python json

s=""" { "error_code": 0, "stu_info": [ { "id": 309, "name": "小白", "sex": "男", "age": 28, "addr": "河南省济源市北海大道32号", "grade": "天蝎座", "phone": "18512572946", "gold": 100 }, { "id": 310, "name": "小白", "sex": "男", "age": 28, "addr": "河南省济源市北海大道32号", "grade": "天蝎座", "phone": "18516572946", "gold": 100 } ] } """ 1、用json.loads载入j'son格式的字符串，转成字典 import json#引用json模块 res=json.loads(s) print(res)#打印字典 print(type(res))#打印res类型 print(res.keys())#打印字典的所有Key 2、json.load从文件中读入json格式字符串 import json f=open('stus.json',encoding='utf-8') user_dic=json.load(f) print(user_dic) 3、json.dumps 将字典转成json格式字符串 stus={'xiaojun':'123456','xiaohei':'7891','abc':'11111'}

先把字典转成json

res2=json.dumps(stus) print(res2)#打印字符串 print(type(res2))#打印res2类型 4、json.dump将字典写入json文件 stus={'xiaojun':'123456','xiaohei':'7890','lrx':'111111'} f=open('stus2.json','w',encoding='utf-8') json.dump(stus,f,indent=4,ensure_ascii=False)