json字符串转成 json对象 json对象转换成java对象

import com.alibaba.fastjson.JSONArray;
import com.alibaba.fastjson.JSONObject;


依赖包 

<dependency>
    <groupId>com.alibaba</groupId>
    <artifactId>fastjson</artifactId>
    <version>1.2.54</version>
</dependency>

String result = "";
//下面是把拿到的json字符串转成 json对象
JSONObject jsStr = JSONObject.parseObject(requestBody); //将字符串{“id”：1}
//int jsID = Integer.parseInt(jsStr.getString("id"));//获取id的值


/** 
* json对象转换成java对象 
*/ 
InvestorApplyModel stud = (InvestorApplyModel) JSONObject.toJavaObject(jsStr,InvestorApplyModel.class);

}

/** 
* json字符串转转换成json数组 
*/

String schedules = "";

JSONArray schedulesArray= JSONArray.parseArray(schedules);
JSONObject jostr = null;

for (int sched = 0; sched <schedulesArray.size() ; sched++) {

//获取json对象
    jostr = schedulesArray.getJSONObject(0);
  //System.out.println("jostr---" + jostr);

/** 
* json对象转换成java对象 
*/

    BerthStop berthStopDo = (BerthStop) JSONObject.toJavaObject(jostr, BerthStop.class);