yii2 5星评分，半星等

1、方法一 
<ul>
    <?php
    $count = 6;
    $complexScore = $model->orderEvaluate->complex_score;
    $floorComplexScore = floor($complexScore);
    ?>
    <?php for($i = 1; $i < $count; $i++):?>
        <?php if($i <= $floorComplexScore):?>
            <li class="evaluate-score-star1"></li>//满星
        <?php elseif($complexScore > $i-1): ?>
            <li class="evaluate-score-star2"></li>//半星
        <?php else:?>
            <li class="evaluate-score-star3"></li>//空星
        <?php endif; ?>
    <?php endfor;?>
</ul>

<li class="order-last clearfloat">
    <?php if($model->orderEvaluate):?>
    <ul>
        <?= StarWidget::widget(['score' => $model->orderEvaluate->complex_score])?>//传入分数
    </ul>
        <span><?= $model->orderEvaluate->complex_score;?></span>分//总分
    <?php endif; ?>
</li>
<?php endif?>