Unity

工具：UniExcel插件Unity-Unity3D文档类资源-CSDN下载

下载了官方手册：pdf

文件路径：string outPutDir = Application.dataPath + "\" + "MyExcel.xls";

1.1（创建/修改）没有打开的表格：

using (ExcelPackage package = new ExcelPackage(new FileInfo(Application.dataPath + "\" + "MyExcel.xls")))
        {
            worksheet = package.Workbook.Worksheets.Add("我的Excel");
            worksheet.Cells[1, 1].Value = "1A";
            worksheet.Cells[1, 2].Value = "1B";
            worksheet.Cells[1, 3].Value = "1C";
            package.Save();
        }

1.2（读）可以是已经打开的表格：

        FileStream fs = File.Open(readPath, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
        IExcelDataReader excelRead = ExcelReaderFactory.CreateOpenXmlReader(fs);
        DataSet result = excelRead.AsDataSet();
        //行 Tables[0]表示的是表1
        int row = result.Tables[0].Rows.Count;
        //列
        int columns = result.Tables[0].Columns.Count;

ps：表格索引也可以用string表示：worksheet.Cells[A1].Value = "1A";

2.(合并/拆分)单元格：

using (ExcelPackage package = new ExcelPackage(new FileInfo(Application.dataPath + "\" + "MyExcel.xls")))
        {
            worksheet = package.Workbook.Worksheets[1];
            worksheet.Cells[1, 1, 3, 3].Merge = true;//合并
            worksheet.Cells[1, 1, 3, 3].Merge = false;//拆分
            package.Save();
        }  

ps：合并之后表格显示为索引值最小的表格的值，但是被合并表格的值依然存在，也可通过代码操作

3.设置 字体，字号，字色：

//设置样式大小和颜色

            worksheet.Cells["F1"].Value = "123";

            worksheet.Cells["F1"].Style.Font.Size = 20;

            worksheet.Cells["F2"].Style.Font.Name = "宋体";

            worksheet.Cells["F1"].Style.Border.BorderAround(OfficeOpenXml.Style.ExcelBorderStyle.Thin);

4.