fastjson将jsonstr 转化成json 对象 并获取数据

package com.dl.utils;

import java.io.File;
import java.io.IOException;

import org.apache.commons.io.FileUtils;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;

public class ReadRootPathUtils {
	
	public static String getRootPath() {
		String path = "/usr/dlconfig/path.json";
		String read = null;
		try {
			read = FileUtils.readFileToString(new File(path), "UTF-8");
		} catch (IOException e) {
			e.printStackTrace();
		}
		return read;
	}
	public static void main(String[] args) {
		//jsonstr
		String rootPath = getRootPath();
		//jsonobj
		JSONObject jobj = JSON.parseObject(rootPath);
		System.out.println(jobj.getString("rootPath"));
	}
}