以下介绍两种方法：
1.利用WebRequest，WebResponse 类
WebRequest wreq=WebRequest.Create("//img.jbzj.com/file_images/article/201205/logo.gif");
HttpWebResponse wresp=(HttpWebResponse)wreq.GetResponse();
Stream s=wresp.GetResponseStream();
System.Drawing.Image img;
img = System.Drawing.Image.FromStream(s);
img.Save("D:\\aa.gif",ImageFormat.Gif); //保存
//下面直接输出
MemoryStream ms=new MemoryStream();
img.Save(ms,ImageFormat.Gif);
img.Dispose();
Response.ClearContent();
Response.ContentType="image/gif";
Response.BinaryWrite(ms.ToArray());
2.利用 WebClient 类
WebClient my=new WebClient();
byte[] mybyte;
mybyte=my.DownloadData("//img.jbzj.com/file_images/article/201205/logo.gif"); MemoryStream ms=new MemoryStream(mybyte);
System.Drawing.Image img;
img = System.Drawing.Image.FromStream(ms);
img.Save("D:\\a.gif",ImageFormat.Gif); //保存
//下面直接输出
Response.ClearContent();
Response.ContentType="image/gif";
Response.BinaryWrite(mybyte);
如果是真实的图片地址直接用
my.DownloadFile("//img.jbzj.com/file_images/article/201205/logo.gif","D:\\a.gif"); //保存
直接可以保存
1.利用WebRequest，WebResponse 类
WebRequest wreq=WebRequest.Create("//img.jbzj.com/file_images/article/201205/logo.gif");
HttpWebResponse wresp=(HttpWebResponse)wreq.GetResponse();
Stream s=wresp.GetResponseStream();
System.Drawing.Image img;
img = System.Drawing.Image.FromStream(s);
img.Save("D:\\aa.gif",ImageFormat.Gif); //保存
//下面直接输出
MemoryStream ms=new MemoryStream();
img.Save(ms,ImageFormat.Gif);
img.Dispose();
Response.ClearContent();
Response.ContentType="image/gif";
Response.BinaryWrite(ms.ToArray());
2.利用 WebClient 类
WebClient my=new WebClient();
byte[] mybyte;
mybyte=my.DownloadData("//img.jbzj.com/file_images/article/201205/logo.gif"); MemoryStream ms=new MemoryStream(mybyte);
System.Drawing.Image img;
img = System.Drawing.Image.FromStream(ms);
img.Save("D:\\a.gif",ImageFormat.Gif); //保存
//下面直接输出
Response.ClearContent();
Response.ContentType="image/gif";
Response.BinaryWrite(mybyte);
如果是真实的图片地址直接用
my.DownloadFile("//img.jbzj.com/file_images/article/201205/logo.gif","D:\\a.gif"); //保存
直接可以保存
标签：
抓取,图片
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