zoukankan      html  css  js  c++  java
  • Java-对返回参数进行处理(parseObject,getJSONArray,getJSONObject)

    a代表response返回的结果,获取字段reserve3的值,操作代码如下:

    import com.alibaba.fastjson.JSON;
    import com.alibaba.fastjson.JSONArray;
    import com.alibaba.fastjson.JSONObject;
    
    public class testBeanshellAss {
        public static void main(String[] args) {
            String a = "{
    "
                    + " "header": {
    "
                    + "  "errcode": "0000000000",
    "
                    + "  "errmsg": "SUCCESS"
    "
                    + " },
    "
                    + " "data": [{
    "
                    + "  "idDynBizSd": "20",
    "
                    + "  "sdBiz": "2",
    "
                    + "  "cdDynBizSd": "201",
    "
                    + "  "nmDynBizSd": "ww",
    "
                    + "  "cdDynBizSdPar": "0",
    "
                    + "  "reserve1": "qq",
    "
                    + "  "reserve2": "ww",
    "
                    + "  "reserve3": "reserve3:1",
    "
                    + "  "reserve4": null,
    "
                    + "  "reserve5": null
    "
                    + " },
    "
                    + " {
    "
                    + "  "idDynBizSd": "20",
    "
                    + "  "sdBiz": "2",
    "
                    + "  "cdDynBizSd": "201",
    "
                    + "  "nmDynBizSd": "ww",
    "
                    + "  "cdDynBizSdPar": "0",
    "
                    + "  "reserve1": "qq",
    "
                    + "  "reserve2": "ww",
    "
                    + "  "reserve3": "reserve3:2",
    "
                    + "  "reserve4": null,
    "
                    + "  "reserve5": null
    "
                    + " },
    "
                    + " {
    "
                    + "  "idDynBizSd": "20",
    "
                    + "  "sdBiz": "2",
    "
                    + "  "cdDynBizSd": "201",
    "
                    + "  "nmDynBizSd": "ww",
    "
                    + "  "cdDynBizSdPar": "0",
    "
                    + "  "reserve1": "qq",
    "
                    + "  "reserve2": "ww",
    "
                    + "  "reserve3": "reserve3:3",
    "
                    + "  "reserve4": null,
    "
                    + "  "reserve5": null
    "
                    + " }]
    "
                    + "}";
            //将字符串转换为了对象
            JSONObject jo = JSON.parseObject(a);
            //获取data对象 data的对象为[],所以要转化为JSONArray类型的对象
            JSONArray data = jo.getJSONArray("data");
            int size = data.size();
            for(int i = 0 ; i<size ; i++) {
                JSONObject dataIndex = data.getJSONObject(i);
                String reserve3 = dataIndex.getString("reserve3");
                System.out.println(reserve3);
    
            }
    
        }
    }

    #获取header及errcode、errmsg

            JSONObject resultJsonObject = JSONObject.parseObject(a);
            JSONObject headerJsonObject = resultJsonObject.getJSONObject("header");
            System.out.println(headerJsonObject);
            String errcode = headerJsonObject.getString("errcode");
            System.out.println("errcode为:"+errcode);
            String errmsg = headerJsonObject.getString("errmsg");
            System.out.println("errmsg为:"+errmsg);

    #如下链接的文章,写的比较好,每一步骤都有说明。

    https://www.cnblogs.com/chushujin/p/11371450.html

  • 相关阅读:
    Android升级ADT22后会报ClassNotFoundException的原因分析
    修改Android解锁界面
    Android中dip, dp, px,pt, sp之间的区别:
    移动开发:Android官方提供的支持不同屏幕大小的全部方法
    常用正则表达式
    Android多语言与国际化
    Android中的资源与国际化
    Android开发:使用Fragment改造TabActivity
    Android开发–Intent-filter属性详解
    Fragment、Activity比较——Android碎片介绍
  • 原文地址:https://www.cnblogs.com/eosclover/p/15403412.html
Copyright © 2011-2022 走看看