Base64 转 图片
static void Main(string[] args)
{
string s = "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"; byte[] arr = Convert.FromBase64String(s);
MemoryStream ms = new MemoryStream(arr);
Bitmap bit = new Bitmap(ms);
bit.Save("c:/1.jp");
ms.Close();
}
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