{"id":56475,"date":"2024-10-10T12:04:24","date_gmt":"2024-10-10T04:04:24","guid":{"rendered":"https:\/\/server.hk\/cnblog\/56475\/"},"modified":"2024-10-10T12:04:24","modified_gmt":"2024-10-10T04:04:24","slug":"wordpress-%e6%95%99%e7%a8%8b%ef%bc%9a%e5%a6%82%e4%bd%95%e5%9c%a8-wordpress-%e4%b8%ad%e5%af%a6%e7%8f%be%e6%8c%89%e9%a1%9e%e5%88%a5%e6%90%9c%e7%b4%a2","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/56475\/","title":{"rendered":"WordPress \u6559\u7a0b\uff1a\u5982\u4f55\u5728 WordPress \u4e2d\u5be6\u73fe\u6309\u985e\u5225\u641c\u7d22"},"content":{"rendered":"

WordPress \u6559\u7a0b\uff1a\u5982\u4f55\u5728 WordPress \u4e2d\u5be6\u73fe\u6309\u985e\u5225\u641c\u7d22<\/h1>\n

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\u5982\u4f55\u5728 WordPress \u4e2d\u5be6\u73fe\u6309\u985e\u5225\u641c\u7d22<\/h2>\n

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<form role=\"search\" method=\"get\" id=\"searchform\" action=\"<?php echo home_url( '\/' ); ?>\">\n    <label class=\"screen-reader-text\">Search for:<\/label>\n    <input type=\"text\" value=\"\" name=\"s\" id=\"s\" \/>\n    <select name=\"category_name\">\n        <option value=\"\">\u6240\u6709\u985e\u5225<\/option>\n        <option value=\"category1\">\u985e\u5225 1<\/option>\n        <option value=\"category2\">\u985e\u5225 2<\/option>\n        <option value=\"category3\">\u985e\u5225 3<\/option>\n    <\/select>\n    <input type=\"submit\" id=\"searchsubmit\" value=\"\u641c\u7d22\" \/>\n<\/form><\/code><\/pre>\n
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\u6b65\u9a5f 2\uff1a\u8655\u7406\u641c\u7d22\u8acb\u6c42<\/h3>\n
\u63a5\u4e0b\u4f86\uff0c\u60a8\u9700\u8981\u5728\u4e3b\u984c\u7684 functions.php \u6587\u4ef6\u4e2d\u6dfb\u52a0\u4ee3\u78bc\uff0c\u4ee5\u4fbf\u8655\u7406\u7528\u6236\u7684\u641c\u7d22\u8acb\u6c42\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u78bc\uff1a<\/p>\n
function custom_search_query( $query ) {\n    if ( $query->is_search && !is_admin() ) {\n        if ( !empty( $_GET['category_name'] ) ) {\n            $query->set( 'category_name', sanitize_text_field( $_GET['category_name'] ) );\n        }\n    }\n    return $query;\n}\nadd_filter( 'pre_get_posts', 'custom_search_query' );<\/code><\/pre>\n
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\u6b65\u9a5f 3\uff1a\u6e2c\u8a66\u529f\u80fd<\/h3>\n
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\u7e3d\u7d50<\/h2>\n
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