冒泡排序经典案例

using System;
using System.Collections.Generic;
using System.Text;

namespace GanggangApplication
{
class Program
{
static void Main(string[] args)
{
SortedNumbers();
}

/// <summary>
/// 该方法获得需要排序的数组，表调用排序方法进行排序
/// </summary>
public static void SortedNumbers()
{
int numberCount;
int[] numbers;
Console.WriteLine("－－－－－－－－－－刚刚冒泡排序法－－－－－－－－－－");
Console.WriteLine("请问您要对多少为数字进行排序？");
numberCount = Convert.ToInt32(Console.ReadLine());
numbers = new int[numberCount];
Console.WriteLine("请输入您要进行排序的这{0}个数字：",numberCount);
for (int i = 0; i < numberCount; i++)
{
numbers[i] = Convert.ToInt32(Console.ReadLine());
}

Console.WriteLine("\n您要进行排序的{0}个数字分别为：",numberCount);
for (int i = 0; i < numberCount; i++)
{
Console.Write(numbers[i].ToString() + "\t");
}

Console.WriteLine("\n您要对这{0}个数字进行什么排序？(1表示升序,2表示降序)",numberCount);
int method = Convert.ToInt32(Console.ReadLine());

while (method != 1 && method != 2)
{
Console.WriteLine("只能输入1或者2，请您重新输入！");
method = Convert.ToInt32(Console.ReadLine());
}

//调用排序方法
ExecuteSortedMethod(numbers, method);

Console.WriteLine("排序后的结果为：");
for (int i = 0; i < numberCount; i++)
{
Console.Write(numbers[i].ToString() + "\t");
}
Console.WriteLine("\n－－－－－－－－－－刚刚冒泡排序法－－－－－－－－－－");
Console.ReadKey();
}

/// <summary>
/// 接受数字参数和排序方法参数，进行冒泡排序
/// </summary>
/// <param name="num">要进行排序的整数数组</param>
/// <param name="sortedMethod">排序方法标识：1为升序，2为降序</param>
public static void ExecuteSortedMethod(int[] num, int sortedMethod)
{
if (sortedMethod == 1) //升序排列
{
for (int i = 0; i < num.Length -1; i++)
{
for (int j = 0; j < num.Length - 1 - i; j++)
{
if (num[j] > num[j + 1])
{
int temp = num[j];
num[j] = num[j + 1];
num[j + 1] = temp;
}

}
}
}
if (sortedMethod == 2) //降序排列
{
for (int i = 0; i < num.Length - 1; i++)
{
for (int j = 0; j < num.Length - 1 - i; j++)
{
if (num[j] < num[j + 1])
{
int temp = num[j];
num[j] = num[j + 1];
num[j + 1] = temp;
}
}
}
}
}

}
}