注意事项：开发前需要导入NPOI 相关DLL库
DLL库下载链接：https://download.csdn.net/download/U3DCoder/40739654
相关读取和创建代码如下所示：
using NPOI.HSSF.UserModel;
using NPOI.HSSF.Util;
using NPOI.SS.UserModel;
using NPOI.XSSF.UserModel;
using System.IO;
using UnityEngine;
using System.Collections.Generic;
public class ReadExcelManager : Singleton<ReadExcelManager>
{
private string filePath;
private Dictionary<string, string> dataDic=new Dictionary<string, string>();
/// <summary>
/// 使用NPOI库读取 Excel
/// </summary>
/// <param name="fileName"></param>
/// <param name="sheetName"></param>
public void ReadExcelWithNPOI(string fileName, string sheetName)
{
dataDic = new Dictionary<string, string>();
if (Application.platform == RuntimePlatform.Android)
{
filePath = "/storage/emulated/0/" + "/ExcelFiles/" + fileName;
}
else
{
filePath = Application.streamingAssetsPath + "/ExcelFiles/" + fileName;
}
string extension = Path.GetExtension(filePath);
ISheet sheet;
if (extension.Equals(".xlsx"))
{
//excel 2007之后版本
XSSFWorkbook xSSFWorkbook;
xSSFWorkbook = new XSSFWorkbook(filePath);
sheet = xSSFWorkbook.GetSheet(sheetName);
}
else
{
//excel 2007之前版本
HSSFWorkbook hSSFWorkbook;
using (FileStream fileStream = new FileStream(filePath, FileMode.Open, FileAccess.Read, FileShare.Read))
{
hSSFWorkbook = new HSSFWorkbook(fileStream);
//获取对应 的表
sheet = hSSFWorkbook.GetSheet(sheetName);
}
}
//获取行数
int rowLength = sheet.LastRowNum;
Debug.Log(rowLength);
//遍历所有行
for (int i = 0; i <= sheet.LastRowNum; i++)
{
//获取行
IRow sheet_row = sheet.GetRow(i);
//当前行为null时，跳过此行
if (sheet_row == null) continue;
//Debug.LogError("ID：：" + sheet_row.GetCell(0).ToString());
//Debug.LogError("内容：：" + sheet_row.GetCell(1).ToString());
//遍历行的所有列
for (int j = 0; j < sheet_row.LastCellNum; j++)
{
Debug.LogError("内容：：" + sheet_row.GetCell(j).ToString());
}
}
}
/// <summary>
/// 使用NPOI库创建 Excel 版本小于2007
/// </summary>
/// <param name="createPpath">创建的文件路径包含文件名称</param>
void CreateExcelWithNPOI(string createPpath)
{
FileStream MyAddress = new FileStream(createPpath, FileMode.OpenOrCreate, FileAccess.ReadWrite, FileShare.ReadWrite);
HSSFWorkbook MyWorkbook = new HSSFWorkbook();
//创建表一
HSSFSheet Sheet01 = (HSSFSheet)MyWorkbook.CreateSheet("表一");
for (int i = 0; i < 5; i++)
{
//创建行
HSSFRow row = (HSSFRow)Sheet01.CreateRow(i);
for (int b = 0; b < 3; b++)
{
//创建列
HSSFCell cell = (HSSFCell)row.CreateCell(b);
//添加内容
cell.SetCellValue("数值" + i * b);
if (b < 2) continue;
//创建单元格样式
cell.CellStyle = MyWorkbook.CreateCellStyle();
//边界右侧
cell.CellStyle.BorderRight = BorderStyle.Thin;
//边框底部
cell.CellStyle.BorderBottom = BorderStyle.Dashed;
//下边框颜色
cell.CellStyle.BottomBorderColor = HSSFColor.Red.Index;
//创建字体样式
HSSFFont MyFont = (HSSFFont)MyWorkbook.CreateFont();
MyFont.FontName = "Tahoma";
MyFont.FontHeightInPoints = 14;
MyFont.Color = HSSFColor.Gold.Index;
MyFont.Boldweight = (short)FontBoldWeight.Bold;
//设置字体样式
cell.CellStyle.SetFont(MyFont);
}
//创建单元格样式
row.RowStyle = MyWorkbook.CreateCellStyle();
//边框底部
row.RowStyle.BorderBottom = BorderStyle.Double;
}
//创建表二
HSSFSheet Sheet02 = (HSSFSheet)MyWorkbook.CreateSheet("表二");
for (int i = 0; i < 5; i++)
{
HSSFRow row = (HSSFRow)Sheet02.CreateRow(i);
for (int b = 0; b < 3; b++)
{
HSSFCell cell = (HSSFCell)row.CreateCell(b);
cell.SetCellValue("数值" + i * b);
}
}
//写入到文件流
MyWorkbook.Write(MyAddress);
//关闭
MyWorkbook.Close();
//关闭文件流
MyAddress.Dispose();
}
}