Python数据分析之Excel和Text文件的读写操作方法

import sys
print(sys.argv[0])
print(__file__)
print(sys.path[0])
q=open(sys.path[0] + "\out.txt","w",encoding='utf-8')
q.write('这个是测试一下')
q.close()
print('done')

import os
import sys
print(sys.argv[0])
print(__file__)
print(sys.path[0])
fq=open(sys.path[0] + "\out1.txt","w",encoding='utf-8')
for i in range(1,1000):
  fq.write('哈哈'+ str(i)+'\n')
fq.close
print('done')

# coding=utf-8 
import openpyxl
from  openpyxl.reader.excel  import  load_workbook
import sys
import os

dir=sys.path[0] + '\练习题'
fq=open('out.txt','w',encoding='utf-8') # 打开文件，写权限
for wjm in os.listdir(dir):
  os.chdir(dir)
  wk=load_workbook(filename=wjm) 
  gzb= wk.sheetnames
  for x in range(len(gzb)):
    sheet1=wk[gzb[x]]
    print(wjm+'   '+sheet1.title)
    for i in range(1,sheet1.max_row+1):
      chuan=''
      for j in range(1,sheet1.max_column+1):
        chuan='%s%s%s' % (chuan, ',', sheet1.cell(row=i,column=j).value)
      chuan=chuan[1:]#获得从第二个字符串开始到末尾的字符串
      fq.write(chuan+'\r\n')
fq.close
print('it is over')

pip install openpyxl

import openpyxl

# 打开工作簿
workbook = openpyxl.load_workbook('example.xlsx')

# 获取工作表
sheet = workbook['Sheet1']

# 读取单元格数据
cell_value = sheet['A1'].value
print(cell_value)

import openpyxl

# 创建新工作簿
workbook = openpyxl.Workbook()

# 获取默认工作表
sheet = workbook.active

# 写入数据到单元格
sheet['A1'] = 'Hello'
sheet['B1'] = 'World'

# 保存工作簿
workbook.save('new_example.xlsx')

import openpyxl

workbook = openpyxl.load_workbook('example.xlsx')
sheet = workbook['Sheet1']

# 读取单元格数据
cell_value = sheet['A1'].value
print(cell_value)

# 通过行和列索引读取数据
cell_value = sheet.cell(row=2, column=3).value
print(cell_value)

import openpyxl

workbook = openpyxl.Workbook()
sheet = workbook.active

# 写入数据到单元格
sheet['A1'] = 'Hello'
sheet.cell(row=2, column=2, value='World')

# 保存工作簿
workbook.save('new_example.xlsx')

pip3 install xlsxwriter

import xlsxwriter
wk = xlsxwriter.Workbook('demo.xlsx')
sheet = wk.add_worksheet('sheet123')
sheet.write_string(1,1,"python test")#写入字符串类型数据
sheet.write_number(1,2,12)#写入数字型数据
sheet.write_blank(1,3,"  ")#写入空类型数据
sheet.write_formula(1,4,"=c2*10")#写入公式型数据
sheet.write_boolean(1,5,True)#写入逻辑型数据
sheet.write_url(1,6,"http://www.sina.com.cn")#写入超链接型数据
property = {
            'font_size': 20,#字体大小
            'bold':True, #是否加粗
            'align': 'left',#水平对齐方式
            'valign': 'vcenter',#垂直对齐方式
            'font_name': u'微软雅黑',
            'text_wrap': False,  # 是否自动换行
            }
cell_format = wk.add_format(property)
sheet.write(2,2,"people",cell_format)
wk.close()
print('done')

import xlsxwriter
wk = xlsxwriter.Workbook('demo.xlsx')
sheet = wk.add_worksheet('sheet123')
# 图片格式
img_format={
            'x_offset': 8,#水平偏移
            'y_offset': 14,#垂直偏移
            'x_scale': 0.018,#水平缩放
            'y_scale': 0.018,#垂直缩放
            'url': None,
            'tip': None,
            'image_data': None,
            'positioning': None
            }
# 示例：
sheet.insert_image(1,1,'1.jpg',img_format)
wk.close()
print('done')