// write Map as JSON document to http servlet response Map<String,String> sd = DAO.getSD(123); res.setContentType("application/json; charset=UTF ... ... <看更多>

使用ObjectMapper 完成json 和Java Object、List、Map 之間的互轉. import java.util.*; import com.fasterxml.jackson.core.type. ... <看更多>

if (object instanceof HashMap) {. JSONObject json = new JSONObject();. HashMap map = (HashMap) object;. for (Object key : map.keySet()) {. json.put(key. ... <看更多>

We need to create a dynamic JSON payload for API requests. We will learn to create a very simple JSON ... ... <看更多>