刚才在回答个帖子中,说如何获取http://bbs.banbijiang.com/seccode.php?update=72425这个网址显示出的图片HttpWebRequest request = (HttpWebRequest) WebRequest.Create("http://bbs.banbijiang.com/seccode.php?update=72425");
request.UserAgent = "IE 8.0"; //必须得加,目标地址对浏览器进行了检测
HttpWebResponse response = (HttpWebResponse) request.GetResponse();
Stream stream = response.GetResponseStream(); Image img = Image.FromStream(stream);
img.Save(File.Open("e:\\spideBmp.gif", FileMode.OpenOrCreate), ImageFormat.Gif);
img.Dispose();
response.Close();这样可以保存http://www.XXXX.gif的图片,但不能保存这种图片流,请高手解答。
原帖地址忘了。
request.UserAgent = "IE 8.0"; //必须得加,目标地址对浏览器进行了检测
HttpWebResponse response = (HttpWebResponse) request.GetResponse();
Stream stream = response.GetResponseStream(); Image img = Image.FromStream(stream);
img.Save(File.Open("e:\\spideBmp.gif", FileMode.OpenOrCreate), ImageFormat.Gif);
img.Dispose();
response.Close();这样可以保存http://www.XXXX.gif的图片,但不能保存这种图片流,请高手解答。
原帖地址忘了。
提交验证码时注意COOKIE就行了
http://topic.csdn.net/u/20101027/16/15b2004f-3e98-4170-93ae-c1c17e9ad323.html
这代码我测过,确实可行。
不过你说的那句获取不到文件流是什么意思?
//引用using System.Windows.Forms;
using System.Windows.Forms;
System.Drawing.Bitmap bitmap;
using (WebBrowser wb = new WebBrowser())
{
wb.ScrollBarsEnabled = false;
wb.Navigate(url);
//确保页面被解析完全
while (wb.ReadyState != WebBrowserReadyState.Complete)
{
System.Windows.Forms.Application.DoEvents();
}
int height=wb.Document.Body.ScrollRectangle.Height;
int width = wb.Document.Body.ScrollRectangle.Width; wb.Width = width;
wb.Height = height; bitmap = new System.Drawing.Bitmap(width, height);
wb.DrawToBitmap(bitmap, new System.Drawing.Rectangle(0, 0, width, height));
wb.Dispose();
}
http://www.cnblogs.com/SkyD/archive/2009/11/21/1607762.html