HeavenStudio/Assets/Editor/CreateAssetBundles.cs

using System.IO;
using System;
using System.Collections.Generic;
using System.Linq;
using UnityEditor;
using UnityEditor.Build;
using UnityEditor.Build.Reporting;
using UnityEngine;

public class CreateAssetBundles
{
    [MenuItem("Assets/Build AssetBundles/Current Platform")]
    static void BuildAllAssetBundlesCurrPlatform()
    {
        string assetBundleDirectory = "Assets/StreamingAssets";
        if (!Directory.Exists(Application.streamingAssetsPath))
        {
            Directory.CreateDirectory(assetBundleDirectory);
        }
        BuildPipeline.BuildAssetBundles(assetBundleDirectory, BuildAssetBundleOptions.ChunkBasedCompression, EditorUserBuildSettings.activeBuildTarget);
    }

    [MenuItem("Assets/Build AssetBundles/Windows")]
    static void BuildAllAssetBundlesWindows()
    {
        string assetBundleDirectory = "Assets/StreamingAssets/Windows";
        if (!Directory.Exists(Application.streamingAssetsPath))
        {
            Directory.CreateDirectory(assetBundleDirectory);
        }
        BuildPipeline.BuildAssetBundles(assetBundleDirectory, BuildAssetBundleOptions.ChunkBasedCompression, BuildTarget.StandaloneWindows);
    }

    [MenuItem("Assets/Build AssetBundles/Linux")]
    static void BuildAllAssetBundlesLinux()
    {
        string assetBundleDirectory = "Assets/StreamingAssets/Linux";
        if (!Directory.Exists(Application.streamingAssetsPath))
        {
            Directory.CreateDirectory(assetBundleDirectory);
        }
        BuildPipeline.BuildAssetBundles(assetBundleDirectory, BuildAssetBundleOptions.ChunkBasedCompression, BuildTarget.StandaloneLinux64);
    }

    [MenuItem("Assets/Build AssetBundles/Mac")]
    static void BuildAllAssetBundlesMacOS()
    {
        string assetBundleDirectory = "Assets/StreamingAssets/Mac";
        if (!Directory.Exists(Application.streamingAssetsPath))
        {
            Directory.CreateDirectory(assetBundleDirectory);
        }
        BuildPipeline.BuildAssetBundles(assetBundleDirectory, BuildAssetBundleOptions.ChunkBasedCompression, BuildTarget.StandaloneOSX);
    }
}