{"id":56639,"date":"2024-10-10T13:23:16","date_gmt":"2024-10-10T05:23:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/56639\/"},"modified":"2024-10-10T13:23:16","modified_gmt":"2024-10-10T05:23:16","slug":"wordpress-%e6%95%99%e7%a8%8b%ef%bc%9a%e4%bd%bf%e7%94%a8-wp_query-%e6%a7%8b%e5%bb%ba%e9%ab%98%e6%95%88%e7%9a%84-wordpress-%e6%9f%a5%e8%a9%a2","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/56639\/","title":{"rendered":"WordPress \u6559\u7a0b\uff1a\u4f7f\u7528 WP_Query \u69cb\u5efa\u9ad8\u6548\u7684 WordPress \u67e5\u8a62"},"content":{"rendered":"<h1 id=\"wordpress-%e6%95%99%e7%a8%8b%ef%bc%9a%e4%bd%bf%e7%94%a8-wp_query-%e6%a7%8b%e5%bb%ba%e9%ab%98%e6%95%88%e7%9a%84-wordpress-%e6%9f%a5%e8%a9%a2-jenUcIsEgZ\">WordPress \u6559\u7a0b\uff1a\u4f7f\u7528 WP_Query \u69cb\u5efa\u9ad8\u6548\u7684 WordPress \u67e5\u8a62<\/h1>\n<p>\u5728 WordPress \u4e2d\uff0c\u67e5\u8a62\u6578\u64da\u662f\u7db2\u7ad9\u958b\u767c\u7684\u91cd\u8981\u7d44\u6210\u90e8\u5206\u3002\u7121\u8ad6\u662f\u986f\u793a\u6587\u7ae0\u3001\u9801\u9762\u9084\u662f\u81ea\u5b9a\u7fa9\u6587\u7ae0\u985e\u578b\uff0c\u4f7f\u7528 WP_Query \u90fd\u80fd\u8b93\u958b\u767c\u8005\u9748\u6d3b\u5730\u63a7\u5236\u67e5\u8a62\u7684\u7d50\u679c\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u5982\u4f55\u4f7f\u7528 WP_Query \u4f86\u69cb\u5efa\u9ad8\u6548\u7684 WordPress \u67e5\u8a62\uff0c\u4e26\u63d0\u4f9b\u5be6\u7528\u7684\u7bc4\u4f8b\u548c\u6280\u5de7\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af-wp_query%ef%bc%9f-jenUcIsEgZ\">\u4ec0\u9ebc\u662f WP_Query\uff1f<\/h2>\n<p>WP_Query \u662f WordPress \u63d0\u4f9b\u7684\u4e00\u500b\u5f37\u5927\u985e\u5225\uff0c\u7528\u65bc\u67e5\u8a62\u6578\u64da\u5eab\u4e2d\u7684\u6587\u7ae0\u548c\u5176\u4ed6\u5167\u5bb9\u3002\u5b83\u5141\u8a31\u958b\u767c\u8005\u6839\u64da\u591a\u7a2e\u53c3\u6578\u4f86\u5b9a\u5236\u67e5\u8a62\uff0c\u5f9e\u800c\u7372\u53d6\u6240\u9700\u7684\u6578\u64da\u3002WP_Query \u7684\u9748\u6d3b\u6027\u4f7f\u5176\u6210\u70ba\u958b\u767c\u8005\u5728\u5275\u5efa\u81ea\u5b9a\u7fa9\u67e5\u8a62\u6642\u7684\u9996\u9078\u5de5\u5177\u3002<\/p>\n<h2 id=\"%e5%9f%ba%e6%9c%ac%e7%94%a8%e6%b3%95-jenUcIsEgZ\">\u57fa\u672c\u7528\u6cd5<\/h2>\n<p>\u8981\u4f7f\u7528 WP_Query\uff0c\u9996\u5148\u9700\u8981\u5275\u5efa\u4e00\u500b WP_Query \u7684\u5be6\u4f8b\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u57fa\u672c\u7684\u7bc4\u4f8b\uff1a<\/p>\n<pre><code>\n$args = array(\n    'post_type' =&gt; 'post',\n    'posts_per_page' =&gt; 10,\n);\n$query = new WP_Query( $args );\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u7bc4\u4f8b\u4e2d\uff0c\u6211\u5011\u5275\u5efa\u4e86\u4e00\u500b\u67e5\u8a62\uff0c\u76ee\u7684\u662f\u7372\u53d6\u6700\u65b0\u7684 10 \u7bc7\u6587\u7ae0\u3002\u63a5\u4e0b\u4f86\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528\u8ff4\u5708\u4f86\u986f\u793a\u67e5\u8a62\u7d50\u679c\uff1a<\/p>\n<pre><code>\nif ( $query-&gt;have_posts() ) {\n    while ( $query-&gt;have_posts() ) {\n        $query-&gt;the_post();\n        the_title();\n        the_excerpt();\n    }\n} else {\n    echo '\u6c92\u6709\u627e\u5230\u6587\u7ae0';\n}\nwp_reset_postdata();\n<\/code><\/pre>\n<h2 id=\"%e5%b8%b8%e7%94%a8%e5%8f%83%e6%95%b8-jenUcIsEgZ\">\u5e38\u7528\u53c3\u6578<\/h2>\n<p>WP_Query \u63d0\u4f9b\u4e86\u591a\u7a2e\u53c3\u6578\u4f86\u5b9a\u5236\u67e5\u8a62\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u53c3\u6578\uff1a<\/p>\n<ul>\n<li><strong>post_type<\/strong>\uff1a\u6307\u5b9a\u8981\u67e5\u8a62\u7684\u6587\u7ae0\u985e\u578b\uff0c\u4f8b\u5982 &#8216;post&#8217;\u3001&#8217;page&#8217; \u6216\u81ea\u5b9a\u7fa9\u6587\u7ae0\u985e\u578b\u3002<\/li>\n<li><strong>posts_per_page<\/strong>\uff1a\u8a2d\u7f6e\u6bcf\u9801\u986f\u793a\u7684\u6587\u7ae0\u6578\u91cf\u3002<\/li>\n<li><strong>orderby<\/strong>\uff1a\u6307\u5b9a\u6392\u5e8f\u65b9\u5f0f\uff0c\u4f8b\u5982 &#8216;date&#8217;\u3001&#8217;title&#8217; \u6216 &#8216;rand&#8217;\u3002<\/li>\n<li><strong>order<\/strong>\uff1a\u6307\u5b9a\u6392\u5e8f\u7684\u65b9\u5411\uff0c\u53ef\u4ee5\u662f &#8216;ASC&#8217;\uff08\u5347\u5e8f\uff09\u6216 &#8216;DESC&#8217;\uff08\u964d\u5e8f\uff09\u3002<\/li>\n<li><strong>tax_query<\/strong>\uff1a\u7528\u65bc\u67e5\u8a62\u7279\u5b9a\u5206\u985e\u6216\u6a19\u7c64\u7684\u6587\u7ae0\u3002<\/li>\n<\/ul>\n<h3 id=\"%e7%af%84%e4%be%8b%ef%bc%9a%e4%bd%bf%e7%94%a8-tax_query-%e6%9f%a5%e8%a9%a2%e7%89%b9%e5%ae%9a%e5%88%86%e9%a1%9e%e7%9a%84%e6%96%87%e7%ab%a0-jenUcIsEgZ\">\u7bc4\u4f8b\uff1a\u4f7f\u7528 tax_query \u67e5\u8a62\u7279\u5b9a\u5206\u985e\u7684\u6587\u7ae0<\/h3>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528 tax_query \u7684\u7bc4\u4f8b\uff0c\u67e5\u8a62\u7279\u5b9a\u5206\u985e\u4e0b\u7684\u6587\u7ae0\uff1a<\/p>\n<pre><code>\n$args = array(\n    'post_type' =&gt; 'post',\n    'posts_per_page' =&gt; 5,\n    'tax_query' =&gt; array(\n        array(\n            'taxonomy' =&gt; 'category',\n            'field' =&gt; 'slug',\n            'terms' =&gt; 'news',\n        ),\n    ),\n);\n$query = new WP_Query( $args );\n<\/code><\/pre>\n<p>\u9019\u6bb5\u4ee3\u78bc\u5c07\u67e5\u8a62\u6240\u6709\u5c6c\u65bc &#8216;news&#8217; \u5206\u985e\u7684\u6587\u7ae0\uff0c\u4e26\u986f\u793a\u6700\u65b0\u7684 5 \u7bc7\u3002<\/p>\n<h2 id=\"%e6%80%a7%e8%83%bd%e5%84%aa%e5%8c%96-jenUcIsEgZ\">\u6027\u80fd\u512a\u5316<\/h2>\n<p>\u4f7f\u7528 WP_Query \u6642\uff0c\u6027\u80fd\u662f\u9700\u8981\u8003\u616e\u7684\u91cd\u8981\u56e0\u7d20\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u512a\u5316\u67e5\u8a62\u6027\u80fd\u7684\u5efa\u8b70\uff1a<\/p>\n<ul>\n<li>\u76e1\u91cf\u6e1b\u5c11\u67e5\u8a62\u7684\u6578\u91cf\uff0c\u4f7f\u7528\u5408\u4f75\u67e5\u8a62\u4f86\u7372\u53d6\u6240\u9700\u7684\u6578\u64da\u3002<\/li>\n<li>\u4f7f\u7528 &#8216;posts_per_page&#8217; \u9650\u5236\u6bcf\u6b21\u67e5\u8a62\u7684\u6587\u7ae0\u6578\u91cf\uff0c\u907f\u514d\u4e00\u6b21\u6027\u52a0\u8f09\u904e\u591a\u6578\u64da\u3002<\/li>\n<li>\u5728\u67e5\u8a62\u5f8c\u4f7f\u7528 <code>wp_reset_postdata()<\/code> \u4f86\u91cd\u7f6e\u5168\u5c40\u7684\u6587\u7ae0\u6578\u64da\uff0c\u907f\u514d\u5f71\u97ff\u5f8c\u7e8c\u7684\u67e5\u8a62\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-jenUcIsEgZ\">\u7d50\u8ad6<\/h2>\n<p>WP_Query \u662f WordPress \u4e2d\u4e00\u500b\u5f37\u5927\u7684\u5de5\u5177\uff0c\u80fd\u5920\u5e6b\u52a9\u958b\u767c\u8005\u9748\u6d3b\u5730\u67e5\u8a62\u548c\u986f\u793a\u6578\u64da\u3002\u901a\u904e\u5408\u7406\u4f7f\u7528\u5404\u7a2e\u53c3\u6578\u548c\u512a\u5316\u67e5\u8a62\u6027\u80fd\uff0c\u53ef\u4ee5\u986f\u8457\u63d0\u5347\u7db2\u7ad9\u7684\u6548\u7387\u548c\u7528\u6236\u9ad4\u9a57\u3002\u7121\u8ad6\u662f\u65b0\u624b\u9084\u662f\u7d93\u9a57\u8c50\u5bcc\u7684\u958b\u767c\u8005\uff0c\u638c\u63e1 WP_Query \u7684\u4f7f\u7528\u90fd\u662f\u63d0\u5347 WordPress \u958b\u767c\u6280\u80fd\u7684\u91cd\u8981\u4e00\u6b65\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u904b\u884c\u60a8\u7684 WordPress \u7db2\u7ad9\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u3002\u7121\u8ad6\u662f <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6\u670d\u52d9\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u4f7f\u7528 WP_Query \u5728 WordPress \u4e2d\u69cb\u5efa\u9ad8\u6548\u67e5\u8a62\uff0c\u63d0\u5347\u7db2\u7ad9\u6027\u80fd\u8207\u6578\u64da\u7ba1\u7406\u80fd\u529b\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-56639","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/56639","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=56639"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/56639\/revisions"}],"predecessor-version":[{"id":56640,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/56639\/revisions\/56640"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=56639"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=56639"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=56639"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}