在.NET环境下将报表数据导出EXCEL和WORD

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在.NET环境下将报表数据导出EXCEL和WORD
李洪根

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    Private Function CreaTable() As DataTable
Dim dt As New DataTable()
dt.Columns.Add("列1", GetType(String))
dt.Columns.Add("列2", GetType(Integer))
dt.Columns.Add("列3", GetType(String))
dt.Columns.Add("列4", GetType(String))
Dim row, row1 As DataRow
row = dt.NewRow()
row!列1 = "行1"
row!列2 = 1
row!列3 = "d"
row!列4 = "a"
dt.Rows.Add(row)
row1 = dt.NewRow()
row1!列1 = "行2"
row1!列2 = 12
row1!列3 = "b"
row1!列4 = "c"
dt.Rows.Add(row1)
Return dt
End Function

                Dim xlApp As New Excel.Application()
Dim xlBook As Excel.Workbook
Dim xlSheet As Excel.Worksheet
Dim rowIndex, colIndex As Integer
rowIndex = 1
colIndex = 0
xlBook = xlApp.Workbooks().Add
xlSheet = xlBook.Worksheets("sheet1")
Dim Table As New DataTable()
Table = CreaTable()
'将所得到的表的列名,赋值给单元格
Dim Col As DataColumn
Dim Row As DataRow
For Each Col In Table.Columns
colIndex = colIndex + 1
xlApp.Cells(1, colIndex) = Col.ColumnName
Next
'得到的表所有行,赋值给单元格
For Each Row In Table.Rows
rowIndex = rowIndex + 1
colIndex = 0
For Each Col In Table.Columns
colIndex = colIndex + 1
xlApp.Cells(rowIndex, colIndex) = Row(Col.ColumnName)
Next
Next
With xlSheet
.Range(.Cells(1, 1), .Cells(1, colIndex)).Font.Name = "黑体"
'设标题为黑体字
.Range(.Cells(1, 1), .Cells(1, colIndex)).Font.Bold = True
'标题字体加粗
.Range(.Cells(1, 1), .Cells(rowIndex, colIndex)).Borders.LineStyle = 1
'设表格边框样式
End With
With xlSheet.PageSetup
.LeftHeader = "" & Chr(10) & "&""楷体_GB2312,常规""&10公司名称："   ' & Gsmc
.CenterHeader = "&""楷体_GB2312,常规""公司人员情况表&""宋体,常规""" & Chr(10) & "&""楷体_GB2312,常规""&10日 期："
.RightHeader = "" & Chr(10) & "&""楷体_GB2312,常规""&10单位："
.LeftFooter = "&""楷体_GB2312,常规""&10制表人："
.CenterFooter = "&""楷体_GB2312,常规""&10制表日期："
.RightFooter = "&""楷体_GB2312,常规""&10第&P页 共&N页"
End With
xlApp.Visible = True

                Dim wordApp As New Word.Application()
Dim myDoc As Word.Document
Dim oTable As Word.Table
Dim rowIndex, colIndex As Integer
rowIndex = 1
colIndex = 0
wordApp.Documents.Add()
myDoc = wordApp.ActiveDocument
Dim Table As New DataTable()
Table = CreaTable()
oTable = myDoc.Tables.Add(Range:=myDoc.Range(Start:=0, End:=0), NumRows:=Table.Rows.Count + 1, NumColumns:=Table.Columns.Count)
'将所得到的表的列名,赋值给单元格
Dim Col As DataColumn
Dim Row As DataRow
For Each Col In Table.Columns
colIndex = colIndex + 1
oTable.Cell(1, colIndex).Range.InsertAfter(Col.ColumnName)
Next
'得到的表所有行,赋值给单元格
For Each Row In Table.Rows
rowIndex = rowIndex + 1
colIndex = 0
For Each Col In Table.Columns
colIndex = colIndex + 1
oTable.Cell(rowIndex, colIndex).Range.InsertAfter(Row(Col.ColumnName))
Next
Next
oTable.Borders.InsideLineStyle = 1
oTable.Borders.OutsideLineStyle = 1
wordApp.Visible = True

总结：Microsoft Word 10.0（版本号）对象库提供了Word的大部分操作。类似的也有Microsoft Excel 对象库，我们可以用代码与Word和Excel进行会话并控制它们。还有很重要的一点，就是我们必须学会使用OFFICE软件的“宏”。“宏”是一系列的Word（或其它OFFICE软件）命令和指令的组合，都是生成VB代码。我们可用“工具/宏/录制新宏”来录制“宏”，录制完成后查看“宏”的代码就可以知道实现此功能的一系列的VB代码，我们把这些代码拷贝到VB.net编辑器中，稍微改动后就可以使用。要想做好OFFICE开发，必须用好VBA和“宏”。