在asp.net股利截图(Div screenshot in asp.net)

2019-10-18 00:26发布

我想带一个div元素的屏幕截图在asp.net和其保存到磁盘。 我不想用html2canvas库或HTML5 canvas元素。 方法可以是服务器端或客户端。

Answer 1:

未经测试,但发现这一点:

public Bitmap GenerateScreenshot(string url, int width, int height)
{
    // Load the webpage into a WebBrowser control
    WebBrowser wb = new WebBrowser();
    wb.ScrollBarsEnabled = false;
    wb.ScriptErrorsSuppressed = true;
    wb.Navigate(url);
    while (wb.ReadyState != WebBrowserReadyState.Complete) 
    { 
        Application.DoEvents(); 
    }

    // Set the size of the WebBrowser control
    wb.Width = width;
    wb.Height = height;

    if (width == -1)
    {
        // Take Screenshot of the web pages full width
        wb.Width = wb.Document.Body.ScrollRectangle.Width;
    }

    if (height == -1)
    {
        // Take Screenshot of the web pages full height
        wb.Height = wb.Document.Body.ScrollRectangle.Height;
    }

    // Get a Bitmap representation of the webpage as it's rendered in the WebBrowser control
    Bitmap bitmap = new Bitmap(wb.Width, wb.Height);
    wb.DrawToBitmap(bitmap, new Rectangle(0, 0, wb.Width, wb.Height));
    wb.Dispose();

    return bitmap;
}

http://pietschsoft.com/post/2008/07/c-generate-webpage-thumbmail-screenshot-image.aspx



文章来源: Div screenshot in asp.net