public boolean hasPropertyFilters(SerializeFilterable filterable) {
        return (propertyFilters != null && propertyFilters.size() > 0) //
                || (filterable.propertyFilters != null && filterable.propertyFilters.size() > 0);
    }
Set global date format pattern in FastJsonConfig

@param dateFormatPattern global date format pattern
src/main/java/com/alibaba/fastjson/serializer/JSONSerializer.java