json文件

# # json是一个字符串
# # {"code":0,"msg":"操作成功","token":"xxxxx"}
#
#
import json
import pprint 
# # 将python格式转为json格式
# dic={"code":0,"msg":"操作成功","token":"xxxxx"}
# json_str=json.dumps(dic,ensure_ascii=False) # dumps可将字典转成json串,如果内容有中文，需要加上ensure_ascii=False
# pprint.pprint(json_str)
#
# # 将json格式转为字典
# json_str='{"code":0,"msg":"操作成功","token":"xxxxx"}'
# dic=json.loads(json_str)
# pprint.pprint(dic)
#
# # 读取文件中的json内容并转为字典
# with open("result.json","r",encoding="utf-8") as f:
#     dic=json.loads(f.read())
#     print(dic)
# # # 方法二
#
with open("product.json","r+",encoding="utf-8") as f:
    dic=json.load(f)  #用load，load和dump可直接操作文件，分别可自动读、写文件，loads，dumps不可直接操作文件
    print(dic)

# with open("product.json", "r", encoding="utf-8") as f:
#     result = json.load(f)
#     print(result)


# # # 将字典转为json串写入文件中
# dic={"code":0,"msg":"操作成功","token":"xxxxx"}
# # with open("result.json","w",encoding="utf-8") as f:
# #     f.write(json.dumps(str,ensure_ascii=False,indent=4))   #indent=4可将json写入文件时，缩进4个单位
# # 方法二：
# with open("result.json","w",encoding="utf-8") as f:
#     json.dump(dic,f,ensure_ascii=False,indent=4) #dump可直接操作文件，自动写入