1．学生基本信息管理
（1）使用控制台程序做界面
（2）至少10个属性和5个方法
（3）使用继承、抽象类等面向对象特性
（4）测试要求：测试程序中用到的面向对象特性。
<span style="font-size:32px;color:#ff0000;">主函数</span>
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace StudentBasic
{
public class Program
{
public static void Main(string[] args)
{
Father fa = new Father();
Son so = new Son();
so.show();
so.inputsex();
so.ageAnalysis();
so.order();
so.sum();
Console.ReadLine();
}
}
}
<span style="font-size:32px;color:#ff0000;">Father类</span>
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace StudentBasic
{
public class Father
{
public string collage { get; set; }//大学的名称
public string department { get; set; }//院系的名称
public string grade { get; set; }//班级
public string classroom { get; set; }//教室
public string professional { get; set; }//专业
}
}
<span style="font-size:32px;color:#ff0000;">儿子类</span>
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace StudentBasic
{
public class Son:Father
{
public string sex { get; set; }//性别
public string number { get; set; }//学号
public string name { get; set; }//名字
public int age { get; set; }//年龄
public double[] score;//分数
public Son()
{
score = new double[5];
Console.WriteLine("这学期的5门课程的成绩为：");
score[0] = double.Parse(Console.ReadLine());
score[1] = double.Parse(Console.ReadLine());
score[2] = double.Parse(Console.ReadLine());
score[3] = double.Parse(Console.ReadLine());
score[4] = double.Parse(Console.ReadLine());
}
public void show() //第一个方法：显示
{
collage = "徐州工程学院";
department = "信电工程学院";
grade = "13计卓";
classroom = "教一429";
professional = "计算机科学与技术";
name = "刘姗";
Console.WriteLine(collage);
Console.WriteLine(department);
Console.WriteLine(grade);
Console.WriteLine(classroom);
Console.WriteLine(professional);
Console.WriteLine(name);
}
public void inputsex()//第二个方法;输入性别
{
Console.WriteLine(" ");
for (int i = 0; ; i++)
{
Console.WriteLine("请输入您的性别：");
sex = Console.ReadLine();
string sex2="女";
string sex3="男";
if (0 != string.Compare(sex, sex2) && 0 != string.Compare(sex, sex3))
{
Console.WriteLine("您输入的信息有误!!");
Console.WriteLine("请继续输入您的性别");
}
else { break; }
}
}
public void ageAnalysis() //第三个方法：年龄的分析
{
Console.WriteLine(" ");
Console.WriteLine("请输入你的年龄：");
age = int.Parse(Console.ReadLine());
if (age > 16 && age < 19)
{
Console.WriteLine("小欧猜测您应该上大一吧（' 。‘）");
}
else
{
if (age > 19 && age < 21)
{ Console.WriteLine("小欧猜测您应该上大二吧（' 。‘）"); }
else
{
if (age > 21 && age < 24)
{ Console.WriteLine("小欧猜测您应该上大三吧（' 。‘）"); }
else { Console.WriteLine("小欧猜测您应该上大四吧（' 。‘）"); }
}
}
}
public void order() //第四个方法：由大到小选择排序
{
Console.WriteLine(" ");
double t;
for (int i = 0; i < 4; i++)
{
for (int j = i + 1; j < 5; j++)
{
if (score[i] < score[j])
{ t = score[i]; score[i] = score[j]; score[j] = t; }
}
}
Console.WriteLine("五门课的成绩从大到小排列为：");
for (int i = 0; i < 5; i++)
{
Console.WriteLine(score[i]);
}
}
public void sum() //第五种方法：求五门课的总成绩
{
Console.WriteLine(" ");
double sum = score[0] + score[1] + score[2]
+ score[3] + score[4];
Console.WriteLine("五门课的总成绩为：" + sum);
}
}
}