/// <summary>
/// 异步下载文件
/// </summary>
/// <param name="serverPath"></param>
private void DownloadFileAsync(string serverPath)
{
if (serverPath.Length <= 0 || string.IsNullOrEmpty(serverPath))
{
return;
}
if (webcDownloading == null)
{
return;
}
try
{
//将下载地址转换为Uri类
System.Uri serverUri = new System.Uri(serverPath);
//下载后保存的文件位置及名称
string filePath = string.Empty;
filePath = string.Format("{0}\\{1}", this.DownSavePath, this.DownSaveFile);
//WebClient异步下载文件
AsyncOperation asyncOp;
//暂时没做暂停，继续下载功能，支持断点续传
webcDownloading.DownloadFileAsync(serverUri, filePath);
}
// 'down(serverUri.OriginalString, 0, filePath)
catch (Exception ex)
{
//myMsgbox(string.Format("下载文件时出错，出错信息:{0}", ex.Message), "提示信息", MessageBoxButtons.OK, SystemIcons.Error);
}
}
/// <summary>抓取远程头像</summary>
/// <param name="user"></param>
/// <returns></returns>
public virtual Boolean FetchAvatar(IManageUser user)
{
var av = user.GetValue("Avatar") as String;
if (av.IsNullOrEmpty())
{
throw new Exception("用户头像不存在 " + user);
}
var url = av;
if (!url.StartsWithIgnoreCase("http"))
{
return(false);
}
// 不要扩展名
var set = Setting.Current;
av = set.AvatarPath.CombinePath(user.ID + "").GetFullPath();
// 头像是否已存在
if (File.Exists(av))
{
return(false);
}
av.EnsureDirectory(true);
try
{
var wc = new WebClientX(true, true);
Task.Factory.StartNew(() => wc.DownloadFileAsync(url, av)).Wait(5000);
//// 更新头像
//user.SetValue("Avatar", "/Sso/Avatar/" + user.ID);
return(true);
}
catch (Exception ex)
{
XTrace.WriteException(ex);
}
return(false);
}