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以下是关于WordPress导入器的详细指南,涵盖从基础操作到高级技巧的全方位解析:
WordPress内置的WordPress导入器(WordPress Importer)支持从以下平台迁移内容:
# 通过WordPress后台安装
1. 登录WP后台 → 插件 → 添加新
2. 搜索"WordPress Importer" → 安装并启用
// 示例:从Blogger导入的配置参数
$options = array(
'fetch_attachments' => true, // 下载远程附件
'import_comments' => true, // 导入评论
'import_users' => true, // 创建对应用户
'content_type' => 'post', // 导入类型(post/page)
'author' => 'admin' // 指定作者
);
// 使用WP CLI批量导入多个XML文件
function batch_import_xml($dir_path) {
$files = glob($dir_path . '/*.xml');
foreach ($files as $file) {
$args = array(
'import_file' => $file,
'fetch_attachments' => true
);
$importer = new WP_Importer();
$importer->fetch_attachments = true;
$importer->import($args);
}
}
// 使用WooCommerce CSV导入器
function import_products_csv($csv_path) {
if (!class_exists('WC_Product_CSV_Importer_Controller')) {
require_once ABSPATH . 'wp-admin/includes/class-wc-product-csv-importer-controller.php';
}
$importer = new WC_Product_CSV_Importer_Controller();
$importer->import($csv_path);
}
// 使用WordPress.com API迁移
function migrate_from_wordpress_com($username, $password) {
$api = new Automattic\WooCommerce\RestApi\Client(
'https://public-api.wordpress.com/rest/v1.1/sites/' . $username . '/posts/',
array(
'Authorization' => 'Basic ' . base64_encode($username . ':' . $password)
)
);
$posts = $api->get('');
foreach ($posts as $post) {
wp_insert_post(array(
'post_title' => $post->title,
'post_content' => $post->content,
'post_author' => 1,
'post_status' => 'publish'
));
}
}
// 强制下载远程附件
add_filter('wp_import_attachment_url', 'force_download_attachments', 10, 2);
function force_download_attachments($url, $post_id) {
$upload_dir = wp_upload_dir();
$file_path = download_url($url);
if (is_wp_error($file_path)) {
return $url;
}
$file_name = basename($url);
$file_type = wp_check_filetype($file_path);
$attachment = array(
'post_mime_type' => $file_type['type'],
'post_title' => $file_name,
'post_content' => '',
'post_status' => 'inherit'
);
$attach_id = wp_insert_attachment($attachment, $file_path, $post_id);
require_once(ABSPATH . 'wp-admin/includes/image.php');
$attach_data = wp_generate_attachment_metadata($attach_id, $file_path);
wp_update_attachment_metadata($attach_id, $attach_data);
return $attach_id;
}
// 自定义分类映射表
$category_mapping = array(
'Old Category 1' => 'New Category A',
'Old Category 2' => 'New Category B'
);
// 过滤函数
function map_categories($term) {
global $category_mapping;
if (isset($category_mapping[$term->name])) {
return $category_mapping[$term->name];
}
return $term->name;
}
add_filter('wp_import_term_taxonomy', 'map_categories');
// 使用批量插入API
function bulk_insert_posts($posts) {
global $wpdb;
$wpdb->hide_errors();
$rows = array();
foreach ($posts as $post) {
$rows[] = "('" . esc_sql($post['post_title']) . "', '" . esc_sql($post['post_content']) . "')";
}
$sql = "INSERT INTO $wpdb->posts (post_title, post_content) VALUES " . implode(',', $rows);
$wpdb->query($sql);
}
// 分批次处理大文件
function process_large_xml($xml_file, $batch_size = 100) {
$xml = simplexml_load_file($xml_file);
$count = 0;
foreach ($xml->channel->item as $item) {
// 处理单个条目
if (++$count % $batch_size == 0) {
gc_collect_cycles(); // 手动触发垃圾回收
}
}
}
// 自动更新永久链接 flush_rewrite_rules(); // 修复附件关系 update_option('image_default_link_type', 'none');
<Files *.xml> Order Allow,Deny Deny from all </Files>
通过合理使用WordPress导入器,您可以高效完成:
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