ASP.NET基础

using System;

namespace ConsoleApp
{
    class Program
    {
        /// <summary>
        /// 入口
        /// </summary>
        /// <param name="args"></param>
        static void Main(string[] args)
        {
            #region 交换两个变量的值

            //int num1 = 5;
            //int num2 = 6;

            //Console.WriteLine(" num1={0}\r\n num2={1}", num1, num2);

            //int temp = num1;
            //num1 = num2;
            //num2 = temp;
            //Console.WriteLine(" num1={0}\r\n num2={1}", num1, num2);
            //Console.ReadKey();

            #endregion

            #region 求两个数的最大值

            //int num1 = 5;
            //int num2 = 8;

            //int num3 = GetMax(num1, num2);
            //Console.WriteLine("最大值为:{0}", num3);
            //Console.ReadKey();

            #endregion

            #region 1-100之间所有奇数的和

            //int result = 0;
            //for (int i = 1; i <= 100; i++)
            //{
            //    if (i % 2 != 0)
            //    {
            //        result += i;
            //    }
            //}
            //Console.WriteLine("1-100之间所有奇数的和为：{0}", result);
            //Console.ReadKey();

            #endregion

            #region 找数组中最大的数

            //int[] array = new int[] { 5, 4, 7, 9, 6, 3, 1 };

            //int max = array[0];
            //for (int i = 0; i < array.Length; i++)
            //{
            //    if (array[i] > max)
            //    {
            //        max = array[i];
            //    }
            //}
            //Console.WriteLine("数组中最大的值为：{0}", max);
            //Console.ReadKey();

            #endregion

            #region 时间格式转换

            //string time = "2014年6月7号";
            //string msg = FormatConversion(time);
            //Console.WriteLine(msg);
            //Console.ReadKey();

            #endregion

            Person per = new Person();
            per.Name = "刘先生";
            per.Sex = "男";
            per.Age = 22;
            per.SayHi();

            Employee emp = new Employee();
            emp.Name = "孙悟空";
            emp.Sex = "公";
            emp.Age = 5000;
            emp.Salary = 10000;
            emp.SayHi();

            Console.ReadKey();
        }

        /// <summary>
        /// 求两个数的最大值
        /// </summary>
        /// <param name="num1"></param>
        /// <param name="num2"></param>
        /// <returns></returns>
        public static int GetMax(int num1, int num2)
        {
            return num1 > num2 ? num1 : num2;
        }

        /// <summary>
        /// 时间格式转换
        /// </summary>
        /// <param name="time"></param>
        /// <returns></returns>
        public static string FormatConversion(string time)
        {
            char[] cha = time.ToCharArray();
            for (int i = 0; i < cha.Length; i++)
            {
                switch (cha[i])
                {
                    case ‘0‘: cha[i] = ‘零‘; break;
                    case ‘1‘: cha[i] = ‘一‘; break;
                    case ‘2‘: cha[i] = ‘二‘; break;
                    case ‘3‘: cha[i] = ‘三‘; break;
                    case ‘4‘: cha[i] = ‘四‘; break;
                    case ‘5‘: cha[i] = ‘五‘; break;
                    case ‘6‘: cha[i] = ‘六‘; break;
                    case ‘7‘: cha[i] = ‘七‘; break;
                    case ‘8‘: cha[i] = ‘八‘; break;
                    case ‘9‘: cha[i] = ‘九‘; break;
                }
            }
            return new string(cha);
        }
    }
}

person:

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

namespace ConsoleApp
{
    public class Person
    {
        private string _name;
        private string _sex;
        private int _age;

        /// <summary>
        /// 姓名
        /// </summary>
        public string Name
        {
            get { return _name; }
            set { _name = value; }
        }

        /// <summary>
        /// 性别
        /// </summary>
        public string Sex
        {
            get { return _sex; }
            set { _sex = value; }
        }

        /// <summary>
        /// 年龄
        /// </summary>
        public int Age
        {
            get { return _age; }
            set { _age = value; }
        }

        public virtual void SayHi()
        {
            Console.WriteLine("我叫：{0},性别：{1}，今年：{2}岁", Name, Sex, Age);
        }
    }
}

Employee:

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

namespace ConsoleApp
{
    public class Employee : Person
    {
        private double _salary;

        /// <summary>
        /// 工资
        /// </summary>
        public double Salary
        {
            get { return _salary; }
            set { _salary = value; }
        }

        public override void SayHi()
        {
            Console.WriteLine("我叫：{0}，性别：{1}，今年：{2}岁，工资：{3}", Name, Sex, Age, Salary);
        }
    }
}