需要json-jar
Map<String, String> map = new HashMap<String, String>();
map.put("time", "2021-01");
String jsonObject = JSONObject.toJSONString(map);
需要json-jar
Map<String, String> map = new HashMap<String, String>();
map.put("time", "2021-01");
String jsonObject = JSONObject.toJSONString(map);