XiuXianGame/Assets/Editor/UIAsset/CombatSever.uxml

<ui:UXML xmlns:ui="UnityEngine.UIElements" xmlns:uie="UnityEditor.UIElements"
         xsi="http://www.w3.org/2001/XMLSchema-instance" engine="UnityEngine.UIElements" editor="UnityEditor.UIElements"
         MemoryProfiler="Unity.MemoryProfiler.Editor"
         noNamespaceSchemaLocation="../../../UIElementsSchema/UIElements.xsd" editor-extension-mode="True">
    <Style src="project://database/Assets/Editor/UIAsset/simulationcombat.uss?fileID=7433441132597879392&amp;guid=bf52d4e27ec60304983448140ac1384d&amp;type=3#simulationcombat"/>
    <ui:VisualElement class="ve_h">
        <ui:Button text="启动服务器" display-tooltip-when-elided="true"/>
        <ui:Button text="启动服务器" display-tooltip-when-elided="true"/>
        <uie:EnumField label="战斗类型" value="Center" style="width: 292px;"/>
    </ui:VisualElement>
    <ui:Foldout text="我方英雄" value="true">
        <ui:Foldout text="Foldout" class="foldout_x">
            <uie:IntegerField label="英雄ID" value="42"/>
            <ui:Foldout text="Foldout"/>
        </ui:Foldout>
    </ui:Foldout>
</ui:UXML>