问在Python中将多个CSV文件合并到电子表格的单独选项卡中

EN

writer = pd.ExcelWriter('out.xlsx', engine='xlsxwriter')
df_from_each_file = (pd.read_csv(f) for f in all_files)

for idx, df in enumerate(df_from_each_file):
    df.to_excel(writer, sheet_name='data{0}.csv'.format(idx))

writer.save()

import os

writer = pd.ExcelWriter('out.xlsx', engine='xlsxwriter')

for f in all_files:
    df = pd.read_csv(f)
    df.to_excel(writer, sheet_name=os.path.basename(f))

writer.save()

import os
import pandas as pd
import glob

path = './'
all_files = glob.glob(os.path.join(path, "*.csv"))

writer = pd.ExcelWriter('out.xlsx', engine='xlsxwriter')

for f in all_files:
    df = pd.read_csv(f)
    df.to_excel(writer, sheet_name=os.path.splitext(os.path.basename(f))[0], index=False)

writer.save()

' Merge data from multiple sheets into separate sheets
Sub R_AnalysisMerger2()
    Dim WSA As Worksheet
    Dim bookList As Workbook
    Dim SelectedFiles As Variant
    Dim NFile As Long
    Dim FileName As String
    Dim Ws As Worksheet, vDB As Variant, rngT As Range
    Dim vFn, myFn As String

    Application.ScreenUpdating = False

    SelectedFiles = Application.GetOpenFilename(filefilter:="Excel Files (*.csv*), *.csv*", MultiSelect:=True)
    If IsEmpty(SelectedFiles) Then Exit Sub

    For NFile = LBound(SelectedFiles) To UBound(SelectedFiles)
        FileName = SelectedFiles(NFile)
        vFn = Split(FileName, "\")
        myFn = vFn(UBound(vFn))
        myFn = Replace(myFn, ".csv", "")
        Set bookList = Workbooks.Open(FileName, Format:=2)
        Set WSA = bookList.Sheets(1)
        vDB = WSA.UsedRange
        bookList.Close (0)
        Set Ws = Sheets.Add(after:=Sheets(Sheets.Count))
        ActiveSheet.Name = myFn
        Ws.Range("a1").Resize(UBound(vDB, 1), UBound(vDB, 2)) = vDB
    Next
    Application.ScreenUpdating = True

End Sub

' Merge data from multime files into one sheet.
Sub R_AnalysisMerger()
    Dim WSA As Worksheet
    Dim bookList As Workbook
    Dim SelectedFiles() As Variant
    Dim NFile As Long
    Dim FileName As String
    Dim Ws As Worksheet, vDB As Variant, rngT As Range

    Application.ScreenUpdating = False


    Set Ws = ThisWorkbook.Sheets(1)
    Ws.UsedRange.Clear
    'change folder path of excel files here
    SelectedFiles = Application.GetOpenFilename(filefilter:="Excel Files (*.csv*), *.csv*", MultiSelect:=True)


    For NFile = LBound(SelectedFiles) To UBound(SelectedFiles)
        FileName = SelectedFiles(NFile)
        Set bookList = Workbooks.Open(FileName, Format:=2)
        Set WSA = bookList.Sheets(1)
        With WSA
            vDB = .UsedRange
            Set rngT = Ws.Range("a" & Rows.Count).End(xlUp)(2)
            If rngT.Row = 2 Then Set rngT = Ws.Range("a1")
            rngT.Resize(UBound(vDB, 1), UBound(vDB, 2)) = vDB

            bookList.Close (0)
        End With
    Next
    Application.ScreenUpdating = True
    Ws.Range("A1").Select

End Sub