打包导出包体文件夹时 将指定文件(夹)自动拷贝到包体内

using UnityEngine;
using UnityEditor;
using UnityEditor.Callbacks;
using System.IO;
public class AfterBuildToDo : Editor
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    [PostProcessBuild(1)]
    public static void AfterBuild(BuildTarget target, string pathToBuiltProject)
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        Debug.Log("Build Success  输出平台: " + target + "  输出路径: " + pathToBuiltProject);
        //打开文件或文件夹
        //System.Diagnostics.Process.Start(pathToBuiltProject);
        if (target == BuildTarget.Android)
        ｛
            //读取源文件路径
            string sourceParh = Application.dataPath + "/Plugins/Android/MyDirectory/MyFile.text";
            //获取拷贝路径 = 打包输出路径 + 包名(打包文件夹名) + 下级路径
            string targetPath = pathToBuiltProject + "/" + PlayerSettings.productName + "/MyDirectory";
            //是否已存在文件夹
            if (!Directory.Exists(targetPath))
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                Directory.CreateDirectory(targetPath);
            ｝
            //拷贝文件(源路径及文件名, 拷贝路径及文件名, 若该文件名已存在,是否替换)
            File.Copy(sourceParh, targetPath + "/MyFile.text", true);
        ｝
    ｝
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