namespace AliLoginForm { public class MyIECookie { //[DllImport("wininet.dll", CharSet = CharSet.Auto, SetLastError = true, CallingConvention = CallingConvention.Cdecl)] //static extern bool InternetGetCookieEx(string pchURL, string pchCookieName, StringBuilder pchCookieData, ref int pcchCookieData, int dwFlags, IntPtr lpReserved); //取出Cookie,当登录后才能取 public static string GetCookieString(string url) { // Determine the size of the cookie uint datasize = 256; StringBuilder cookieData = new StringBuilder((int)datasize); if (!InternetGetCookieEx(url, null, cookieData, ref datasize, 0x00002000, IntPtr.Zero)) { if (datasize < 0) return null; // Allocate stringbuilder large enough to hold the cookie cookieData = new StringBuilder((int)datasize); if (!InternetGetCookieEx(url, null, cookieData, ref datasize, 0x00002000, IntPtr.Zero)) return null; } return cookieData.ToString(); } [DllImport("wininet.dll", CharSet = CharSet.Auto, SetLastError = true)] static extern bool InternetGetCookieEx(string pchURL, string pchCookieName, StringBuilder pchCookieData, ref System.UInt32 pcchCookieData, int dwFlags, IntPtr lpReserved); } }