XiuXianGame/Assets/Scripts/Core/DownloadFile/WXDownload.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.Networking;
using Utility;
#if UNITY_WEBGL || UNITY_EDITOR  
using WeChatWASM;
#endif

public class WXDownload : Singleton<WXDownload>
{
    public void DownLoad(string url, string fileName, System.Action<bool> finish)
    {
#if UNITY_WEBGL || UNITY_EDITOR        
        DownloadFileOption fileOption = new DownloadFileOption();
        fileOption.url = url;
        fileOption.filePath = GetPluginCachePath() + "/" + fileName;
        fileOption.fail = delegate(GeneralCallbackResult result)
        {
            Debug.LogError(url + "下载失败" + result.errMsg);
            finish?.Invoke(false);
        };
        fileOption.success = delegate(DownloadFileSuccessCallbackResult result)
        {
            finish?.Invoke(true);
            // Debug.Log(url + "下载成功");
        };
        WX.DownloadFile(fileOption);
#elif UNITY_ANDROID
        UnityWebRequest unityWebRequest = UnityWebRequest.Get(url);
        unityWebRequest.downloadHandler = new DownloadHandlerBuffer();
        var unityWebRequestAsyncOperation  =  unityWebRequest.SendWebRequest();
        unityWebRequestAsyncOperation.completed += operation =>
        {
        
            if (unityWebRequest.result == UnityWebRequest.Result.Success)
            {
                finish?.Invoke(true);
            }
            else
            {
                Debug.LogError(url + "下载失败" + unityWebRequest.result);
                finish?.Invoke(false);
            }
         
        };
#endif
    }
    public string GetCachePath(string url)
    { 
#if UNITY_WEBGL || UNITY_EDITOR       
        return WX.GetCachePath(url);
#elif UNITY_ANDROID
        return url;
#endif
        
    }

    public string GetPluginCachePath()
    {
#if UNITY_WEBGL || UNITY_EDITOR    
        return WX.PluginCachePath;
#elif UNITY_ANDROID
    return Application.persistentDataPath;
#endif
    }
}