VBA 代码报错：循环粘贴幻灯片时，ActivePresentation 指向空对象

'ModuleName="模块1" '强制申明所有变量 Option Explicit '声明全局变量 Dim pptApp As PowerPoint.Application Dim pptPres As PowerPoint.Presentation Dim pptSlide As PowerPoint.Slide Dim pptShape As PowerPoint.Shape Dim excelApp As Object Dim excelWorkbook As Object Dim excelWorksheet As Object Dim productFLD As Object Dim coverFLD As Object Dim productFIL As Object Dim coverFIL As Object Dim productSUBFLD As Object Dim coverSUBFLD As Object Dim xlsPath As String Dim productPath As String Dim coverPath As String Dim productName As String Dim coverName As String Dim fileExtension As String Dim n As Integer Dim C As Long Dim p As Long Dim rcount As Long '==========PPT批量插图主程序========== Sub PPT批量插图() '创建文件系统对象 Dim fso As Object Set fso = CreateObject("Scripting.FileSystemObject") '设置文件扩展名 fileExtension = ".jpg" '选择产品材料清单Excel文件 xlsPath = GetFilePath("请选择【导入】表单") If xlsPath = "" Then Exit Sub '选择产品图片文件夹 productPath = GetFolderPath("请选择【产品】文件夹") If productPath = "" Then Exit Sub '选择材料图片文件夹 coverPath = GetFolderPath("请选择【材料】文件夹") If coverPath = "" Then Exit Sub '创建Excel对象 Set excelApp = CreateObject("Excel.Application") excelApp.Visible = False '打开Excel文件 Set excelWorkbook = excelApp.Workbooks.Open(xlsPath) '获取工作表对象 Set excelWorksheet = excelWorkbook.Sheets("Sheet1") '获取工作表最后一行行号并给【行号变量】赋值 rcount = excelWorksheet.Cells(excelWorksheet.Rows.Count, "B").End(xlUp).Row '弹窗提示 If rcount < 2 Then '关闭Excel文件和退出Excel应用程序 excelWorkbook.Close SaveChanges:=False Set excelWorkbook = Nothing '释放对象 excelApp.Quit Set excelApp = Nothing '释放对象 '弹窗提示 MsgBox "好像没有货号哟，请修改后重试" Exit Sub End If '弹窗提示 If rcount > 51 Then '关闭Excel文件和退出Excel应用程序 excelWorkbook.Close SaveChanges:=False Set excelWorkbook = Nothing '释放对象 excelApp.Quit Set excelApp = Nothing '释放对象 '弹窗提示 MsgBox "导入货号不可以超过50行啦，请修改后重试" Exit Sub End If '弹窗提示 MsgBox "批量插图开始啦，这次共有" & rcount - 1 & "个货号" '从第2行到最后一行 For p = 2 To rcount ' 创建进度窗体 Dim prgForm As UserForm1 Set prgForm = New UserForm1 Dim totalSteps As Integer Dim processedSteps As Integer totalSteps = rcount - 1 processedSteps = p - 1 '显示窗体 prgForm.Show vbModeless ' 更新进度信息 prgForm.UpdateProgress processedSteps, totalSteps '产品名productName=B列p行单元格的值 '获取产品文件夹并赋值给productFLD productName = excelWorksheet.Cells(p, "B").value Set productFLD = fso.GetFolder(productPath) '材料名coverName=C列p行单元格的值 '获取材料文件夹并赋值给coverFLD coverName = excelWorksheet.Cells(p, "C").value Set coverFLD = fso.GetFolder(coverPath) '运行产品插图子程序 InsertProductPics productFLD, productName Next p '关闭Excel文件和退出Excel应用程序 excelWorkbook.Close SaveChanges:=False Set excelWorkbook = Nothing '释放对象 excelApp.Quit Set excelApp = Nothing '释放对象 '弹窗提示 MsgBox "任务完成啦" End Sub '==========产品插图子程序，检索文件夹和子文件夹并插入产品图片========== Sub InsertProductPics(ByVal productFLD As Object, ByVal productName As String) '命名子程序并定义其参数 '遍历（each）产品文件夹（productFLD）里的所有文件（.files）并赋值给productFIL For Each productFIL In productFLD.Files '判断图片是否存在，并且文件名中包含指定字符串，并且不含中文逗号 If LCase(Right(productFIL.Name, Len(fileExtension))) = LCase(fileExtension) _ And InStr(productFIL.Path, productName) <> 0 _ And InStr(productFIL.Path, "，") = 0 Then '获取当前活动的PPT文件 Set pptPres = ActivePresentation '如果没有打开PPT文件，则打开一个新的PPT文件 If ActivePresentation Is Nothing Then Set pptApp = CreateObject("PowerPoint.Application") pptApp.Visible = True Set pptPres = pptApp.Presentations.Add End If '复制第一张幻灯片 pptPres.Slides(1).Copy '粘贴至最后一张之后 pptPres.Slides.Paste pptPres.Slides.Count + 1 '选择最后这页幻灯片作为编辑对象 Set pptSlide = pptPres.Slides(pptPres.Slides.Count) '插入产品图片，设置坐标及长宽 With pptSlide.Shapes.AddPicture(FileName:=productFIL.Path, _ LinkToFile:=msoFalse, _ SaveWithDocument:=msoTrue, _ Left:=50, Top:=100, _ Width:=495, Height:=235) End With '运行材料插图子程序 InsertCoverPics coverFLD, coverName '运行文本框插入子程序 Call InsertTxtBox End If Next productFIL '递归地遍历文件夹中的所有子文件夹，搜索指定的产品名称并进行处理 For Each productSUBFLD In productFLD.SubFolders InsertProductPics productSUBFLD, productName Next productSUBFLD End Sub '==========材料插图子程序，检索文件夹和子文件夹并插入材料图片========== Sub InsertCoverPics(ByVal coverFLD As Object, ByVal coverName As String) '命名子程序并定义其参数 '获取当前活动的PPT文件 Set pptPres = ActivePresentation '选择最后这页幻灯片作为编辑对象 Set pptSlide = pptPres.Slides(pptPres.Slides.Count) '再次定义变量 Dim coverFIL As Object Dim coverSUBFLD As Object '遍历（each）材料文件夹（coverFLD）里的所有文件（.files）并赋值给coverFIL For Each coverFIL In coverFLD.Files '判断图片是否存在，并且文件名中包含指定字符串，并且不含中文逗号 If LCase(Right(coverFIL.Name, Len(fileExtension))) = LCase(fileExtension) _ And InStr(coverFIL.Path, coverName) <> 0 _ And InStr(coverFIL.Path, "，") = 0 Then '再次定义变量 Dim pptShape As PowerPoint.Shape '插入材料图片，设置坐标及长宽 With pptSlide.Shapes.AddPicture(FileName:=coverFIL.Path, _ LinkToFile:=msoFalse, _ SaveWithDocument:=msoTrue, _ Left:=675, Top:=100, _ Width:=125, Height:=80) End With End If Next coverFIL '递归地遍历文件夹中的所有子文件夹，搜索指定的材料名称并进行处理 For Each coverSUBFLD In coverFLD.SubFolders InsertCoverPics coverSUBFLD, coverName Next coverSUBFLD End Sub '==========文本框插入子程序========== Sub InsertTxtBox() For C = 2 To 3 With pptPres.Slides(pptPres.Slides.Count) With .Shapes.AddTextbox _ (msoTextOrientationHorizontal, 75 + (C - 2) * 600, 10 + (C - 2) * 170, 200 - (C - 2) * 75, 10) '文本框坐标及长宽 .TextFrame.TextRange.Font.Name = "微软雅黑" '字体 .TextFrame.TextRange.Font.Size = 28 - (C - 2) * 14 '字号 .TextFrame.TextRange.Font.Color = RGB(0, 0, 0) '字体颜色 .TextFrame.TextRange.Font.Bold = True '加粗 .TextFrame.TextRange.Text = excelWorksheet.Cells(p, C).value '文本内容 End With End With Next C End Sub '==========封装选择文件夹的函数========== Function GetFolderPath(ByVal dialogTitle As String) As String Dim fd As FileDialog Set fd = Application.FileDialog(msoFileDialogFolderPicker) With fd .Title = dialogTitle .AllowMultiSelect = False If .Show = -1 Then GetFolderPath = .SelectedItems(1) & "" Else GetFolderPath = "" End If End With End Function '==========封装选择文件的函数========== Function GetFilePath(ByVal dialogTitle As String) As String Dim fd As FileDialog Set fd = Application.FileDialog(msoFileDialogFilePicker) With fd .Title = dialogTitle .AllowMultiSelect = False .Filters.Clear .Filters.Add "Excel文件", ".xls;.xlsx" If .Show = -1 Then GetFilePath = .SelectedItems(1) Else GetFilePath = "" End If End With End Function