使用out参数做登陆

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ConsoleApplication3
{
    class Program
    {
        static void Main(string[] args)
        {
            Console.WriteLine("请输入用户名");
            string name = Console.ReadLine();
            Console.WriteLine("请输入密码");
            string pwd = Console.ReadLine();
            
            string msg;
            bool b = IsLogin(name,pwd,out msg);
            Console.WriteLine();
            Console.WriteLine("登陆结果:{0}",b);
            Console.WriteLine("登陆信息:{0}", msg);
            Console.ReadKey();
        }
        
        
        /// <summary>
        /// 判断登陆是否成功
        /// </summary>
        /// <param name="name">用户名</param>
        /// <param name="pwd">密码</param>
        /// <param name="msg">多余返回信息</param>
        /// <returns>登陆布尔值</returns>
        public static bool IsLogin(string name,string pwd,out string msg)
        {
            if(name == "admin" && pwd == "888888")
            {
                msg = "登陆成功";
                return true;
            }
            else if(name=="admin")
            {
                msg = "密码错误";
                return false;
            }
            else if(pwd =="888888")
            {
                msg = "用户名错误";
                return false;
            }
            else
            {
                msg = "两者错误";
                return false;
            }
           
        }
    }
}