objectmapper json转对象_图片格式转换器

import com.alibaba.fastjson.TypeReference;
import com.alibaba.fastjson.JSONObject;

JSONObject obj = new JSONObject();
{ 
   
obj.put("key1", "value1");
obj.put("key2", "value2");
obj.put("key3", "value3");
}
Map<String, String> params = JSONObject.parseObject(obj.toJSONString(), new TypeReference<Map<String, String>>(){ 
   });

import org.apache.commons.lang3.StringUtils;
import com.alibaba.fastjson.JSONArray;
import com.alibaba.fastjson.JSONObject;

JSONArray dataArray = data.getJSONArray("data");
List<JSONObject> list = new ArrayList<>();
for (Object object : dataArray) { 
   
	JSONObject params = (JSONObject) object;
	//String value= params.getString("key");
	//if (StringUtils.isNotBlank(value)) { 
   
	// params.put("key", value);//重新赋值
	//}
	list.add(params);
}