The list attribute in the entity is empty or null, and is set to an empty array

    /**
     * // Handling empty arrays 
     * @param object
     * @throws Exception
     */
    public static void getObjectValue(Object object) throws Exception {
   
    if (object != null) {//if (object!=null )  ----begin
        //  Get this kind of 
        Class<?> clz = object.getClass();
        //  Gets all properties of the entity class , return Field Array 
        Field[] fields = clz.getDeclaredFields();

        for (Field field : fields) {// --for() begin
            if(field.getGenericType().toString().contains("java.util.List")){
                if(field.get(object)==null){
                    field.setAccessible(true);
                    field.set(object,new ArrayList<>());
//                    System.out.println(" Property name ：" + field.getName());
//                    System.out.println(" Attribute types ：" + field.getGenericType());
//                    System.out.println(" Property value ：" + String.valueOf(field.get(object)));
                }
            }
        }
    }
}