生成一个GUID码，是全世界独一无二的码

超市系统_IT超市系统_IT_02
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace _GUID
{
    class Program
    {
        static void Main(string[] args)
        {
            Console.WriteLine(Guid.NewGuid().ToString());
            Console.WriteLine(Guid.NewGuid().ToString());
            Console.WriteLine(Guid.NewGuid().ToString());
            Console.WriteLine(Guid.NewGuid().ToString());
            Console.WriteLine(Guid.NewGuid().ToString());
            Console.ReadKey();
        }
    }
}
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超市系统_IT_03