AssetDatabase.Refresh

描述

导入所有更改的资源。

此函数将导入已更改其内容修改数据或已在项目文件夹中添加/删除的所有资源。

此方法会隐式触发资源垃圾回收（请参阅 Resources.UnloadUnusedAssets）。

另请参阅：ImportAssetOptions。

using System.Collections.Generic;
using System.IO;
using UnityEditor;
using UnityEngine;

public class AssetDatabaseExamples : MonoBehaviour
{
    [MenuItem("AssetDatabase/Refresh Example")]
    public static void RefreshExample()
    {
        var folderList = new List<string>{"Textures", "Models", "Sounds"};
        foreach (var folder in folderList)
        {
            Directory.CreateDirectory($"Assets/{folder}");
        }

        foreach (var folder in folderList)
        {
            //Output will be false
            Debug.Log(AssetDatabase.IsValidFolder($"Assets/{folder}"));
        }

        AssetDatabase.Refresh();
        foreach (var folder in folderList)
        {
            //Output will be true
            Debug.Log(AssetDatabase.IsValidFolder($"Assets/{folder}"));
        }
    }
}