Java读取json文件

原创已于 2024-10-25 11:07:01 修改 · 228 阅读

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#java #json

于 2024-01-03 15:09:31 首次发布

package com.business.service.impl;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONArray;
import com.alibaba.fastjson.JSONObject;
import java.nio.file.Files;
import java.nio.file.Paths;


public class ServiceImpl {

 public static void main(String[] args) {
        try {
            String jsonString = new String(Files.readAllBytes(Paths.get("D:\\queryList.json")));
            JSONObject parseObject = JSONObject.parseObject(jsonString);
            JSONArray list = JSONArray.parseArray(JSON.toJSONString(parseObject.get("list")));
            for (Object obj : list){
                JSONObject jsonObject = (JSONObject) obj;
                String id = oConvertUtils.getString(jsonObject.get("id"));
                String qymc = oConvertUtils.getString(jsonObject.get("qymc"));
                String shfwm = oConvertUtils.getString(jsonObject.get("shfwm"));
                String xkznum = oConvertUtils.getString(jsonObject.get("xkznum"));
                System.out.println(id+";"+(StringUtil.isNotBlank(qymc)?qymc:"--")+"$"+(StringUtil.isNotBlank(shfwm)?shfwm:"--")+"&"+(StringUtil.isNotBlank(xkznum)?xkznum:"--"));
            }
        }catch (Exception e){
            e.printStackTrace();
        }
    }
}