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我正在尝试使用通过 GET 到 Spring MVC 控制器的这种特定格式创建一个 json 对象。我为一个相当简单的类工作,该类生成一个扁平的数组 - 但不确定我需要 Polydata 类上的哪些字段来生成以下 Json - 任何提示都表示赞赏。

ResponseEntity<Polydata[]> entity = new ResponseEntity<Polydata[]>(array, headers, HttpStatus.CREATED);
return entity;

我想制作的 Json 格式

var shapes = [{
"type": "Feature",
"properties": {"category": "ABC"},
"geometry": {
    "type": "Polygon",
    "coordinates": [[
        [-104.05, 48.99],
        [-97.22,  48.98],
        [-96.58,  45.94],
        [-104.03, 45.94],
        [-104.05, 48.99]
    ]]
}
}, {
"type": "Feature",
"properties": {"category": "DEF"},
"geometry": {
    "type": "Polygon",
    "coordinates": [[
        [-109.05, 41.00],
        [-102.06, 40.99],
        [-102.03, 36.99],
        [-109.04, 36.99],
        [-109.05, 41.00]
    ]]
}
}];
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