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结构不固定的 json 值要怎么反序列化成对象比较好？

 3 years ago
source link: https://www.v2ex.com/t/799259
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V2EX  ›  Java

结构不固定的 json 值要怎么反序列化成对象比较好？

  x97bgt · 4 小时 15 分钟前 · 979 次点击

json 里面有互斥的字段，要怎么序列化成对象？

比如下面的例子里，要么只有refund字段，要么只有purchase，而且两个字段里的结构是不一样的。

{
    "id": "1234567890",
    "amount": 100,
    "refund": {
        "date": "2021-04-23T18:25:43.511Z",
        "confirmed": true,
        "refund_id": 1234456
    }
}

{
    "id": "1234567890",
    "amount": 100,
    "purchase": {
        "date": "2021-04-23T18:25:43.511Z",
        "purchase_id": 789621
    }
}

现在到的最粗暴的办法，是把每个字段都塞进对象。但这太难看了，而且容易造成混乱。

这种结构下，要怎么设计对象的结构比较好？


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