我们在使用wordpress建设网站的时候，当网站需要频繁更换@R_403_395@的时候，每次都登录FTP进行更换就有些太麻烦了，今天91wordpress特地为大家准备了一篇wordpress教程，教给大家如何让给主题添加后台上传网站@R_403_395@的功能。
1. 切换到主题所在目录，打开functions.PHP文件，添加如下代码：
Crayon-5c891d2395fbc738609302" class="Crayon-Syntax Crayon-theme-classic Crayon-font-monaco Crayon-os-pc print-yes notranslate" data-settings=" minimize scroll-mouSEOver" style=" margin-top: 12px; margin-bottom: 12px; font-size: 12px !important; line-height: 15px !important;">
Crayon-toolbar" data-settings=" mouSEOver overlay hide delay" style="font-size: 12px !important;height: 18px !important; line-height: 18px !important;">Crayon-title">functions.PHP
Crayon-tools" style="font-size: 12px !important;height: 18px !important; line-height: 18px !important;">Crayon-mixed-highlight" title="Contains Mixed Languages">
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-language">PHPCrayon-button-icon">
Crayon-info" style="min-height: 16.8px !important; line-height: 16.8px !important;">
Crayon-plain-wrap">
Crayon-main" style="">Crayon-table">
| Crayon-nums " data-settings="show"> Crayon-nums-content" style="font-size: 12px !important; line-height: 15px !important;"> Crayon-code">Crayon-num" data-line="Crayon-5c891d2395fbc738609302-1">1 Crayon-num" data-line="Crayon-5c891d2395fbc738609302-3">3 Crayon-num" data-line="Crayon-5c891d2395fbc738609302-5">5 Crayon-num" data-line="Crayon-5c891d2395fbc738609302-7">7 Crayon-num" data-line="Crayon-5c891d2395fbc738609302-9">9 Crayon-num" data-line="Crayon-5c891d2395fbc738609302-11">11 Crayon-num" data-line="Crayon-5c891d2395fbc738609302-13">13 Crayon-num" data-line="Crayon-5c891d2395fbc738609302-15">15 Crayon-num" data-line="Crayon-5c891d2395fbc738609302-17">17 Crayon-num" data-line="Crayon-5c891d2395fbc738609302-19">19 Crayon-num" data-line="Crayon-5c891d2395fbc738609302-21">21 Crayon-num" data-line="Crayon-5c891d2395fbc738609302-23">23 Crayon-num" data-line="Crayon-5c891d2395fbc738609302-25">25 Crayon-num" data-line="Crayon-5c891d2395fbc738609302-27">27 Crayon-num" data-line="Crayon-5c891d2395fbc738609302-29">29 Crayon-num" data-line="Crayon-5c891d2395fbc738609302-31">31 Crayon-num" data-line="Crayon-5c891d2395fbc738609302-33">33 Crayon-num" data-line="Crayon-5c891d2395fbc738609302-35">35 Crayon-num" data-line="Crayon-5c891d2395fbc738609302-37">37 Crayon-num" data-line="Crayon-5c891d2395fbc738609302-39">39 Crayon-num" data-line="Crayon-5c891d2395fbc738609302-41">41 Crayon-num" data-line="Crayon-5c891d2395fbc738609302-43">43 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-5c891d2395fbc738609302-1">Crayon-t">classCrayon-h"> Crayon-e">ClassicOptionsCrayon-h"> Crayon-sy">{Crayon-h"> Crayon-line Crayon-striped-line" id="Crayon-5c891d2395fbc738609302-2">Crayon-h">Crayon-t">functionCrayon-h"> Crayon-e">getOptionsCrayon-sy">(Crayon-sy">)Crayon-h"> Crayon-sy">{Crayon-h"> Crayon-line" id="Crayon-5c891d2395fbc738609302-3">Crayon-h">Crayon-v">$optionsCrayon-h"> Crayon-o">=Crayon-h"> Crayon-e">get_optionCrayon-sy">(Crayon-s">'classic_options'Crayon-sy">)Crayon-sy">;Crayon-h"> Crayon-line Crayon-striped-line" id="Crayon-5c891d2395fbc738609302-4">Crayon-h">Crayon-st">ifCrayon-h"> Crayon-sy">(Crayon-o">!Crayon-e">is_arrayCrayon-sy">(Crayon-v">$optionsCrayon-sy">)Crayon-sy">)Crayon-h"> Crayon-sy">{Crayon-h"> Crayon-line" id="Crayon-5c891d2395fbc738609302-5">Crayon-h">Crayon-v">$optionsCrayon-sy">[Crayon-s">'ashu_@R_403_395@'Crayon-sy">]Crayon-h"> Crayon-o">=Crayon-h"> Crayon-s">''Crayon-sy">;Crayon-h"> Crayon-line Crayon-striped-line" id="Crayon-5c891d2395fbc738609302-6">Crayon-h">Crayon-e">update_optionCrayon-sy">(Crayon-s">'classic_options'Crayon-sy">,Crayon-h"> Crayon-v">$optionsCrayon-sy">)Crayon-sy">;Crayon-h"> Crayon-line Crayon-striped-line" id="Crayon-5c891d2395fbc738609302-8">Crayon-h">Crayon-k ">returnCrayon-h"> Crayon-v">$optionsCrayon-sy">;Crayon-h"> Crayon-line Crayon-striped-line" id="Crayon-5c891d2395fbc738609302-10">Crayon-h">Crayon-t">functionCrayon-h"> Crayon-e">initCrayon-sy">(Crayon-sy">)Crayon-h"> Crayon-sy">{Crayon-h"> Crayon-line" id="Crayon-5c891d2395fbc738609302-11">Crayon-h">Crayon-st">ifCrayon-sy">(Crayon-k ">issetCrayon-sy">(Crayon-v">$_POSTCrayon-sy">[Crayon-s">'classic_save'Crayon-sy">]Crayon-sy">)Crayon-sy">)Crayon-h"> Crayon-sy">{Crayon-h"> Crayon-line Crayon-striped-line" id="Crayon-5c891d2395fbc738609302-12">Crayon-h">Crayon-v">$optionsCrayon-h"> Crayon-o">=Crayon-h"> Crayon-e">ClassicOptions::Crayon-e">getOptionsCrayon-sy">(Crayon-sy">)Crayon-sy">;Crayon-h"> Crayon-line" id="Crayon-5c891d2395fbc738609302-13">Crayon-h">Crayon-v">$optionsCrayon-sy">[Crayon-s">'ashu_@R_403_395@'Crayon-sy">]Crayon-h"> Crayon-o">=Crayon-h"> Crayon-e">stripslashesCrayon-sy">(Crayon-v">$_POSTCrayon-sy">[Crayon-s">'ashu_@R_403_395@'Crayon-sy">]Crayon-sy">)Crayon-sy">;Crayon-h"> Crayon-line Crayon-striped-line" id="Crayon-5c891d2395fbc738609302-14">Crayon-h">Crayon-e">update_optionCrayon-sy">(Crayon-s">'classic_options'Crayon-sy">,Crayon-h"> Crayon-v">$optionsCrayon-sy">)Crayon-sy">;Crayon-h"> Crayon-line" id="Crayon-5c891d2395fbc738609302-15">Crayon-h">Crayon-sy">}Crayon-h"> Crayon-st">elseCrayon-h"> Crayon-sy">{Crayon-h"> Crayon-line Crayon-striped-line" id="Crayon-5c891d2395fbc738609302-16">Crayon-h">Crayon-e">ClassicOptions::Crayon-e">getOptionsCrayon-sy">(Crayon-sy">)Crayon-sy">;Crayon-h"> Crayon-line Crayon-striped-line" id="Crayon-5c891d2395fbc738609302-18">Crayon-h">Crayon-e">add_theme_pageCrayon-sy">(Crayon-s">"主题设置"Crayon-sy">,Crayon-h"> Crayon-s">"主题设置"Crayon-sy">,Crayon-h"> Crayon-s">'edit_themes'Crayon-sy">,Crayon-h"> Crayon-e">basenameCrayon-sy">(Crayon-k ">__FILE__Crayon-sy">)Crayon-sy">,Crayon-h"> Crayon-t">arrayCrayon-sy">(Crayon-s">'ClassicOptions'Crayon-sy">,Crayon-h"> Crayon-s">'display'Crayon-sy">)Crayon-sy">)Crayon-sy">;Crayon-h"> Crayon-line Crayon-striped-line" id="Crayon-5c891d2395fbc738609302-20">Crayon-h">Crayon-t">functionCrayon-h"> Crayon-e">displayCrayon-sy">(Crayon-sy">)Crayon-h"> Crayon-sy">{Crayon-h"> Crayon-line" id="Crayon-5c891d2395fbc738609302-21">Crayon-h">Crayon-v">$optionsCrayon-h"> Crayon-o">=Crayon-h"> Crayon-e">ClassicOptions::Crayon-e">getOptionsCrayon-sy">(Crayon-sy">)Crayon-sy">;Crayon-h"> Crayon-h"> Crayon-line Crayon-striped-line" id="Crayon-5c891d2395fbc738609302-22">Crayon-h">Crayon-o"><Crayon-e">form Crayon-i">methodCrayon-o">=Crayon-s">"post"Crayon-h"> Crayon-i">enctypeCrayon-o">=Crayon-s">"multipart/form-data"Crayon-h"> Crayon-i">nameCrayon-o">=Crayon-s">"classic_form"Crayon-h"> Crayon-i">idCrayon-o">=Crayon-s">"classic_form"Crayon-h"> Crayon-line" id="Crayon-5c891d2395fbc738609302-23">Crayon-h">Crayon-o"><Crayon-e">div Crayon-t">classCrayon-o">=Crayon-s">"wrap"Crayon-h"> Crayon-line Crayon-striped-line" id="Crayon-5c891d2395fbc738609302-24">Crayon-h">Crayon-o"><Crayon-e">h2Crayon-ta">PHPCrayon-h"> Crayon-e">_eCrayon-sy">(Crayon-s">'主题设置'Crayon-sy">)Crayon-sy">;Crayon-h"> Crayon-o"><Crayon-o">/Crayon-i">h2Crayon-h"> Crayon-line Crayon-striped-line" id="Crayon-5c891d2395fbc738609302-26">Crayon-h">Crayon-o"><Crayon-i">labelCrayon-h"> Crayon-line" id="Crayon-5c891d2395fbc738609302-27">Crayon-h">Crayon-o"><Crayon-e">input Crayon-i">typeCrayon-o">=Crayon-s">"text"Crayon-h"> Crayon-i">sizeCrayon-o">=Crayon-s">"80"Crayon-h">Crayon-i">nameCrayon-o">=Crayon-s">"ashu_@R_403_395@"Crayon-h"> Crayon-i">idCrayon-o">=Crayon-s">"ashu_@R_403_395@"Crayon-h"> Crayon-i">valueCrayon-o">=Crayon-s">"Crayon-ta">PHPCrayon-h"> Crayon-k ">echoCrayon-sy">(Crayon-v">$optionsCrayon-sy">[Crayon-s">'ashu_@R_403_395@'Crayon-sy">]Crayon-sy">)Crayon-sy">;Crayon-h"> "Crayon-o">/Crayon-h"> Crayon-line Crayon-striped-line" id="Crayon-5c891d2395fbc738609302-28">Crayon-h">Crayon-o"><Crayon-e">input Crayon-i">typeCrayon-o">=Crayon-s">"button"Crayon-h"> Crayon-i">nameCrayon-o">=Crayon-s">"upload_button"Crayon-h"> Crayon-i">valueCrayon-o">=Crayon-s">"上传"Crayon-h"> Crayon-i">idCrayon-o">=Crayon-s">"upbottom"Crayon-o">/Crayon-h"> Crayon-line" id="Crayon-5c891d2395fbc738609302-29">Crayon-h">Crayon-o"><Crayon-o">/Crayon-i">labelCrayon-h"> Crayon-line Crayon-striped-line" id="Crayon-5c891d2395fbc738609302-30">Crayon-h">Crayon-o"><Crayon-o">/Crayon-i">pCrayon-h"> Crayon-line" id="Crayon-5c891d2395fbc738609302-31">Crayon-h">Crayon-o"><Crayon-i">pCrayon-h"> Crayon-t">classCrayon-o">=Crayon-s">"submit"Crayon-h"> Crayon-line Crayon-striped-line" id="Crayon-5c891d2395fbc738609302-32">Crayon-h">Crayon-o"><Crayon-e">input Crayon-i">typeCrayon-o">=Crayon-s">"submit"Crayon-h"> Crayon-i">nameCrayon-o">=Crayon-s">"classic_save"Crayon-h"> Crayon-i">valueCrayon-o">=Crayon-s">"Crayon-ta">PHPCrayon-h"> Crayon-e">_eCrayon-sy">(Crayon-s">'保存设置'Crayon-sy">)Crayon-sy">;Crayon-h"> "Crayon-h"> Crayon-o">/Crayon-h"> Crayon-line" id="Crayon-5c891d2395fbc738609302-33">Crayon-h">Crayon-o"><Crayon-o">/Crayon-i">pCrayon-h"> Crayon-line Crayon-striped-line" id="Crayon-5c891d2395fbc738609302-34">Crayon-h">Crayon-o"><Crayon-o">/Crayon-i">divCrayon-h"> Crayon-line" id="Crayon-5c891d2395fbc738609302-39">Crayon-e">add_actionCrayon-sy">(Crayon-s">'admin_menu'Crayon-sy">,Crayon-h"> Crayon-s">'init'Crayon-sy">)Crayon-sy">)Crayon-sy">;Crayon-h"> Crayon-line Crayon-striped-line" id="Crayon-5c891d2395fbc738609302-40">Crayon-e">wp_enqueue_scriptCrayon-sy">(Crayon-s">'my-upload'Crayon-sy">,Crayon-h"> Crayon-e">get_bloginfoCrayon-sy">(Crayon-h"> Crayon-s">'stylesheet_directory'Crayon-h"> Crayon-sy">)Crayon-h"> Crayon-sy">.Crayon-h"> Crayon-s">'/js/upload.js'Crayon-sy">)Crayon-sy">;Crayon-h"> 2. 新建upload.js，放入主题的js文件夹中，主题中没有js文件夹请新建，添加如下代码： Crayon-5c891d2395fc8218797446" class="Crayon-Syntax Crayon-theme-classic Crayon-font-monaco Crayon-os-pc print-yes notranslate" data-settings=" minimize scroll-mouSEOver" style=" margin-top: 12px; margin-bottom: 12px; font-size: 12px !important; line-height: 15px !important;"> Crayon-toolbar" data-settings=" mouSEOver 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-language">JavaScriptCrayon-button-icon"> Crayon-info" style="min-height: 16.8px !important; line-height: 16.8px !important;"> Crayon-plain-wrap"> Crayon-main" style="">
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