好吧,我在这里不知所措 . 我试图下载一个jar文件,然后制作一个运行它的批处理文件 . 我之前能够使用我的代码下载此文件,但现在已经完成的事件触发了(我想,因为它里面的代码运行 . 抱歉我是C#的新手 . )但是没有文件下载 . 我添加了一个新的按钮,只有下载代码,文件就在那里,但它只是显示为0KB . 使用我当前的代码,甚至没有任何东西出现在Fiddler中 . 我使用IP地址跳过DNS检查,我将代理设置为null . (我在某处读到这样做会阻止它挂起 . 我想 . 这是关于Web代理自动检测的东西 . )我可以验证下载链接(我没有在这里显示,除非你需要它)是真实的只需在Web浏览器中打开即可下载文件 . 无论如何,这是我的代码片段:
WebClient wc1 = new WebClient();
wc1.DownloadFileCompleted += new AsyncCompletedEventHandler(wc1_DownloadFileCompleted);
wc1.DownloadProgressChanged += new DownloadProgressChangedEventHandler(wc1_DownloadProgressChanged);
if (cmboboxVersion.SelectedText == ...)
{
stsprgsbar.Style = ProgressBarStyle.Continuous;
stslblStaus.Text = "Downloading files...";
wc1.DownloadFileAsync(new Uri(...), @txtboxFolder.Text + "\\jarfile.jar");
FileStream fs = new FileStream(@txtboxFolder.Text + "\\batfile.bat", FileMode.Create, FileAccess.ReadWrite);
StreamWriter sw = new StreamWriter(fs);
sw.WriteLine(...);
sw.Close();
fs.Close();
}
else if (cmboboxVersion.SelectedText == ...)
{
stsprgsbar.Style = ProgressBarStyle.Continuous;
stslblStaus.Text = "Downloading files...";
wc1.DownloadFileAsync(new Uri(...), @txtboxFolder.Text + "\\jarfile.jar");
FileStream fs = new FileStream(@txtboxFolder.Text + "\\batfile.bat", FileMode.Create, FileAccess.ReadWrite);
StreamWriter sw = new StreamWriter(fs);
sw.WriteLine(...);
sw.Close();
fs.Close();
}
else
{
stsprgsbar.Style = ProgressBarStyle.Continuous;
stslblStaus.Text = "Downloading files...";
wc1.DownloadFileAsync(new Uri(...), @txtboxFolder.Text + "\\jarfile.jar");
FileStream fs = new FileStream(@txtboxFolder.Text + "\\batfile.bat", FileMode.Create, FileAccess.ReadWrite);
StreamWriter sw = new StreamWriter(fs);
sw.WriteLine(...);
sw.Close();
fs.Close();
}
}
public void wc1_DownloadProgressChanged(object sender, DownloadProgressChangedEventArgs e)
{
stsprgsbar.Value = e.ProgressPercentage;
}
public void wc1_DownloadFileCompleted(object sender, AsyncCompletedEventArgs e)
{
string BatPath = @txtboxFolder.Text + "\\batfile.bat";
stsprgsbar.Style = ProgressBarStyle.Marquee;
stslblStaus.Text = "Generating files...";
ProcessStartInfo pro = new ProcessStartInfo(BatPath);
//pro.CreateNoWindow = true;
Process.Start(pro);
}
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