C# 报表功能

C# 报表功能

 public class ExcelHelper
 {
     ExcelPackage objExcelPage;

     public ExcelHelper(string excelPath)
     {
         objExcelPage = new ExcelPackage(new FileInfo(excelPath));
     }
     public void Write(int sheetIndex, int rowIndex, int columnIndex, string msg)
     {
         objExcelPage.Workbook.Worksheets[sheetIndex].Cells[rowIndex, columnIndex].Value = msg;
     }
     public string Read(int sheetIndex, int rowIndex, int columnIndex)
     {
         return objExcelPage.Workbook.Worksheets[sheetIndex].Cells[rowIndex, columnIndex].Value.ToString();
     }
     public void Close()
     {
         objExcelPage.Dispose();
     }
     public void SaveAs(string path)
     {
         objExcelPage.SaveAs(new FileInfo(path));
         // 关闭Excel对象
         objExcelPage.Dispose();
     }
 }

需引用EPPlus.dll（在NuGet中下载）

命名空间：using OfficeOpenXml;