@RequestMapping(value = "updateInvestorApplyAccountNo", method = RequestMethod.POST)

@ResponseBody

public void updateInvestorApplyAccountNo(HttpServletRequest request,

HttpServletResponse response,

@RequestBody String requestBody) {

int num = 0;

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 字符串转换成java对象

*/

gascontent  model=new gascontent();

model = JSON.parseObject(JSON.parse(json.getString("content")).toString(),gascontent.class);

/**

* json字符串转换成List

*/

String data=json.getJSONObject("content").getString("data");

List<Data>  listdata=JSONObject.parseArray(data, Data.class);

/**

* List转换成String

*/

String json2=JSON.toJSONString(listdata);

} 

public class Data implements Comparable<Data>{

    private String area;

    private String fwlsmc;

    private String address;

    private String areaname;

    private int distance;

    private String exhaust;

    private String discount;

    private String lon;

    private String brandname;

    private String type;

    private Price price;

    private String name;

    private String id;

    private String position;

    private String lat;

    public void setArea(String area) {

         this.area = area;

     }

     public String getArea() {

         return area;

     }

    public void setFwlsmc(String fwlsmc) {

         this.fwlsmc = fwlsmc;

     }

     public String getFwlsmc() {

         return fwlsmc;

     }

    public void setAddress(String address) {

         this.address = address;

     }

     public String getAddress() {

         return address;

     }

    public void setAreaname(String areaname) {

         this.areaname = areaname;

     }

     public String getAreaname() {

         return areaname;

     }

    public void setDistance(int distance) {

         this.distance = distance;

     }

     public int getDistance() {

         return distance;

     }

    public void setExhaust(String exhaust) {

         this.exhaust = exhaust;

     }

     public String getExhaust() {

         return exhaust;

     }

    public void setDiscount(String discount) {

         this.discount = discount;

     }

     public String getDiscount() {

         return discount;

     }

    public void setLon(String lon) {

         this.lon = lon;

     }

     public String getLon() {

         return lon;

     }

    public void setBrandname(String brandname) {

         this.brandname = brandname;

     }

     public String getBrandname() {

         return brandname;

     }

    public void setType(String type) {

         this.type = type;

     }

     public String getType() {

         return type;

     }

    public void setPrice(Price price) {

         this.price = price;

     }

     public Price getPrice() {

         return price;

     }

    public void setName(String name) {

         this.name = name;

     }

     public String getName() {

         return name;

     }

    public void setId(String id) {

         this.id = id;

     }

     public String getId() {

         return id;

     }

    public void setPosition(String position) {

         this.position = position;

     }

     public String getPosition() {

         return position;

     }

    public void setLat(String lat) {

         this.lat = lat;

     }

     public String getLat() {

         return lat;

     }

    // 重写 比较方法 本次例子定义为按距离比较

    @Override

    public int compareTo(Data stu) {

        if (this.distance > stu.getDistance()) {

            return 1;

        } else {

            return -1;

        }

    }

}

   List<Data> listdata=new ArrayList<>();

   Collections.sort(listdata); //只有一个参数参数为List