C#关键字foreach用法
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using System; using System.Collections.Generic; using System.Text; namespace Ch06ex01 { class Program { static void Main(string[] args) { Console.WriteLine("{0} command line arguments were specified:",args.Length); foreach(string arg in args);//此处有问题 提示当前上下文中不存在arg Console.WriteLine(arg); Console.ReadKey(); } } }
编译有错 用的是命令行参数