前端之家收集整理的这篇文章主要介绍了
在WordPress博客首页排除某些特定分类，
前端之家小编觉得挺不错的，现在分享给大家，也给大家做个参考。
对于一般的wordpress博客主题来说，首页大都是调用最新的文章列表，如果我们希望在首页排除某些特定的分类，该如何操作呢？最简单的方法就是通过 pre_get_posts 钩子来改变主查询。
下面我们就向大家介绍一下实现的方法，切换到主题目录，打开 functions.PHP 文件，加入以下代码：
Crayon-5c891cba700df402491394" class="
Crayon-
Syntax Crayon-theme-classic
Crayon-font-monaco
Crayon-os-pc print-yes notranslate" data-settings=" minimize scroll-mou
SEOver" style=" margin-top: 12px; margin-bottom: 12px; font-size: 12px !important; line-height: 15px !important;">
Crayon-toolbar" data-settings=" mou
SEOver overlay hide delay" style="font-size: 12px !important;height: 18px !important; line-height: 18px !important;">
Crayon-title">functions.PHPCrayon-tools" style="font-size: 12px !important;height: 18px !important; line-height: 18px !important;">
Crayon-button
Crayon-nums-button" title="Toggle Line Numbers">
Crayon-button-icon">
Crayon-button
Crayon-plain-button" title="Toggle Plain Code">
Crayon-button-icon">
Crayon-button
Crayon-wrap-button" title="Toggle Line Wrap">
Crayon-button-icon">
Crayon-button
Crayon-expand-button" title="Expand Code">
Crayon-button-icon">
Crayon-button
Crayon-copy-button" title="Copy">
Crayon-button-icon">
Crayon-button
Crayon-popup-button" title="Open Code In New Window">
Crayon-button-icon">
Crayon-info" style="min-height: 16.8px !important; line-height: 16.8px !important;">
Crayon-plain-wrap">
Crayon-main" style="">
Crayon-table">Crayon-row">Crayon-nums " data-settings="show">Crayon-nums-content" style="font-size: 12px !important; line-height: 15px !important;"> Crayon-num" data-line=" Crayon-5c891cba700df402491394-1">1 Crayon-num Crayon-striped-num" data-line=" Crayon-5c891cba700df402491394-2">2 Crayon-num" data-line=" Crayon-5c891cba700df402491394-3">3 Crayon-num Crayon-striped-num" data-line=" Crayon-5c891cba700df402491394-4">4 Crayon-num" data-line=" Crayon-5c891cba700df402491394-5">5 Crayon-num Crayon-striped-num" data-line=" Crayon-5c891cba700df402491394-6">6 Crayon-num" data-line=" Crayon-5c891cba700df402491394-7">7 Crayon-num Crayon-striped-num" data-line=" Crayon-5c891cba700df402491394-8">8 Crayon-pre" style="font-size: 12px !important; line-height: 15px !important; -moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4;"> Crayon-line" id=" Crayon-5c891cba700df402491394-1"> Crayon-t">functionCrayon-h"> Crayon-e">exclude_category_homeCrayon-sy">(Crayon-h"> Crayon-v">$queryCrayon-h"> Crayon-sy">)Crayon-h"> Crayon-sy">{Crayon-line Crayon-striped-line" id=" Crayon-5c891cba700df402491394-2"> Crayon-h">Crayon-st">ifCrayon-h"> Crayon-sy">(Crayon-h"> Crayon-v">$queryCrayon-i">is_homeCrayon-h"> Crayon-sy">)Crayon-h"> Crayon-sy">{Crayon-line" id=" Crayon-5c891cba700df402491394-3"> Crayon-h">Crayon-v">$queryCrayon-e">setCrayon-sy">(Crayon-h"> Crayon-s">'cat'Crayon-sy">,Crayon-h"> Crayon-s">'-10,-11'Crayon-h"> Crayon-sy">)Crayon-sy">;Crayon-line Crayon-striped-line" id=" Crayon-5c891cba700df402491394-4"> Crayon-h">Crayon-sy">}Crayon-line" id=" Crayon-5c891cba700df402491394-5"> Crayon-h">Crayon-k ">returnCrayon-h"> Crayon-v">$queryCrayon-sy">;Crayon-line Crayon-striped-line" id=" Crayon-5c891cba700df402491394-6"> Crayon-sy">}Crayon-line" id=" Crayon-5c891cba700df402491394-7"> Crayon-h"> Crayon-line Crayon-striped-line" id=" Crayon-5c891cba700df402491394-8"> Crayon-e">add_filterCrayon-sy">(Crayon-h"> Crayon-s">'pre_get_posts'Crayon-sy">,Crayon-h"> Crayon-s">'exclude_category_home'Crayon-h"> Crayon-sy">)Crayon-sy">;根据您自己的需要，修改代码的第 3 行中的分类ID，比如你想排除分类 2 和 3，就将第 3 行改为： Crayon-5c891cba700e6264208852" class=" Crayon- Syntax Crayon-theme-classic Crayon-font-monaco Crayon-os-pc print-yes notranslate" data-settings=" minimize scroll-mou SEOver" style=" margin-top: 12px; margin-bottom: 12px; font-size: 12px !important; line-height: 15px !important;"> Crayon-toolbar" data-settings=" mou SEOver overlay hide delay" style="font-size: 12px !important;height: 18px !important; line-height: 18px !important;"> Crayon-title">functions.PHPCrayon-tools" style="font-size: 12px !important;height: 18px !important; line-height: 18px !important;"> Crayon-button Crayon-nums-button" title="Toggle Line Numbers"> Crayon-button-icon"> Crayon-button Crayon-plain-button" title="Toggle Plain Code"> Crayon-button-icon"> Crayon-button Crayon-wrap-button" title="Toggle Line Wrap"> Crayon-button-icon"> Crayon-button Crayon-expand-button" title="Expand Code"> Crayon-button-icon"> Crayon-button Crayon-copy-button" title="Copy"> Crayon-button-icon"> Crayon-button Crayon-popup-button" title="Open Code In New Window"> Crayon-button-icon"> Crayon-info" style="min-height: 16.8px !important; line-height: 16.8px !important;"> Crayon-plain-wrap"> Crayon-main" style=""> Crayon-table">Crayon-row">Crayon-nums " data-settings="show">Crayon-nums-content" style="font-size: 12px !important; line-height: 15px !important;"> Crayon-num" data-line=" Crayon-5c891cba700e6264208852-1">1 Crayon-pre" style="font-size: 12px !important; line-height: 15px !important; -moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4;"> Crayon-line" id=" Crayon-5c891cba700e6264208852-1"> Crayon-v">$queryCrayon-e">setCrayon-sy">(Crayon-h"> Crayon-s">'cat'Crayon-sy">,Crayon-h"> Crayon-s">'-2,-3'Crayon-h"> Crayon-sy">)Crayon-sy">;如果你不希望在顶部显示置顶文章，可以在第 3 行下面添加： Crayon-5c891cba700e8627290721" class=" Crayon- Syntax Crayon-theme-classic Crayon-font-monaco Crayon-os-pc print-yes notranslate" data-settings=" minimize scroll-mou SEOver" style=" margin-top: 12px; margin-bottom: 12px; font-size: 12px !important; line-height: 15px !important;"> Crayon-toolbar" data-settings=" mou SEOver overlay hide delay" style="font-size: 12px !important;height: 18px !important; line-height: 18px !important;"> Crayon-title">functions.PHPCrayon-tools" style="font-size: 12px !important;height: 18px !important; line-height: 18px !important;"> Crayon-button Crayon-nums-button" title="Toggle Line Numbers"> Crayon-button-icon"> Crayon-button Crayon-plain-button" title="Toggle Plain Code"> Crayon-button-icon"> Crayon-button Crayon-wrap-button" title="Toggle Line Wrap"> Crayon-button-icon"> Crayon-button Crayon-expand-button" title="Expand Code"> Crayon-button-icon"> Crayon-button Crayon-copy-button" title="Copy"> Crayon-button-icon"> Crayon-button Crayon-popup-button" title="Open Code In New Window"> Crayon-button-icon"> Crayon-info" style="min-height: 16.8px !important; line-height: 16.8px !important;"> Crayon-plain-wrap"> Crayon-main" style=""> Crayon-table">Crayon-row">Crayon-nums " data-settings="show">Crayon-nums-content" style="font-size: 12px !important; line-height: 15px !important;"> Crayon-num" data-line=" Crayon-5c891cba700e8627290721-1">1 Crayon-pre" style="font-size: 12px !important; line-height: 15px !important; -moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4;"> Crayon-line" id=" Crayon-5c891cba700e8627290721-1"> Crayon-v">$queryCrayon-e">setCrayon-sy">(Crayon-h"> Crayon-s">'ignore_sticky_posts'Crayon-sy">,Crayon-h"> Crayon-s">'1'Crayon-h"> Crayon-sy">)Crayon-sy">;如果出现新文章出现在最下面，老文章却在上面（也就是文章排序倒过来了），那添加如下代码试试： Crayon-5c891cba700ea778191910" class=" Crayon- Syntax Crayon-theme-classic Crayon-font-monaco Crayon-os-pc print-yes notranslate" data-settings=" minimize scroll-mou SEOver" style=" margin-top: 12px; margin-bottom: 12px; font-size: 12px !important; line-height: 15px !important;"> Crayon-toolbar" data-settings=" mou SEOver overlay hide delay" style="font-size: 12px !important;height: 18px !important; line-height: 18px !important;"> Crayon-title">functions.PHPCrayon-tools" style="font-size: 12px !important;height: 18px !important; line-height: 18px !important;"> Crayon-button Crayon-nums-button" title="Toggle Line Numbers"> Crayon-button-icon"> Crayon-button Crayon-plain-button" title="Toggle Plain Code"> Crayon-button-icon"> Crayon-button Crayon-wrap-button" title="Toggle Line Wrap"> Crayon-button-icon"> Crayon-button Crayon-expand-button" title="Expand Code"> Crayon-button-icon"> Crayon-button Crayon-copy-button" title="Copy"> Crayon-button-icon"> Crayon-button Crayon-popup-button" title="Open Code In New Window"> Crayon-button-icon"> Crayon-info" style="min-height: 16.8px !important; line-height: 16.8px !important;"> Crayon-plain-wrap"> Crayon-main" style=""> Crayon-table">Crayon-row">Crayon-nums " data-settings="show">Crayon-nums-content" style="font-size: 12px !important; line-height: 15px !important;"> Crayon-num" data-line=" Crayon-5c891cba700ea778191910-1">1 Crayon-num Crayon-striped-num" data-line=" Crayon-5c891cba700ea778191910-2">2 Crayon-pre" style="font-size: 12px !important; line-height: 15px !important; -moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4;"> Crayon-line" id=" Crayon-5c891cba700ea778191910-1"> Crayon-v">$queryCrayon-e">setCrayon-sy">(Crayon-h"> Crayon-s">'orderby'Crayon-sy">,Crayon-h"> Crayon-s">'date'Crayon-h"> Crayon-sy">)Crayon-sy">;Crayon-line Crayon-striped-line" id=" Crayon-5c891cba700ea778191910-2"> Crayon-v">$queryCrayon-e">setCrayon-sy">(Crayon-h"> Crayon-s">'order'Crayon-sy">,Crayon-h"> Crayon-s">'DESC'Crayon-h"> Crayon-sy">)Crayon-sy">; | | | |
