C# 笔记 巢状类别的呼叫
好久没有碰过C#了 把每天练习的code都记录下来 以免忘记
巢状类别:
public class roll //第一层
{
public string str1 { get; set; }
public int a { get; set; }
public string getstring()
{
return (str1 + a.ToString());
}
public class roll2 //第二层
{
public string str2 { get; set; }
public int b { get; set; }
public string getstring2()
{
return (str2 + b.ToString());
}
public class roll3 //第三层
{
public string str3 { get; set; }
public int c { get; set; }
public string getstring3()
{
return (str3 + c.ToString());
}
public string getstring4(roll2 SA) //物件参数
{
return SA.str2+SA.b.ToString();
}
}
}
}
//Ptogram
class Program
{
static void Main(string[] args)
{
roll ma = new roll{str1 = "AAA",a=123 }; //roll ma = new roll{str1 = "AAA",a=123 }; roll{str1,a} 表示 向roll的field str1 和a设值
roll.roll2 ma2 = new roll.roll2 { str2 = "BBB", b = 456 }; //要new第二层 ,需要写成 第一层.第二层
roll.roll2.roll3 ma3 = new roll.roll2.roll3 { str3 = "CCC", c = 789 }; //要new第三层 ,需要写成 第一层.第二层.第三层
//roll ma = new roll(str1,a){str1 = "EEE",a=666 }; 如果以这样的写法 会输出 AAA123 后面的EEE666不会输出 正常应该不会这样写
//Console.WriteLine(ma.str1+ ma.a.ToString()); =>AAA123
//Console.WriteLine(ma2.getstring2()); =>BBB456
Console.WriteLine(ma3.getstring4(new roll.roll2() { str2 = "DDD", b = 456 })); =>DDD456
Console.ReadKey();
}