我想为我的主题创建一个小部件。 小部件的设施是用户可以选择类别明智的帖子，并限制从一个类别显示的帖子数量，然后它显示该帖子和分页，以便所有具有该类别的帖子可以通过使用分页看到。
这是我的代码
class colornews_featured_post_style_five_widget extends WP_Widget {
function __construct() {
$widget_ops = array( 'classname' => 'widget_featured_posts_style_two colornews_custom_widget', 'description' =>__( 'Display latest posts or posts of specific category.' , 'colornews') );
$control_ops = array( 'width' => 200, 'height' =>250 );
parent::__construct( false,$name= __( 'TG: Category wise Posts', 'colornews' ),$widget_ops);
}
function form( $instance ) {
$tg_defaults['title'] = '';
$tg_defaults['number'] = '';
$tg_defaults['type'] = 'latest';
$tg_defaults['category'] = '';
$instance = wp_parse_args( (array) $instance, $tg_defaults );
$title = esc_attr( $instance[ 'title' ] );
$number = $instance['number'];
$type = $instance['type'];
$category = $instance['category'];
?>
<p><?php _e( 'Layout will be as below:', 'colornews' ) ?></p>
<div style="text-align: center;"><img src="<?php echo get_template_directory_uri() . '/img/style-2.jpg'?>"></div>
<p><label for="<?php echo $this->get_field_id('title'); ?>"><?php _e( 'Title:', 'colornews' ); ?></label>
<input 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 display:', 'colornews' ); ?></label>
<input id="<?php echo $this->get_field_id('number'); ?>" name="<?php echo $this->get_field_name('number'); ?>" type="text" value="<?php echo $number; ?>" size="3" /></p>
<p><input type="radio" <?php checked($type, 'latest') ?> id="<?php echo $this->get_field_id( 'type' ); ?>" name="<?php echo $this->get_field_name( 'type' ); ?>" value="latest"/><?php _e( 'Show latest Posts', 'colornews' );?><br />
<input type="radio" <?php checked($type,'category') ?> id="<?php echo $this->get_field_id( 'type' ); ?>" name="<?php echo $this->get_field_name( 'type' ); ?>" value="category"/><?php _e( 'Show posts from a category', 'colornews' );?><br /></p>
<p><label for="<?php echo $this->get_field_id( 'category' ); ?>"><?php _e( 'Select category', 'colornews' ); ?>:</label>
<?php wp_dropdown_categories( array( 'show_option_none' =>' ','name' => $this->get_field_name( 'category' ), 'selected' => $category ) ); ?></p>
<?php
}
function update( $new_instance, $old_instance ) {
$instance = $old_instance;
$instance[ 'title' ] = strip_tags( $new_instance[ 'title' ] );
$instance[ 'number' ] = absint( $new_instance[ 'number' ] );
$instance[ 'type' ] = $new_instance[ 'type' ];
$instance[ 'category' ] = $new_instance[ 'category' ];
return $instance;
}
function widget( $args, $instance ) {
extract( $args );
extract( $instance );
global $post;
$title = isset( $instance[ 'title' ] ) ? $instance[ 'title' ] : '';
$type = isset( $instance[ 'type' ] ) ? $instance[ 'type' ] : 'latest' ;
$category = isset( $instance[ 'category' ] ) ? $instance[ 'category' ] : '';
$get_featured_posts = new WP_Query( array(
'post_type' => 'post',
'ignore_sticky_posts' => true,
'category__in' => $category
) );
echo $before_widget;
?>
<div class="magazine-block-1">
<div class="tg-block-wrapper clearfix">
<?php
if ( $type != 'latest' ) {
$background_color = 'style="background-color:' . colornews_category_color($category) . ';"';
} else {
$background_color = '';
}
if ( !empty( $title ) ) { echo '<h3 class="widget-title title-block-wrap clearfix"><span class="block-title" ' . $background_color .'><span>'. esc_html( $title ) .'</span></span></h3>'; } ?>
<div class="featured-post-wrapper clearfix">
<div class="tg-column-wrapper">
<?php
$i=1;
while( $get_featured_posts->have_posts() ):$get_featured_posts->the_post();
?>
<div class="tg-column-1"><div class="first-post" style="margin-bottom:30px">
<div class="single-article clearfix">
<?php
if( has_post_thumbnail() ) {
$image = '';
$title_attribute = get_the_title( $post->ID );
$image .= '<figure>';
$image .= '<a href="' . get_permalink() . '" title="'.the_title( '', '', false ).'">';
$image .= get_the_post_thumbnail( $post->ID, $featured, array( 'title' => esc_attr( $title_attribute ), 'alt' => esc_attr( $title_attribute ) ) ).'</a>';
//$image .= colornews_colored_category_return(0);
$image .= '</figure>';
echo $image;
}
?>
<div class="article-content">
<h3 class="entry-title">
<a href="<?php the_permalink(); ?>" title="<?php the_title_attribute();?>"><?php the_title(); ?></a>
</h3>
<?php $no_featured_image_extra_class = has_post_thumbnail() ? '' : 'featured-no-image'; ?>
<div class="below-entry-meta <?php echo $no_featured_image_extra_class; ?>">
<?php
$time_string = '<time class="entry-date published" datetime="%1$s">%2$s</time>';
$time_string = sprintf( $time_string,
esc_attr( get_the_date( 'c' ) ),
esc_html( get_the_date() )
);
printf( __( '<span class="posted-on"><a href="%1$s" title="%2$s" rel="bookmark"><i class="fa fa-calendar-o"></i> %3$s</a></span>', 'colornews' ),
esc_url( get_permalink() ),
esc_attr( get_the_time() ),
$time_string
);
?>
<span class="byline"><span class="author vcard"><i class="fa fa-user"></i><a class="url fn n" href="<?php echo esc_url( get_author_posts_url( get_the_author_meta( 'ID' ) ) ); ?>" title="<?php echo get_the_author(); ?>"><?php echo esc_html( get_the_author() ); ?></a></span></span>
<span class="comments"><i class="fa fa-comment"></i><?php comments_popup_link( '0', '1', '%' );?></span> <br>
</div>
<div class="category-content" style=" margin-top: 17px;
margin-left: -3px;">
`
<?php
if( has_post_thumbnail() ) {
$image = '';
$image .= '<figure>';
$image .= colornews_colored_category_return(0);
$image .= '</figure>';
echo $image;
}
?>
</div>
<div class="entry-content">
<?php the_excerpt(); ?>
</div>
<div class="entry-btn">
<a href="<?php the_permalink(); ?>"><?php _e('বিস্তারিত <i class="fa fa-angle-double-right"></i>', 'colornews'); ?></a>
</div>
</div>
</div></div></div>
<?php
endwhile;
$GLOBALS['wp_query']->max_num_pages = $get_featured_posts->max_num_pages;
the_posts_pagination( array(
'mid_size' => 2,
'prev_text' => __( '<-', 'green' ),
'next_text' => __( '->', 'green' ),
'screen_reader_text' => __( 'Posts navigation' )
) );
// Reset Post Data
wp_reset_query();
?>
<?php
?>
</div>
</div>
</div>
</div>
<?php echo $after_widget;
}
}
答案 0 :(得分：0)
在页面中使用此帖子 - WordPress插件。 这是插件链接 https://wordpress.org/plugins/posts-in-page/
你也可以看到它的工作原理 https://wordpress.org/plugins/posts-in-page/installation/