python练习六十四：EXCEL文件处理

假设要读取number.txt文件中内容，code.txt文件内容如下
[
[1,2,3],
[4,5,6],
[7,8,9]
]

数据写入表格，如图

写文件（如果有文件，那直接调用就行，我这里自己先创建的文件）

list1 = ['[','[1,2,3],','[4,5,6],','[7,8,9],','[7,8,9]',']']
with open('number.txt','w+') as f:
     for i in list1:
         f.write(i+'
')

代码1：

import xlwt

#将txt文档中数据，并保存到list中
list1 = []
with open('number.txt','r') as f:
    while True:
        f_connect = f.readlines()
        if not f_connect:
            break
        for i in f_connect:
            new_i = (i.replace('
','')).replace('],',']')#剔除空格和换行
            if new_i =='[' or new_i==']':
                continue
            new_i = (eval(new_i))
            list1.append(new_i)

#写xls文件
book1 = xlwt.Workbook(encoding='ascii')
sheet1 =book1.add_sheet('sheet1')
for x in range(len(list1)):
    for y in range(len(list1[x])):
        sheet1.write(x,y,list1[x][y])
book1.save('number.xls')

代码2：

import xlwt

#将txt文档中数据,化成list
with open('number.txt','r') as f:
    st_name=eval(f.read().replace('
',''))

book1 = xlwt.Workbook()
sheet1 =book1.add_sheet('sheet1')
for x in range(len(st_name)):
    for y in range(len(st_name[x])):
        sheet1.write(x,y,st_name[x][y])
book1.save('number.xls')

代码1和代码效果一致，只是将txt文档中数据转化为list时，更加简单快速