{"id":2726,"date":"2025-06-11T06:05:54","date_gmt":"2025-06-10T22:05:54","guid":{"rendered":"https:\/\/www.zhaozhao123.cn\/wpcms\/wpdt\/2726.html"},"modified":"2025-06-11T06:05:54","modified_gmt":"2025-06-10T22:05:54","slug":"%e5%a6%82%e4%bd%95%e5%b0%86wordpress%e5%88%86%e7%b1%bb%e8%bd%ac%e6%8d%a2%e4%b8%ba%e8%87%aa%e5%ae%9a%e4%b9%89%e5%88%86%e7%b1%bb%e6%b3%95","status":"publish","type":"post","link":"https:\/\/www.zhaozhao123.cn\/wpcms\/post\/2726.html","title":{"rendered":"\u5982\u4f55\u5c06WordPress\u5206\u7c7b\u8f6c\u6362\u4e3a\u81ea\u5b9a\u4e49\u5206\u7c7b\u6cd5"},"content":{"rendered":"
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\"Bug编译狮\"<\/figure>\r\n\r\n\r\n\r\n

Bug编译狮<\/p>\r\n<\/div>\r\n<\/div>\r\n<\/div>\r\n\r\n\r\n\r\n

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要将WordPress中的默认分类系统（如按日期、标签或作者分类）转换为自定义的分类法，你需要了解WordPress的分类系统和如何修改它。以下是详细的步骤和一个示例代码来帮助你完成这个过程。<\/p>\n

步骤 1: 获取当前分类数据<\/h3>\n

首先，我们需要获取当前所有分类的数据。这可以通过get_categories()<\/code>函数实现：<\/p>\n

$categories = get_categories();<\/code><\/pre>\n
步骤 2: 创建自定义分类数组<\/h3>\n
我们将创建一个新的数组来存储我们的自定义分类信息。每个条目可以包括分类ID、名称以及任何其他相关属性。<\/p>\n
$customCategories = array();\n\nforeach ($categories as $category) {\n    \/\/ 假设我们想要添加一些额外的信息到每个自定义分类中\n    $customCategories[] = array(\n        'cat_ID' => $category->term_id,\n        'name' => $category->name,\n        'description' => $category->description, \/\/ 可选，添加描述信息\n        'slug' => $category->slug, \/\/ 可选，用于URL映射\n        'parent' => $category->parent, \/\/ 父分类ID\n        'count' => $category->count \/\/ 自定义计数器\n    );\n}<\/code><\/pre>\n
步骤 3: 更新分类数据库<\/h3>\n
接下来，我们需要更新WordPress的分类数据库以反映新的自定义分类结构。这通常通过修改wp_terms<\/code>表来完成，该表包含了所有的分类项及其关系。<\/p>\n
UPDATE wp_term_taxonomy SET taxonomy = 'post_tag'\nWHERE term_id IN (SELECT cat_ID FROM wp_term_taxonomy WHERE taxonomy = 'category');\n\n-- 如果你想保持旧的类别ID不变：\nUPDATE wp_term_relationships SET object_id = category_id\nFROM wp_posts INNER JOIN wp_term_relationships ON wp_posts.ID = wp_term_relationships.object_id\nINNER JOIN wp_term_taxonomy ON wp_term_relationships.term_taxonomy_id = wp_term_taxonomy.term_taxonomy_id\nWHERE wp_posts.post_type = 'your_post_type' AND wp_posts.post_status = 'publish';\n\n-- 如果你想更新类别名称：\nUPDATE wp_terms SET name = new_category_name\nWHERE term_id IN (SELECT term_id FROM wp_term_taxonomy WHERE taxonomy = 'category');<\/code><\/pre>\n
请注意，这些SQL语句假设你已经知道新分类的名称。如果你不知道新分类的名字，你可以先获取所有分类并比较它们，然后选择一个合适的名称。<\/p>\n
示例代码<\/h3>\n
以下是一个完整的PHP脚本示例，展示了如何执行上述步骤：<\/p>\n
<?php\n\/\/ 获取当前分类数据\n$categories = get_categories();\n$customCategories = array();\n\n\/\/ 遍历每个分类并创建自定义分类对象\nforeach ($categories as $category) {\n    $customCategories[] = array(\n        'cat_ID' => $category->term_id,\n        'name' => $category->name,\n        'description' => $category->description,\n        'slug' => $category->slug,\n        'parent' => $category->parent,\n        'count' => $category->count\n    );\n}\n\n\/\/ 更新分类数据库\nupdate_option('custom_categories', $customCategories);\n\necho \"所有分类已成功转换为自定义分类！\";\n?><\/code><\/pre>\n
使用步骤与效果<\/h3>\n
    \n
  1. \n
    获取当前分类数据<\/strong>：运行这段代码后，你会得到一个包含所有自定义分类的对象数组。<\/p>\n<\/li>\n
  2. \n
    创建自定义分类数组<\/strong>：根据需要填充自定义分类数组的内容。<\/p>\n<\/li>\n
  3. \n
    更新分类数据库<\/strong>：使用SQL查询更新wp_term_taxonomy<\/code>表以反映新的分类结构。<\/p>\n<\/li>\n
  4. \n
    保存配置选项<\/strong>：使用update_option<\/code>函数保存自定义分类的配置选项。<\/p>\n<\/li>\n
  5. \n
    查看结果<\/strong>：访问你的WordPress后台，查看分类列表，确保所有分类都按照新的自定义分类结构显示。<\/p>\n<\/li>\n<\/ol>\n
    通过这种方式，你可以轻松地将WordPress的默认分类系统转换为自定义分类法，从而更好地满足你的网站需求。<\/p>\r\n<\/div>\r\n<\/div>\r\n<\/div>\r\n<\/div>
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    \"黑板前的Bug语法讲师\"<\/figure>\r\n\r\n\r\n\r\n
    黑板前的Bug语法讲师<\/p>\r\n<\/div>\r\n<\/div>\r\n<\/div>\r\n\r\n\r\n\r\n
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    WordPress分类转换为自定义分类<\/h3>\n
    背景知识<\/strong>\n在WordPress中，用户可以通过wp_posts<\/code>表来管理文章和评论。然而，在某些情况下，我们可能需要将现有的WordPress分类转换为自定义分类以满足特定的需求。<\/p>\n
    目标<\/strong><\/p>\n
      \n
    • 将现有WordPress分类转换为自定义分类。<\/li>\n
    • 使用新的自定义分类更新相关页面。<\/li>\n<\/ul>\n
      步骤1: 创建新分类<\/strong><\/p>\n
      首先，我们需要创建一个新的自定义分类。为此，我们将使用以下PHP代码：<\/p>\n
      <?php\n\/**\n * Create a new custom category.\n *\/\nfunction create_custom_category() {\n    global $wpdb;\n\n    \/\/ Define the table name and column names for the custom categories.\n    $table_name = $wpdb->prefix . 'custom_categories';\n    $columns = array(\n        $wpdb->prefix . '_cat' => '%s',\n        $wpdb->prefix . '_name' => '%s'\n    );\n\n    \/\/ Insert the new category into the database.\n    $query = \"INSERT INTO $table_name (cat, name) VALUES (%s, %s)\";\n    $categories = [\n        'Category 1', \/\/ Replace with your category name here.\n        'Category 2', \/\/ Replace with your second category name here.\n        \/\/ Add more categories as needed.\n    ];\n    foreach ($categories as $category) {\n        $stmt = $wpdb->prepare($query, $category);\n        $wpdb->insert($table_name, $stmt);\n    }\n}\n\n\/\/ Call the function to create the custom categories.\ncreate_custom_category();<\/code><\/pre>\n
      步骤2: 更新相关页面<\/strong><\/p>\n
      接下来，我们需要更新包含分类信息的相关页面，如单页、搜索结果等。为了确保这些页面能够正确显示自定义分类的内容，我们需要执行以下操作：<\/p>\n
        \n
      1. 在每个页面的顶部添加一个<?php echo get_search_query(); ?><\/code>，以便获取当前查询参数中的分类名称。<\/li>\n
      2. 对于单页，可以使用get_the_category()<\/code>函数来获取特定类别下的文章列表。<\/li>\n<\/ol>\n
        示例代码：<\/p>\n
        <?php\n\/\/ 获取当前查询参数中的分类名称\n$category_query = get_search_query();\n\n\/\/ 检查是否设置了分类名称\nif (!empty($category_query)) {\n    \/\/ 获取指定分类的所有文章\n    $posts = get_posts(array('post_type' => 'post', 'orderby' => 'title', 'order' => 'ASC', 'tax_query' => array(\n        array(\n            'taxonomy' => 'custom_category',\n            'field' => 'slug',\n            'terms' => $category_query,\n        ),\n    )));\n\n    \/\/ 显示文章列表\n    if (have_posts()) {\n        while (have_posts()) {\n            the_post();\n            ?>\n                <h2><?php the_title(); ?><\/h2>\n                <?php the_content(); ?>\n            <?php\n        }\n    } else {\n        \/\/ 如果没有找到任何匹配的分类，则显示错误消息\n        echo '<div class=\"error\">No posts found.<\/div>';\n    }\n}\n?><\/code><\/pre>\n
        总结<\/strong><\/p>\n
        通过上述步骤，您可以在WordPress中将现有的分类转换为自定义分类，从而满足您的需求。这不仅有助于组织内容，还可以提高网站的可访问性和用户体验。<\/p>\r\n<\/div>\r\n<\/div>\r\n<\/div>\r\n<\/div>\n","protected":false},"excerpt":{"rendered":"
        Bug编译狮 要将WordPress中的默认分类系统（如按日期&#1..<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[59],"tuisongtax":[],"class_list":["post-2726","post","type-post","status-publish","format-standard","hentry","category-wpdt","tag-pzjc"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.zhaozhao123.cn\/wpcms\/wp-json\/wp\/v2\/posts\/2726","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.zhaozhao123.cn\/wpcms\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.zhaozhao123.cn\/wpcms\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.zhaozhao123.cn\/wpcms\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.zhaozhao123.cn\/wpcms\/wp-json\/wp\/v2\/comments?post=2726"}],"version-history":[{"count":0,"href":"https:\/\/www.zhaozhao123.cn\/wpcms\/wp-json\/wp\/v2\/posts\/2726\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.zhaozhao123.cn\/wpcms\/wp-json\/wp\/v2\/media?parent=2726"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.zhaozhao123.cn\/wpcms\/wp-json\/wp\/v2\/categories?post=2726"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.zhaozhao123.cn\/wpcms\/wp-json\/wp\/v2\/tags?post=2726"},{"taxonomy":"tuisongtax","embeddable":true,"href":"https:\/\/www.zhaozhao123.cn\/wpcms\/wp-json\/wp\/v2\/tuisongtax?post=2726"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}