C# unicode 转中文

 //Unicode 转中文
  private void button1_Click(object sender, EventArgs e)
  {
     string unicode = @"\U5fae";

     string result = string.Empty;

     string[] strlist = unicode.Replace("\\", "").Split('U');

     string s = strlist[];

    result = ((char)int.Parse(s, System.Globalization.NumberStyles.HexNumber)).ToString();
    MessageBox.Show(result);

  }

  private void button2_Click(object sender, EventArgs e)
 {
            string path = @"E:\exp\exp.txt";

            string content = File.ReadAllText(path);

            string[] array = content.Split(new char[] { ';' }, StringSplitOptions.RemoveEmptyEntries);

            StringBuilder sb = new StringBuilder();

            foreach (var item in array)
            {
                string[] temp = item.Split(new char[] { '=' }, StringSplitOptions.RemoveEmptyEntries);
                sb.Append(temp[]);
                sb.Append("=");

                sb.Append("[");

                string str = temp[].Trim().Trim('"','[',']');

                if (Regex.IsMatch(str, @"^[A-Z]{2}$"))
                {

                    sb.Append(str);
                }
                else
                {

                    string[] strlist = str.Replace("\\", "").Split(new char[] { 'U' }, StringSplitOptions.RemoveEmptyEntries);

                    string result = string.Empty;

                    foreach (var s in strlist)
                    {
                        result += ((char)int.Parse(s, System.Globalization.NumberStyles.HexNumber)).ToString();
                    }

                    sb.Append(result);

                }
                sb.Append("]");

                sb.Append("\r\n");
            }

            File.WriteAllText(@"E:\exp\demo.txt", sb.ToString());

            MessageBox.Show("转换成功");

        }

上图 转为 下图