【发布时间】：2016-05-22 22:57:32
【问题描述】：
我在一个类中创建了一个元框。我需要它用于我拥有的自定义帖子类型。元框显示正常，但值拒绝保存。我已经多次更改代码，但它仍然不适合我。你知道我做错了什么吗？以下是完整代码：
<?php
class portfolio_metabox {
public function __construct() {
if ( is_admin() ) {
add_action( 'load-post.php', array( $this, 'init_metabox' ) );
add_action( 'load-post-new.php', array( $this, 'init_metabox' ) );
}
}
public function init_metabox() {
add_action( 'add_meta_boxes', array( $this, 'add_metabox' ) );
add_action( 'save_post', array( $this, 'save_metabox' ), 10, 2 );
}
public function add_metabox() {
add_meta_box(
'details',
__( 'Project Details', 'chic' ),
array( $this, 'render_project_metabox' ),
'portfolio',
'advanced',
'default'
);
}
public function render_project_metabox( $post ) {
// Retrieve an existing value from the database.
$portfolio_web_design = get_post_meta( $post->ID, 'portfolio_web_design ', true );
$portfolio_web_dev = get_post_meta( $post->ID, 'portfolio_web_dev ', true );
$portfolio_digital_art = get_post_meta( $post->ID, 'portfolio_digital_art ', true );
$portfolio_graphic_design = get_post_meta( $post->ID, 'portfolio_graphic_design ', true );
// Set default values.
// Form fields.
echo '<table class="form-table">';
echo '<tr>';
echo '<th><label for="portfolio_project" class="portfolio_project_label">' . __( 'Project Type', 'chic' ) . '</label></th>';
echo '<td>';
echo '<label><input type="checkbox" name="portfolio_web_design " class="portfolio_project_field" value="' . $portfolio_web_design . '" ' . checked( $portfolio_web_design , 'checked', false ) . '> ' . __( ' Web Design', 'chic' ) . '</label><br>';
echo '<label><input type="checkbox" name="portfolio_web_dev " class="portfolio_project_field" value="' . $portfolio_web_dev . '" ' . checked( $portfolio_web_dev , 'checked', false ) . '> ' . __( ' Web Development', 'chic' ) . '</label><br>';
echo '<label><input type="checkbox" name="portfolio_digital_art " class="portfolio_project_field" value="' . $portfolio_digital_art . '" ' . checked( $portfolio_digital_art , 'checked', false ) . '> ' . __( ' Digital Art', 'chic' ) . '</label><br>';
echo '<label><input type="checkbox" name="portfolio_graphic_design " class="portfolio_project_field" value="' . $portfolio_graphic_design . '" ' . checked( $portfolio_graphic_design , 'checked', false ) . '> ' . __( ' Graphic Design', 'chic' ) . '</label><br>';
echo '<p class="description">' . __( 'Project Type', 'chic' ) . '</p>';
echo '</td>';
echo '</tr>';
echo '</table>';
}
public function save_metabox( $post_id, $post ) {
// Sanitize user input.
$portfolio_new_web_design = isset( $_POST[ 'portfolio_web_design' ] ) ? 'checked' : '';
$portfolio_new_web_dev = isset( $_POST[ 'portfolio_web_dev' ] ) ? 'checked' : '';
$portfolio_new_digital_art = isset( $_POST[ 'portfolio_digital_art' ] ) ? 'checked' : '';
$portfolio_new_digital_art = isset( $_POST[ 'portfolio_graphic_design' ] ) ? 'checked' : '';
// Update the meta field in the database.
update_post_meta( $post_id, 'portfolio_web_design ', $portfolio_new_web_design );
update_post_meta( $post_id, 'portfolio_web_dev ', $portfolio_new_web_dev );
update_post_meta( $post_id, 'portfolio_digital_art ', $portfolio_new_digital_art );
update_post_meta( $post_id, 'portfolio_graphic_design ', $portfolio_new_digital_art );
}
}
new portfolio_metabox;
?>
更新：
Mukesh Panchal 提供的代码运行良好。它就像我想要的那样保存，但我仍然无法让元数据显示在模板上。任何想法为什么会这样？
【问题讨论】：
标签： wordpress wordpress-theming metadata