Java 字符串数组转化为对象

import net.sf.json.JSONArray;
import net.sf.json.JSONObject;
    
    @Test
    public void stringToArrayObject() {
        String jsonStr = "[{\"activityName\":\"双十一活动1\",\"channleActivityId\":\"1000197\"}," 
                + "{\"activityName\":\"双十一活动2\",\"channleActivityId\":\"1000197\"}]";
        
        JSONArray jsonArray = JSONArray.fromObject(jsonStr);
        for (int i = 0; i < jsonArray.size(); i++) {
            JSONObject jsonObject = jsonArray.getJSONObject(i);
            ActivityDTO dto = (ActivityDTO)JSONObject.toBean(jsonObject,ActivityDTO.class);
            LOG.info("dto:{}", dto);
        }
    }