数据分页的另一种写法

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ConsoleApplication7
{
class Program
{
static void Main(string[] args)
{
List<int> deletedList=new List<int>();
for (int i = 0; i < 1785; i++)
{
deletedList.Add(i);
}
string tempSql = "delete from ccr where id in (";
int pageSize = 3;
int tempIdsCount = 0;
int totalCount = deletedList.Count;
int pageCount = (totalCount - 1) / pageSize + 1;
int currentPageIndex = 1;
//删除采用分批次去删除防止超时
for (var i = 0; i < deletedList.Count; i++)
{
tempSql += deletedList[i] + ",";
tempIdsCount++;
if (currentPageIndex < pageCount)
{
if (tempIdsCount >= pageSize)
{
tempSql =tempSql.TrimEnd(‘,‘) + ")";
try
{
Console.WriteLine("第"+currentPageIndex+"页\r\n:");
Console.WriteLine(tempSql);
}
catch (Exception ex)
{
//JSUtil.log(ex.Message);
}
tempIdsCount = 0;
tempSql = "delete from RiskBookSelection where Id in (";
currentPageIndex++;
}
}
else
{
tempSql = "delete from RiskBookSelection where Id in (";
int skip = totalCount - (pageCount - 1) * pageSize;
int ii = i;
for (var j = ii; j <= ii + skip - 1; j++)
{
tempSql += deletedList[j] + ",";
}
tempSql =tempSql.TrimEnd(‘,‘) + ")";

//这里可能由于我的计算误差有两个未删除这里独立再删除一次 修改者kexb
Console.WriteLine("最后一页\r\n");
Console.WriteLine(tempSql);


break;
}

}
Console.ReadKey();
}
}
}

数据分页的另一种写法

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原文地址：http://www.cnblogs.com/kexb/p/4710178.html