unity获取一个目录下的所有prefab路径

目录结构：

获取Prefab下的所有prefab

using System;
using System.IO;
using UnityEditor;
using UnityEngine;

public class Test
{
    [MenuItem("BuildTool/Lugs")]
    static void LugsTest()
    {
        string path = "Assets/UI/Prefab";
        GetAllPrefabs(path);
    }

    static void GetAllPrefabs(string directory)
    {
        if (string.IsNullOrEmpty(directory) || !directory.StartsWith("Assets"))
            throw new ArgumentException("folderPath");

        string[] subFolders = Directory.GetDirectories(directory);
        string[] guids = null;
        string[] assetPaths = null;
        int i = 0, iMax = 0;
        foreach (var folder in subFolders)
        {
            g