private void btnMD5EncryptFile_Click(object sender, RoutedEventArgs e) { OpenFileDialog dialog = new OpenFileDialog(); dialog.Multiselect = false; dialog.Filter = "所有文件(*.*)|*.*"; dialog.Title = "请选择文件"; if ((bool)dialog.ShowDialog()) { string fileName = dialog.FileName; string decryptText = MD5Encrypt.GetEncryptFileByMD5(fileName); txtBxEncryptText.Text = fileName; txtBxDecryptText.Text = decryptText; } }