如何使用Gson解码具有未知字段的JSON？

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如何使用Gson解码具有未知字段的JSON？

我有一个类似于这样的JSON数据：

{

"unknown_field": {

"field1": "str",

"field2": "str",

"field3": "str",

"field4": "str",

"field5": "str"

}, ......

}

我创建了用于映射这个JSON的类：

public class MyModel implements Serializable {
  private int id;
  private HashMap models;
  // 这里是id和models的getter和setter方法
}

而Model1类则只是一个只包含String字段的简单类。

但是它没有起作用。

编辑：这个JSON的格式看起来像这样：

{

"1145": {

"cities_id": "1145",

"city": "Nawanshahr",

"city_path": "nawanshahr",

"region_id": "53",

"region_district_id": "381",

"country_id": "0",

"million": "0",

"population": null,

"region_name": "Punjab"

},

"1148": {

"cities_id": "1148",

"city": "Nimbahera",

"city_path": "nimbahera",

"region_id": "54",

"region_district_id": "528",

"country_id": "0",

"million": "0",

"population": null,

"region_name": "Rajasthan"

},

...

}

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