Java读取项目json文件并转为JSON对象的操作

{

  "button" : [

   {

    "type" : "click" ,

    "name" : "今日歌曲" ,

    "key" : "V1001_TODAY_MUSIC"

   },

   {

    "name" : "菜单" ,

    "sub_button" : [

     {

      "type" : "view" ,

      "name" : "搜索" ,

      "url" : "http://HdhCmsTestsoso测试数据/"

     },

     {

      "type" : "miniprogram" ,

      "name" : "wxa" ,

      "url" : "http://mp.weixin.qq测试数据" ,

      "appid" : "wx286b93c14bbf93aa" ,

      "pagepath" : "pages/lunar/index"

     },

     {

      "type" : "click" ,

      "name" : "赞一下我们" ,

      "key" : "V1001_GOOD"

     }

    ]

   }

  ]

}

< dependency >

  < groupId >com.alibaba</ groupId >

  < artifactId >fastjson</ artifactId >

  < version >1.2.54</ version >

</ dependency >

< dependency >

  < groupId >org.apache测试数据mons</ groupId >

  < artifactId >commons-io</ artifactId >

  < version >1.3.2</ version >

</ dependency >

package com.jeff.demo;

import java.io.InputStream;

import org.apache测试数据mons.io.IOUtils;

import com.alibaba.fastjson.JSONObject;

public class FileDemo3 {

     public static JSONObject fileToJson(String fileName) {

         JSONObject json = null ;

         try (

             InputStream is = Thread.currentThread().getContextClassLoader().getResourceAsStream(fileName);

         ) {

             json = JSONObject.parseObject(IOUtils.toString(is, "utf-8" ));

         } catch (Exception e) {

             System.out.println(fileName + "文件读取异常" + e);

         }

         return json;

     }

     public static void main(String[] args) {

         String fileName = "doc/demo.json" ;

         JSONObject json = FileDemo3.fileToJson(fileName);

         System.out.println(json);

     }

}

String jsonFilePath = "C:/a.json" ;

File file = new File(jsonFilePath );

String input = FileUtils.readFileToString(file, "UTF-8" );

JSONObject obj = new JSONObject(input);