Dim dlg As New OpenFileDialog '定义一个新的OpenFileDialog dlg.Filter= "Excel文件|*.xlsx" '设置筛选器 If dlg.ShowDialog = DialogResult.Ok Then '如果用户单击了确定按钮 Dim ip As New Importer ip.SourcePath = dlg.FileName '指定数据文件 ip.SourceTableName = "PartMaterial$" '指定要导入的表 ip.NewTableName ="主料明细" '导入后的表名 ip.Import() End If