WordPress近期文章小工具可以在侧边栏展示网站的最新文章,今天我们就来看看近期文章小工具的相关细节。

WordPress近期文章小工具使用介绍
在网站【后台-外观-小工具】中找到近期文章小工具,将它拖到想要展示的侧边栏中。

我们可以设置小工具的标题,显示文章的数量,已经是否显示文章日期,设置好后保存。然后我们看看前端展示。

上图的标题设置是近期文章,文章数量是5,并且显示了文章日期。
WordPress近期文章小工具源码介绍
源码位置:wp-includes\widgets\class-wp-widget-recent-posts.php
源代码:(since 4.4.0)
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 | <?php /** * Widget API: WP_Widget_Recent_Posts class * * @package WordPress * @subpackage Widgets * @since 4.4.0 */ /** * Core class used to implement a Recent Posts widget. * * @since 2.8.0 * * @see WP_Widget */ class WP_Widget_Recent_Posts extends WP_Widget { /** * Sets up a new Recent Posts widget instance. * * @since 2.8.0 * @access public */ public function __construct() { $widget_ops = array( 'classname' => 'widget_recent_entries', 'description' => __( 'Your site’s most recent Posts.' ), 'customize_selective_refresh' => true, ); parent::__construct( 'recent-posts', __( 'Recent Posts' ), $widget_ops ); $this->alt_option_name = 'widget_recent_entries'; } /** * Outputs the content for the current Recent Posts widget instance. * * @since 2.8.0 * @access public * * @param array $args Display arguments including 'before_title', 'after_title', * 'before_widget', and 'after_widget'. * @param array $instance Settings for the current Recent Posts widget instance. */ public function widget( $args, $instance ) { if ( ! isset( $args['widget_id'] ) ) { $args['widget_id'] = $this->id; } $title = ( ! empty( $instance['title'] ) ) ? $instance['title'] : __( 'Recent Posts' ); /** This filter is documented in wp-includes/widgets/class-wp-widget-pages.php */ $title = apply_filters( 'widget_title', $title, $instance, $this->id_base ); $number = ( ! empty( $instance['number'] ) ) ? absint( $instance['number'] ) : 5; if ( ! $number ) $number = 5; $show_date = isset( $instance['show_date'] ) ? $instance['show_date'] : false; /** * Filter the arguments for the Recent Posts widget. * * @since 3.4.0 * * @see WP_Query::get_posts() * * @param array $args An array of arguments used to retrieve the recent posts. */ $r = new WP_Query( apply_filters( 'widget_posts_args', array( 'posts_per_page' => $number, 'no_found_rows' => true, 'post_status' => 'publish', 'ignore_sticky_posts' => true ) ) ); if ($r->have_posts()) : ?> <?php echo $args['before_widget']; ?> <?php if ( $title ) { echo $args['before_title'] . $title . $args['after_title']; } ?> <ul> <?php while ( $r->have_posts() ) : $r->the_post(); ?> <li> <a href="<?php the_permalink(); ?>"><?php get_the_title() ? the_title() : the_ID(); ?></a> <?php if ( $show_date ) : ?> <span class="post-date"><?php echo get_the_date(); ?></span> <?php endif; ?> </li> <?php endwhile; ?> </ul> <?php echo $args['after_widget']; ?> <?php // Reset the global $the_post as this query will have stomped on it wp_reset_postdata(); endif; } /** * Handles updating the settings for the current Recent Posts widget instance. * * @since 2.8.0 * @access public * * @param array $new_instance New settings for this instance as input by the user via * WP_Widget::form(). * @param array $old_instance Old settings for this instance. * @return array Updated settings to save. */ public function update( $new_instance, $old_instance ) { $instance = $old_instance; $instance['title'] = sanitize_text_field( $new_instance['title'] ); $instance['number'] = (int) $new_instance['number']; $instance['show_date'] = isset( $new_instance['show_date'] ) ? (bool) $new_instance['show_date'] : false; return $instance; } /** * Outputs the settings form for the Recent Posts widget. * * @since 2.8.0 * @access public * * @param array $instance Current settings. */ public function form( $instance ) { $title = isset( $instance['title'] ) ? esc_attr( $instance['title'] ) : ''; $number = isset( $instance['number'] ) ? absint( $instance['number'] ) : 5; $show_date = isset( $instance['show_date'] ) ? (bool) $instance['show_date'] : false; ?> <p><label for="<?php echo $this->get_field_id( 'title' ); ?>"><?php _e( 'Title:' ); ?></label> <input class="widefat" id="<?php echo $this->get_field_id( 'title' ); ?>" name="<?php echo $this->get_field_name( 'title' ); ?>" type="text" value="<?php echo $title; ?>" /></p> <p><label for="<?php echo $this->get_field_id( 'number' ); ?>"><?php _e( 'Number of posts to show:' ); ?></label> <input class="tiny-text" id="<?php echo $this->get_field_id( 'number' ); ?>" name="<?php echo $this->get_field_name( 'number' ); ?>" type="number" step="1" min="1" value="<?php echo $number; ?>" size="3" /></p> <p><input class="checkbox" type="checkbox"<?php checked( $show_date ); ?> id="<?php echo $this->get_field_id( 'show_date' ); ?>" name="<?php echo $this->get_field_name( 'show_date' ); ?>" /> <label for="<?php echo $this->get_field_id( 'show_date' ); ?>"><?php _e( 'Display post date?' ); ?></label></p> <?php } } |
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