[英]How to create multi level JSON data using JSONObject in servlet
I need to create JSON data like below, 我需要创建如下的JSON数据,
{
"min": {
"week": "1",
"year": "2014"
},
"max": {
"week": "14",
"year": "2017"
}
}
But JSONObject accepts only "id","value" format. 但是JSONObject仅接受“ id”,“ value”格式。 So how can I create JSON data using JSONObject like mentioned above. 因此,如何使用如上所述的JSONObject创建JSON数据。
Tested this in eclipse already for you. 已经为您测试过Eclipse。 ` `
String s = "{ \"min\": { \"week\": \"1\", \"year\": \"2014\" }, \"max\": { \"week\": \"14\", \"year\": \"2017\" } }";
JSONParser parser = new JSONParser();
try {
JSONObject json = (JSONObject) parser.parse(s);
System.out.println(json.get("min"));
// this will output
//{"week":"1","year":"2014"}
} catch (Exception e){
e.printStackTrace();
}
` `
That is very easy, here is an example: 这很简单,这是一个示例:
JSONObject min = new JSONObject();
min.put("week", "1");
min.put("year", "2014");
JSONObject max = new JSONObject();
max.put("week", "14");
max.put("year", "2017");
JSONObject json= new JSONObject();
stats.put("min", min);
stats.put("max", max);
System.out.println(json.toString());
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