import openpyxlworkbook = openpyxl.load_workbook(r"C:\Users\PC\Desktop\EDRMHelper2\TRDP显示故障清单设置_生成.xlsx") #打开工作间worksheet = workbook.get_sheet_by_name('Sheet1') #打开该表格for i in range(2,2774): fault_code = int(worksheet.cell(i,1).value) if fault_code < 10: print(worksheet.cell(i, 1).value + " ＜ 10",'\n') worksheet.cell(i,1,'000' + str(fault_code)) elif fault_code < 100: print(worksheet.cell(i, 1).value + " ＜ 100", '\n') worksheet.cell(i, 1, '00' + str(fault_code)) elif fault_code < 1000: print(worksheet.cell(i, 1).value + " ＜ 1000", '\n') worksheet.cell(i, 1, '0' + str(fault_code))workbook.save(r"C:\Users\PC\Desktop\EDRMHelper2\TRDP显示故障清单设置_生成.xlsx") #save 才有效