create unity asset bundle

hej.cs

using UnityEditor;
using UnityEngine;

using System;
using System.IO;

class MyEditorScript
{
    const string ASSET_NAME = "Assets/fbx/import.fbx";

    [MenuItem("Assets/orange")]
    static void PerformBuild()
    {
        Console.WriteLine("import asset");
        AssetDatabase.ImportAsset(ASSET_NAME, ImportAssetOptions.ForceSynchronousImport);

        Console.WriteLine("build teh asset bundles");

        // Choose the output path according to the build target.
        string outputPath = Path.Combine("AssetBundles", "Windows");
        if (!Directory.Exists(outputPath))
            Directory.CreateDirectory(outputPath);

        AssetBundleBuild[] buildMap = new AssetBundleBuild[1];

        buildMap[0].assetBundleName = "import";
        string[] enemyAssets = new[] { ASSET_NAME };
        buildMap[0].assetNames = enemyAssets;

        var manifest = BuildPipeline.BuildAssetBundles(outputPath, buildMap);
        if (manifest == null)
        {
            Debug.LogError("no manifest, build failed probably");

        }

        AssetDatabase.DeleteAsset(ASSET_NAME);
    }
}