---安装---
pip install itsdangerous

---封装方法---
from itsdangerous.jws import TimedJSONWebSignatureSerializer
from django.conf import settings

# 加密json
def dumps(json, expires):
    serializer = TimedJSONWebSignatureSerializer(settings.SECRET_KEY, expires_in=expires)
    json_str = serializer.dumps(json)                # 调用jws
    return json_str

# 解密json
def loads(json_str, expires):
    serializer = TimedJSONWebSignatureSerializer(settings.SECRET_KEY, expires_in=expires)
    try:
        json = serializer.loads(json_str)        # 调用jws
    except:
        return None
    else:
        return json

---安装---
pip install itsdangerous

---封装方法---
from itsdangerous.jws import TimedJSONWebSignatureSerializer
from django.conf import settings

# 加密json
def dumps(json, expires):
    serializer = TimedJSONWebSignatureSerializer(settings.SECRET_KEY, expires_in=expires)
    json_str = serializer.dumps(json)                # 调用jws
    return json_str

# 解密json
def loads(json_str, expires):
    serializer = TimedJSONWebSignatureSerializer(settings.SECRET_KEY, expires_in=expires)
    try:
        json = serializer.loads(json_str)        # 调用jws
    except:
        return None
    else:
        return json