我有這樣的問(wèn)題，我只想對(duì)所有車型進(jìn)行分組和列出一次，我的問(wèn)題如下所示：我希望它看起來(lái)像這樣：MySQL：$all_model = $mysqli->query("SELECT mark, mark_url, model, model_url, engine, engine_url, generation, generation_url, year_production, body_car, body_car_url FROM auta WHERE mark_url = '$code_curr[3]' and model_url = '$code_curr[4]' GROUP BY generation, body_car");PHP：<?php foreach ($all_model as $value): ?>    <div class="col-lg-3">        <div class="crand-car-container">            <?php echo "Generation:" . $value["generation"]; ?>            <a href="/<?php echo $value['mark_url'] ?>/<?php echo $value['model_url'] ?>/<?php echo $value['generation_url'] ?>/<?php echo $value['body_car_url'] ?>"><?php echo $value['mark'] . " " . $value['model'] . " " . $value['year_production'] . " [" . $value['generation'] . "]" ?></a>        </div>    </div><?php endforeach; ?>