1、字体大小到样式处理
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"
st.font = New Font("宋体",9)
Dim st2 As XLS.Style = Book.NewStyle '日期列的显示格式
st2.font = New Font("宋体",9)
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
else
Sheet.Cols(c).Style = st2
End If
Next
2、空值在赋值的时候判断一下
For r As Integer = 0 To dt.Rows.Count - 1 '填入数据
For c As Integer = 0 To nms.length - 1
if nms(c) = "借方金额" orelse nms(c) = "贷方金额"
if dt.rows(r)(nms(c)) <> 0 then
Sheet(r + 1, c).Value = dt.rows(r)(nms(c))
end if
else
Sheet(r + 1, c).Value = dt.rows(r)(nms(c))
end if
Next
Next