Question

我想构建一个像这样的JSON：

{
  "Id": "33396",
  "Actions": [
    {
      "Key": "5",
      "Value": "Test"
    },
    {
      "Key": "6",
      "Value": "Test 2"
    }
  ]
}

我正在使用MultiValueMap，这是我的代码：

MultiValueMap<String, Object> map = new LinkedMultiValueMap<String, Object>();

map.add("Id","33396");

我不知道如何在我的代码上实现动作列表

我这样做并且有效，但我认为这是重复的

MultiValueMap map = new LinkedMultiValueMap（）; MultiValueMap mapActions0 = new LinkedMultiValueMap（）; MultiValueMap mapActions1 = new LinkedMultiValueMap（）;

    //Id
    map.add("Id","33396");

    //Actions
    mapActions0.add("Key","5");
    mapActions0.add("Value","Test");
    mapActions1.add("Key","6");
    mapActions1.add("Value","Test 2");

    map.put("AcoesVideo",Arrays.asList(mapActions0,mapActions));

Answer 1

使用HashMap并使用Map<String, Map<String, String>>执行此操作

Map<String, Map<String, String>> map = new HashMap<>();
Map<String, String> actions = new HashMap<>();

actions.put("5", "test");
actions.put("6", "test2");

map.put("33396", actions);

Answer 2

HashMap<String, Object> innerMap1 = Maps.newHashMap();
innerMap1.put("Key", "5");
innerMap1.put("Value", "Test");

HashMap<String, Object> innerMap2 = Maps.newHashMap();
innerMap2.put("Key", "6");
innerMap2.put("Value", "Test 2");

ArrayList<Object> list = Lists.newArrayList();
list.add(innerMap1);
list.add(innerMap2);

HashMap<String, Object> map = Maps.newHashMap();
map.put("ID", "33396");
map.put("Actions", list);

System.out.println(JSON.toJSONString(map));

JSON与Java上的MultiValueMap

2 个答案: