1.dumps()方法,将json对象转为字符串

import jsonmsg={ 'name':'zhangsan', 'age':22}print(type(json.dumps(msg)))>>:<class 'str'>

2.loads()方法，将字符串转为字典格式

import jsonmsg={ 'name':'zhangsan', 'age':22}data=json.dumps(msg)print(json.loads(data))>>:{'name': 'zhangsan', 'age': 22}