读取json文件参数

package utils;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;
import java.io.BufferedReader;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;

public class FIleUtil {

    public static String readCsv(String filePath){
        StringBuilder sb=new StringBuilder();
        FileReader fr=null;
        BufferedReader bf=null;
        try {
             fr = new FileReader(filePath);
            bf=new BufferedReader(fr);
        } catch (FileNotFoundException e) {
            e.printStackTrace();
        }

        String line="";
        try {
            //组装读取结果
            while ((line=bf.readLine())!=null){
                sb.append(line+"\n");
            }
            return sb.toString();
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            if (fr!=null){
                try {
                    fr.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
            if (bf!=null){
                try {
                    bf.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }
        return sb.toString();
    }

    public static void main(String[] args) throws IOException {
        String str=readCsv("data/param.json");
        JSONObject json= JSON.parseObject(str);
        System.out.println(json.getString("name"));
    }
}