需要导入的jar包 具体实现 public class ColumnToString { public static void main(String[] args) { new ColumnToString().read(); } public void read() { File file = new File("Excel 文件位置(C:\\myExcel.xlsx)"); InputStream inputStream = null; Workbook workbook = n
1.导入NPOI.dll 2.添加类NPOIExcel.cs using System; using System.Collections.Generic; using System.Text; using System.Data; using System.Data.OleDb; using System.IO; using System.Drawing; using NPOI.HSSF.UserModel; using NPOI.SS.UserModel; using NPOI.XSSF.U