import java.util.HashMap;
import java.util.List;
import java.util.Map;
import resbean.Detail;
import resbean.ResRootBean;
import net.sf.json.JSONObject;
public class Test {
public static void main(String[] args) {
String strjson = "{\"status\": 200,\"data\": {\"detail_list\": [{\"uid\": \"24820749\",\"fid\": \"24820749\"}]}}";
JSONObject jsonObject = JSONObject.fromObject(strjson);
Map<String, Class> classMap = new HashMap<String, Class>();
classMap.put("detail_list", Detail.class);
ResRootBean resRootBean=(ResRootBean)JSONObject.toBean(jsonObject,ResRootBean.class,classMap);
System.out.println(resRootBean.getData().getDetail_list().get(0).getFid());
}
}