编写一段程序，运行时向用户提问你考了多少分,接收输入后判断其等级并显示出来，优90-100,良80-89，中60-79，差0-59要求采用面向对象的方法编程
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| using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace MarkRank
{
class Program
{
static void Main(string[] args)
{
SoluteRank mk = new SoluteRank();
mk.GetMark(0);
mk.Rank();
Console.ReadKey();
}
}
class SoluteRank
{
private double mark;
public void GetMark(double m)
{
Console.WriteLine("请输入成绩");
m = Convert.ToDouble(Console.ReadLine());
mark = m;
}
public void Rank()
{
if (mark < 0 || mark > 100)
{
Console.WriteLine("输入错误");
return;
}
if (mark >= 90) Console.WriteLine("优");
else if (mark >= 80) Console.WriteLine("良");
else if (mark >= 60) Console.WriteLine("中");
else Console.WriteLine("差");
}
}
}
|