othis.hasClass(DISABLED)) return;
//判断展开收缩状态
if (elem.hasClass(ELEM_SPREAD)) {
state = options.onlyIconControl ? 'open' : 'close';
} else {
state = options.onlyIconControl ? 'close' : 'open';
}
//点击产生的回调
options.click && options.click({
elem: elem
, state: state
, data: item
});
});
};
//计算复选框选中状态
Class.prototype.setCheckbox = function (elem, item, elemCheckbox) {
var that = this
, options = that.config
, checked = elemCheckbox.prop('checked');
if (elemCheckbox.prop('disabled')) return;
//同步子节点选中状态
if (typeof item.children === 'object' || elem.find('.' ELEM_PACK)[0]) {
//同步子节点选中状态
if (options.contact) {
var childs = elem.find('.' ELEM_PACK).find('input[same="layuiTreeCheck"]');
childs.each(function () {
if (this.disabled) return; //不可点击则跳过
this.checked = checked;
});
}
}
//同步父节点选中状态
var setParentsChecked = function (thisNodeElem) {
//若无父节点，则终止递归
if (!thisNodeElem.parents('.' ELEM_SET)[0]) return;
var state
, parentPack = thisNodeElem.parent('.' ELEM_PACK)
, parentNodeElem = parentPack.parent()
, parentCheckbox = parentPack.prev().find('input[same="layuiTreeCheck"]');
//如果子节点有任意一条选中，则父节点为选中状态
if (checked) {
parentCheckbox.prop('checked', checked);
} else { //如果当前节点取消选中，则根据计算“兄弟和子孙”节点选中状态，来同步父节点选中状态
parentPack.find('input[same="layuiTreeCheck"]').each(function () {
if (this.checked) {
state = true;
}
});
//如果兄弟子孙节点全部未选中，则父节点也应为非选中状态
state || parentCheckbox.prop('checked', false);
}
//向父节点递归
setParentsChecked(parentNodeElem);
};
setParentsChecked(elem);
that.renderForm('checkbox');
};
//复选框选择
Class.prototype.checkClick = function (elem, item) {
var that = this
, options = that.config
, entry = elem.children('.' ELEM_ENTRY)
, elemMain = entry.children('.' ELEM_MAIN);
//点击复选框
elemMain.on('click', 'input[same="layuiTreeCheck"] ', function (e) {
layui.stope(e); //阻止点击节点事件
var elemCheckbox = $(this).prev()
, checked = elemCheckbox.prop('checked');
if (elemCheckbox.prop('disabled')) return;
that.setCheckbox(elem, item, elemCheckbox);
//复选框点击产生的回调
options.oncheck && options.oncheck({
elem: elem
, checked: checked
, data: item
});
});
};
//节点操作
Class.prototype.operate = function (elem, item) {
var that = this
, options = that.config
, entry = elem.children('.' ELEM_ENTRY)
, elemMain = entry.children('.' ELEM_MAIN);
entry.children('.layui-tree-btnGroup').on('click', '.layui-icon', function (e) {
layui.stope(e); //阻止节点操作
var type = $(this).data("type")
, packCont = elem.children('.' ELEM_PACK)
, returnObj = {
data: item
, type: type
, elem: elem
};
//增加
if (type == 'add') {
//若节点本身无子节点
if (!packCont[0]) {
//若开启连接线，更改图标样式
if (options.showLine) {
elemMain.find('.' ICON_CLICK).addClass('layui-tree-icon');
elemMain.find('.' ICON_CLICK).children('.layui-icon').addClass(ICON_ADD).removeClass('layui-icon-file');
//若未开启连接线，显示箭头
} else {
elemMain.find('.layui-tree-iconArrow').removeClass(HIDE);
}
;
//节点添加子节点容器
elem.append('<div class="layui-tree-pack"></div>');
}
;
//新增节点
var key = options.operate && options.operate(returnObj)
, obj = {};
obj.title = options.text.defaultNodeName;
obj.id = key;
that.tree(elem.children('.' ELEM_PACK), [obj]);
//放在新增后面，因为要对元素进行操作
if (options.showLine) {
//节点本身无子节点
if (!packCont[0]) {
//遍历兄弟节点，判断兄弟节点是否有子节点
var siblings = elem.siblings('.' ELEM_SET), num = 1
, parentPack = elem.parent('.' ELEM_PACK);
layui.each(siblings, function (index, i) {
if (!$(i).children('.' ELEM_PACK)[0]) {
num = 0;
}
;
});
//若兄弟节点都有子节点
if (num == 1) {
//兄弟节点添加连接线
siblings.children('.' ELEM_PACK).addClass(ELEM_SHOW);
siblings.children('.' ELEM_PACK).children('.' ELEM_SET).removeClass(ELEM_LINE_SHORT);
elem.children('.' ELEM_PACK).addClass(ELEM_SHOW);
//父级移除延伸线
parentPack.removeClass(ELEM_EXTEND);
//同层节点最后一个更改线的状态
parentPack.children('.' ELEM_SET).last().children('.' ELEM_PACK).children('.' ELEM_SET).last().addClass(ELEM_LINE_SHORT);
} else {
elem.children('.' ELEM_PACK).children('.' ELEM_SET).addClass(ELEM_LINE_SHORT);
}
;
} else {
//添加延伸线
if (!packCont.hasClass(ELEM_EXTEND)) {
packCont.addClass(ELEM_EXTEND);
}
;
//子节点添加延伸线
elem.find('.' ELEM_PACK).each(function () {
$(this).children('.' ELEM_SET).last().addClass(ELEM_LINE_SHORT);
});
//如果前一个节点有延伸线
if (packCont.children('.' ELEM_SET).last().prev().hasClass(ELEM_LINE_SHORT)) {
packCont.children('.' ELEM_SET).last().prev().removeClass(ELEM_LINE_SHORT);
} else {
//若之前的没有，说明处于连接状态
packCont.children('.' ELEM_SET).last().removeClass(ELEM_LINE_SHORT);
}
;
//若是最外层，要始终保持相连的状态
if (!elem.parent('.' ELEM_PACK)[0] && elem.next()[0]) {
packCont.children('.' ELEM_SET).last().removeClass(ELEM_LINE_SHORT);
}
;
}
;
}
;
if (!options.showCheckbox) return;
//若开启复选框，同步新增节点状态
if (elemMain.find('input[same="layuiTreeCheck"]')[0].checked) {
var packLast = elem.children('.' ELEM_PACK).children('.' ELEM_SET).last();
packLast.find('input[same="layuiTreeCheck"]')[0].checked = true;
}
;
that.renderForm('checkbox');
//修改
} else if (type == 'update') {
var text = elemMain.children('.' ELEM_TEXT).html();
elemMain.children('.' ELEM_TEXT).html('');
//添加输入框，覆盖在文字上方
elemMain.append('<input type="text" class="layui-tree-editInput">');
//获取焦点
elemMain.children('.layui-tree-editInput').val(text).focus();
//嵌入文字移除输入框
var getVal = function (input) {
var textNew = input.val().trim();
textNew = textNew ? textNew : options.text.defaultNodeName;
input.remove();
elemMain.children('.' ELEM_TEXT).html(textNew);
//同步数据
returnObj.data.title = textNew;
//节点修改的回调
options.operate && options.operate(returnObj);
};
//失去焦点
elemMain.children('.layui-tree-editInput').blur(function () {
getVal($(this));
});
//回车
elemMain.children('.layui-tree-editInput').on('keydown', function (e) {
if (e.keyCode === 13) {
e.preventDefault();
getVal($(this));
}
;
});
//删除
} else {
layer.confirm('确认删除该节点 "<span style="color: #999;">' (item.title || '') '</span>" 吗？', function (index) {
options.operate && options.operate(returnObj); //节点删除的回调
returnObj.status = 'remove'; //标注节点删除
layer.close(index);
//若删除最后一个，显示空数据提示
if (!elem.prev('.' ELEM_SET)[0] && !elem.next('.' ELEM_SET)[0] && !elem.parent('.' ELEM_PACK)[0]) {
elem.remove();
that.elem.append(that.elemNone);
return;
}
;
//若有兄弟节点
if (elem.siblings('.' ELEM_SET).children('.' ELEM_ENTRY)[0]) {
//若开启复选框
if (options.showCheckbox) {
//若开启复选框，进行下步操作
var elemDel = function (elem) {
//若无父结点，则不执行
if (!elem.parents('.' ELEM_SET)[0]) return;
var siblingTree = elem.siblings('.' ELEM_SET).children('.' ELEM_ENTRY)
, parentTree = elem.parent('.' ELEM_PACK).prev()
, checkState = parentTree.find('input[same="layuiTreeCheck"]')[0]
, state = 1, num = 0;
//若父节点未勾选
if (checkState.checked == false) {
//遍历兄弟节点
siblingTree.each(function (i, item1) {
var input = $(item1).find('input[same="layuiTreeCheck"]')[0]
if (input.checked == false && !input.disabled) {
state = 0;
}
;
//判断是否全为不可勾选框
if (!input.disabled) {
num = 1;
}
;
});
//若有可勾选选择框并且已勾选
if (state == 1 && num == 1) {
//勾选父节点
checkState.checked = true;
that.renderForm('checkbox');
//向上遍历祖先节点
elemDel(parentTree.parent('.' ELEM_SET));
}
;
}
;
};
elemDel(elem);
}
;
//若开启连接线
if (options.showLine) {
//遍历兄弟节点，判断兄弟节点是否有子节点
var siblings = elem.siblings('.' ELEM_SET), num = 1
, parentPack = elem.parent('.' ELEM_PACK);
layui.each(siblings, function (index, i) {
if (!$(i).children('.' ELEM_PACK)[0]) {
num = 0;
}
;
});
//若兄弟节点都有子节点
if (num == 1) {
//若节点本身无子节点
if (!packCont[0]) {
//父级去除延伸线，因为此时子节点里没有空节点
parentPack.removeClass(ELEM_EXTEND);
siblings.children('.' ELEM_PACK).addClass(ELEM_SHOW);
siblings.children('.' ELEM_PACK).children('.' ELEM_SET).removeClass(ELEM_LINE_SHORT);
}
;
//若为最后一个节点
if (!elem.next()[0]) {
elem.prev().children('.' ELEM_PACK).children('.' ELEM_SET).last().addClass(ELEM_LINE_SHORT);
} else {
parentPack.children('.' ELEM_SET).last().children('.' ELEM_PACK).children('.' ELEM_SET).last().addClass(ELEM_LINE_SHORT);
}
;
//若为最外层最后一个节点，去除前一个结点的连接线
if (!elem.next()[0] && !elem.parents('.' ELEM_SET)[1] && !elem.parents('.' ELEM_SET).eq(0).next()[0]) {
elem.prev('.' ELEM_SET).addClass(ELEM_LINE_SHORT);
}
;
} else {
//若为最后一个节点且有延伸线
if (!elem.next()[0] && elem.hasClass(ELEM_LINE_SHORT)) {
elem.prev().addClass(ELEM_LINE_SHORT);
}
;
}
;
}
;
} else {
//若无兄弟节点
var prevDiv = elem.parent('.' ELEM_PACK).prev();
//若开启了连接线
if (options.showLine) {
prevDiv.find('.' ICON_CLICK).removeClass('layui-tree-icon');
prevDiv.find('.' ICON_CLICK).children('.layui-icon').removeClass(ICON_SUB).addClass('layui-icon-file');
//父节点所在层添加延伸线
var pare = prevDiv.parents('.' ELEM_PACK).eq(0);
pare.addClass(ELEM_EXTEND);
//兄弟节点最后子节点添加延伸线
pare.children('.' ELEM_SET).each(function () {
$(this).children('.' ELEM_PACK).children('.' ELEM_SET).last().addClass(ELEM_LINE_SHORT);
});
} else {
//父节点隐藏箭头
prevDiv.find('.layui-tree-iconArrow').addClass(HIDE);
}
;
//移除展开属性
elem.parents('.' ELEM_SET).eq(0).removeClass(ELEM_SPREAD);
//移除节点容器
elem.parent('.' ELEM_PACK).remove();
}
;
elem.remove();
});
}
;
});
};
//部分事件
Class.prototype.events = function () {
var that = this
, options = that.config
, checkWarp = that.elem.find('.layui-tree-checkedFirst');
//初始选中
that.setChecked(that.checkids);
//搜索
that.elem.find('.layui-tree-search').on('keyup', function () {
var input = $(this)
, val = input.val()
, pack = input.nextAll()
, arr = [];
//遍历所有的值
pack.find('.' ELEM_TEXT).each(function () {
var entry = $(this).parents('.' ELEM_ENTRY);
//若值匹配，加一个类以作标识
if ($(this).html().indexOf(val) != -1) {
arr.push($(this).parent());
var select = function (div) {
div.addClass('layui-tree-searchShow');
//向上父节点渲染
if (div.parent('.' ELEM_PACK)[0]) {
select(div.parent('.' ELEM_PACK).parent('.' ELEM_SET));
}
;
};
select(entry.parent('.' ELEM_SET));
}
;
});
//根据标志剔除
pack.find('.' ELEM_ENTRY).each(function () {
var parent = $(this).parent('.' ELEM_SET);
if (!parent.hasClass('layui-tree-searchShow')) {
parent.addClass(HIDE);
}
;
});
if (pack.find('.layui-tree-searchShow').length == 0) {
that.elem.append(that.elemNone);
}
;
//节点过滤的回调
options.onsearch && options.onsearch({
elem: arr
});
});
//还原搜索初始状态
that.elem.find('.layui-tree-search').on('keydown', function () {
$(this).nextAll().find('.' ELEM_ENTRY).each(function () {
var parent = $(this).parent('.' ELEM_SET);
parent.removeClass('layui-tree-searchShow ' HIDE);
});
if ($('.layui-tree-emptyText')[0]) $('.layui-tree-emptyText').remove();
});
};
//得到选中节点
Class.prototype.getChecked = function () {
var that = this
, options = that.config
, checkId = []
, checkData = [];
//遍历节点找到选中索引
that.elem.find('.layui-form-checked').each(function () {
checkId.push($(this).prev()[0].value);
});
//遍历节点
var eachNodes = function (data, checkNode) {
layui.each(data, function (index, item) {
layui.each(checkId, function (index2, item2) {
if (item.id == item2) {
var cloneItem = $.extend({}, item);
delete cloneItem.children;
checkNode.push(cloneItem);
if (item.children) {
cloneItem.children = [];
eachNodes(item.children, cloneItem.children);
}
return true
}
});
});
};
eachNodes($.extend({}, options.data), checkData);
return checkData;
};
//设置选中节点
Class.prototype.setChecked = function (checkedId) {
var that = this
, options = that.config;
//初始选中
that.elem.find('.' ELEM_SET).each(function (i, item) {
var thisId = $(this).data('id')
, input = $(item).children('.' ELEM_ENTRY).find('input[same="layuiTreeCheck"]')
, reInput = input.next();
//若返回数字
if (typeof checkedId === 'number') {
if (thisId == checkedId) {
if (!input[0].checked) {
reInput.click();
}
;
return false;
}
;
}
//若返回数组
else if (typeof checkedId === 'object') {
layui.each(checkedId, function (index, value) {
if (value == thisId && !input[0].checked) {
reInput.click();
return true;
}
});
}
;
});
};
//记录所有实例
thisModule.that = {}; //记录所有实例对象
thisModule.config = {}; //记录所有实例配置项
//重载实例
tree.reload = function (id, options) {
var that = thisModule.that[id];
that.reload(options);
return thisModule.call(that);
};
//获得选中的节点数据
tree.getChecked = function (id) {
var that = thisModule.that[id];
return that.getChecked();
};
//设置选中节点
tree.setChecked = function (id, checkedId) {
var that = thisModule.that[id];
return that.setChecked(checkedId);
};
//核心入口
tree.render = function (options) {
var inst = new Class(options);
return thisModule.call(inst);
};
exports(MOD_NAME, tree);
})//修改的代码
return options.showCheckbox ? '<input type="checkbox" name="' (item.field || ('layuiTreeCheck_[]')) '" same="layuiTreeCheck" lay-skin="primary" ' (item.disabled ? "disabled" : "") ' value="' item.id '">' : '';
//默认配置
Class.prototype.config = {
data: [] //数据
, showCheckbox: false //是否显示复选框
, showLine: true //是否开启连接线
, accordion: false //是否开启手风琴模式
, onlyIconControl: false //是否仅允许节点左侧图标控制展开收缩
, isJump: false //是否允许点击节点时弹出新窗口跳转
, edit: false //是否开启节点的操作图标
, contact: true //是否开启父子联系
, text: {
defaultNodeName: '未命名' //节点默认名称
, none: '无数据' //数据为空时的文本提示
}
};
//同步子节点选中状态
if (typeof item.children === 'object' || elem.find('.' ELEM_PACK)[0]) {
//同步子节点选中状态
if (options.contact) {
var childs = elem.find('.' ELEM_PACK).find('input[same="layuiTreeCheck"]');
childs.each(function () {
if (this.disabled) return; //不可点击则跳过
this.checked = checked;
});
}
}//调用示例
var inst1 = tree.render({
elem: '#tree',
contact: false,
showCheckbox: true,
data: data,
id: "id",
});版权属于：尹深
本文链接：https://cloud.tencent.com/developer/article/1795108
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