public static int SaveImageFromWeb(string imgUrl, string path)

{

var aaa = Environment.CurrentDirectory;

string imgName = imgUrl.ToString().Substring(imgUrl.ToString().LastIndexOf("/") + 1);

path = path + "//" + imgName;

//NewPicName = imgName;//获取文件的名字

string defaultType = ".jpg";

string[] imgTypes = new string[] { ".jpg", ".jpeg", ".png", ".gif", ".bmp" };

string imgType = imgUrl.ToString().Substring(imgUrl.ToString().LastIndexOf("."));

foreach (string it in imgTypes)

{

if (imgType.ToLower().Equals(it))

break;

if (it.Equals(".bmp"))

imgType = defaultType;

}

try

{

HttpWebRequest request = (HttpWebRequest)WebRequest.Create(imgUrl);

request.UserAgent = "Mozilla/6.0 (MSIE 6.0; Windows NT 5.1; Natas.Robot)";

request.Timeout = 10000;

WebResponse response = request.GetResponse();

Stream stream = response.GetResponseStream();

if (response.ContentType.ToLower().StartsWith("image/"))

{

byte[] arrayByte = new byte[1024];

int imgLong = (int)response.ContentLength;

int l = 0;

// CreateDirectory(path);

FileStream fso = new FileStream(path, FileMode.Create);

while (l < imgLong)

{

int i = stream.Read(arrayByte, 0, 1024);

fso.Write(arrayByte, 0, i);

l += i;

}

fso.Close();

stream.Close();

response.Close();

return 1;

}

else

{

return 0;

}

}

catch (WebException)

{

return 0;

}

catch (UriFormatException)

{

return 0;

}

}