为你做了EPPlus的示例,源码地址:https://gitee.com/rector/epplus-demo
详情看你之前的提问:
```c#
Workbook workbook = new Workbook();
workbook.LoadFromFile(@"D:\工作簿1.xlsx");
Workbook workbook2 = new Workbook();
workbook2.LoadFromFile(@"D:\工作簿2.xlsx");
var c = workbook.Worksheets[0].Columns[0];
for (int i = 1; i < c.Rows.Length; i++)
{
Console.WriteLine(c.Rows[i].Value);
workbook2.Worksheets[0].Rows[i].Columns[1].Value = c.Rows[i].Value;
}
workbook2.Save();
```