20
21 byte[] md5 = System.Text.Encoding.ASCII.GetBytes(result);//将字符串转换成字节数组以便写人到文件中
22
23 FileStream fsWrite = new FileStream(path, FileMode.Open, FileAccess.ReadWrite);
24 fsWrite.Write(pdfFile, 0, pdfFile.Length);//将pdf文件，MD5值 重新写入到文件中。
25 fsWrite.Write(md5, 0, md5.Length);
26 //fsWrite.Write(pdfFile, 10, pdfFile.Length - 10);
27 fsWrite.Close();
28
29 return result;
30 }
31 catch (Exception e)
32 {
33 return e.ToString();
34 }
35 }
36 /**//// <summary>
37 /// 对给定路径的文件进行验证
38 /// </summary>
39 /// <param name="path"></param>
40 /// <returns>是否加了标签或是否标签值与内容值一致</returns>
41 public static bool Check(string path,string key)
42 {
43 try
44 {
45 FileStream get_file = new FileStream(path, FileMode.Open, FileAccess.Read, FileShare.Read);
46
47
48 byte[] pdfFile = new byte[get_file.Length];
49 get_file.Read(pdfFile, 0, (int)get_file.Length);
上一篇:Photoshop简单打造超酷曲线效果图
下一篇:MSN Messenger无法登录的另类解决办法
|
精品推荐