blocks|key|1183456|text|只要录个宏就可以帮你做这件事了。我这样做了，我得到了下面的代码。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1183457|Sub+Makro1()

Workbooks.Open+Filename:="C:\Users\Excel\Desktop\Coding\R+Programming\Merge+Multiple+CSV+Files\CSV5.csv",+Local:=True

Rows("1:1").Select
Selection.Insert+Shift:=xlDown,+CopyOrigin:=xlFormatFromLeftOrAbove

Range("A1").Select
ActiveCell.FormulaR1C1+=+"field1"
Range("B1").Select
ActiveCell.FormulaR1C1+=+"field2"
Range("C1").Select
ActiveCell.FormulaR1C1+=+"field3"
Range("A1").Select
ActiveWorkbook.Save

End+Sub|code-block|syntax|javascript|1183458|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

Just record a Macro to do the work for you. I did that, and I got this code, below.

<pre><code>Sub Makro1()

Workbooks.Open Filename:="C:\Users\Excel\Desktop\Coding\R Programming\Merge Multiple CSV Files\CSV5.csv", Local:=True

Rows("1:1").Select
Selection.Insert Shift:=xlDown, CopyOrigin:=xlFormatFromLeftOrAbove

Range("A1").Select
ActiveCell.FormulaR1C1 = "field1"
Range("B1").Select
ActiveCell.FormulaR1C1 = "field2"
Range("C1").Select
ActiveCell.FormulaR1C1 = "field3"
Range("A1").Select
ActiveWorkbook.Save

End Sub
</code></pre>

blocks|key|2371647|text|对于这样的任务，FileSystemObject是一个很好的工具：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2371648|Public+Function+InsertLine()

++++Const+TmpExtension++++++As+String+=+".tmp"
++++Const+BakExtension++++++As+String+=+".bak"

++++Dim+FileSystemObject++++As+Scripting.FileSystemObject
++++Dim+SourceStream++++++++As+Scripting.TextStream
++++Dim+TargetStream++++++++As+Scripting.TextStream

++++Dim+Fields++++++++++++++As+Variant
++++Dim+Values++++++++++++++As+Variant
++++Dim+FieldCount++++++++++As+Long
++++Dim+Item++++++++++++++++As+Long
++++Dim+Field+++++++++++++++As+String
++++Dim+FileName++++++++++++As+String
++++Dim+BaseName++++++++++++As+String
++++Dim+TempFileName++++++++As+String
++++Dim+Path++++++++++++++++As+String
++++Dim+Extension+++++++++++As+String
++++Dim+DotExtension++++++++As+String
++++Dim+TextLine++++++++++++As+String

++++Set+FileSystemObject+=+New+Scripting.FileSystemObject

++++'+File+to+modify.
++++FileName+=+"c:\test\timezone.csv"

++++BaseName+=+FileSystemObject.GetBaseName(FileName)
++++Extension+=+FileSystemObject.GetExtensionName(FileName)
++++Path+=+FileSystemObject.GetParentFolderName(FileName)
++++DotExtension+=+"."+&+Extension
++++TempFileName+=+BaseName+&+TmpExtension

++++Set+SourceStream+=+FileSystemObject.OpenTextFile(FileName,+ForReading)
++++Set+TargetStream+=+FileSystemObject.CreateTextFile(TempFileName,+ForWriting)

++++'+Read+header+line.
++++TextLine+=+SourceStream.ReadLine
++++'+Copy+header+line.
++++TargetStream.WriteLine+TextLine

++++'+Create+line+two.
++++Fields+=+Split(TextLine,+",")
++++'+FYI.
++++FieldCount+=+UBound(Fields)
++++'+Array+to+hold+values.
++++Values+=+Fields
++++For+Item+=+LBound(Fields)+To+UBound(Fields)
++++++++Select+Case+Item
++++++++++++Case+0
++++++++++++++++Field+=+"SomeValue"
++++++++++++Case+1
++++++++++++++++Field+=+"OtherValue"
++++++++++++Case+2
++++++++++++++++Field+=+"YetAValue"
++++++++++++'+etc.
++++++++++++Case+Else
++++++++++++++++Field+=+CStr(Item)
++++++++End+Select
++++++++Values(Item)+=+Chr(34)+&+Field+&+Chr(34)
++++Next
++++'+Write+line+two.
++++TargetStream.WriteLine+Join(Values,+",")

++++'+Copy+remaining+lines.
++++While+Not+SourceStream.AtEndOfStream
++++++++TargetStream.WriteLine+SourceStream.ReadLine
++++Wend
++++'+Close+files.
++++SourceStream.Close
++++TargetStream.Close

++++'+Rename+files.
++++FileSystemObject.MoveFile+FileName,+FileSystemObject.BuildPath(Path,+BaseName+&+BakExtension)
++++FileSystemObject.MoveFile+TempFileName,+FileSystemObject.BuildPath(Path,+BaseName+&+DotExtension)

End+Function|code-block|syntax|javascript|2371649|需要将引用集设置为:+Microsoft.Scripting.Runtime|2371650|entityMap^0|0|0|0^^$0|@$1|2|3|4|5|6|7|K|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|L|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|M|8|@]|9|@]|A|$]]|$1|I|3|-4|5|6|7|N|8|@]|9|@]|A|$]]]|J|$]]

The FileSystemObject is an excellent tool for such tasks:

<pre><code>Public Function InsertLine()

 Const TmpExtension As String = ".tmp"
 Const BakExtension As String = ".bak"

 Dim FileSystemObject As Scripting.FileSystemObject
 Dim SourceStream As Scripting.TextStream
 Dim TargetStream As Scripting.TextStream

 Dim Fields As Variant
 Dim Values As Variant
 Dim FieldCount As Long
 Dim Item As Long
 Dim Field As String
 Dim FileName As String
 Dim BaseName As String
 Dim TempFileName As String
 Dim Path As String
 Dim Extension As String
 Dim DotExtension As String
 Dim TextLine As String

 Set FileSystemObject = New Scripting.FileSystemObject

 ' File to modify.
 FileName = "c:\test\timezone.csv"

 BaseName = FileSystemObject.GetBaseName(FileName)
 Extension = FileSystemObject.GetExtensionName(FileName)
 Path = FileSystemObject.GetParentFolderName(FileName)
 DotExtension = "." &amp; Extension
 TempFileName = BaseName &amp; TmpExtension

 Set SourceStream = FileSystemObject.OpenTextFile(FileName, ForReading)
 Set TargetStream = FileSystemObject.CreateTextFile(TempFileName, ForWriting)

 ' Read header line.
 TextLine = SourceStream.ReadLine
 ' Copy header line.
 TargetStream.WriteLine TextLine

 ' Create line two.
 Fields = Split(TextLine, ",")
 ' FYI.
 FieldCount = UBound(Fields)
 ' Array to hold values.
 Values = Fields
 For Item = LBound(Fields) To UBound(Fields)
 Select Case Item
 Case 0
 Field = "SomeValue"
 Case 1
 Field = "OtherValue"
 Case 2
 Field = "YetAValue"
 ' etc.
 Case Else
 Field = CStr(Item)
 End Select
 Values(Item) = Chr(34) &amp; Field &amp; Chr(34)
 Next
 ' Write line two.
 TargetStream.WriteLine Join(Values, ",")

 ' Copy remaining lines.
 While Not SourceStream.AtEndOfStream
 TargetStream.WriteLine SourceStream.ReadLine
 Wend
 ' Close files.
 SourceStream.Close
 TargetStream.Close

 ' Rename files.
 FileSystemObject.MoveFile FileName, FileSystemObject.BuildPath(Path, BaseName &amp; BakExtension)
 FileSystemObject.MoveFile TempFileName, FileSystemObject.BuildPath(Path, BaseName &amp; DotExtension)

End Function
</code></pre>

Requires a Reference set to: Microsoft.Scripting.Runtime

I have searched a lot but most of results were related to excel. So I could not find any clue to my answer.

I am trying to this by ms access2010:

I have several csv files with headers on the first row. all fields are delimited by , and they are all string(double quoted, they have many , in the double quotation).

I don't know how many columns are there in each of csv file.
I want to insert new row between first row(header) and second row.

How can I find out how many columns csv file has?
And how can I append new text line on the second row?

VBA Add row to csv file

翻译质量差，导致语言生硬或混乱。

没有提供实际的解决方法或示例。

解答不清晰，无法理解或解决问题。

页面排版不美观，阅读体验差。

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我已经搜索了很多，但大多数结果都与excel有关。所以我找不到任何答案的线索。Access2010女士正在尝试这样做：我有几个csv文件，头在第一行。所有字段都是由字符串分隔的，它们都是字符串(双引号中有很多)。我不知道每个csv文件中有多少列。我想在第一行(标题)和第二行之间插入新行。如何知道csv文件有多少列？如何...

问VBA向csv文件中添加行
EN

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