由json提供的Extjs 6.0.2模型关联

Question

是否可以在ExtJS 6.0.2框架上建立模型（用户和组）之间的链接，如果这些模型来自不同的网址，采用这种类型的json格式？ 协会应该在字段'group_id'上一对一

JSON响应示例：

url：data / groups.json

{
    "success": true,
    "groups": [
        {"name": "admins", "id":1, "description": "full access"},
        {"name": "users", "id":2, "description": "limit access"},
        {"name": "guests", "id":3, "description": "others"},
    ]
}

url：data / users.json

{
    "success": true,
    "users": [
        {
            "name":"Ted",
            "age": 22,
            "gender":"Male",
            "id":1,
            "group_id": 2
        },
        {
            "name":"Ed",
            "age" : 33,
            "gender":"Male",
            "id":2,
            "group_id": 1
        },
        {
            "name":"Test",
            "age" : 44,
            "gender":"Female",
            "id":3,
            "group_id": 1
        }
    ]
}