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1 static class Program 2 { 3 static void Main(string[] args) 4 { 5 6 Test2(); 7 Console.ReadKey(); 8 } 9 10 public static string FormatWith(this string format, params object[] args) 11 { 12 return string.Format(format, args); 13 } 14 public static void Test2() 15 { 16 string today = "今天是:{0:yyyy年MM月dd日 ddd}"; 17 //这里调用了扩展方法 18 Console.WriteLine(today .FormatWith(DateTime.Today)); 19 } 20 }
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原文地址:http://www.cnblogs.com/nanxiaoxiang/p/5813928.html