Spring Boot读取和写入json文件

 //读取配置文件
public void readConfigFile(){
    try{
        File file=new File(configfile);
        String content= FileUtils.readFileToString(file,"UTF-8");
        JSONObject jsonObject=JSONObject.parseObject(content);
        this.config=jsonObject;
    }catch (IOException e){
        logger.error("ConfigFile.readConfigFile",e);
    }
}
//重新写入配置文件
private boolean writeConfigFile(){
    try {
        if(config!=null){
            String json=JSONObject.toJSONString(config);
            File file=new File(configfile);
            FileUtils.writeStringToFile(file,json,"UTF-8",false);
            return true;
        }
    }catch (IOException e){
        logger.error("ConfigFile.wirteConfigFile",e);
    }
    return false;
}

package com.proheng.gis.ApiUtils;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.core.io.ClassPathResource;
import org.springframework.core.io.Resource;

import java.io.BufferedReader;
import java.io.InputStreamReader;

public class ApiUtils {
    private static final Logger loger= LoggerFactory.getLogger(ApiUtils.class);
    //读取文件内容
    public static String readFile(String fileName){
        StringBuilder stringBuilder=new StringBuilder();
        try {
            Resource resource = new ClassPathResource(fileName);
            BufferedReader br = new BufferedReader(new InputStreamReader(resource.getInputStream()));
            String temp = null;
            while ((temp = br.readLine()) != null) {
                stringBuilder.append(temp);
            }
        }catch (Exception e){
            loger.error("ApiUtils.readFile",e);
            return "";
        }
        return stringBuilder.toString();
    }
}

// 读取文件
ClassPathResource classPathResource = new ClassPathResource(inpFilePath+"pipeline.inp");
File inpFile=classPathResource.getFile();

// 读取文件
ClassPathResource classPathResource = new ClassPathResource(inpFilePath+"pipeline.inp");
inpStream=classPathResource.getInputStream();