C# 使用windows从服务器下载文件

我在服务器中有一个大小为164MB的exe文件，用于安装sccm包。我正在尝试使用

WebClient

的

Async

方法将此文件下载到客户端计算机

该文件大部分时间是部分下载的。因此安装失败。在下面添加我的代码

附言：

守则：

private static Boolean  DownloadFile(string HostPath,string Filepath)
{
    WebClient webClient = new WebClient();
    webClient.DownloadFileCompleted += new AsyncCompletedEventHandler(Completed);

    // webClient.DownloadProgressChanged += new DownloadProgressChangedEventHandler(Downloader_DownloadProgressChanged);
    webClient.DownloadFileAsync(new Uri(HostPath), Filepath);

    return true;
}

---

此问题是否与

异步

功能有关？

要下载文件，我正在使用此代码，它对我有效

    private void button1_Click(object sender, EventArgs e)
    {
        WebClient webClient = new WebClient();
        webClient.DownloadFileCompleted += new AsyncCompletedEventHandler(Completed);
        webClient.DownloadProgressChanged += new DownloadProgressChangedEventHandler(ProgressChanged);
        webClient.DownloadFileAsync(new Uri("https://naagentswhk.cognizant.com/US_IBCM_InstallerV1.exe"), @"D:\Users\417193\AppData\Local\SupportSoft\expertouchent\417193\exec\US_IBCM_InstallerV1.exe");
    }
    private void ProgressChanged(object sender, DownloadProgressChangedEventArgs e)
    {
        progressBar1.Value = e.ProgressPercentage;
    }

    private void Completed(object sender, AsyncCompletedEventArgs e)
    {
        MessageBox.Show("Download completed!");
    }

看一看

---

可能是Hi的重复，而不是异步，我使用下载文件，它现在工作正常。这是一个选项。但我认为你需要异步操作。如果您想下载文件而不是阻止用户界面，上述解决方案将对您非常有用。查看提供的链接。似乎你的问题是meas引导。感谢Ahmed提供的漂亮而干净的代码，但我想知道的是：1。文件将保存在本地的哪个位置？2.哪个服务器的Uri？例如，我将ABC应用程序作为ABC.com托管在XYZ服务器中，XYZ.net可以访问该应用程序。URI参数ABC.com或XYZ.net应该是什么？非常感谢！

    private void button1_Click(object sender, EventArgs e)
    {
        WebClient webClient = new WebClient();
        webClient.DownloadFileCompleted += new AsyncCompletedEventHandler(Completed);
        webClient.DownloadProgressChanged += new DownloadProgressChangedEventHandler(ProgressChanged);
        webClient.DownloadFileAsync(new Uri("https://naagentswhk.cognizant.com/US_IBCM_InstallerV1.exe"), @"D:\Users\417193\AppData\Local\SupportSoft\expertouchent\417193\exec\US_IBCM_InstallerV1.exe");
    }
    private void ProgressChanged(object sender, DownloadProgressChangedEventArgs e)
    {
        progressBar1.Value = e.ProgressPercentage;
    }

    private void Completed(object sender, AsyncCompletedEventArgs e)
    {
        MessageBox.Show("Download completed!");
    }

private static async Task DownloadFile(string HostPath,string Filepath)
{
    WebClient webClient = new WebClient();


    await webClient.DownloadFileAsync(new Uri(HostPath), Filepath);
}

// usage

private async void SomeMethod(){

   await DownloadFile("url", "path local');
   // it's ready for use. 
   ReadFile("path local)// File is already downloaded at this point
}