vb编程后怎么生成多个文件

时间:2025-01-24 16:43:07 游戏攻略

在VB编程中,生成多个文件可以通过以下几种方法实现:

同时生成多个CSV文件

可以通过打开多个文件句柄并写入数据来同时生成多个CSV文件。以下是一个示例代码:

```vb

Private Sub button1_click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles button1.click

' 创建(写入)一个文本文件

Dim mystream As New System.IO.FileStream(Application.StartupPath & "\ssk.csv", System.IO.FileMode.Create)

Dim mywriter As New System.IO.StreamWriter(mystream, System.Text.Encoding.Default)

mywriter.WriteLine("1111")

mywriter.WriteLine("2222")

mywriter.WriteLine("3333")

mywriter.WriteLine("4444")

mywriter.Close()

mystream.Close()

' 创建(写入)另一个文本文件

Dim mystream2 As New System.IO.FileStream(Application.StartupPath & "\ssk2.csv", System.IO.FileMode.Create)

Dim mywriter2 As New System.IO.StreamWriter(mystream2, System.Text.Encoding.Default)

mywriter2.WriteLine("5555")

mywriter2.WriteLine("6666")

mywriter2.WriteLine("7777")

mywriter2.WriteLine("8888")

mywriter2.Close()

mystream2.Close()

End Sub

```

根据数据生成多个PDF文件

可以使用VBA代码根据Excel数据的每一行生成单独的PDF文档。以下是一个示例代码:

```vba

Sub 一键生成PDF()

' 声明变量

Dim ws As Worksheet

Dim lastRow As Long

Dim i As Long

Dim rng As Range

Dim filePath As String

' 设置目标工作表

Set ws = ThisWorkbook.Sheets(1) ' 默认使用第一个工作表

' 获取数据的最后一行

lastRow = ws.Cells(ws.Rows.Count, 1).End(xlUp).Row

' 循环遍历每一行数据

For i = 2 To lastRow

' 设置当前行的数据范围

Set rng = ws.Rows(i)

' 定义导出文件的路径和名称

filePath = ThisWorkbook.Path & "\文档_" & ws.Cells(i, 1).Value & ".pdf"

' 将当前行导出为PDF

rng.ExportAsFixedFormat Type:=xlTypePDF, Filename:=filePath, Quality:=xlQualityStandard

Next i

End Sub

```

生成多个特定类型的文件

可以编写代码来生成多个特定类型的文件,例如Controller、Service、DAO文件等。以下是一个示例代码:

```vb

Sub GenerateMultipleFiles()

Dim fileInputName As String

fileInputName = InputBox("请输入文件名:")

' 生成Controller文件

Dim controllerFile As String

controllerFile = "Controllers\" & fileInputName & "Controller.vb"

' 生成Service文件

Dim serviceFile As String

serviceFile = "Services\" & fileInputName & "Service.vb"

' 生成DAO文件

Dim daoFile As String

daoFile = "DAOs\" & fileInputName & "DAO.vb"

' 创建文件

CreateFile controllerFile

CreateFile serviceFile

CreateFile daoFile

End Sub

Sub CreateFile(filePath As String)

Dim fileNum As Integer

fileNum = FreeFile

' 创建文件

Open filePath For Output As fileNum

Close fileNum

End Sub

```

定时生成多个文件

可以使用VB的Timer控件定时生成多个文件。以下是一个示例代码:

```vb

Option Explicit

Private Sub Form_Load()

Timer1.Enabled = True

Timer1.Interval = 1000

End Sub

Private Sub Timer1_Timer()

Dim filename As String

filename = App.Path & "\" & Format(Time, "HHMMSS") & ".txt"

Open filename For Output As 1

Print 1, "内容"

Close 1

End Sub

```

这些