重新加载

   @RequestMapping("/reload")
    @ResponseBody
    public JsonResult reload(){
        JsonResult js = new JsonResult();
        try {
            //获取数据库中的所有权限
            List<String> permissionList = permissionService.selectExpression();
            //从上下文获取所有的controller
            Map<String, Object> beans = context.getBeansWithAnnotation(Controller.class);
            for (Object value : beans.values()) {
                //判断是不是cglib动态代理
                if (!AopUtils.isCglibProxy(value)){
                    continue;
                }
                //当是cglib的动态代理的时候,获取controller的字节码
                Class clazz= value.getClass().getSuperclass();
                //获取所有的method
                Method[] methods = clazz.getDeclaredMethods();
                //遍历
                for (Method method : methods) {
                    //获取method上的权限注解
                    RequiresPermissions annotation = method.getAnnotation(RequiresPermissions.class);
                    if (annotation != null){
                        //获取值
                        String expression = annotation.value()[0];
                        String name = annotation.value()[1];

                        if (!permissionList.contains(expression)){
                            System.out.println(expression);
                            System.out.println(name);

                            Permission permission = new Permission();
                            permission.setExpression(expression);
                            permission.setName(name);
                            permissionService.insert(permission);
                        }
                    }
                }

            }
            js.setMsg("操作成功");
            js.setFlag(true);
            return js;
        } catch (Exception e) {
            e.printStackTrace();
            js.setFlag(false);
            js.setMsg("操作失败");
            return js;
        }
    }