AssetBundle框架之辅助类PathTools

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class PathTools
{

    //需要打包的资源路径常量
    public const string AB_RESOURCES = "AB_Res";

    //获取需要打包的资源路径
    public static string GetABResourcesPath()
    {
        return Application.dataPath + "/" + AB_RESOURCES;
    }

    //Application.streamingAssetsPath
    /// <summary>
    /// 获取AB包输出路径
    /// 算法
    ///     1：平台（PC/移动端）路径
    ///     2：平台的名称
    /// </summary>
    /// <returns></returns>
    public static string GetABOutPath()
    {
        return GetPlatformPath() + "/" + GetPlatformName();
    }

    /// <summary>
    /// 获取平台路径 资源解压路径
    /// </summary>
    /// <returns></returns>
    private static string GetPlatformPath()
    {
        string strReturnPlaformPath = string.Empty;

        switch (Application.platform)
        {
            case RuntimePlatform.WindowsEditor:
            case RuntimePlatform.WindowsPlayer:
                strReturnPlaformPath = Application.streamingAssetsPath;
                break;
            case RuntimePlatform.IPhonePlayer:
            case RuntimePlatform.Android:
                strReturnPlaformPath = Application.persistentDataPath;
                break;
            default:
                break;
        }

        return strReturnPlaformPath;
    }


    /// <summary>
    /// 获取平台的名称
    /// </summary>
    /// <returns></returns>
    public static string GetPlatformName()
    {
        string strReturnPlaformName = string.Empty;

        switch (Application.platform)
        {
            case RuntimePlatform.WindowsEditor:
            case RuntimePlatform.WindowsPlayer:
                strReturnPlaformName = "Windows";
                break;
            case RuntimePlatform.IPhonePlayer:
                strReturnPlaformName = "IPhone";
                break;
            case RuntimePlatform.Android:
                strReturnPlaformName = "Android";
                break;
            default:
                break;
        }

        return strReturnPlaformName;
    }


    /// <summary>
    /// 获取下载Ab包资源路径
    /// </summary>
    /// <returns></returns>
    public static string GetABPath()
    {
        string strReturnPath = string.Empty;
        switch (Application.platform)
        {
            case RuntimePlatform.Android:
                strReturnPath = "jar:file://" + GetABOutPath();
                break;
            case RuntimePlatform.WindowsPlayer:
            case RuntimePlatform.WindowsEditor:
                strReturnPath = "file://" + GetABOutPath();
                break;
            case RuntimePlatform.IPhonePlayer:
                strReturnPath = GetABOutPath() + "/Raw/";
                break;
            default:
                break;
        }
        return strReturnPath;
    }

}

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