public delegate void DownloadPictureCallback(string strFileName, int retCode, string err); //retCode: 下载图片的自定义错误码， err: 下载错误信息
public bool DownloadPicture(string strFile, int timeout, DownloadPictureCallback callback)
{
string url = _ServerConfigParams.GetCustomPicDownloadUrl();
string fullPath = Path.Combine(EntryPoint.Instance.CustomPicDir, strFile);
string md5 = Util.md5file(fullPath);
string realUrl = HobaText.Format(url, strFile, md5);
StartCoroutine(DownloadPictureFromUrl(strFile, realUrl, timeout, callback));
return(true);
}
private IEnumerator DownloadPictureFromUrl(string strFileName, string url, int timeout, DownloadPictureCallback callback)
{
yield return(new WaitForEndOfFrame());
string strFile = Path.Combine(EntryPoint.Instance.CustomPicDir, strFileName);
string contentType = Patcher.GetUrlContentType(url, timeout);
int retCode = 0;
if (contentType.StartsWith("text/"))
{
string tmpPath = Path.Combine(EntryPoint.Instance.TmpPath, "tmp.txt");
string errMsg;
var code = Patcher.FetchByUrl(url, tmpPath, timeout, out errMsg);
if (code == Downloader.DownloadTaskErrorCode.Success)
{
try
{
var bytes = File.ReadAllBytes(tmpPath);
var chars = System.Text.Encoding.UTF8.GetChars(bytes);
string str = new string(chars, 0, chars.Length);
retCode = int.Parse(str);
}
catch (Exception)
{
retCode = -1;
}
}
else
{
retCode = -1;
}
callback(strFileName, retCode, null);
}
else //下载图片
{
UnityWebRequest request = UnityWebRequest.Get(url);
string authorizationValue = GameCustomConfigParams.Authorization;
request.SetRequestHeader("Authorization", authorizationValue);
yield return(request.Send());
int resCode = -1;
if (request.responseCode == 200)
{
var dic = JsonUtility.FromJson <URLResult>(request.downloadHandler.text);
url = dic.url;
request = UnityWebRequest.Get(url);
yield return(request.Send());
if (request.responseCode == 200)
{
if (!FileOperate.MakeDir(strFile))
{
Common.HobaDebuger.LogWarning(HobaText.Format("[FetchByUrl] MakeDir {0} Failed!", strFileName));
}
if (FileOperate.IsFileExist(strFile))
{
FileOperate.DeleteFile(strFile);
}
var streamFile = new FileStream(strFile, FileMode.OpenOrCreate);
streamFile.Write(request.downloadHandler.data, 0, (int)request.downloadedBytes);
streamFile.Close();
//string errMsg;
//var code = Patcher.FetchByUrl(url, strFile, timeout, out errMsg);
if (dic.resCode == (int)Downloader.DownloadTaskErrorCode.Success)
{
callback(strFileName, retCode, null);
}
else
{
callback(strFileName, retCode, HobaText.Format("{0}, {1}", (int)dic.resCode, url));
}
}
else
{
callback(strFileName, retCode, HobaText.Format("{0}, {1}", (int)resCode, url));
}
}
else
{
callback(strFileName, retCode, HobaText.Format("{0}, {1}", (int)resCode, url));
}
}
}
