public Downloader(string url, string savePath, string version)
{
_url = url;
_savePath = savePath;
string saveDir = Path.GetDirectoryName(savePath);
if (Directory.Exists(saveDir) == false)
{
Directory.CreateDirectory(saveDir);
}
_client = new DownloadWebClient();
_client.DownloadProgressChanged += OnDownloadProgressChanged;
_client.DownloadFileCompleted += OnDownloadFileCompleted;
string flag;
if (url.Contains("?"))
{
flag = "&";
}
else
{
flag = "?";
}
url += string.Format("{0}unity_download_ver={1}", flag, version);
Uri uri = new Uri(url);
_client.DownloadFileAsync(uri, savePath);
}
/// <summary>
///
/// </summary>
/// <param name="url">下载的文件地址</param>
/// <param name="savePath">文件保存的地址</param>
/// <param name="isAutoDeleteWrongFile">是否自动删除未下完的文件</param>
public Downloader(string url, string savePath, bool isAutoDeleteWrongFile = true)
{
_isAutoDeleteWrongFile = isAutoDeleteWrongFile;
_savePath = savePath;
_client = new DownloadWebClient();
_client.DownloadProgressChanged += OnDownloadProgressChanged;
_client.DownloadFileCompleted += OnDownloadFileCompleted;
Uri uri = new Uri(url);
_client.DownloadFileAsync(uri, savePath);
}
/// <summary>
/// 初始化下载类
/// </summary>
/// <param name="url">下载文件的URL地址</param>
/// <param name="savePath">保存文件的本地地址</param>
/// <param name="version">URL对应文件的版本号</param>
public Downloader(string url, string savePath, string version = null)
{
_url = url;
_savePath = savePath;
string saveDir = Path.GetDirectoryName(savePath);
if (Directory.Exists(saveDir) == false)
{
Directory.CreateDirectory(saveDir);
}
_client = new DownloadWebClient();
_client.DownloadProgressChanged += OnDownloadProgressChanged;
_client.DownloadFileCompleted += OnDownloadFileCompleted;
if (null != version)
{
string flag;
if (url.Contains("?"))
{
flag = "&";
}
else
{
flag = "?";
}
url += string.Format("{0}unity_download_ver={1}", flag, version);
}
try
{
Uri uri = new Uri(url);
var serverPoint = ServicePointManager.FindServicePoint(uri);
serverPoint.ConnectionLimit = downloadConnectionLimit;
_progress = 0;
_lastProgressChangedDT = DateTime.Now;
_client.DownloadFileAsync(uri, savePath);
}
catch (Exception ex)
{
_isDone = true;
_error = ex.Message;
}
}
/// <summary>
/// Overridden to localize and start the download process
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void OnLoad(object sender, EventArgs e)
{
// Localize
Text = Resources.Title_DownloadUpdateForm;
messageLabel.Text = string.Format(CultureInfo.CurrentCulture, Resources.Text_DownloadProgressMessageFormat_Version,
_versionInfo.Version);
cancelButton.Text = Resources.Label_Cancel;
// Initialize this dialog result
Downloaded = false;
// Temp file for Zip
DownloadedZipFile = Path.GetTempFileName();
if (File.Exists(DownloadedZipFile))
{
File.Delete(DownloadedZipFile);
}
DownloadedZipFile += ".zip";
if (File.Exists(DownloadedZipFile))
{
File.Delete(DownloadedZipFile);
}
// Initiate download, create a temp file
DownloadedSetupFile = Path.Combine(Path.GetDirectoryName(DownloadedZipFile), "DC.Crayon.Wlw.Setup.msi");
if (File.Exists(DownloadedSetupFile))
{
File.Delete(DownloadedSetupFile);
}
// Start download to file
_webClient = new DownloadWebClient(Utils.CookieContainer);
_webClient.UserAgent = Utils.UserAgent;
_webClient.Accept = _versionInfo.DownloadContentType;
progressBar.Maximum = 1000000;
_webClient.DownloadProgressChanged += this.OnDownloadProgress;
_webClient.DownloadFileCompleted += this.OnDownloadCompleted;
_webClient.DownloadFileAsync(new Uri(_versionInfo.DownloadUrl, UriKind.Absolute), DownloadedZipFile);
}
