springBoot解析json格式的數據

首先導入核心包fastJson和commons-io包

<!-- fastJson -->
<dependency>
   <groupId>com.alibaba</groupId>
   <artifactId>fastjson</artifactId>
   <version>1.2.47</version>
</dependency>
<!-- https://mvnrepository.com/artifact/commons-io/commons-io -->
<dependency>
   <groupId>commons-io</groupId>
   <artifactId>commons-io</artifactId>
   <version>2.4</version>
</dependency>

我的json數據是放在resources下

核心代碼

package com.shengxun.service.impl;

import com.alibaba.fastjson.JSONArray;
import com.alibaba.fastjson.JSONObject;
import com.shengxun.domian.CmpNo;
import org.apache.commons.io.FileUtils;
import org.springframework.util.ResourceUtils;
import java.io.IOException;
import java.nio.charset.Charset;
import java.util.ArrayList;
import java.util.List;

public class JsonData {

    public static List<CmpNo> jsonDataString(){
        List<CmpNo> cmpNos = new ArrayList<CmpNo>();
        try {
            String jsonData = FileUtils.readFileToString(ResourceUtils.
                    getFile("classpath:cmp2.json"), Charset.forName("UTF-8"));
            JSONObject jsonObject = JSONObject.parseObject(jsonData);
            JSONArray jsonArray = jsonObject.getJSONArray("rows");
            for (int i = 0; i < jsonArray.size(); i++) {
                CmpNo cmpNo = new CmpNo();
                JSONArray jsonArray1 = jsonArray.getJSONArray(i);
                cmpNo.setId(jsonArray1.getInteger(0));
                cmpNo.setName(jsonArray1.getString(1));
                cmpNo.setType(jsonArray1.getString(2));
                cmpNo.setItype(jsonArray1.getInteger(3));
                cmpNos.add(cmpNo);
            }
        } catch (IOException e) {
            e.printStackTrace();
        }
        return cmpNos;
    }
    public static void main(String[] args){
        System.out.println(jsonDataString().size());
    }
}