首先设计界面:一个Label标签
编写代码:‘
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
namespace 泛型类
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private void Form1_Load(object sender, EventArgs e)
{
label1.Text = "";
Data<int> a = new Data<int> (3, 5, 2, 8, 7, 6 );
a.sort();
label1.Text = ""+a.display();
Data<float> b = new Data<float>(3.5f, 7.5f, 2.1f, 9.9f, 5.4f, 6.8f);
b.sort();
label1.Text += "" + b.display();
}
}
//定义泛型类
class Data<T>
{
private T[] datas;
public Data(params T[] datas)
{
this.datas = datas;
}
//排序
public void sort()
{
for (int i = 0; i < datas.Length; i++)
{
for (int j = i; j < datas.Length; j++)
{
if(Convert .ToDouble(datas[i])<Convert.ToDouble (datas[j]))
{
T t = datas[i];
datas[i] = datas[j];
datas[j] = t;
}
}
}
}
//输出数组元素的方法
public string display()
{
string info = "\n";
for (int i = 0; i < datas.Length; i++)
{
info += datas[i].ToString() + " ";
}
return info;
}
}
}
运行结果:
’