{"id":1210,"date":"2023-12-13T20:40:41","date_gmt":"2023-12-13T20:40:41","guid":{"rendered":"http:\/\/server.hk\/blog\/1210\/"},"modified":"2024-09-27T06:07:58","modified_gmt":"2024-09-27T06:07:58","slug":"wordpress-glossary-wp_query","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/1210\/","title":{"rendered":"WordPress \u8a5e\u5f59\uff1aWP_Query"},"content":{"rendered":"

WordPress \u8a5e\u5f59\uff1aWP_Query<\/h1>\n

\u7576\u7ba1\u7406\u4f60\u7684\u7db2\u7ad9\u5728 \u9999\u6e2f VPS \u4e3b\u6a5f<\/a> \u4e0a\u6642\uff0c\u4e86\u89e3 WordPress \u7684\u5404\u7a2e\u529f\u80fd\u81f3\u95dc\u91cd\u8981\u3002WP_Query \u662f\u4e00\u500b\u975e\u5e38\u91cd\u8981\u7684\u5de5\u5177\uff0c\u5b83\u53ef\u4ee5\u8b93\u4f60\u5f9e WordPress \u6578\u64da\u5eab\u4e2d\u6aa2\u7d22\u548c\u986f\u793a\u6587\u7ae0\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e WP_Query \u7684\u7d30\u7bc0\uff0c\u5e6b\u52a9\u4f60\u5168\u9762\u7406\u89e3\u5176\u529f\u80fd\u53ca\u7528\u6cd5\u3002<\/p>\n

\u4ec0\u9ebc\u662f WP_Query\uff1f<\/h2>\n

WP_Query \u662f WordPress \u4e2d\u7684\u4e00\u500b\u985e\uff0c\u5141\u8a31\u4f60\u5275\u5efa\u81ea\u5b9a\u7fa9\u67e5\u8a62\u548c\u5faa\u74b0\u3002\u5b83\u4f7f\u4f60\u80fd\u5920\u6839\u64da\u7279\u5b9a\u53c3\u6578\u6aa2\u7d22\u6587\u7ae0\uff0c\u8b93\u4f60\u5c0d\u986f\u793a\u5728\u7db2\u7ad9\u4e0a\u7684\u5167\u5bb9\u6709\u66f4\u9ad8\u7684\u63a7\u5236\u6b0a\u3002<\/p>\n

\u70ba\u4ec0\u9ebc WP_Query \u5f88\u91cd\u8981\uff1f<\/h2>\n

\u5c0d\u65bc\u4f7f\u7528 \u9999\u6e2f VPS \u4e3b\u6a5f<\/a> \u7684\u4efb\u4f55\u7db2\u7ad9\u64c1\u6709\u8005\u4f86\u8aaa\uff0cWP_Query \u662f\u4e00\u500b\u81f3\u95dc\u91cd\u8981\u7684\u5de5\u5177\u3002\u5b83\u8b93\u4f60\u53ef\u4ee5\u81ea\u5b9a\u7fa9\u7db2\u7ad9\u7684\u5167\u5bb9\u986f\u793a\uff0c\u4f7f\u8a2a\u5ba2\u66f4\u5bb9\u6613\u627e\u5230\u4ed6\u5011\u6240\u9700\u7684\u4fe1\u606f\u3002\u9019\u53ef\u4ee5\u5c0e\u81f4\u589e\u52a0\u7528\u6236\u4e92\u52d5\u3001\u6539\u5584 SEO\uff0c\u6700\u7d42\u63d0\u9ad8\u8f49\u63db\u7387\u3002<\/p>\n

\u5982\u4f55\u4f7f\u7528 WP_Query<\/h2>\n

\u4f7f\u7528 WP_Query \u9700\u8981\u5275\u5efa\u8a72\u985e\u7684\u65b0\u5be6\u4f8b\u4e26\u50b3\u905e\u4e00\u7d44\u53c3\u6578\u7d66\u5b83\u3002\u9019\u4e9b\u53c3\u6578\u5b9a\u7fa9\u4e86\u67e5\u8a62\u7684\u689d\u4ef6\uff0c\u4f8b\u5982\u4f60\u60f3\u6aa2\u7d22\u7684\u6587\u7ae0\u985e\u578b\u3001\u5b83\u5011\u6240\u5c6c\u7684\u5206\u985e\u7b49\u7b49\u3002<\/p>\n

\u57fa\u672c WP_Query \u7684\u7bc4\u4f8b<\/h3>\n

\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528 WP_Query \u6aa2\u7d22\u535a\u5ba2\u6700\u65b0\u4e09\u7bc7\u6587\u7ae0\u7684\u7c21\u55ae\u7bc4\u4f8b\uff1a<\/p>\n

\r\n\r\n$args = array(\r\n    'posts_per_page' => 3,\r\n    'order' => 'DESC'\r\n);\r\n\r\n$query = new WP_Query($args);\r\n\r\nif ($query->have_posts()) {\r\n    while ($query->have_posts()) {\r\n        $query->the_post();\r\n        \/\/ \u986f\u793a\u6587\u7ae0\u5167\u5bb9\r\n    }\r\n}\r\n<\/code>\r\n<\/pre>\n
\u9019\u6bb5\u4ee3\u78bc\u5275\u5efa\u4e86\u4e00\u500b\u65b0\u7684 WP_Query \u5c0d\u8c61\uff0c\u5e36\u6709\u5169\u500b\u53c3\u6578\uff1a’posts_per_page’ \u8a2d\u7f6e\u70ba 3\uff0c’order’ \u8a2d\u7f6e\u70ba ‘DESC’\u3002\u9019\u610f\u5473\u8457\u5b83\u5c07\u6aa2\u7d22\u535a\u5ba2\u4e2d\u6700\u8fd1\u7684\u4e09\u7bc7\u6587\u7ae0\u3002<\/p>\n
WP_Query \u7684\u9032\u968e\u7528\u6cd5<\/h2>\n
WP_Query \u975e\u5e38\u9748\u6d3b\uff0c\u5141\u8a31\u9032\u884c\u591a\u7a2e\u67e5\u8a62\u3002\u4f60\u53ef\u4ee5\u6839\u64da\u6587\u7ae0\u7684\u5206\u985e\u3001\u6a19\u7c64\u3001\u4f5c\u8005\u3001\u72c0\u614b\u7b49\u6aa2\u7d22\u6587\u7ae0\u3002\u4f60\u9084\u53ef\u4ee5\u7d50\u5408\u591a\u500b\u53c3\u6578\u4f86\u5275\u5efa\u7b26\u5408\u4f60\u7279\u5b9a\u9700\u6c42\u7684\u8907\u96dc\u67e5\u8a62\u3002<\/p>\n
\u9032\u968e WP_Query \u7684\u7bc4\u4f8b<\/h3>\n
\u4ee5\u4e0b\u662f\u4e00\u500b\u66f4\u8907\u96dc\u7684 WP_Query \u7bc4\u4f8b\uff0c\u5b83\u5f9e\u7279\u5b9a\u5206\u985e\u4e2d\u6aa2\u7d22\u6700\u65b0\u4e09\u7bc7\u6587\u7ae0\uff0c\u4e26\u6392\u9664\u5e36\u6709\u67d0\u500b\u6a19\u7c64\u7684\u6587\u7ae0\uff1a<\/p>\n
\r\n\r\n$args = array(\r\n    'posts_per_page' => 3,\r\n    'category_name' => 'news',\r\n    'tag__not_in' => array(42),\r\n    'order' => 'DESC'\r\n);\r\n\r\n$query = new WP_Query($args);\r\n\r\nif ($query->have_posts()) {\r\n    while ($query->have_posts()) {\r\n        $query->the_post();\r\n        \/\/ \u986f\u793a\u6587\u7ae0\u5167\u5bb9\r\n    }\r\n}\r\n<\/code>\r\n<\/pre>\n
\u7d50\u8ad6<\/h2>\n
\u7406\u89e3 WP_Query \u5c0d\u65bc\u4efb\u4f55\u5728 \u9999\u6e2f VPS \u4e3b\u6a5f<\/a> \u4e0a\u904b\u884c\u7db2\u7ad9\u7684\u4eba\u4f86\u8aaa\u90fd\u662f\u5fc5\u4e0d\u53ef\u5c11\u7684\u3002\u5b83\u4f7f\u4f60\u80fd\u5920\u81ea\u5b9a\u7fa9\u5167\u5bb9\u986f\u793a\uff0c\u63d0\u9ad8\u7db2\u7ad9\u7684\u53ef\u7528\u6027\u548c SEO\u3002\u4e0d\u8ad6\u4f60\u662f\u5728\u5275\u5efa\u4e00\u500b\u7c21\u55ae\u7684\u535a\u5ba2\u9084\u662f\u8907\u96dc\u7684\u96fb\u5b50\u5546\u52d9\u7db2\u7ad9\uff0cWP_Query \u90fd\u662f\u4e00\u500b\u5f37\u5927\u7684\u5de5\u5177\uff0c\u53ef\u4ee5<\/p>\n","protected":false},"excerpt":{"rendered":"
WordPress \u8a5e\u5f59\uff1aWP_...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-1210","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/1210","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=1210"}],"version-history":[{"count":2,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/1210\/revisions"}],"predecessor-version":[{"id":32592,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/1210\/revisions\/32592"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=1210"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=1210"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=1210"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}