//StringBuilder的定義及相關操作 int int1 = 100; StringBuilder str1 = new StringBuilder("哈哈哈,", 100); str1.Append("你變了"); //Append函式 Console.WriteLine(str1); str1.AppendFormat("{0:C}", int1);//AppendFormat函式; 格式化為錢幣格式; Console.WriteLine(str1); str1.Insert(4, "你個死鬼,");//Insert函式 Console.WriteLine(str1); str1.Remove(str1.Length - 7, 7);//Remove函式 Console.WriteLine(str1); str1.Replace("你個死鬼,", "你個老鬼,");//Replace函式 Console.WriteLine(str1); Console.ReadLine();