1.String转Map Map infoMap=JSONObject.parseObject(info,Map.class); 2.String转json对象 JSONObject jsonObject=JSONObject.parseObject(data); 3.String转类对象 contractInfo=JSONObject.parseObject(contractStr, ContractInfo.class); 4.map转类对象 FindArchiveDto findArchiveDto1=JSON.parseObject(JSON.toJSONSt...
String jsonStr = JSON.toJSONString(map); System.out.println("jsonStr: "+ jsonStr); // jsonString转换成Map Map<String, String> jsonMap = JSON.parseObject(jsonStr,newTypeReference<HashMap<String, String>>() { }); System.out.println("jsonMap: "+ jsonMap.toString()); } 执行结果: 1 ...
import com.fasterxml.jackson.databind.ObjectMapper; public class JsonToMapExample { public static void main(String[] args) { String json = "{\"key1\":\"value1\",\"key2\":\"value2\",\"key3\":\"value3\"}"; try { ObjectMapper objectMapper = new ObjectMapper(); Map<String, String> ...
Json String转HashMap<String, String>非常容易,只要用Gson().toJson即可: val y = Gson().toJson(ids) 麻烦的是HashMap<String, String>转Json String,也就是在fromJson中,必须引入TypeToken val…
import com.alibaba.fastjson.JSONObject; import java.util.List; import java.util.Map; public class JsonToMapTest02 { public static void main(String[] args){ String strArr = "[{\"0\":\"zhangsan\",\"1\":\"lisi\",\"2\":\"wangwu\",\"3\":\"maliu\"}," + ...
1、Map转json Map<String, Object> map = new HashMap<String, Object>(); JSONObject json = new JSONObject(map); 2、Map转String Map<String, Object> map = new HashMap<>(); String s = JSONObject.toJSONString(map); 3、JSON转String ...
public static Map<String,Object> JsonToMap(JSONObject j){ Map<String,Object> map = new HashMap<>(); Iterator<String> iterator = j.keys(); while(iterator.hasNext()){ String key = (String)iterator.next(); Object value = j.get(key); map.put(key, value); } return map; } 发布者:...
public static void main(String[] args) { String jsonString = "{"name": "Bob", "age": 30}"; Gson gson = new Gson(); Type type = new TypeToken<Map>(){}.getType(); Map map = gson.fromJson(jsonString, type); System.out.println(map); ...
This technique only works for JsonObject instances, since JsonObject extends Map<String, JsonElement>. We can parse the JSON String, and then implicitly cast it to a Map after we’ve confirmed it is a JsonObject: fun jsonStringToMapWithKotlinx(json: String): Map<String, JsonElement> { ...
Map<String, Object> map = new HashMap<>(); map.put("name", "1"); map.put("year", 1); // create Gson instance Gson gson = new GsonBuilder().create(); // convert to JSON String jsonString = gson.toJson(map); // convert back to map Map map = gson.fromJson(jsonString, Ma...