WP-PostRatings 只显示评分结果方法
WP-PostRatings 插件使用<?php if(function_exists('the_ratings')) { the_ratings(); } ?>代码添加评分功能，但这是一个完整模块。如果希望只希望显示评分结果，限制点击评分操作，可以使用<?php echo the_ratings_results( get_the_ID() ); ?>获取，多余文本在插件模板选项里删除。
另一个方法是直接从数据库获取评分数据输出，方便修改结构样式。在functions.php主题文件里添加下面代码。
function showRatings($id, $css_class = 'show-ratings') {
global $wpdb;
$path = plugins_url('wp-postratings/images/'.get_option('postratings_image'));
$rating = $wpdb->get_var("SELECT AVG(rating_rating) AS rating FROM $wpdb->ratings WHERE rating_postid = $id");
$i = 0;
$html = '<div class="'.$css_class.'">';
if (!empty($rating)) {
while ($i < floor($rating)) {
$html .= '<img src="'.$path.'/rating_on.gif" alt="" />';
$i++;
}
if (round($rating, 1) == ($i+0.5)) {
$html .= '<img src="'.$path.'/rating_half.gif" alt="" />';
$i++;
}
}
while ($i < 5) {
$html .= '<img src="'.$path.'/rating_off.gif" alt="" />';
$i++;
}
$html .= '</div>';
return $html;
}
然后使用<?php echo showRatings( get_the_ID() ); ?>代码调用。
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