Dim drs As List(of DataRow) = DataTables("表名").Select("","第一列")
Dim Book As New XLS.Book '定义一个Excel工作簿
Dim Sheet As XLS.Sheet = Book.Sheets(0) '引用工作簿的第一个工作表
For c As Integer = 0 To nms.length -1
Sheet(0, c).Value = caps(c) '指定列标题
Sheet.Cols(c).Width = szs(c) '指定列宽
Next
For r As Integer = 0 To dt.Rows.Count - 1 '填入数据
For c As Integer = 0 To nms.length -1
Sheet(r +1, c).Value = drs(r)(nms(c))
Next
Next