@Component
public class StepExecutor implements Runnable  {
    @Value("classpath:menu.json")
    private Resource areaRes;
    @Override
    public void run() {
        startStreamTask();
    }


    public void startStreamTask(){
        System.out.println("==========================");
        try {
            File file = areaRes.getFile();
            String jsonData = this.jsonRead(file);
            JSONObject jsonObject = JSONObject.parseObject(jsonData);
            JSONArray array = JSONArray.parseArray(jsonObject.get("menu").toString());
            for(int i=0;i<array.size();i++){
                JSONObject jsonObject2 = array.getJSONObject(i);
                Menu m = JSONObject.toJavaObject(jsonObject2,Menu.class);
                System.out.println("name:"+m.getName());
                System.out.println("id:"+m.getId());
            }
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
    private String jsonRead(File file){
        Scanner scanner = null;
        StringBuilder buffer = new StringBuilder();
        try {
            scanner = new Scanner(file, "utf-8");
            while (scanner.hasNextLine()) {
                buffer.append(scanner.nextLine());
            }
        } catch (Exception e) {

        } finally {
            if (scanner != null) {
                scanner.close();
            }
        }
        return buffer.toString();
    }
}

menu.json檔案在 resources  下：

格式是這樣的：

{
  "menu":
  [{
    "id":1,
    "name":"測試"
  }]
}