1  class Program 2     { 3         static void Main(string[] args) 4         { 5             string strFilePath = @"E:\Demo\Simplifiled_Demo\files\test.txt"; 6  7             if (File.Exists(strFilePath)) 8             { 9 10                 string strContent = File.ReadAllText(strFilePath, Encoding.UTF8);11 12                 foreach (var item in strContent)13                 {14                     if (item.Equals(‘帐‘))15                     {16                         //简体转繁体；17                         var ss = "账";18                         strContent = Regex.Replace(strContent, item.ToString(), ss);19                         return;20                     }21                 }22                 File.WriteAllText(strFilePath, strContent);23                 24                 Console.WriteLine("OK");25                 Console.ReadKey();26 27             }28         }29     }