在wordpress的后台设置中，我们可以通过 阅读 > 博客页面至多显示 设置每页最多显示的文章数目，但此设置只能将所有的类别（首页、分类目录页、标签页、作者页）显示的文章数都设置成一个固定值。
使用wordpress建站的过程中，如果我们想给不同归档页面（首页、分类目录页、标签页、作者页）自定义每页显示条数。比如首页每页最多显示10篇文章，分类页每页最多显示20篇文章，标签页每页最多显示30篇文章。这篇wordpress教程里，我们就向大家介绍一下具体的实现方法。
我们先来了解一下wordpress内部提供的函数来判断某个页面的类别：
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margin-b ottom: 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">Crayon-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-5c891ce15dcea198573518-1">1 Crayon-num Crayon-striped-num" data-line=" Crayon-5c891ce15dcea198573518-2">2 Crayon-num" data-line=" Crayon-5c891ce15dcea198573518-3">3 Crayon-num Crayon-striped-num" data-line=" Crayon-5c891ce15dcea198573518-4">4 Crayon-num" data-line=" Crayon-5c891ce15dcea198573518-5">5 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-5c891ce15dcea198573518-1"> Crayon-sy">$Crayon-v">argsCrayon-h"> Crayon-o">=Crayon-h"> Crayon-t">arrayCrayon-sy">(Crayon-line Crayon-striped-line" id=" Crayon-5c891ce15dcea198573518-2"> Crayon-h">Crayon-s">'caller_get_posts'Crayon-h"> Crayon-o">=Crayon-h"> Crayon-cn">1Crayon-line" id=" Crayon-5c891ce15dcea198573518-3"> Crayon-h">Crayon-s">'posts_per_page'Crayon-h"> Crayon-o">=Crayon-h"> Crayon-cn">10Crayon-line Crayon-striped-line" id=" Crayon-5c891ce15dcea198573518-4"> Crayon-sy">)Crayon-sy">;Crayon-line" id=" Crayon-5c891ce15dcea198573518-5"> Crayon-e">query_postsCrayon-sy">(Crayon-sy">$Crayon-v">argsCrayon-sy">)Crayon-sy">;上面的代码片段表示我们查询的时候需要每页最多显示10篇文章。我们可以通过重写 pre_get_posts 钩子来自定义不同归档页面每页显示的文章数量。如果我们想在首页每页最多显示10篇文章，分类页每页最多显示20篇文章，标签页每页最多显示30篇文章。切换到主题目录，打开functions.PHP文件，加入以下代码： Crayon-5c891ce15dcec944188119" 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; 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line-height: 15px !important;"> Crayon-num" data-line=" Crayon-5c891ce15dcec944188119-1">1 Crayon-num Crayon-striped-num" data-line=" Crayon-5c891ce15dcec944188119-2">2 Crayon-num" data-line=" Crayon-5c891ce15dcec944188119-3">3 Crayon-num Crayon-striped-num" data-line=" Crayon-5c891ce15dcec944188119-4">4 Crayon-num" data-line=" Crayon-5c891ce15dcec944188119-5">5 Crayon-num Crayon-striped-num" data-line=" Crayon-5c891ce15dcec944188119-6">6 Crayon-num" data-line=" Crayon-5c891ce15dcec944188119-7">7 Crayon-num Crayon-striped-num" data-line=" Crayon-5c891ce15dcec944188119-8">8 Crayon-num" data-line=" Crayon-5c891ce15dcec944188119-9">9 Crayon-num Crayon-striped-num" data-line=" Crayon-5c891ce15dcec944188119-10">10 Crayon-num" data-line=" Crayon-5c891ce15dcec944188119-11">11 Crayon-num Crayon-striped-num" data-line=" Crayon-5c891ce15dcec944188119-12">12 Crayon-num" data-line=" Crayon-5c891ce15dcec944188119-13">13 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-5c891ce15dcec944188119-1"> Crayon-t">functionCrayon-h"> Crayon-e">wp_posts_per_pageCrayon-sy">(Crayon-v">$queryCrayon-sy">)Crayon-h"> Crayon-sy">{Crayon-line Crayon-striped-line" id=" Crayon-5c891ce15dcec944188119-2"> Crayon-h">Crayon-st">ifCrayon-h"> Crayon-sy">(Crayon-e">is_homeCrayon-sy">(Crayon-sy">)Crayon-sy">)Crayon-h"> Crayon-sy">{Crayon-line" id=" Crayon-5c891ce15dcec944188119-3"> Crayon-h">Crayon-v">$queryCrayon-e">setCrayon-sy">(Crayon-s">'posts_per_page'Crayon-sy">,Crayon-h"> Crayon-cn">10Crayon-sy">)Crayon-sy">;Crayon-line Crayon-striped-line" id=" Crayon-5c891ce15dcec944188119-4"> Crayon-h">Crayon-sy">}Crayon-line" id=" Crayon-5c891ce15dcec944188119-5"> Crayon-h">Crayon-st">ifCrayon-h"> Crayon-sy">(Crayon-e">is_categoryCrayon-sy">(Crayon-sy">)Crayon-sy">)Crayon-h"> Crayon-sy">{Crayon-line Crayon-striped-line" id=" Crayon-5c891ce15dcec944188119-6"> Crayon-h">Crayon-v">$queryCrayon-e">setCrayon-sy">(Crayon-s">'posts_per_page'Crayon-sy">,Crayon-h"> Crayon-cn">20Crayon-sy">)Crayon-sy">;Crayon-line" id=" Crayon-5c891ce15dcec944188119-7"> Crayon-h">Crayon-sy">}Crayon-line Crayon-striped-line" id=" Crayon-5c891ce15dcec944188119-8"> Crayon-h">Crayon-st">ifCrayon-h"> Crayon-sy">(Crayon-e">is_tagCrayon-sy">(Crayon-sy">)Crayon-sy">)Crayon-h"> Crayon-sy">{Crayon-line" id=" Crayon-5c891ce15dcec944188119-9"> Crayon-h">Crayon-v">$queryCrayon-e">setCrayon-sy">(Crayon-s">'posts_per_page'Crayon-sy">,Crayon-h"> Crayon-cn">30Crayon-sy">)Crayon-sy">;Crayon-line Crayon-striped-line" id=" Crayon-5c891ce15dcec944188119-10"> Crayon-h">Crayon-sy">}Crayon-h"> Crayon-c">//endifCrayon-line" id=" Crayon-5c891ce15dcec944188119-11"> Crayon-sy">}Crayon-h"> Crayon-c">//functionCrayon-line Crayon-striped-line" id=" Crayon-5c891ce15dcec944188119-12"> Crayon-h"> Crayon-line" id=" Crayon-5c891ce15dcec944188119-13"> Crayon-e">add_actionCrayon-sy">(Crayon-s">'pre_get_posts'Crayon-sy">,Crayon-h"> Crayon-s">'wp_posts_per_page'Crayon-sy">)Crayon-sy">;版权声明：本文内容由互联网用户自发贡献，该文观点与技术仅代表作者本人。本站仅提供信息存储空间服务，不拥有所有权，不承担相关法律责任。如发现本站有涉嫌侵权/违法违规的内容， 请发送邮件至 dio@foxmail.com 举报，一经查实，本站将立刻删除。
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