Dim dt As Table = Tables("餐费数据明细")
Dim nms() As String = {"所属年份","所属月份","姓名","部门","项目编号","金额"} '要导出的列名
Dim caps() As String = {"所属年份","所属月份","姓名","部门","项目编号","金额"} '对应的列标题
Dim szs() As Integer = {80,80,80,110,110,80} '对应的列宽
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
Dim st As XLS.Style = Book.NewStyle '日期列的显示格式
st.Format = "yyyy-MM-dd"
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
If dt.Cols(nms(c)).IsDate Then '如果是日期列
Sheet.Cols(c).Style = st '设置显示格式
End If
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 = dt.rows(r)(nms(c))
Next
Next
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