AssetBundleManifest文件的内容转txt文件输出_androidmanifest转txt

打完补丁包后，补丁包中会有一个Android.ab或者iphone.ab文件，里面记录了所有ab资源的依赖关系，但是这种格式的文件直接打开是看不了的，无论怎么转码都看不了，所以就写了一个编辑器工具用来查看里面的资源依赖关系。（其实打完包后，会附带输出一个manifest文件的，也记录有ab的依赖关系，但是我就是无聊想读Android.ab中的内容，所以简单写了下代码,大佬勿喷）

代码如下：

/********************************************************************
    DateTime:   2021-03-23 23:44:17
    Author:     xiaolin
    Description:加载Android.ab文件，读取为txt文件
*********************************************************************/
using System.Collections;
using System.Collections.Generic;
using System.IO;
using UnityEngine;
using UnityEditor;

public class ReadAndroidABFile : EditorWindow
{
    [MenuItem("开发工具/ShowAndroidABName")]
    private static void OpenShowManifestWindow()
    {
        GetWindow<ReadAndroidABFile>("导出ab文件为txt");
    }
    private string inputPath = null;
    private string outputPath = null;
    private void OnGUI()
    {
        inputPath = EditorGUILayout.TextField("请输入文件路径：", inputPath);
        outputPath = EditorGUILayout.TextField("导出txt文件的路径：", outputPath);

        if (GUILayout.Button("确定", GUILayout.Width(150)))
        {
            if (inputPath == string.Empty)
                Debug.LogError("输入的文件路径不能为空！！！");
            if (!File.Exists(inputPath))
                Debug.LogError("输入的文件路径不存在！！！");
            if (outputPath == string.Empty)
                Debug.LogError("输出的文件路径不能为空！！！");
            ReadABFile();
            Debug.Log("导出完成 !");
        }
    }


    public void ReadABFile()
    {
        AssetBundleManifest manifest = new AssetBundleManifest();
        //string manifestFileUrl = @"C:\Users\Administrator\Desktop\ver_1.0.1.167_android_644428_20210323222358/Android.ab";
        Stream stream = File.Open(inputPath, FileMode.Open, FileAccess.Read, FileShare.Read);
        if (stream == null)
        {
            Debug.LogError("文件不存在:" + inputPath);
            return;
        }
        else
        {
            byte[] bytes = new byte[stream.Length];
            stream.Read(bytes, 0, bytes.Length);
            stream.Seek(0, SeekOrigin.Begin);

            try
            {
                AssetBundle assetBundle = AssetBundle.LoadFromMemory(bytes);

                manifest = assetBundle.LoadAsset("AssetBundleManifest") as AssetBundleManifest;

                assetBundle.Unload(false);
            }
            catch (System.Exception e)
            {
                Debug.LogError("加载文件AssetBundleManifest文件异常，路径：" + inputPath + "           异常信息：" + e.ToString());
                return;
            }
        }
        stream.Close();
        string[] allAssetBundles = manifest.GetAllAssetBundles();
        using (StreamWriter sw = new StreamWriter(outputPath))//(@"C:\Users\Administrator\Desktop\Android.txt"))
        {
            for (int i = 0; i < allAssetBundles.Length; i++)
            {
                sw.WriteLine(allAssetBundles[i]);
                string[] abDependencies = manifest.GetDirectDependencies(allAssetBundles[i]);//获取 AssetBundle 直接依赖
                for (int j = 0; j < abDependencies.Length; j++)
                {
                    sw.WriteLine(abDependencies[j]);
                }
                sw.WriteLine("---------------------------------------------------------");
                //Debug.Log(allAssetBundles[i]);
            }
        }
    }
}
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