当前路径：static/layui/lay/modules/tree.js
/** layui-v2.5.6 MIT License By https://www.layui.com */
 ;layui.define("form",function(e){"use strict";var i=layui.$,a=layui.form,n=layui.layer,t="tree",r={config:{},index:layui[t]?layui[t].index+1e4:0,set:function(e){var a=this;return a.config=i.extend({},a.config,e),a},on:function(e,i){return layui.onevent.call(this,t,e,i)}},l=function(){var e=this,i=e.config,a=i.id||e.index;return l.that[a]=e,l.config[a]=i,{config:i,reload:function(i){e.reload.call(e,i)},getChecked:function(){return e.getChecked.call(e)},setChecked:function(i){return e.setChecked.call(e,i)}}},c="layui-hide",d="layui-disabled",s="layui-tree-set",o="layui-tree-iconClick",h="layui-icon-addition",u="layui-icon-subtraction",p="layui-tree-entry",f="layui-tree-main",y="layui-tree-txt",v="layui-tree-pack",C="layui-tree-spread",k="layui-tree-setLineShort",m="layui-tree-showLine",x="layui-tree-lineExtend",b=function(e){var a=this;a.index=++r.index,a.config=i.extend({},a.config,r.config,e),a.render()};b.prototype.config={data:[],showCheckbox:!1,showLine:!0,accordion:!1,onlyIconControl:!1,isJump:!1,edit:!1,text:{defaultNodeName:"未命名",none:"无数据"}},b.prototype.reload=function(e){var a=this;layui.each(e,function(e,i){i.constructor===Array&&delete a.config[e]}),a.config=i.extend(!0,{},a.config,e),a.render()},b.prototype.render=function(){var e=this,a=e.config;e.checkids=[];var n=i('<div class="layui-tree'+(a.showCheckbox?" layui-form":"")+(a.showLine?" layui-tree-line":"")+'" lay-filter="LAY-tree-'+e.index+'"></div>');e.tree(n);var t=a.elem=i(a.elem);if(t[0]){if(e.key=a.id||e.index,e.elem=n,e.elemNone=i('<div class="layui-tree-emptyText">'+a.text.none+"</div>"),t.html(e.elem),0==e.elem.find(".layui-tree-set").length)return e.elem.append(e.elemNone);a.showCheckbox&&e.renderForm("checkbox"),e.elem.find(".layui-tree-set").each(function(){var e=i(this);e.parent(".layui-tree-pack")[0]||e.addClass("layui-tree-setHide"),!e.next()[0]&&e.parents(".layui-tree-pack").eq(1).hasClass("layui-tree-lineExtend")&&e.addClass(k),e.next()[0]||e.parents(".layui-tree-set").eq(0).next()[0]||e.addClass(k)}),e.events()}},b.prototype.renderForm=function(e){a.render(e,"LAY-tree-"+this.index)},b.prototype.tree=function(e,a){var n=this,t=n.config,r=a||t.data;layui.each(r,function(a,r){var l=r.children&&r.children.length>0,o=i('<div cla...