使用NOPI写入Excel基础代码

using NPOI.XSSF.UserModel;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace 学习NOPI
{
    class Program
    {
        static void Main(string[] args)
        {
            //创建workbook工作簿
            XSSFWorkbook workbook = new XSSFWorkbook();
            //在workbook工作簿下创建两个工作表
            workbook.CreateSheet("SheetFirst");
            workbook.CreateSheet("SheetSecond");
            //获取工作表SheetFirst
            XSSFSheet worksheet = (XSSFSheet)workbook.GetSheet("SheetFirst");
            //在工作表下面创建10行
            for (int i = 0; i < 10; i++)
            {
                worksheet.CreateRow(i);
            }
            //获取10行中的首行
            XSSFRow sheetrow = (XSSFRow)worksheet.GetRow(0);
            //申明一个长度10的单元格数组
            XSSFCell[] sheetcell = new XSSFCell[10];

            for (int i = 0; i < sheetcell.Length; i++)
            {   //创建10个单元格
                sheetcell[i] = (XSSFCell)sheetrow.CreateCell(i);
                //分别赋值
                sheetcell[i].SetCellValue(i);
            }
            //写入流
            using (FileStream fs = new FileStream("TestNOPI.xlsx", FileMode.Create))
            {
                workbook.Write(fs);
            }
            Console.WriteLine("OK");
            Console.ReadKey();

        }
    }
}