import json
import csv
json_str =
'[{"a":1,"b":"2","c":"3"},{"a":21,"c":"23","d":{"d1":"24"},"e":"25"}]'
o = json.loads(json_str)
def loop_data(o, k=''):
global json_ob, c_line
if isinstance(o, dict):
for key, value
in o.items():
if (k ==
''):
loop_data(value, key)
else:
loop_data(value, k +
'.' + key)
elif isinstance(o, list):
for ov
in o:
loop_data(ov, k)
else:
if k
not in json_ob:
json_ob[k] = {}
json_ob[k][c_line] = o
def get_title_rows(json_ob):
title = []
row_num =
0
rows = []
for key
in json_ob:
title.append(key)
v = json_ob[key]
if len(v) > row_num:
row_num = len(v)
continue
for i
in range(row_num):
row = {}
for k
in json_ob:
v = json_ob[k]
if i
in v.keys():
row[k] = v[i]
else:
row[k] =
''
rows.append(row)
return title, rows
def write_csv(title, rows, csv_file_name):
with open(csv_file_name,
'w', newline=
'')
as csv_file:
writer = csv.DictWriter(csv_file, fieldnames=title)
writer.writeheader()
writer.writerows(rows)
def json_to_csv(object_list):
global json_ob, c_line
json_ob = {}
c_line =
0
for ov
in object_list:
loop_data(ov)
c_line +=
1
title, rows = get_title_rows(json_ob)
write_csv(title, rows,
'test.csv')
json_to_csv(o)
转载于:https://www.cnblogs.com/bilaisheng/p/10210956.html
相关资源：python 写的一个json转csv文件的脚本
