Sub ConvertExcelToPDF() ' 定义变量 Dim objFSO As Object Dim objFolder As Object Dim objFile As Object Dim objExcel As Object Dim objWorkbook As Object Dim objPDFPrinter As Object Dim strFolderPath As String Dim strFileName As String Dim strPDFFileName As String Dim i As Long ' 设置打印机为 Microsoft Print to PDF Set objPDFPrinter = CreateObject("WScript.Network") objPDFPrinter.SetDefaultPrinter "Microsoft Print to PDF" ' 设置文件夹路径 strFolderPath = Environ("USERPROFILE") & "\Desktop\1\" ' 创建文件系统对象 Set objFSO = CreateObject("Scripting.FileSystemObject") ' 获取文件夹对象 Set objFolder = objFSO.GetFolder(strFolderPath) ' 遍历文件夹下的所有 Excel 文件 For Each objFile In objFolder.Files If objFSO.GetExtensionName(objFile.Path) = "xlsx" Then ' 打开 Excel 文件 Set objExcel = CreateObject("Excel.Application") Set objWorkbook = objExcel.Workbooks.Open(objFile.Path) ' 构造 PDF 文件名 strFileName = objFSO.GetFileName(objFile.Path) strPDFFileName = objFSO.BuildPath(objFolder.Path, objFSO.GetBaseName(strFileName)) & ".pdf" ' 将文件保存为 PDF 格式 objWorkbook.ExportAsFixedFormat Type:=xlTypePDF, Filename:=strPDFFileName ' 关闭 Excel 文件 objWorkbook.Close False objExcel.Quit ' 显示正在处理的文件名 Application.StatusBar = "正在处理：" & strFileName ' 等待 1 秒，以便显示下一个文件名 Application.Wait Now + TimeValue("0:00:01") End If Next objFile ' 恢复状态栏 Application.StatusBar = False ' 释放对象 Set objFolder = Nothing Set objFile = Nothing Set objExcel = Nothing Set objWorkbook = Nothing Set objPDFPrinter = Nothing Set objFSO = NothingEnd Sub 使用用户窗体显示进度消息

可以在代码中添加一个用户窗体（UserForm），并在其中添加一个标签（Label），用于显示进度消息。在代码中，可以使用 UserForm.Show 方法显示用户窗体，在 For 循环中，可以更新标签的 Caption 属性，以显示正在处理的文件名。最后，可以使用 UserForm.Hide 方法隐藏用户窗体。以下是修改后的代码示例：

Sub ConvertExcelToPDF()
    ' 定义变量
    Dim objFSO As Object
    Dim objFolder As Object
    Dim objFile As Object
    Dim objExcel As Object
    Dim objWorkbook As Object
    Dim objPDFPrinter As Object
    Dim strFolderPath As String
    Dim strFileName As String
    Dim strPDFFileName As String
    Dim i As Long
    ' 创建用户窗体
    Dim frmProgress As UserForm
    Set frmProgress = UserForms.Add("frmProgress")
    frmProgress.Caption = "转换进度"
    frmProgress.Width = 300
    frmProgress.Height = 100
    frmProgress.Show
    ' 设置打印机为 Microsoft Print to PDF
    Set objPDFPrinter = CreateObject("WScript.Network")
    objPDFPrinter.SetDefaultPrinter "Microsoft Print to PDF"
    ' 设置文件夹路径
    strFolderPath = Environ("USERPROFILE") & "\Desktop\1\"
    ' 创建文件系统对象
    Set objFSO = CreateObject("Scripting.FileSystemObject")
    ' 获取文件夹对象
    Set objFolder = objFSO.GetFolder(strFolderPath)
    ' 遍历文件夹下的所有 Excel 文件
    For Each objFile In objFolder.Files
        If objFSO.GetExtensionName(objFile.Path) = "xlsx" Then
            ' 打开 Excel 文件
            Set objExcel = CreateObject("Excel.Application")
            Set objWorkbook = objExcel.Workbooks.Open(objFile.Path)
            ' 构造 PDF 文件名
            strFileName = objFSO.GetFileName(objFile.Path)
            strPDFFileName = objFSO.BuildPath(objFolder.Path, objFSO.GetBaseName(strFileName)) & ".pdf"
            ' 将文件保存为 PDF 格式
            objWorkbook.ExportAsFixedFormat Type:=xlTypePDF, Filename:=strPDFFileName
            ' 关闭 Excel 文件
            objWorkbook.Close False
            objExcel.Quit
            ' 显示正在处理的文件名
            frmProgress.lblProgress.Caption = "正在处理：" & strFileName
            ' 等待 1 秒，以便显示下一个文件名
            Application.Wait Now + TimeValue("0:00:01")
        End If
    Next objFile
    ' 隐藏用户窗体
    frmProgress.Hide
    ' 恢复状态栏
    Application.StatusBar = False
    ' 释放对象
    Set objFolder = Nothing
    Set objFile = Nothing
    Set objExcel = Nothing
    Set objWorkbook = Nothing
    Set objPDFPrinter = Nothing
    Set objFSO = Nothing
End Sub