WordPress博客首页/栏目/文章添加关键字和描述

作者：袖梨 2022-06-25

打开博客根目录，wp-content/themes/你的主题目录下面的header.php文件，在

代码如下	复制代码

下面加上：

代码如下	复制代码
words" content="你网站的关键字" /> ID, $key, true); ?>" /> ID, $key, true); ?>" />

这段代码你可以适当修改，当然，前提是你要懂他是什么意思。
还没完，修改“你网站的关键字”为你自己想要的首页关键字，修改“你网站描述”为你自己想要的首页描述，首页搞定！
下面是文章页。每次发文章的时候，在自定义域那里，添加两个自定义域：
名称一：keywords，值一：这个页面的关键字。
名称二：description，值二：这个页面的描述。

WordPress博客添加主页、文章页的关键字和描述" alt="帮你的WordPress博客添加主页、文章页的关键字和描述" src="https://img.111com.net/get_pic/2013/07/30/20130730033420450.jpg" />

这样，你发表的文章页面，也会出现对应的关键字和描述啦~~~你可以看看本页面的代码里面keywords和description是不是图片上面的值了。

下面再看个博客首页/栏目/文章添加关键字和描述实例

大家打开上面那篇文章，第一、二步照做，第三步不同，看下面：

三、用编辑器打开header.php，在与之间任意地方（一般加到下面比较美观）加上如下代码：

代码如下

复制代码

//如果是首页
if (is_home()){
$keywords = "你网站首页的关键字，自己修改吧";
$description = "你网站首页的描述，自己修改吧";
}
//如果是文章页
elseif (is_single()){
//默认使用文章页添加关键字
$keywords = get_post_meta($post->ID, "keywords", true);
//如果为空，使用标签作为关键字
if($keywords == ""){
  $tags = wp_get_post_tags($post->ID);
  foreach ($tags as $tag){
   $keywords = $keywords.$tag->name.",";
  }
  //去掉最后一个,
  $keywords = rtrim($keywords, ', ');
}
//默认使用文章页添加描述
$description = get_post_meta($post->ID, "description", true);
//如果为空，使用文章前100个字作为描述
if($description == ""){
  if($post->post_excerpt){
   $description = $post->post_excerpt;
  }else{
   $description = mb_strimwidth(strip_tags(apply_filters('the_content',$post->post_content)),0,200);
  }
}
}
//如果是页面，使用页面添加的关键字和描述
elseif (is_page()){
$keywords = get_post_meta($post->ID, "keywords", true);
$description = get_post_meta($post->ID, "description", true);
}
//如果是分类页，使用分类名作为关键字，分类描述作为描述
elseif (is_category()){
$keywords = single_cat_title('', false);
$description = category_description();
}
//如果是标签页，使用标签名作为关键字，标签描述作为描述
elseif (is_tag()){
$keywords = single_tag_title('', false);
$description = tag_description();
}
//去掉两段空格
$keywords = trim(strip_tags($keywords));
$description = trim(strip_tags($description));
?>

这次我把主要的注释都加上了，我想大家应该看得懂吧？

主要是文章页那里多了几个判断。默认使用文章页添加关键字，如果为空，使用标签作为关键字。默认使用文章页添加描述，如果为空，使用摘要内容，如果摘要为空，使用文章前100个字作为描述。

如果你看到了这里，那么我相信一定会有人觉得又要下载PHP文件，又要改functions.php好麻烦啊！而且也不愿意手动加这些信息，都用自动的。好吧，下面公布最懒的办法。

这个办法只需要修改一次代码，用编辑器打开header.php，在与之间任意地方（一般加到下面比较美观）加上如下代码：</p> <table width="620" align="center" border="0" cellpadding="1" cellspacing="1" style="background:#FB7"> <tr> <td width="464" height="27" bgcolor="#FFE7CE"> 代码如下</td> <td width="109" align="center" bgcolor="#FFE7CE" style="cursor:pointer;" onClick="doCopy('copy8674')">复制代码</td> </tr> <tr> <td height="auto" colspan="2" valign="top" bgcolor="#FFFFFF" style="padding:10px;" class="copyclass" id=copy8674><?php<br /> if (is_home()){<br /> $keywords = "你网站首页的关键字，自己修改吧";<br /> $description = "你网站首页的描述，自己修改吧";<br /> }<br /> elseif (is_single()){<br /> $tags = wp_get_post_tags($post->ID);<br /> foreach ($tags as $tag){<br /> $keywords = $keywords.$tag->name.",";<br /> }<br /> $keywords = rtrim($keywords, ', ');<br /> if($post->post_excerpt){<br /> $description = $post->post_excerpt;<br /> }else{<br /> $description = mb_strimwidth(strip_tags(apply_filters('the_content',$post->post_content)),0,200);<br /> }<br /> }<br /> elseif (is_page()){<br /> $keywords = get_post_meta($post->ID, "keywords", true);<br /> $description = get_post_meta($post->ID, "description", true);<br /> }<br /> elseif (is_category()){<br /> $keywords = single_cat_title('', false);<br /> $description = category_description();<br /> }<br /> elseif (is_tag()){<br /> $keywords = single_tag_title('', false);<br /> $description = tag_description();<br /> }<br /> $keywords = trim(strip_tags($keywords));<br /> $description = trim(strip_tags($description));<br /> ?><br /> <meta name="keywords" content="<?php echo $keywords; ?>" /><br /> <meta name="description" content="<?php echo $description; ?>" /></td> </tr> </table> <p>OK，5个页面的关键字和描述，只要设置一次，以后全部都是自动的。刚刚准备把这个方法写成一个插件，结果看了半天插件教程，依然搞不定</p> <p><br /> <strong>方法三，这个比较实例</strong></p> <p><br /> 奶牛从网上找到了一种解决方法，是水煮鱼的一段代码，代码如下</p> <table width="620" align="center" border="0" cellpadding="1" cellspacing="1" style="background:#FB7"> <tr> <td width="464" height="27" bgcolor="#FFE7CE"> 代码如下</td> <td width="109" align="center" bgcolor="#FFE7CE" style="cursor:pointer;" onClick="doCopy('copy3929')">复制代码</td> </tr> <tr> <td height="auto" colspan="2" valign="top" bgcolor="#FFFFFF" style="padding:10px;" class="copyclass" id=copy3929><?if (is_home()){<br /> $description = "网站首页描述";<br /> $keywords = "网站关键字";<br /> } elseif (is_single()){<br /> if ($post->post_excerpt) {<br /> $description = $post->post_excerpt;<br /> } else {<br /> $description = <a href="/tags.php/substr/" target="_blank">substr</a>(strip_tags($post->post_content),0,220);<br /> }<br /> <br /> $keywords = ""; <br /> $tags = wp_get_post_tags($post->ID);<br /> foreach ($tags as $tag ) {<br /> $keywords = $keywords . $tag->name . ", ";<br /> }<br /> }<br /> ?><br /> <meta name="keywords" content="<?=$keywords?>" /><br /> <meta name="description" content="<?=$description?>" /><br /> </td> </tr> </table> <p> </p> <p>主题的头文件一般可能会含有</p> <table width="620" align="center" border="0" cellpadding="1" cellspacing="1" style="background:#FB7"> <tr> <td width="464" height="27" bgcolor="#FFE7CE"> 代码如下</td> <td width="109" align="center" bgcolor="#FFE7CE" style="cursor:pointer;" onClick="doCopy('copy5925')">复制代码</td> </tr> <tr> <td height="auto" colspan="2" valign="top" bgcolor="#FFFFFF" style="padding:10px;" class="copyclass" id=copy5925> <p><meta name="keywords" content="<?=$keywords?>" /><br /> <meta name="description" content="<?=$description?>" /></p> </td> </tr> </table> <p>或者相似的文字，只要替换就好了，如果没有就添加到head文件的title之后，</head>之前就可以了。</p></td> </tr> </table> </div> </div> </section> <section class="wrap-box"> <div class="g-tit"> <h2>相关文章</h2> </div> <ul class="s-list nobord notop"> <li> <a href="/art-424885.htm" class="s-card"> 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