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How to combine python with excel

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coldplay.xixiOriginal
2020-08-11 15:37:4010415browse

python与excel结合的方法:首先获取工作表的方法和属性,并创建或删除工作表;然后定位单元格并访问;最后使用函数【copy_worksheet】拷贝工作表即可。

How to combine python with excel

python与excel结合的方法:

step1 使用load_workbook(r’xlsx文件路径‘)

>>> import openpyxl
>>> wb = openpyxl.load_workbook(r'D:\PycharmProjects\requests\250.xlsx')
>>> type(wb)
<class &#39;openpyxl.workbook.workbook.Workbook&#39;>

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step2 获取工作表的方法和属性

get_sheet_names()或者sheetnames

>>> wb.get_sheet_names()
[&#39;Sheet&#39;]
>>> wb.sheetnames
[&#39;Sheet&#39;]
>>> ws = wb.get_sheet_by_name(&#39;Sheet&#39;)  # 工作表对象

step3 创建和删除工作表

create_sheet 创建工作表

remove_sheet 删除工作表(删除工作表的对象)

>>> rnx = wb.create_sheet(index = 0,title = &#39;sheet1&#39;)
>>> wb.get_sheet_names()
[&#39;sheet1&#39;, &#39;Sheet&#39;]
#  注意删除工作表时,要删除工作表的对象  ws = wb.get_sheet_by_name(&#39;工作表&#39;)
>>> wb.remove_sheet(wb.get_sheet_by_name(&#39;sheet1&#39;))
>>> wb.sheetnames
[&#39;Sheet&#39;]

step4 定位单元格

row 行

column 列

coordinate 坐标

offset 偏移 offset(行偏移,列偏移)

>>> c = ws[&#39;A2&#39;]
>>> c.row 
2
>>> c.column
&#39;A&#39;
>>> c.coordinate
&#39;A2&#39;
>>> d = c.offset(2,0)
>>> d.value
&#39;这个杀手不太冷&#39;

step5 ’AA‘是多少

openpyxl.cell.cell.get_column_letter()

openpyxl.cell.cell.column_index_from_string()

>>> openpyxl.cell.cell.get_column_letter(27)
&#39;AA&#39;
>>> openpyxl.cell.cell.column_index_from_string(&#39;AA&#39;)
27

step6 访问多个单元格

先迭代行再去迭代列

>>> for each_movies in ws[&#39;A2&#39;:&#39;B10&#39;]: # each_movies是一个元祖
    for each_cell in each_movies:
        print(each_cell.value,end = &#39; &#39;)
    print(&#39;\n&#39;)
    
肖申克的救赎 9.6 
霸王别姬 9.6 
这个杀手不太冷 9.4 
阿甘正传 9.4 
美丽人生 9.5 
泰坦尼克号 9.3 
千与千寻 9.3 
辛德勒的名单 9.5 
盗梦空间 9.3
>>> for each_rows in ws.rows:
    print(each_rows[1].value)
    
评分
9.6
9.6
9.4
9.4
....
8.6

还可以指定迭代多少个

>>> for each_row in ws.iter_rows(min_row = 2,min_col = 1,max_row = 4,max_col = 2):
    print(each_row[0].value)
    
肖申克的救赎
霸王别姬
这个杀手不太冷

step7 拷贝工作表

copy_worksheet(工作表)

>>> new = wb.copy_worksheet(ws)
>>> type(new)
<class &#39;openpyxl.worksheet.worksheet.Worksheet&#39;>
>>> wb.save(r&#39;D:\PycharmProjects\requests\250.xlsx&#39;) #注意先把原先打开的excel文件关闭再去运行代码

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