使用FastJson从json串中根据key获取value
1 import com.alibaba.fastjson.JSONObject; 2 3 /** 4 * Created by SYJ on 2017/9/13. 5 */ 6 public class MainTest { 7 public static void main(String[] args) { 8 String json = "{\"code\":0,\"message\":\"没有查询到数据\",\"data\":null,\"taskId\":\"0-bb03193f-ed1f-4d32-8351-6538d329b26e\",\"time\":\"2017-09-2210:11:30\"}"; 9 JSONObject obj = JSONObject.parseObject(json); 10 Integer code = obj.getInteger("code"); 11 String message = obj.getString("message"); 12 String taskId = obj.getString("taskId"); 13 14 System.out.println("code:" + code + ", message:" + message + ", taskId:" + taskId); 15 } 16 }