WordPress获取特色图像地址主要需要用到两个函数get_post_thumbnail_id和wp_get_attachment_image_src。下面是分别获取小、中、大、完整、指定图片规格的图片地址的方法
获取特色图像：小
<?php
$thumbnail_image_url = wp_get_attachment_image_src( get_post_thumbnail_id($post->ID), 'thumbnail');
echo $thumbnail_image_url[0];
?>
获取特色图像：中
<?php
$medium_image_url = wp_get_attachment_image_src( get_post_thumbnail_id($post->ID), 'medium');
echo $medium_image_url[0];
?>
获取特色图像：大
<?php
$large_image_url = wp_get_attachment_image_src( get_post_thumbnail_id($post->ID), 'large');
echo $large_image_url[0];
?>
获取特色图像：完整
<?php
$full_image_url = wp_get_attachment_image_src( get_post_thumbnail_id($post->ID), 'full');
echo $full_image_url[0];
?>
获取特色图像： 指定100×100
<?php
$array_image_url = wp_get_attachment_image_src( get_post_thumbnail_id($post->ID), array(100,100));
echo $array_image_url[0];
?>
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