在littlevgl中设置文本颜色

    lv_obj_t *lab=lv_label_create(page1,NULL);
    lv_label_set_recolor(lab, true);//关键函数
    lv_label_set_text(lab,"#ff0000 ______________");
    lv_obj_set_height(lab,1);
    lv_obj_align(lab,page1,LV_ALIGN_IN_TOP_LEFT,0,0);