HashMap<String, String> map = new HashMap<String, String>();
String jsonStr="[{\"key\":\"1\"},{\"key1\":\"2\"}]";
JSONArray jsonArr=JSONArray.fromObject(jsonStr);
for(int i=0;i<jsonArr.size();i++){
JSONObject obj = JSONObject.fromObject(jsonArr.get(i));
Iterator it = obj.keys();
while (it.hasNext()){
String key = String.valueOf(it.next());
String value = (String) obj.get(key);
map.put(key, value);
}
}
System.out.println(map);
追问 大神帮忙看一下我的代码
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/9213b07eca806538019cc28d9fdda144ad34823d?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
其中得到的str是[{"id":3,"driver_id":1,"position":"客厅"},{"id":9,"driver_id":1,"position":"厨房"}]但是在前端得到的是{"id":"9","position":"厨房","driver_id":"1"},只有一条数据,怎么样得到全部数据???
追答因为KEY一样,第二次又被重新赋值了