创建新的模型实例

传递一个本地 python 字典，将字符串映射到字符串 create()。

Catalog.objects.create(name='Library of Congress', titles_to_authors={
    'Using HStoreField with Django': 'CrazyPython and la communidad',
    'Flabbergeists and thingamajigs': 'La Artista Fooista',
    'Pro Git': 'Scott Chacon and Ben Straub',
})