python表格存取的方法

import xlwt  workbook = xlwt.Workbook(encoding='utf-8') booksheet = workbook.add_sheet('Sheet 1', cell_overwrite_ok=True) #存第一行cell(1,1)和cell(1,2) booksheet.write(0,0,34) booksheet.write(0,1,38) #存第二行cell(2,1)和cell(2,2) booksheet.write(1,0,36) booksheet.write(1,1,39) #存一行数据 rowdata = [43,56] for i in range(len(rowdata)):   booksheet.write(2,i,rowdata[i]) workbook.save('test_xlwt.xls') 

import xlrd  workbook = xlrd.open_workbook('D://Py_exercise//test_xlwt.xls') print(workbook.sheet_names())         #查看所有sheet booksheet = workbook.sheet_by_index(0)     #用索引取第一个sheet booksheet = workbook.sheet_by_name('Sheet 1') #或用名称取sheet #读单元格数据 cell_11 = booksheet.cell_value(0,0) cell_21 = booksheet.cell_value(1,0) #读一行数据 row_3 = booksheet.row_values(2) print(cell_11, cell_21, row_3)  >>>34.0 36.0 [43.0, 56.0] 

from openpyxl import Workbook   workbook = Workbook() booksheet = workbook.active   #获取当前活跃的sheet,默认是第一个sheet #存第一行单元格cell(1,1) booksheet.cell(1,1).value = 6  #这个方法索引从1开始 booksheet.cell("B1").value = 7 #存一行数据 booksheet.append([11,87]) workbook.save("test_openpyxl.xlsx") 

from openpyxl import load_workbook   workbook = load_workbook('D://Py_exercise//test_openpyxl.xlsx') #booksheet = workbook.active        #获取当前活跃的sheet,默认是第一个sheet sheets = workbook.get_sheet_names()     #从名称获取sheet booksheet = workbook.get_sheet_by_name(sheets[0])  rows = booksheet.rows columns = booksheet.columns #迭代所有的行 for row in rows:   line = [col.value for col in row]  #通过坐标读取值 cell_11 = booksheet.cell('A1').value cell_11 = booksheet.cell(row=1, column=1).value 

import pandas as pd  csv_mat = np.empty((0,2),float) csv_mat = np.append(csv_mat, [[43,55]], axis=0) csv_mat = np.append(csv_mat, [[65,67]], axis=0) csv_pd = pd.DataFrame(csv_mat) csv_pd.to_csv("test_pd.csv", sep=',', header=False, index=False) 

import pandas as pd  filename = "D://Py_exercise//test_pd.csv" csv_data = pd.read_csv(filename, header=None) csv_data = np.array(csv_data, dtype=float)