/// <summary>
/// 获取下载文件的大小和最后修改时间
/// </summary>
/// <param name="url"></param>
/// <param name="onGetRemoteFileInfo"></param>
/// <returns></returns>
public static IEnumerator GetRemoteFileInfo(string fileName, OnGetRemoteFileInfo onGetRemoteFileInfo)
{
string url = BaseDownloadingURL + fileName;
using (UnityWebRequest request = UnityWebRequest.Head(url))
{
yield return(request.Send());
if (request.isError)
{
string error = string.Format("GetRemoteFileInfo - url: {0}, responseCode: {1}, error: {2}",
url, request.responseCode, request.error);
onGetRemoteFileInfo(fileName, error, 0, DateTime.Now);
yield break;
}
string strLength = request.GetResponseHeader("Content-Length");
if (string.IsNullOrEmpty(strLength))
{
onGetRemoteFileInfo(fileName, "GetRemoteFileInfo - can not get Content-Length", 0, DateTime.Now);
yield break;
}
long fileSize = Convert.ToInt64(strLength);
string strDateTime = request.GetResponseHeader("Last-Modified");
if (string.IsNullOrEmpty(strDateTime))
{
onGetRemoteFileInfo(fileName, "GetRemoteFileInfo - can not get Last-Modified", 0, DateTime.Now);
yield break;
}
DateTime lastModified = DateTime.Parse(strDateTime);
onGetRemoteFileInfo(fileName, null, fileSize, lastModified);
}
}
/// <summary>
/// 获取下载文件的大小和最后修改时间
/// </summary>
/// <param name="url"></param>
/// <param name="onGetRemoteFileInfo"></param>
/// <returns></returns>
public static IEnumerator GetRemoteFileInfo(string fileName, OnGetRemoteFileInfo onGetRemoteFileInfo)
{
string url = BaseDownloadingURL + fileName;
using (UnityWebRequest request = UnityWebRequest.Head(url))
{
yield return request.Send();
if (request.isError)
{
string error = string.Format("GetRemoteFileInfo - url: {0}, responseCode: {1}, error: {2}",
url, request.responseCode, request.error);
onGetRemoteFileInfo(fileName, error, 0, DateTime.Now);
yield break;
}
string strLength = request.GetResponseHeader("Content-Length");
if (string.IsNullOrEmpty(strLength))
{
onGetRemoteFileInfo(fileName, "GetRemoteFileInfo - can not get Content-Length", 0, DateTime.Now);
yield break;
}
long fileSize = Convert.ToInt64(strLength);
string strDateTime = request.GetResponseHeader("Last-Modified");
if (string.IsNullOrEmpty(strDateTime))
{
onGetRemoteFileInfo(fileName, "GetRemoteFileInfo - can not get Last-Modified", 0, DateTime.Now);
yield break;
}
DateTime lastModified = DateTime.Parse(strDateTime);
onGetRemoteFileInfo(fileName, null, fileSize, lastModified);
}
}
