{"id":4738,"date":"2025-10-20T16:45:18","date_gmt":"2025-10-20T08:45:18","guid":{"rendered":"https:\/\/www.zhaozhao123.cn\/wpcms\/wenda\/4738.html"},"modified":"2025-10-20T16:45:19","modified_gmt":"2025-10-20T08:45:19","slug":"wordpress%e5%a4%9a%e7%ab%99%e7%82%b9%e5%b9%b6%e8%a1%8c%e6%90%9c%e7%b4%a2%e5%a6%82%e4%bd%95%e5%ae%9e%e7%8e%b0%ef%bc%9f%e5%a6%82%e4%bd%95%e5%b0%86%e5%a4%9a%e7%ab%99%e7%ab%99%e7%82%b9%e7%9a%84%e6%95%b0","status":"publish","type":"wenda","link":"https:\/\/www.zhaozhao123.cn\/wpcms\/wenda\/4738.html","title":{"rendered":"WordPress\u591a\u7ad9\u70b9\u5e76\u884c\u641c\u7d22\u5982\u4f55\u5b9e\u73b0\uff1f\u5982\u4f55\u5c06\u591a\u7ad9\u7ad9\u70b9\u7684\u6570\u636e\u5e93\u4e2d\u7684_posts\u6570\u636e\u8868\u5e76\u884c\u641c\u7d22\uff1f"},"content":{"rendered":"<p>\u5728WordPress\u591a\u7ad9\u70b9\uff08Multisite\uff09\u7f51\u7edc\u4e2d\uff0c\u6240\u6709\u7ad9\u70b9\u867d\u7136\u5171\u4eab\u4e00\u4e2a\u6570\u636e\u5e93\uff0c\u4f46\u6bcf\u4e2a\u7ad9\u70b9\u90fd\u6709\u81ea\u5df1\u72ec\u7acb\u7684\u4e00\u7ec4\u6570\u636e\u8868\uff08\u4ee5\u4e0d\u540c\u7684\u8868\u524d\u7f00\u533a\u5206\uff09\u3002\u8981\u5b9e\u73b0\u8de8\u591a\u4e2a\u7ad9\u70b9\u7684 <code>_posts<\/code> \u6570\u636e\u8868\u5e76\u884c\u641c\u7d22\uff0c\u6838\u5fc3\u601d\u8def\u662f<strong>\u540c\u65f6\u67e5\u8be2\u591a\u4e2a\u7ad9\u70b9\u7684\u6587\u7ae0\u8868<\/strong>\u3002\u4e0b\u9762\u6211\u5c06\u4e3a\u4f60\u4ecb\u7ecd\u51e0\u79cd\u5b9e\u73b0\u65b9\u6cd5\u3002<\/p><p>\u9996\u5148\uff0c\u4f60\u53ef\u4ee5\u901a\u8fc7\u4e0b\u9762\u7684\u6d41\u7a0b\u56fe\u4e86\u89e3\u4e0d\u540c\u89e3\u51b3\u65b9\u6848\u7684\u8def\u5f84\u9009\u62e9\u3002<\/p><pre class=\"wp-block-code\"><code>flowchart TD\n    A[WordPress\u591a\u7ad9\u70b9\u5e76\u884c\u641c\u7d22\u89e3\u51b3\u65b9\u6848] --&gt; B{\u9009\u62e9\u89e3\u51b3\u65b9\u6848};\n\n    B -- \u4fbf\u6377\u9ad8\u6548 --&gt; C[\u4f7f\u7528\u4e13\u7528\u63d2\u4ef6];\n    B -- \u5b9a\u5236\u5f00\u53d1&lt;br&gt;\u8f7b\u5ea6\u9700\u6c42 --&gt; D[\u4f7f\u7528WordPress API&lt;br&gt;switch_to_blog];\n    B -- \u5b9a\u5236\u5f00\u53d1&lt;br&gt;\u590d\u6742\u7cbe\u51c6\u9700\u6c42 --&gt; E[\u76f4\u63a5\u8fd0\u884c\u8de8\u8868SQL\u67e5\u8be2];\n\n    C --&gt; F[\u65b9\u6848\u4e00: \u5b89\u88c5MultiSite Global Search\u7b49\u63d2\u4ef6];\n    D --&gt; G[\u65b9\u6848\u4e8c: \u4f7f\u7528switch_to_blog\u5faa\u73af\u67e5\u8be2];\n    E --&gt; H[\u65b9\u6848\u4e09: \u7f16\u5199\u81ea\u5b9a\u4e49SQL\u8054\u5408\u67e5\u8be2];\n\n    G --&gt; I[\u83b7\u53d6\u5168\u5c40\u641c\u7d22\u8bcd];\n    I --&gt; J[\u5faa\u73af\u904d\u5386\u7ad9\u70b9\u5217\u8868];\n    J --&gt; K[\u5207\u6362\u7ad9\u70b9 switch_to_blog];\n    K --&gt; L[\u6267\u884c\u672c\u7ad9\u70b9\u641c\u7d22 WP_Query];\n    L --&gt; M[\u5b58\u50a8\u5408\u5e76\u7ed3\u679c];\n    M --&gt; N[\u6062\u590d\u5f53\u524d\u7ad9\u70b9 restore_current_blog];\n    N --&gt; O[\u5448\u73b0\u6240\u6709\u7ed3\u679c];\n\n    H --&gt; P[\u83b7\u53d6\u6240\u6709\u7ad9\u70b9\u8868\u524d\u7f00];\n    P --&gt; Q[\u6784\u5efaUNION ALL SQL\u8bed\u53e5];\n    Q --&gt; R[\u6267\u884c\u81ea\u5b9a\u4e49SQL\u67e5\u8be2 $wpdb-&gt;get_results];\n    R --&gt; S[\u5904\u7406\u5e76\u683c\u5f0f\u5316\u7ed3\u679c];<\/code><\/pre><p>\u4e0a\u56fe\u5c55\u793a\u4e86\u5b9e\u73b0\u5e76\u884c\u641c\u7d22\u7684\u51e0\u79cd\u8def\u5f84\u3002\u5bf9\u4e8e\u5927\u591a\u6570\u7528\u6237\uff0c<strong>\u4f7f\u7528\u73b0\u6210\u7684\u63d2\u4ef6\uff08\u65b9\u6848\u4e00\uff09\u662f\u6700\u7b80\u5355\u9ad8\u6548\u7684\u9009\u62e9<\/strong>\u3002\u5982\u679c\u4f60\u5e0c\u671b\u81ea\u5b9a\u4e49\u5f00\u53d1\uff0c\u53ef\u4ee5\u6839\u636e\u5bf9\u4ee3\u7801\u7684\u63a7\u5236\u7a0b\u5ea6\u548c\u6027\u80fd\u8981\u6c42\uff0c\u5728<strong>\u5faa\u73af\u5207\u6362\u67e5\u8be2\uff08\u65b9\u6848\u4e8c\uff09<\/strong> \u548c<strong>\u76f4\u63a5\u7f16\u5199\u8de8\u8868SQL\uff08\u65b9\u6848\u4e09\uff09<\/strong> \u4e2d\u9009\u62e9\u3002<\/p><h2 class=\"wp-block-heading\">\ud83d\udd0c \u65b9\u6848\u4e00\uff1a\u4f7f\u7528\u591a\u7ad9\u70b9\u641c\u7d22\u63d2\u4ef6<\/h2><p>\u8fd9\u662f\u6700\u5feb\u901f\u3001\u6700\u7701\u5fc3\u7684\u65b9\u6cd5\uff0c\u5c24\u5176\u9002\u5408\u4e0d\u719f\u6089\u4ee3\u7801\u7684\u7528\u6237\u3002<\/p><ol class=\"wp-block-list\">\n<li><strong>MultiSite Global Search<\/strong>\uff1a\u8fd9\u662f\u4e00\u4e2a\u77e5\u540d\u7684\u514d\u8d39\u63d2\u4ef6\uff0c\u4e13\u4e3aWordPress\u591a\u7ad9\u70b9\u8bbe\u8ba1\u3002\u5b83\u80fd\u591f\u81ea\u52a8\u641c\u7d22\u7f51\u7edc\u4e2d\u7684\u6240\u6709\u7ad9\u70b9\u7684\u5185\u5bb9\uff0c\u5e76\u5728\u4e00\u4e2a\u7edf\u4e00\u7684\u9875\u9762\u663e\u793a\u641c\u7d22\u7ed3\u679c\u3002\n<ul class=\"wp-block-list\">\n<li><strong>\u4f18\u70b9<\/strong>\uff1a\u5b89\u88c5\u7b80\u5355\uff0c\u914d\u7f6e\u65b9\u4fbf\uff0c\u65e0\u9700\u7f16\u7801\u3002<\/li>\n\n\n\n<li><strong>\u7f3a\u70b9<\/strong>\uff1a\u81ea\u5b9a\u4e49\u80fd\u529b\u76f8\u5bf9\u8f83\u5f31\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u5176\u4ed6\u63d2\u4ef6\u9009\u62e9<\/strong>\uff1a\u4f60\u53ef\u4ee5\u5728WordPress\u63d2\u4ef6\u5e93\u4e2d\u641c\u7d22 &#8220;Multisite Search&#8221; \u6216 &#8220;Network Search&#8221; \u6765\u5bfb\u627e\u5176\u4ed6\u53ef\u80fd\u66f4\u65b0\u7684\u63d2\u4ef6\u3002<\/li>\n<\/ol><h2 class=\"wp-block-heading\">\ud83d\udca1 \u65b9\u6848\u4e8c\uff1a\u4f7f\u7528 <code>switch_to_blog()<\/code> \u5e76\u5faa\u73af\u67e5\u8be2<\/h2><p>\u8fd9\u662f\u6700\u7b26\u5408WordPress\u6807\u51c6\u505a\u6cd5\u7684\u65b9\u6cd5\u3002\u5176\u539f\u7406\u662f<strong>\u5faa\u73af\u904d\u5386\u6240\u6709\u7ad9\u70b9\uff0c\u4e34\u65f6\u5207\u6362\u5230\u6bcf\u4e2a\u7ad9\u70b9\u6267\u884c\u641c\u7d22\uff0c\u6700\u540e\u6c47\u603b\u7ed3\u679c<\/strong>\u3002<\/p><pre class=\"wp-block-code\"><code>&lt;?php\n\/\/ \u5047\u8bbe\u8fd9\u662f\u5728search.php\u6a21\u677f\u6216\u81ea\u5b9a\u4e49\u529f\u80fd\u6a21\u5757\u4e2d\u7684\u4ee3\u7801\nglobal $wpdb, $post;\n\n\/\/ 1. \u83b7\u53d6\u7528\u6237\u7684\u641c\u7d22\u67e5\u8be2\n$search_query = get_search_query();\n\n\/\/ 2. \u83b7\u53d6\u7f51\u7edc\u4e2d\u6240\u6709\u7ad9\u70b9\u7684ID\u5217\u8868\n\/\/ \u8fd9\u91cc\u4f7f\u7528 get_sites() \u51fd\u6570\uff0c\u4f60\u9700\u8981\u6839\u636eWordPress\u7248\u672c\u786e\u4fdd\u5176\u53ef\u7528\u6027\n$site_args = array('number' =&gt; 100); \/\/ \u9650\u5236\u7ad9\u70b9\u6570\u91cf\uff0c\u6839\u636e\u5b9e\u9645\u60c5\u51b5\u8c03\u6574\n$all_sites = get_sites($site_args);\n\n\/\/ 3. \u521d\u59cb\u5316\u4e00\u4e2a\u6570\u7ec4\u6765\u5b58\u653e\u6240\u6709\u7ed3\u679c\n$all_results = array();\n\n\/\/ 4. \u5faa\u73af\u904d\u5386\u6bcf\u4e00\u4e2a\u7ad9\u70b9\nforeach ($all_sites as $site) {\n    $site_id = (int) $site-&gt;blog_id;\n\n    \/\/ \u5207\u6362\u5230\u76ee\u6807\u7ad9\u70b9\n    switch_to_blog($site_id);\n\n    \/\/ 5. \u5728\u5f53\u524d\u7ad9\u70b9\u4e2d\u6267\u884c\u641c\u7d22\u67e5\u8be2\n    $args = array(\n        's' =&gt; $search_query, \/\/ \u641c\u7d22\u5173\u952e\u8bcd\n        'post_type' =&gt; 'post', \/\/ \u53ef\u4ee5\u6539\u4e3a 'any' \u4ee5\u641c\u7d22\u6240\u6709\u6587\u7ae0\u7c7b\u578b\n        'posts_per_page' =&gt; 5, \/\/ \u6bcf\u4e2a\u7ad9\u70b9\u8fd4\u56de\u7684\u6587\u7ae0\u6570\u91cf\uff0c\u63a7\u5236\u4e00\u4e0b\u4ee5\u9632\u592a\u591a\n        'ignore_sticky_posts' =&gt; true,\n    );\n    $site_search = new WP_Query($args);\n\n    \/\/ 6. \u5982\u679c\u8be5\u7ad9\u70b9\u6709\u641c\u7d22\u7ed3\u679c\uff0c\u5219\u5b58\u50a8\u8d77\u6765\n    if ($site_search-&gt;have_posts()) {\n        while ($site_search-&gt;have_posts()) {\n            $site_search-&gt;the_post();\n\n            \/\/ \u83b7\u53d6\u6587\u7ae0\u4fe1\u606f\uff0c\u5e76\u9644\u52a0\u4e0a\u7ad9\u70b9ID\u548c\u540d\u79f0\n            $post_data = array(\n                'site_id' =&gt; $site_id,\n                'site_name' =&gt; get_bloginfo('name'),\n                'post_id' =&gt; get_the_ID(),\n                'post_title' =&gt; get_the_title(),\n                'post_excerpt' =&gt; get_the_excerpt(),\n                'post_permalink' =&gt; get_permalink(),\n                \/\/ \u53ef\u4ee5\u6dfb\u52a0\u66f4\u591a\u4f60\u9700\u8981\u7684\u6570\u636e\n            );\n            \/\/ \u5c06\u5f53\u524d\u6587\u7ae0\u7684\u6570\u636e\u6dfb\u52a0\u5230\u603b\u7ed3\u679c\u6570\u7ec4\u4e2d\n            $all_results[] = $post_data;\n        }\n        \/\/ \u91cd\u7f6e\u672c\u7ad9\u70b9\u7684\u5e16\u5b50\u6570\u636e\n        wp_reset_postdata();\n    }\n\n    \/\/ 7. \u5207\u56de\u539f\u59cb\u7ad9\u70b9\uff08\u901a\u5e38\u662f\u4e3b\u7ad9\uff09\n    restore_current_blog();\n}\n\n\/\/ 8. \u73b0\u5728 $all_results \u5305\u542b\u4e86\u6240\u6709\u7ad9\u70b9\u7684\u641c\u7d22\u7ed3\u679c\n\/\/ \u4f60\u53ef\u4ee5\u5728\u8fd9\u91cc\u5faa\u73af\u904d\u5386 $all_results \u5e76\u663e\u793a\u5b83\u4eec\nif (!empty($all_results)) {\n    echo '&lt;h2&gt;\u5168\u7f51\u641c\u7d22\u7ed3\u679c\uff1a&lt;\/h2&gt;';\n    foreach ($all_results as $result) {\n        echo '&lt;article&gt;';\n        echo '&lt;h3&gt;&lt;a href=\"' . esc_url($result['post_permalink']) . '\"&gt;' . esc_html($result['post_title']) . '&lt;\/a&gt; (\u6765\u81ea: ' . esc_html($result['site_name']) . ')&lt;\/h3&gt;';\n        echo '&lt;p&gt;' . esc_html($result['post_excerpt']) . '&lt;\/p&gt;';\n        echo '&lt;\/article&gt;';\n    }\n} else {\n    echo '&lt;p&gt;\u62b1\u6b49\uff0c\u6ca1\u6709\u627e\u5230\u4efb\u4f55\u7ed3\u679c\u3002&lt;\/p&gt;';\n}\n?&gt;<\/code><\/pre><p><strong>\u4f18\u70b9<\/strong>\uff1a<\/p><ul class=\"wp-block-list\">\n<li>\u5145\u5206\u5229\u7528\u4e86WordPress\u81ea\u8eab\u7684API\uff08\u5982<code>WP_Query<\/code>\uff09\uff0c\u517c\u5bb9\u6027\u597d\uff0c\u5b89\u5168\u53ef\u9760\u3002<\/li>\n\n\n\n<li>\u80fd\u81ea\u52a8\u5904\u7406\u6587\u7ae0\u7c7b\u578b\u3001\u72b6\u6001\u3001\u6743\u9650\u7b49\u3002<\/li>\n<\/ul><p><strong>\u7f3a\u70b9<\/strong>\uff1a<\/p><ul class=\"wp-block-list\">\n<li>\u9700\u8981\u8fdb\u884c\u591a\u6b21\u6570\u636e\u5e93\u67e5\u8be2\uff08\u6bcf\u4e2a\u7ad9\u70b9\u81f3\u5c11\u4e00\u6b21\uff09\uff0c<strong>\u6027\u80fd\u53ef\u80fd\u6210\u4e3a\u95ee\u9898<\/strong>\uff0c\u5c24\u5176\u662f\u5f53\u7ad9\u70b9\u6570\u91cf\u975e\u5e38\u591a\u6216\u6587\u7ae0\u6570\u91cf\u5de8\u5927\u65f6\u3002\u52a1\u5fc5\u8bbe\u7f6e\u5408\u7406\u7684 <code>posts_per_page<\/code> \u5e76\u8003\u8651\u5bf9\u8c61\u7f13\u5b58\u3002<\/li>\n<\/ul><h2 class=\"wp-block-heading\">\ud83d\uddc4\ufe0f \u65b9\u6848\u4e09\uff1a\u76f4\u63a5\u7f16\u5199\u81ea\u5b9a\u4e49SQL\u67e5\u8be2\uff08UNION ALL\uff09<\/h2><p>\u8fd9\u79cd\u65b9\u6cd5\u901a\u8fc7\u4e00\u6761SQL\u8bed\u53e5\u76f4\u63a5\u8054\u5408\u67e5\u8be2\u591a\u4e2a\u7ad9\u70b9\u7684 <code>_posts<\/code> \u8868\uff0c<strong>\u6027\u80fd\u901a\u5e38\u66f4\u9ad8<\/strong>\u3002<\/p><pre class=\"wp-block-code\"><code>&lt;?php\n\/\/ \u5047\u8bbe\u8fd9\u662f\u5728search.php\u6216\u901a\u8fc7\u94a9\u5b50\u5b9e\u73b0\u7684\u51fd\u6570\u4e2d\n\nglobal $wpdb;\n\n\/\/ 1. \u83b7\u53d6\u641c\u7d22\u8bcd\u5e76\u8fdb\u884c\u6e05\u7406\uff0c\u9632\u6b62SQL\u6ce8\u5165\n$search_term = get_search_query();\n$clean_search_term = like_escape($search_term); \/\/ \u6ce8\u610f\uff1alike_escape\u5df2\u8fc7\u65f6\uff0c\u63a8\u8350\u4f7f\u7528$wpdb-&gt;esc_like\n$clean_search_term = $wpdb-&gt;esc_like($search_term);\n\n\/\/ 2. \u83b7\u53d6\u6240\u6709\u7ad9\u70b9\u7684\u4fe1\u606f\u53ca\u5176\u8868\u524d\u7f00\n\/\/ \u591a\u7ad9\u70b9\u7684\u7ad9\u70b9\u4fe1\u606f\u5b58\u50a8\u5728 wp_blogs \u8868\u4e2d\n$sites = $wpdb-&gt;get_results(\"SELECT blog_id, domain, path FROM {$wpdb-&gt;blogs} WHERE public = 1 AND archived = '0' AND deleted = '0'\");\n\n\/\/ 3. \u6784\u5efaUNION ALL\u67e5\u8be2\u7684\u5404\u4e2a\u90e8\u5206\n$union_sql_parts = array();\nforeach ($sites as $site) {\n    \/\/ \u83b7\u53d6\u8be5\u7ad9\u70b9\u7684\u6587\u7ae0\u8868\u5168\u540d\n    $post_table = $wpdb-&gt;get_blog_prefix($site-&gt;blog_id) . 'posts'; \/\/ \u4f8b\u5982 wp_2_posts\n\n    \/\/ \u6784\u5efa\u67e5\u8be2\u5355\u4e2a\u7ad9\u70b9posts\u8868\u7684SQL\u7247\u6bb5\n    \/\/ \u6ce8\u610f\uff1a\u8fd9\u91cc\u53ea\u67e5\u8be2\u4e86\u57fa\u672c\u5b57\u6bb5\uff0c\u4f60\u53ef\u4ee5\u6839\u636e\u9700\u8981\u6dfb\u52a0\u66f4\u591a\u5b57\u6bb5\uff08\u5982post_excerpt\uff09\n    \/\/ \u786e\u4fdd\u5404\u7247\u6bb5\u7684\u5b57\u6bb5\u6570\u91cf\u548c\u7c7b\u578b\u5fc5\u987b\u4e00\u81f4\n    $part = $wpdb-&gt;prepare(\n        \"SELECT \n            ID, \n            post_title, \n            post_content, \n            post_excerpt, \n            '{$site-&gt;blog_id}' as blog_id, \n            %s as site_name, \n            GUID as permalink \n         FROM {$post_table} \n         WHERE post_status = 'publish' \n         AND post_type = 'post' \n         AND (post_title LIKE %s OR post_content LIKE %s)\",\n        $site-&gt;domain . $site-&gt;path, \/\/ \u5c06\u4f5c\u4e3asite_name\n        '%' . $clean_search_term . '%',\n        '%' . $clean_search_term . '%'\n    );\n    $union_sql_parts[] = $part;\n}\n\n\/\/ 4. \u7528 UNION ALL \u8fde\u63a5\u6240\u6709SQL\u7247\u6bb5\n$full_sql = implode(\" UNION ALL \", $union_sql_parts) . \" ORDER BY post_title DESC\"; \/\/ \u4f60\u53ef\u4ee5\u6309\u9700\u6392\u5e8f\n\n\/\/ 5. \u6267\u884c\u67e5\u8be2\n$network_results = $wpdb-&gt;get_results($full_sql);\n\n\/\/ 6. \u5904\u7406\u7ed3\u679c\u663e\u793a\nif ($network_results) {\n    echo '&lt;h2&gt;\u5168\u7f51\u641c\u7d22\u7ed3\u679c\uff1a&lt;\/h2&gt;';\n    foreach ($network_results as $post_result) {\n        \/\/ \u4f60\u9700\u8981\u624b\u52a8\u6784\u5efa\u6b63\u786e\u7684\u6c38\u4e45\u94fe\u63a5\uff0cGUID\u76f4\u63a5\u7528\u4f5c\u94fe\u63a5\u53ef\u80fd\u4e0d\u603b\u662f\u53ef\u9760\n        \/\/ switch_to_blog($post_result-&gt;blog_id);\n        \/\/ $correct_permalink = get_permalink($post_result-&gt;ID);\n        \/\/ restore_current_blog();\n        \/\/ \u66f4\u53ef\u9760\u7684\u65b9\u6cd5\u662f\u5148\u5207\u6362\u7ad9\u70b9\uff0c\u518d\u7528get_permalink\u83b7\u53d6\u94fe\u63a5\n\n        echo '&lt;article&gt;';\n        echo '&lt;h3&gt;&lt;a href=\"' . esc_url($post_result-&gt;permalink) . '\"&gt;' . esc_html($post_result-&gt;post_title) . '&lt;\/a&gt; (\u6765\u81ea: ' . esc_html($post_result-&gt;site_name) . ')&lt;\/h3&gt;';\n        \/\/ \u53ef\u4ee5\u4f7f\u7528post_excerpt\u6216\u751f\u6210\u6458\u8981\n        echo '&lt;p&gt;' . wp_trim_words($post_result-&gt;post_content, 55) . '&lt;\/p&gt;';\n        echo '&lt;\/article&gt;';\n    }\n} else {\n    echo '&lt;p&gt;\u62b1\u6b49\uff0c\u6ca1\u6709\u627e\u5230\u4efb\u4f55\u7ed3\u679c\u3002&lt;\/p&gt;';\n}\n?&gt;<\/code><\/pre><p><strong>\u4f18\u70b9<\/strong>\uff1a<\/p><ul class=\"wp-block-list\">\n<li><strong>\u9ad8\u6027\u80fd<\/strong>\uff0c\u901a\u5e38\u4e00\u6b21SQL\u67e5\u8be2\u5c31\u80fd\u641e\u5b9a\u6240\u6709\u5185\u5bb9\u3002<\/li>\n<\/ul><p><strong>\u7f3a\u70b9<\/strong>\uff1a<\/p><ul class=\"wp-block-list\">\n<li><strong>\u4ee3\u7801\u590d\u6742<\/strong>\uff0c\u9700\u8981\u76f4\u63a5\u64cd\u4f5cSQL\uff0c\u5bb9\u6613\u51fa\u9519\u4e14\u6709\u5b89\u5168\u98ce\u9669\uff08\u5fc5\u987b\u6ce8\u610f\u4f7f\u7528<code>$wpdb-&gt;prepare<\/code>\u9632\u6b62SQL\u6ce8\u5165\uff09\u3002<\/li>\n\n\n\n<li>\u53ef\u80fd\u65e0\u6cd5\u5145\u5206\u5229\u7528WordPress\u7684\u94a9\u5b50\u548c\u8fc7\u6ee4\u5668\u3002<\/li>\n\n\n\n<li>\u624b\u52a8\u6784\u5efa\u6c38\u4e45\u94fe\u63a5\u53ef\u80fd\u4e0d\u53ef\u9760\uff0c\u7406\u60f3\u505a\u6cd5\u662f\u5728\u5faa\u73af\u5185\u7ed3\u5408\u4f7f\u7528 <code>switch_to_blog($result-&gt;blog_id)<\/code> \u548c <code>get_permalink($result-&gt;ID)<\/code>\u3002<\/li>\n<\/ul><h2 class=\"wp-block-heading\">\u26a0\ufe0f \u6027\u80fd\u4e0e\u90e8\u7f72\u5efa\u8bae<\/h2><ol class=\"wp-block-list\">\n<li><strong>\u7f13\u5b58\u662f\u5173\u952e<\/strong>\uff1a\u65e0\u8bba\u9009\u62e9\u54ea\u79cd\u65b9\u6848\uff0c\u5c24\u5176\u662f\u5bf9\u4e8e\u65b9\u6848\u4e8c\uff0c<strong>\u4e00\u5b9a\u8981\u5bf9\u6700\u7ec8\u7684\u641c\u7d22\u7ed3\u679c\u8fdb\u884c\u7f13\u5b58<\/strong>\uff08\u53ef\u4ee5\u4f7f\u7528WordPress Transients API\u3001\u5bf9\u8c61\u7f13\u5b58\u5982Memcached\/Redis\uff0c\u6216\u8005\u5b8c\u6574\u7684\u9875\u9762\u7f13\u5b58\u63d2\u4ef6\uff09\u3002\u8fd9\u80fd\u6781\u5927\u5730\u51cf\u8f7b\u670d\u52a1\u5668\u538b\u529b\u3002<\/li>\n\n\n\n<li><strong>\u9650\u5236\u7ad9\u70b9\u8303\u56f4<\/strong>\uff1a\u4f60\u53ef\u80fd\u4e0d\u9700\u8981\u641c\u7d22\u7f51\u7edc\u4e2d\u7684\u6bcf\u4e00\u4e2a\u7ad9\u70b9\u3002\u53ef\u4ee5\u5728\u4ee3\u7801\u4e2d\u6392\u9664\u67d0\u4e9b\u7ad9\u70b9\uff08\u5982\u7ba1\u7406\u540e\u53f0\u7ad9\u70b9\uff09\uff0c\u6216\u8005\u8ba9\u7528\u6237\u5728\u524d\u7aef\u9009\u62e9\u8981\u641c\u7d22\u7684\u7ad9\u70b9\u8303\u56f4\u3002<\/li>\n\n\n\n<li><strong>\u8003\u8651\u4f7f\u7528\u4e13\u95e8\u7684\u641c\u7d22\u5f15\u64ce<\/strong>\uff1a\u5bf9\u4e8e\u8d85\u5927\u89c4\u6a21\u7684\u591a\u7ad9\u70b9\u7f51\u7edc\uff08\u51e0\u5341\u4e2a\u4ee5\u4e0a\u7ad9\u70b9\u6216\u6570\u5341\u4e07\u7bc7\u6587\u7ae0\uff09\uff0c\u4e0a\u8ff0\u65b9\u6cd5\u53ef\u80fd\u90fd\u4f1a\u9047\u5230\u6027\u80fd\u74f6\u9888\u3002\u53ef\u4ee5\u8003\u8651\u96c6\u6210<strong>ElasticSearch<\/strong> \u6216 <strong>Apache Solr<\/strong> \u7b49\u4e13\u4e1a\u641c\u7d22\u5f15\u64ce\uff0c\u5b83\u4eec\u5929\u751f\u652f\u6301\u5206\u5e03\u5f0f\u7d22\u5f15\u548c\u5e76\u884c\u641c\u7d22\uff0c\u80fd\u63d0\u4f9b\u6781\u5feb\u7684\u641c\u7d22\u901f\u5ea6\u548c\u5f3a\u5927\u7684\u76f8\u5173\u6027\u6392\u5e8f\u3002\u6709\u76f8\u5173\u7684WordPress\u63d2\u4ef6\uff08\u5982 <strong>WP Elasticsearch<\/strong> \u6216 <strong>FacetWP<\/strong>\uff09\u53ef\u4ee5\u5e2e\u52a9\u5b9e\u73b0\u3002<\/li>\n<\/ol><h2 class=\"wp-block-heading\">\u2705 \u603b\u7ed3\u4e0e\u9009\u62e9<\/h2><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u7279\u6027\/\u65b9\u6848<\/th><th>\u4f7f\u7528\u63d2\u4ef6<\/th><th><code>switch_to_blog()<\/code> \u5faa\u73af<\/th><th>\u81ea\u5b9a\u4e49SQL\u67e5\u8be2<\/th><\/tr><\/thead><tbody><tr><td><strong>\u5b9e\u73b0\u96be\u5ea6<\/strong><\/td><td>\u4f4e<\/td><td>\u4e2d<\/td><td>\u9ad8<\/td><\/tr><tr><td><strong>\u81ea\u5b9a\u4e49\u7075\u6d3b\u6027<\/strong><\/td><td>\u4f4e<\/td><td>\u9ad8<\/td><td>\u975e\u5e38\u9ad8<\/td><\/tr><tr><td><strong>\u6027\u80fd<\/strong><\/td><td>\u4e00\u822c\uff08\u53d6\u51b3\u4e8e\u63d2\u4ef6\uff09<\/td><td>\u8f83\u4f4e\uff08\u67e5\u8be2\u6b21\u6570\u591a\uff09<\/td><td><strong>\u9ad8<\/strong>\uff08\u5355\u4e00\u67e5\u8be2\uff09<\/td><\/tr><tr><td><strong>\u63a8\u8350\u573a\u666f<\/strong><\/td><td>\u5feb\u901f\u4e0a\u7ebf\uff0c\u65e0\u9700\u7f16\u7801<\/td><td>\u7ad9\u70b9\u6570\u91cf\u4e0d\u591a\uff0c\u9700\u8981\u6807\u51c6WP\u73af\u5883<\/td><td>\u7ad9\u70b9\u6570\u91cf\u591a\uff0c\u5bf9\u6027\u80fd\u548c\u5b9a\u5236\u6027\u8981\u6c42\u9ad8<\/td><\/tr><\/tbody><\/table><\/figure><p><strong>\u7ed9\u4f60\u7684\u5efa\u8bae<\/strong>\uff1a<\/p><ul class=\"wp-block-list\">\n<li>\u5982\u679c\u8ffd\u6c42<strong>\u5feb\u901f\u7b80\u5355<\/strong>\uff0c\u4f18\u5148\u5c1d\u8bd5 <strong>MultiSite Global Search<\/strong> \u7b49\u63d2\u4ef6\u3002<\/li>\n\n\n\n<li>\u5982\u679c\u7ad9\u70b9\u6570\u91cf<strong>\u4e0d\u591a<\/strong>\uff0c\u4e14\u5e0c\u671b<strong>\u7a33\u5b9a\u517c\u5bb9<\/strong>\uff0c\u63a8\u8350\u4f7f\u7528 <strong><code>switch_to_blog()<\/code> \u5faa\u73af\u65b9\u6848<\/strong>\u3002<\/li>\n\n\n\n<li>\u5982\u679c<strong>\u7ad9\u70b9\u6570\u91cf\u8f83\u591a<\/strong>\uff0c\u6216\u8005\u4f60\u662f<strong>\u5f00\u53d1\u8005<\/strong>\u4e14\u5bf9\u6027\u80fd\u6709\u6781\u81f4\u8981\u6c42\uff0c\u53ef\u4ee5\u9009\u62e9<strong>\u81ea\u5b9a\u4e49SQL\u65b9\u6848<\/strong>\uff0c\u4f46\u52a1\u5fc5\u505a\u597d\u5b89\u5168\u5904\u7406\u548c\u7f13\u5b58\u3002<\/li>\n<\/ul><h2 class=\"wp-block-heading\">\u5927\u89c4\u6a21\u591a\u7ad9\u70b9\u641c\u7d22\u7684\u6027\u80fd\u4f18\u5316\u65b9\u6848<\/h2><p>\u5f53\u7ad9\u70b9\u6570\u91cf\u5e9e\u5927\u4e14\u6bcf\u4e2a\u7ad9\u70b9\u7684\u6587\u7ae0\u6570\u91cf\u5de8\u5927\u65f6\uff0c\u76f4\u63a5\u4f7f\u7528UNION ALL\u67e5\u8be2\u786e\u5b9e\u4f1a\u5bfc\u81f4\u4e25\u91cd\u7684\u5185\u5b58\u548c\u6027\u80fd\u95ee\u9898\u3002<\/p><h3 class=\"wp-block-heading\">\u26a1 \u6838\u5fc3\u4f18\u5316\u7b56\u7565<\/h3><p>\u4ee5\u4e0b\u662f\u9488\u5bf9\u8fd9\u79cd\u60c5\u51b5\u7684\u4f18\u5316\u65b9\u6848\uff0c\u91cd\u70b9\u63a7\u5236\u7ed3\u679c\u6570\u91cf\u5e76\u51cf\u5c11\u5185\u5b58\u5360\u7528\uff1a<\/p><pre class=\"wp-block-code\"><code>&lt;?php\nglobal $wpdb;\n\n\/\/ \u83b7\u53d6\u641c\u7d22\u8bcd\n$search_term = get_search_query();\n$clean_search_term = $wpdb-&gt;esc_like($search_term);\n$page = max(1, get_query_var('paged')); \/\/ \u5206\u9875\u652f\u6301\n$per_page = 20; \/\/ \u6bcf\u9875\u663e\u793a\u6570\u91cf\n\n\/\/ \u83b7\u53d6\u6240\u6709\u516c\u5f00\u7684\u7ad9\u70b9\n$sites = $wpdb-&gt;get_results(\"SELECT blog_id, domain, path FROM {$wpdb-&gt;blogs} WHERE public = 1 AND archived = '0' AND deleted = '0'\");\n\n\/\/ \u5b58\u50a8\u6bcf\u4e2a\u7ad9\u70b9\u7684\u6700\u4f73\u5339\u914d\u7ed3\u679c\n$all_results = [];\n\nforeach ($sites as $site) {\n    $post_table = $wpdb-&gt;get_blog_prefix($site-&gt;blog_id) . 'posts';\n\n    \/\/ \u67e5\u8be2\u6bcf\u4e2a\u7ad9\u70b9\uff0c\u4f46\u53ea\u83b7\u53d6\u6700\u76f8\u5173\u7684\u5c11\u91cf\u7ed3\u679c\n    $site_results = $wpdb-&gt;get_results(\n        $wpdb-&gt;prepare(\n            \"SELECT \n                ID, \n                post_title, \n                post_content,\n                post_excerpt,\n                post_date,\n                %s as site_name,\n                %d as blog_id,\n            CASE \n                WHEN post_title LIKE %s THEN 3  -- \u6807\u9898\u5339\u914d\u6743\u91cd\u6700\u9ad8\n                WHEN post_title LIKE %s THEN 2\n                WHEN post_content LIKE %s THEN 1 -- \u5185\u5bb9\u5339\u914d\u6743\u91cd\u8f83\u4f4e\n                ELSE 0\n            END as relevance\n            FROM {$post_table} \n            WHERE post_status = 'publish' \n            AND post_type = 'post' \n            AND (post_title LIKE %s OR post_content LIKE %s)\n            ORDER BY relevance DESC, post_date DESC \n            LIMIT 5\", \/\/ \u6bcf\u4e2a\u7ad9\u70b9\u6700\u591a\u53d65\u6761\u6700\u76f8\u5173\u7684\u7ed3\u679c\n            $site-&gt;domain . $site-&gt;path,\n            $site-&gt;blog_id,\n            '%' . $clean_search_term . '%',     \/\/ \u5b8c\u5168\u5339\u914d\n            $clean_search_term . '%',           \/\/ \u5f00\u5934\u5339\u914d\n            '%' . $clean_search_term . '%',     \/\/ \u5185\u5bb9\u5339\u914d\n            '%' . $clean_search_term . '%',     \/\/ WHERE\u6761\u4ef6\n            '%' . $clean_search_term . '%'      \/\/ WHERE\u6761\u4ef6\n        )\n    );\n\n    if ($site_results) {\n        foreach ($site_results as $result) {\n            $all_results[] = $result;\n        }\n    }\n}\n\n\/\/ \u6309\u76f8\u5173\u6027\u6392\u5e8f\u6240\u6709\u7ed3\u679c\nusort($all_results, function($a, $b) {\n    if ($a-&gt;relevance == $b-&gt;relevance) {\n        return strtotime($b-&gt;post_date) - strtotime($a-&gt;post_date);\n    }\n    return $b-&gt;relevance - $a-&gt;relevance;\n});\n\n\/\/ \u5206\u9875\u5904\u7406\n$total_results = count($all_results);\n$total_pages = ceil($total_results \/ $per_page);\n$current_page_results = array_slice($all_results, ($page - 1) * $per_page, $per_page);\n\n\/\/ \u663e\u793a\u7ed3\u679c\nif (!empty($current_page_results)) {\n    echo '&lt;h2&gt;\u5168\u7f51\u641c\u7d22\u7ed3\u679c (' . $total_results . ' \u6761\u7ed3\u679c)&lt;\/h2&gt;';\n\n    foreach ($current_page_results as $result) {\n        \/\/ \u5207\u6362\u5230\u5bf9\u5e94\u7ad9\u70b9\u83b7\u53d6\u6b63\u786e\u7684\u6587\u7ae0\u94fe\u63a5\n        switch_to_blog($result-&gt;blog_id);\n        $permalink = get_permalink($result-&gt;ID);\n        restore_current_blog();\n\n        echo '&lt;article&gt;';\n        echo '&lt;h3&gt;&lt;a href=\"' . esc_url($permalink) . '\"&gt;' . esc_html($result-&gt;post_title) . '&lt;\/a&gt;&lt;\/h3&gt;';\n        echo '&lt;p&gt;&lt;small&gt;\u6765\u81ea: ' . esc_html($result-&gt;site_name) . ' - ' . date('Y-m-d', strtotime($result-&gt;post_date)) . '&lt;\/small&gt;&lt;\/p&gt;';\n\n        \/\/ \u751f\u6210\u5305\u542b\u641c\u7d22\u8bcd\u7684\u6458\u8981\n        $excerpt = wp_trim_words($result-&gt;post_excerpt ? $result-&gt;post_excerpt : $result-&gt;post_content, 30);\n        echo '&lt;p&gt;' . $excerpt . '&lt;\/p&gt;';\n        echo '&lt;\/article&gt;';\n    }\n\n    \/\/ \u5206\u9875\u5bfc\u822a\n    echo '&lt;div class=\"search-pagination\"&gt;';\n    for ($i = 1; $i &lt;= $total_pages; $i++) {\n        if ($i == $page) {\n            echo '&lt;span class=\"current\"&gt;' . $i . '&lt;\/span&gt; ';\n        } else {\n            echo '&lt;a href=\"' . add_query_arg('paged', $i) . '\"&gt;' . $i . '&lt;\/a&gt; ';\n        }\n    }\n    echo '&lt;\/div&gt;';\n\n} else {\n    echo '&lt;p&gt;\u62b1\u6b49\uff0c\u6ca1\u6709\u627e\u5230\u4efb\u4f55\u7ed3\u679c\u3002&lt;\/p&gt;';\n}\n?&gt;<\/code><\/pre><h3 class=\"wp-block-heading\">\ud83d\ude80 \u9ad8\u7ea7\u4f18\u5316\u65b9\u6848\uff1a\u4f7f\u7528\u5916\u90e8\u641c\u7d22\u5f15\u64ce<\/h3><p>\u5bf9\u4e8e\u8d85\u5927\u89c4\u6a21\u7684\u591a\u7ad9\u70b9\u73af\u5883\uff08\u6570\u767e\u4e2a\u7ad9\u70b9\uff0c\u6570\u767e\u4e07\u7bc7\u6587\u7ae0\uff09\uff0c\u6211\u5f3a\u70c8\u5efa\u8bae\u4f7f\u7528\u4e13\u4e1a\u641c\u7d22\u5f15\u64ce\uff1a<\/p><h4 class=\"wp-block-heading\">1. \u4f7f\u7528 Elasticsearch<\/h4><pre class=\"wp-block-code\"><code>\/\/ \u7b80\u5316\u7684 Elasticsearch \u96c6\u6210\u793a\u4f8b\nfunction multisite_elasticsearch($search_term, $page = 1, $per_page = 20) {\n    $ch = curl_init();\n\n    $query = [\n        'query' =&gt; [\n            'multi_match' =&gt; [\n                'query' =&gt; $search_term,\n                'fields' =&gt; ['title^3', 'content', 'excerpt'] \/\/ \u6807\u9898\u6743\u91cd\u66f4\u9ad8\n            ]\n        ],\n        'from' =&gt; ($page - 1) * $per_page,\n        'size' =&gt; $per_page,\n        'sort' =&gt; [\n            ['_score' =&gt; ['order' =&gt; 'desc']], \/\/ \u6309\u76f8\u5173\u6027\u6392\u5e8f\n            ['post_date' =&gt; ['order' =&gt; 'desc']] \/\/ \u5176\u6b21\u6309\u65e5\u671f\n        ]\n    ];\n\n    curl_setopt($ch, CURLOPT_URL, \"http:\/\/localhost:9200\/multisite-index\/_search\");\n    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);\n    curl_setopt($ch, CURLOPT_POST, 1);\n    curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($query));\n    curl_setopt($ch, CURLOPT_HTTPHEADER, ['Content-Type: application\/json']);\n\n    $result = curl_exec($ch);\n    curl_close($ch);\n\n    return json_decode($result, true);\n}<\/code><\/pre><h4 class=\"wp-block-heading\">2. \u6570\u636e\u5e93\u5c42\u9762\u7684\u6df1\u5ea6\u4f18\u5316<\/h4><p>\u5982\u679c\u575a\u6301\u4f7f\u7528MySQL\uff0c\u53ef\u4ee5\u8003\u8651\u4ee5\u4e0b\u7b56\u7565\uff1a<\/p><pre class=\"wp-block-code\"><code>-- \u521b\u5efa\u4f18\u5316\u540e\u7684\u4e34\u65f6\u8868\u6765\u5b58\u50a8\u4e2d\u95f4\u7ed3\u679c\nCREATE TEMPORARY TABLE temp_network_search (\n    id INT AUTO_INCREMENT PRIMARY KEY,\n    post_id BIGINT(20),\n    blog_id BIGINT(20),\n    post_title TEXT,\n    post_content LONGTEXT,\n    post_date DATETIME,\n    relevance INT,\n    site_name VARCHAR(200)\n) ENGINE=MEMORY;\n\n-- \u5bf9\u6bcf\u4e2a\u7ad9\u70b9\u4f7f\u7528\u5b58\u50a8\u8fc7\u7a0b\u8fdb\u884c\u641c\u7d22\nDELIMITER $$\nCREATE PROCEDURE search_all_sites(IN search_term VARCHAR(255))\nBEGIN\n    DECLARE done INT DEFAULT FALSE;\n    DECLARE site_id INT;\n    DECLARE cur CURSOR FOR SELECT blog_id FROM wp_blogs WHERE deleted = 0 AND archived = 0;\n    DECLARE CONTINUE HANDLER FOR NOT FOUND SET done = TRUE;\n\n    OPEN cur;\n\n    read_loop: LOOP\n        FETCH cur INTO site_id;\n        IF done THEN\n            LEAVE read_loop;\n        END IF;\n\n        -- \u5bf9\u6bcf\u4e2a\u7ad9\u70b9\u6267\u884c\u641c\u7d22\u5e76\u63d2\u5165\u4e34\u65f6\u8868\n        SET @table_name = CONCAT('wp_', site_id, '_posts');\n        SET @sql = CONCAT(\n            'INSERT INTO temp_network_search (post_id, blog_id, post_title, post_content, post_date, relevance, site_name) ',\n            'SELECT ID, ', site_id, ', post_title, post_content, post_date, ',\n            'CASE ',\n            '  WHEN post_title LIKE CONCAT(''%', search_term, '%'') THEN 3 ',\n            '  WHEN post_content LIKE CONCAT(''%', search_term, '%'') THEN 1 ',\n            'END as relevance, ',\n            '(SELECT CONCAT(domain, path) FROM wp_blogs WHERE blog_id = ', site_id, ') as site_name ',\n            'FROM ', @table_name, ' ',\n            'WHERE post_status = ''publish'' AND post_type = ''post'' ',\n            'AND (post_title LIKE CONCAT(''%', search_term, '%'') OR post_content LIKE CONCAT(''%', search_term, '%'')) ',\n            'ORDER BY relevance DESC, post_date DESC LIMIT 5'\n        );\n\n        PREPARE stmt FROM @sql;\n        EXECUTE stmt;\n        DEALLOCATE PREPARE stmt;\n    END LOOP;\n\n    CLOSE cur;\n\n    -- \u8fd4\u56de\u6700\u7ec8\u7ed3\u679c\n    SELECT * FROM temp_network_search ORDER BY relevance DESC, post_date DESC LIMIT 1000;\n\n    -- \u6e05\u7406\n    DROP TEMPORARY TABLE temp_network_search;\nEND$$\nDELIMITER ;<\/code><\/pre><h3 class=\"wp-block-heading\">\ud83d\udcca \u6027\u80fd\u4f18\u5316\u5bf9\u6bd4\u8868<\/h3><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u65b9\u6848<\/th><th>\u67e5\u8be2\u6b21\u6570<\/th><th>\u5185\u5b58\u5360\u7528<\/th><th>\u54cd\u5e94\u65f6\u95f4<\/th><th>\u5b9e\u65bd\u96be\u5ea6<\/th><th>\u63a8\u8350\u573a\u666f<\/th><\/tr><\/thead><tbody><tr><td>\u539f\u59cbUNION ALL<\/td><td>1\u6b21<\/td><td>\u975e\u5e38\u9ad8<\/td><td>\u6162<\/td><td>\u4e2d\u7b49<\/td><td>\u5c0f\u89c4\u6a21\u7f51\u7edc(&lt;10\u7ad9\u70b9)<\/td><\/tr><tr><td>\u5206\u7ad9\u70b9\u67e5\u8be2+PHP\u805a\u5408<\/td><td>N+1\u6b21<\/td><td>\u53ef\u63a7<\/td><td>\u4e2d\u7b49<\/td><td>\u7b80\u5355<\/td><td>\u4e2d\u7b49\u89c4\u6a21\u7f51\u7edc<\/td><\/tr><tr><td>\u5b58\u50a8\u8fc7\u7a0b+\u4e34\u65f6\u8868<\/td><td>1\u6b21<\/td><td>\u4e2d\u7b49<\/td><td>\u8f83\u5feb<\/td><td>\u590d\u6742<\/td><td>\u5927\u89c4\u6a21\u7f51\u7edc<\/td><\/tr><tr><td>Elasticsearch<\/td><td>1\u6b21<\/td><td>\u4f4e<\/td><td>\u975e\u5e38\u5feb<\/td><td>\u4e2d\u7b49<\/td><td>\u8d85\u5927\u89c4\u6a21\u7f51\u7edc<\/td><\/tr><\/tbody><\/table><\/figure><h3 class=\"wp-block-heading\">\ud83d\udca1 \u5b9e\u65bd\u5efa\u8bae<\/h3><ol class=\"wp-block-list\">\n<li><strong>\u7ed3\u679c\u6570\u91cf\u63a7\u5236<\/strong>\uff1a<\/li>\n<\/ol><ul class=\"wp-block-list\">\n<li>\u6bcf\u4e2a\u7ad9\u70b9\u9650\u5236\u8fd4\u56de\u7ed3\u679c\uff08\u59825\u6761\u6700\u76f8\u5173\u7ed3\u679c\uff09<\/li>\n\n\n\n<li>\u5168\u5c40\u9650\u5236\u603b\u7ed3\u679c\u6570\uff08\u59821000\u6761\uff09<\/li>\n\n\n\n<li>\u5b9e\u73b0\u5206\u9875\u529f\u80fd\uff0c\u51cf\u5c11\u5355\u6b21\u4f20\u8f93\u6570\u636e\u91cf<\/li>\n<\/ul><ol class=\"wp-block-list\">\n<li><strong>\u7f13\u5b58\u7b56\u7565<\/strong>\uff1a<\/li>\n<\/ol><pre class=\"wp-block-code\"><code>   \/\/ \u4f7f\u7528WordPress\u77ac\u6001API\u7f13\u5b58\u641c\u7d22\u7ed3\u679c\n   $transient_key = 'multisite_search_' . md5($search_term . '_' . $page);\n   $results = get_transient($transient_key);\n\n   if (false === $results) {\n       \/\/ \u6267\u884c\u641c\u7d22\u64cd\u4f5c\n       $results = perform_network_search($search_term, $page);\n\n       \/\/ \u7f13\u5b5810\u5206\u949f\n       set_transient($transient_key, $results, 10 * MINUTE_IN_SECONDS);\n   }<\/code><\/pre><ol start=\"3\" class=\"wp-block-list\">\n<li><strong>\u5f02\u6b65\u5904\u7406<\/strong>\uff1a<br>\u5bf9\u4e8e\u7279\u522b\u8017\u65f6\u7684\u641c\u7d22\uff0c\u53ef\u4ee5\u8003\u8651\u4f7f\u7528Ajax\u5f02\u6b65\u52a0\u8f7d\u7ed3\u679c\uff0c\u907f\u514d\u963b\u585e\u9875\u9762\u6e32\u67d3\u3002<\/li>\n<\/ol><p>\u5bf9\u4e8e\u4f60\u63cf\u8ff0\u7684\u5927\u89c4\u6a21\u573a\u666f\uff0c\u6211\u5f3a\u70c8\u63a8\u8350\u8003\u8651Elasticsearch\u65b9\u6848\uff0c\u867d\u7136\u521d\u59cb\u8bbe\u7f6e\u6709\u4e00\u5b9a\u590d\u6742\u5ea6\uff0c\u4f46\u5b83\u80fd\u63d0\u4f9b\u6700\u597d\u7684\u6027\u80fd\u548c\u6269\u5c55\u6027\u3002\u5982\u679c\u6682\u65f6\u4e0d\u80fd\u4f7f\u7528\u5916\u90e8\u641c\u7d22\u5f15\u64ce\uff0c\u90a3\u4e48\u5206\u7ad9\u70b9\u67e5\u8be2+PHP\u805a\u5408\u7684\u65b9\u6848\u662f\u6700\u7a33\u59a5\u7684\u9009\u62e9\u3002<\/p>","protected":false},"excerpt":{"rendered":"<p>\u5728WordPress\u591a\u7ad9\u70b9\uff08Multisite\uff09\u7f51\u7edc\u4e2d\uff0c\u6240\u6709\u7ad9\u70b9\u867d\u7136\u5171\u4eab\u4e00\u4e2a\u6570\u636e\u5e93\uff0c\u4f46\u6bcf\u4e2a\u7ad9\u70b9\u90fd\u6709\u81ea\u5df1\u72ec\u7acb\u7684\u4e00\u7ec4\u6570\u636e\u8868\uff08\u4ee5\u4e0d\u540c\u7684\u8868\u524d\u7f00\u533a\u5206\uff09\u3002\u8981\u5b9e\u73b0\u8de8\u591a\u4e2a\u7ad9\u70b9\u7684 _posts \u6570\u636e\u8868\u5e76\u884c\u641c\u7d22\uff0c\u6838\u5fc3\u601d\u8def\u662f\u540c\u65f6\u67e5\u8be2\u591a\u4e2a\u7ad9\u70b9\u7684\u6587\u7ae0\u8868\u3002\u4e0b\u9762\u6211\u5c06\u4e3a\u4f60\u4ecb\u7ecd\u51e0\u79cd\u5b9e\u73b0\u65b9\u6cd5\u3002 \u9996\u5148\uff0c\u4f60\u53ef\u4ee5\u901a\u8fc7\u4e0b\u9762\u7684\u6d41\u7a0b\u56fe\u4e86\u89e3\u4e0d\u540c\u89e3\u51b3\u65b9\u6848\u7684\u8def\u5f84\u9009\u62e9\u3002 \u4e0a..<\/p>\n","protected":false},"author":1,"featured_media":0,"menu_order":0,"template":"","meta":{"_acf_changed":true},"tags":[3190,2107],"wenda2nav":[3264],"tuisongtax":[],"class_list":["post-4738","wenda","type-wenda","status-publish","hentry","tag-yh","tag-cjyy","wenda2nav-wzyh"],"acf":{"qian_art_seotitle":"","qian_art_seotitle_source":{"label":"SEO\u6807\u9898","type":"text","formatted_value":""},"qian_art_seokws":"","qian_art_seokws_source":{"label":"SEO\u5173\u952e\u8bcd","type":"text","formatted_value":""},"qian_art_stzhong":"\u591a\u7ad9\u70b9\u5e76\u884c\u641c\u7d22","qian_art_stzhong_source":{"label":"\u4e2d | \u77ed\u6807\u9898","type":"text","formatted_value":"\u591a\u7ad9\u70b9\u5e76\u884c\u641c\u7d22"}},"_links":{"self":[{"href":"https:\/\/www.zhaozhao123.cn\/wpcms\/wp-json\/wp\/v2\/wenda\/4738","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.zhaozhao123.cn\/wpcms\/wp-json\/wp\/v2\/wenda"}],"about":[{"href":"https:\/\/www.zhaozhao123.cn\/wpcms\/wp-json\/wp\/v2\/types\/wenda"}],"author":[{"embeddable":true,"href":"https:\/\/www.zhaozhao123.cn\/wpcms\/wp-json\/wp\/v2\/users\/1"}],"wp:attachment":[{"href":"https:\/\/www.zhaozhao123.cn\/wpcms\/wp-json\/wp\/v2\/media?parent=4738"}],"wp:term":[{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.zhaozhao123.cn\/wpcms\/wp-json\/wp\/v2\/tags?post=4738"},{"taxonomy":"wenda2nav","embeddable":true,"href":"https:\/\/www.zhaozhao123.cn\/wpcms\/wp-json\/wp\/v2\/wenda2nav?post=4738"},{"taxonomy":"tuisongtax","embeddable":true,"href":"https:\/\/www.zhaozhao123.cn\/wpcms\/wp-json\/wp\/v2\/tuisongtax?post=4738"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}