编写环境：SnippetCompiler
不需要过多的解释，如有疑问请留言。
using System;
using System.Collections.Generic;
public class MyClass
{
static int count=1234;
static int pageSize=10;
static int startIndex,endIndex;
public static void RunSnippet()
{
GetDataArea(0);
GetDataArea(1);
GetDataArea(45);
GetDataArea(123);
GetDataArea(124);
GetDataArea(1999);
}
private static void GetDataArea(int pageIndex)
{
GetDataArea(ref startIndex,ref endIndex,pageIndex,pageSize,count);
Console.WriteLine("Page{2}\tArea is : \t{0} \t-- \t{1}",startIndex,endIndex,pageIndex);
}
private static void GetDataArea(ref int startIndex,ref int endIndex,int pageIndex,int pageSize,int count)
{
if(pageSize<=0||pageIndex<0||count<=0)
throw new ArgumentException ("All paramater should bigger than zero!");
try
{
startIndex=pageIndex*pageSize;
endIndex=startIndex+pageSize-1;
}
catch
{
throw new ArgumentOutOfRangeException("May be the argument too bigger than Design!");
}
if(startIndex+1>count)
{
GetDataArea(ref startIndex,ref endIndex,pageIndex-1,pageSize,count);
return;
}
if(count<endIndex+1)
endIndex=count-1;
}
#region Helper methods
public static void Main()
{
try
{
RunSnippet();
}
catch (Exception e)
{
string error = string.Format("---\nThe following error occurred while executing the snippet:\n{0}\n---", e.ToString());
Console.WriteLine(error);
}
finally
{
Console.Write("Press any key to continue...");
Console.ReadKey();
}
}
private static void WL(object text, params object[] args)
{
Console.WriteLine(text.ToString(), args);
}
private static void RL()
{
Console.ReadLine();
}
private static void Break()
{
System.Diagnostics.Debugger.Break();
}
#endregion
}
作者：KKcat
本文章为转载内容，我们尊重原作者对文章享有的著作权。如有内容错误或侵权问题，欢迎原作者联系我们进行内容更正或删除文章。
