fastjson用java轉json時間的格式化

只需要在調用JSON.toJSONString()的時候加上SerializerFeature.DisableCircularReferenceDetect和SerializerFeature.WriteDateUseDateFormat參數即可

JSON.toJSONString(list, SerializerFeature.DisableCircularReferenceDetect, SerializerFeature.WriteDateUseDateFormat);