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myWebBrowser.Document.ExecCommand("selectAll", false, "true");
myWebBrowser.Document.ExecCommand("Copy", false, "true");
myWebBrowser.Document.ExecCommand("selectAll", false, "true");
myWebBrowser.Document.ExecCommand("Copy", false, "true");
[/quote]
第三个参数 你可以当作是命令的附带参数 比如
("Save",false,"C:\\123.html");using System;
using System.Drawing;
using System.Threading;
using System.Windows.Forms;
/// <summary>
/// 生成网页快照
/// </summary>
///
/// 调用方法:
//Bitmap bmp = HtmlToImg.GetHtmlToImg("http://www.baidu.com/", 800, 600, 800, 600);
//MemoryStream stream = new MemoryStream();
//bmp.Save(stream, System.Drawing.Imaging.ImageFormat.Jpeg);
//byte[] buff = stream.ToArray();
////直接显示图片
////Response.ContentType = "image/Jpeg";
////Response.BinaryWrite(buff);
////Response.End();
////保存图片
//FileStream fs = newFileStream(Server.MapPath(DateTime.Now.Date.ToShortDateString() + ".jpg"), FileMode.Create);
//stream.WriteTo(fs);
//stream.Close();
//fs.Close();
public class HtmlToImg
{
Bitmap m_Bitmap;
string m_Url;
int m_BrowserWidth, m_BrowserHeight, m_ThumbnailWidth, m_ThumbnailHeight;
public HtmlToImg(string Url, int BrowserWidth, int BrowserHeight, int ThumbnailWidth, int ThumbnailHeight)
{
m_Url = Url;
m_BrowserHeight = BrowserHeight;
m_BrowserWidth = BrowserWidth;
m_ThumbnailWidth = ThumbnailWidth;
m_ThumbnailHeight = ThumbnailHeight;
}
public static Bitmap GetHtmlToImg(string Url, int BrowserWidth, int BrowserHeight, int ThumbnailWidth, int ThumbnailHeight)
{
HtmlToImg thumbnailGenerator = new HtmlToImg(Url, BrowserWidth, BrowserHeight, ThumbnailWidth, ThumbnailHeight);
return thumbnailGenerator.GenerateHtmlToImgImage();
}
public Bitmap GenerateHtmlToImgImage()
{
Thread m_thread = new Thread(new ThreadStart(_GenerateHtmlToImgImage));
m_thread.SetApartmentState(ApartmentState.STA);
m_thread.Start();
m_thread.Join();
return m_Bitmap;
}
private void _GenerateHtmlToImgImage()
{
WebBrowser m_WebBrowser = new WebBrowser();
m_WebBrowser.ScrollBarsEnabled = false;
m_WebBrowser.Navigate(m_Url);
m_WebBrowser.DocumentCompleted += new WebBrowserDocumentCompletedEventHandler(WebBrowser_DocumentCompleted);
while (m_WebBrowser.ReadyState != WebBrowserReadyState.Complete)
Application.DoEvents();
m_WebBrowser.Dispose();
}
private void WebBrowser_DocumentCompleted(object sender, WebBrowserDocumentCompletedEventArgs e)
{
WebBrowser m_WebBrowser = (WebBrowser)sender;
m_WebBrowser.ClientSize = new Size(this.m_BrowserWidth, this.m_BrowserHeight);
m_WebBrowser.ScrollBarsEnabled = false;
Bitmap img = new Bitmap(m_WebBrowser.Bounds.Width, m_WebBrowser.Bounds.Height);
m_Bitmap = new Bitmap(m_ThumbnailWidth, m_ThumbnailHeight);
m_WebBrowser.BringToFront();
m_WebBrowser.DrawToBitmap(img, m_WebBrowser.Bounds);
//新建一画板
System.Drawing.Graphics g = System.Drawing.Graphics.FromImage(m_Bitmap);
//设置高质量的双三次插值法
g.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.HighQualityBicubic;
//g.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.High;
g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
//在指定位置并且指定大小绘制原图片的指定部分
g.DrawImage(img, new Rectangle(0, 0, m_ThumbnailWidth, m_ThumbnailHeight), 0, 0, img.Width, img.Height, GraphicsUnit.Pixel);
g.Dispose();
img.Dispose();
//m_Bitmap = (Bitmap)m_Bitmap.GetThumbnailImage(m_ThumbnailWidth, m_ThumbnailHeight, null, IntPtr.Zero);
}
}
/// <summary>
/// 获取weburl输出内容
/// </summary>
/// <param name="url">weburl</param>
/// <returns>输出内容</returns>
public static string GetPage(string url)
{
WebResponse result = null;
try
{
WebRequest req = WebRequest.Create(new Uri(url));
result = req.GetResponse();
var receivedStream = result.GetResponseStream();
var sr = new System.IO.StreamReader(receivedStream,Encoding.GetEncoding("gb2312"));// GetEncoding( GetContentType(result.ContentType).FirstOrDefault().Key)
return sr.ReadToEnd();
}
catch (Exception ex)
{
return "";
}
finally
{
//ensure that network resources are not wasted
if (result != null)
result.Close();
}
}
//数据流的方式
public void test2()
{
var pageString =GetPage("http://www.baidu.com");
System.Web.HttpContext.Current.Response.AppendHeader("Content-Disposition", "attachment;filename=result.doc");
System.Web.HttpContext.Current.Response.ContentType = "application/ms-word";
System.Web.HttpContext.Current.Response.Charset = "utf-8";
System.Web.HttpContext.Current.Response.ContentEncoding = System.Text.Encoding.GetEncoding("gb2312");
Response.Write(pageString);
Response.End();
}
第二个方法:
public void stm() {
string filepath = @"http://www.baidu.com";
Stream stream = WebRequest.Create(filepath).GetResponse().GetResponseStream();
int size = 1024;
int read = 0;
MemoryStream ms = new MemoryStream();
byte[] buffer = new byte[size];
do
{
buffer = new byte[size];
read = stream.Read(buffer, 0, size);
ms.Write(buffer, 0, read);
} while (read >= size);
byte[] bdata = new byte[ms.Length];
ms.Read(bdata, 0, (int)ms.Length);
char[] cdata = bdata.Select(x => (char)x).ToArray();
System.Web.HttpContext.Current.Response.AppendHeader("Content-Disposition", "attachment;filename=result.doc");
System.Web.HttpContext.Current.Response.ContentType = "application/ms-word";
System.Web.HttpContext.Current.Response.Charset = "utf-8";
System.Web.HttpContext.Current.Response.ContentEncoding = System.Text.Encoding.GetEncoding("gb2312");
Response.Write(cdata, 0, cdata.Length);
Response.End();
}