刘天水的博客

WordPress主题是twentysixteen，其它主题类似。

添加过滤和文章截取函数

在主题-编辑-主题文件-模板函数function.PHP文件末尾 添加下面的函数：

/**
 * Display the content in short words
 */
function dm_strimwidth($str ,$start , $width ,$trimmarker ){
 $output = preg_replace('/^(?:[\x00-\x7F]|[\xC0-\xFF][\x80-\xBF]+){0,'.$start.'}((?:[\x00-\x7F]|[\xC0-\xFF][\x80-\xBF]+){0,'.$width.'}).*/s','\1',$str);
 return $output.$trimmarker;
}
/*控制摘要字数*/
function new_excerpt_length($length) {
return 150;
}
function new_excerpt_more($more) {
    global $post;
    return '<a href="'. get_permalink($post->ID) . '">......阅读更多</a>';
}
add_filter('excerpt_more', 'new_excerpt_more');

设置content内容的展示方式

在主题-编辑-主题文件-template-parts-content.php文件末尾替换下面的内容：

原文：

<div class="entry-content">
        <?php
            /* translators: %s: Name of current post */
            the_content( sprintf(
                __( 'Continue reading %s', 'twentysixteen' ),
                the_title( '<span class="screen-reader-text">', '</span>', false )
            ) );

            wp_link_pages( array(
                'before'      => '<div class="page-links"><span class="page-links-title">' . __( 'Pages:', 'twentysixteen' ) . '</span>',
                'after'       => '</div>',
                'link_before' => '<span>',
                'link_after'  => '</span>',
                'pagelink'    => '<span class="screen-reader-text">' . __( 'Page', 'twentysixteen' ) . ' </span>%',
                'separator'   => '<span class="screen-reader-text">, </span>',
            ) );
        ?>
    </div><!-- .entry-content -->

替换后为：

<div class="entry-content">
        <?php
        if ( is_single() ) :
            /* translators: %s: Name of current post */
            the_content( sprintf(
                __( 'Continue reading %s', 'twentysixteen' ),
                the_title( '<span class="screen-reader-text">', '</span>', false )
            ) );

            wp_link_pages( array(
                'before'      => '<div class="page-links"><span class="page-links-title">' . __( 'Pages:', 'twentysixteen' ) . '</span>',
                'after'       => '</div>',
                'link_before' => '<span>',
                'link_after'  => '</span>',
                'pagelink'    => '<span class="screen-reader-text">' . __( 'Page', 'twentysixteen' ) . ' </span>%',
                'separator'   => '<span class="screen-reader-text">, </span>',
            ) );
            else :

            /* translators: %s: Name of current post */
            the_excerpt( sprintf(
                __( 'Continue reading %s', 'twentysixteen' ),
                the_title( '<span class="screen-reader-text">', '</span>', false )
            ) );

            wp_link_pages( array(
                'before'      => '<div class="page-links"><span class="page-links-title">' . __( 'Pages:', 'twentysixteen' ) . '</span>',
                'after'       => '</div>',
                'link_before' => '<span>',
                'link_after'  => '</span>',
                'pagelink'    => '<span class="screen-reader-text">' . __( 'Page', 'twentysixteen' ) . ' </span>%',
                'separator'   => '<span class="screen-reader-text">, </span>',
            ) );
            endif;
        ?>
    </div><!-- .entry-content -->