C# 如何查看源程序的IL代码
1、打开microsoft visual studio 2008 / visual studio tools / visual studio 2008 命令提示 ，并输入ildasm 。如下图所示：
2、按enter键，打开IL DASM 窗口，如下图所示：
3、单击 文件 / 打开,打开编译好的.exe文件，即可查看该代码的IL代码
例如：通过visual studio 2008 命令提示 查看如下源程序的IL代码。
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace BubbleSort
{
class BubbleSort1
{//升序排序，每一趟都将最大的一个数放在最后
public static void BubbleSort(int[] items)
{
int i, j, temp;
if (items == null)
return;
for (i = items.Length - 1; i >= 0; i++)
for (j=1;j<=i;j++)
if (items[j - 1] > items[j])
{
temp = items[j - 1];
items[j - 1] = items[j];
items[j] = temp;
}
}
}
}
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace BubbleSort
{
class BubbleSort2
{
public enum SortType
{
Ascending,
Descending
}
public static void BubbleSort(int[] items, SortType sortOrder)
{
int i, j, temp;
if (items == null)
return;
for (i = items.Length - 1; i >= 0; i++)
{
for (j = 1; j <= i; j++)
{
switch (sortOrder)
{
case SortType.Ascending:
if (items[j - 1] > items[j])
{
temp = items[j - 1];
items[j - 1] = items[j];
items[j] = temp;
}
break;
case SortType.Descending:
if (items[j - 1] < items[j])
{
temp = items[j - 1];
items[j - 1] = items[j];
items[j] = temp;
}
break;
}
}
}
}
}
}
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace BubbleSort
{
public delegate bool ComparisonHandler (int first,int second);//委托类型的声明
class BubbleSort3
{
public static bool GreaterThan(int first, int second)
{//升序排序
return first > second;
}
public static bool LessThan(int first, int second)
{//降序排序
return first < second;
}
public static bool AlphabeticalGreaterThan(int first, int second)
{//按照字母表排序。a.CompareTo(b):若a>b 返回值小于0， a<b返回值大于0，
//a=b返回值等于0
int comparison;
comparison = (first.ToString().CompareTo(second.ToString()));
return comparison > 0;
}
public static void BubbleSort(int[] items, ComparisonHandler comparisonMethod)
{
int i, j, temp;
if (items == null)
return;
if (comparisonMethod == null)
throw new ArgumentNullException("comparisonMethod");
for (i = items.Length - 1; i >= 0; i--)
{
for(j=1;j<=i;j++)
if (comparisonMethod(items[j - 1], items[j]))
{
temp = items[j - 1];
items[j - 1] = items[j];
items[j] = temp;
}
}
}
}
}
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using BubbleSort;
namespace BubbleSort
{
class Program
{
static void Main(string[] args)
{
int intcount;
Console.WriteLine("请输入待排序的整数序列的个数:");
intcount = Convert.ToInt32(Console.ReadLine());
Console.WriteLine("请输入待排序的整数序列:");
int[] items = new int[intcount];
for (int i = 0; i < intcount; i++)
{
items[i]=Convert .ToInt32 ( Console.ReadLine());
}
ComparisonHandler comparisonMethod = BubbleSort3.GreaterThan;
BubbleSort3.BubbleSort(items, comparisonMethod);
Console.WriteLine("调用类BubbleSort3中的排序方法排序后的整数序列为:");
for(int i=0;i<intcount;i++)
{
Console.Write(items[i]);
Console.Write(" ");
}
}
}
}
以上程序的IL代码：