Django中模型Model添加JSON类型字段的方法
本文实例讲述了Django中模型Model添加JSON类型字段的方法。分享给大家供大家参考。具体如下:
Django里面让Model用于JSON字段,添加一个JSONField自动类型如下:
class JSONField(models.TextField): __metaclass__ = models.SubfieldBase description = "Json" def to_python(self, value): v = models.TextField.to_python(self, value) try: return json.loads(v)['v'] except: pass return v def get_prep_value(self, value): return json.dumps({'v':value})
之后就直接为Model定义JSONField类型字段了
class Category(models.Model): name = fields.MedialNameField() other= fields.JSONField()
使用很方便:
所有可以被json序列化的类型都可以直接赋值给other字段,很方便吧。
希望本文所述对大家的Python程序设计有所帮助。

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