【提高知识水平|After Effects】day-2

AfterEffects学习指南
本文介绍了一系列AfterEffects学习资源,包括VideoCopilot、Adobe官方教程、Vimeo、tutsplus及doyoudo等,并探讨了视频剪辑的重要性,强调了细节、创意与诚意。
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前言

又见基佬紫,当然今天的重点不是这个。

期末复习期间,在票圈见证了一幕幕的惨剧。

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当然,这也不是今天的重点。

临近期末在校园中愉快地畅游在知识的海洋中时......身边一对对情侣让我思绪万千。脑内联想出这样一系列词汇——

fff

=>烧

=>火焰

=>flame

=>frame

=>帧

=>视频

=>影视后期

=>after effects!!

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好,那今天就来学一下After Effects。

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这次的学习目录

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教程推荐

我们不生产教程,我们只是教程的搬运工。

关于After Effects,前人之述备矣,要想系统地进行学习,下面这些是不错的选择。

>>>Video Copilot

网址:http://www.videocopilot.net/

简介:混迹于Ae界如果没听说过AK大神的话哪就过分了哦,神一般的地位无需多说。如果想看中文版的教程也很简单,直接百度「AK大神教程」。

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>>>Adobe

网址:https://helpx.adobe.com/after-effects/tutorials.html

简介:不如就直接上adobe老家查看官方自带的教程,系统、全面。

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>>>Vimeo

网址:https://vimeo.com/

简介:国外很有名的视频,教程比youtube上药好一些,不过要翻墙才能看。

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>>>tutsplus

网址:

https://cgi.tutsplus.com/categories/adobe-after-effects

简介:这是创意作品交易平台envato旗下的教学网站,上面的平面、三维、音效各种教学资源都有,当然也包括AE。

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>>>doyoudo

网址:http://doyoudo.com/

简介:doyoudo是一个音频和视频制作者的学习平台。目前上面有免费的AE、C4D、Premiere、Audition等教程可供大家看。

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常(fei)识(hua)

又要摆出一些常(fei)识(hua)内容了。

>>>什么是视频

视频(Video)泛指将一系列静态影像以电信号的方式加以捕捉、纪录、处理、储存、传送与重现的各种技术。连续的图像变化每秒超过24帧(frame)画面以上时,根据视觉暂留原理,人眼无法辨别单幅的静态画面;看上去是平滑连续的视觉效果,这样连续的画面叫做视频。视频技术最早是为了电视系统而发展,但现在已经发展为各种不同的格式以利消费者将视频记录下来。网络技术的发达也促使视频的纪录片段以串流媒体的形式存在于因特网之上并可被电脑接收与播放。视频与电影属于不同的技术,后者是利用照相术将动态的影像捕捉为一系列的静态照片。

>>>视频特效制作软件

After Effects就是典型的视频特效制作软件。

>>>视频编辑软件

注意,和特效制作在概念上还是有所不同的,Premiere属于视频编辑软件。

涉及到视频其实又个绕不开的话题,就是“帧”,“帧”之于视频就好比“像素”之于图片。是个相当难易描述的神奇知(si)识(bi)点。在此,我选择不说话,闷声发大财才是坠吼的,将来说明上玩意有什么偏差,难免会被批判一番。

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拓展内容

>>>如何真正学会视频剪辑

「细腻」+「创意」+「诚意」

哪怕是一个字母的位置、一个字体的选择、一个关键帧都能体现制作者的水平。一般受众才不会懂制作者幕后到底做了什么付出多少辛苦,受众能看到的是最终呈现出的结果,但用不用心真的是能看得出来的。

但有的时候即便制作者非常细致地对每一帧做了精雕细琢也不一定能让受众买账。有智商那叫创意,没智商的那叫随意。

其实观众又不傻,制作者的视频是什么水平其实都能看得出来。而真正有诚意的表现是要求制作者从受众的角度出发。

点滴的诚意是完全可以体现在视频制作中的,这份诚意不仅是对受众的负责,也是对自己的负责。

>>>那些惊人的脑洞

壮哉我大酷玩乐队,先让我吸一口viva la vida......

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看原视频MV

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日记小结

其实还有个很重要的地方没提到......搞视频的话一定要有台功能强劲的电脑。

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炎叶之町

感觉 |

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cart.php <?php /** * Custom Cart Page for WooCommerce with Selective Checkout */ if (!defined('ABSPATH')) { exit; } do_action('woocommerce_before_cart'); // Provide context for JS (no layout change) $pc_cart_is_empty = WC()->cart->is_empty(); function pc_uid_for_view() { if (is_user_logged_in()) return 'user_' . get_current_user_id(); if (empty($_COOKIE['pc_cart_uid'])) { $token = wp_generate_uuid4(); setcookie('pc_cart_uid', $token, time() + YEAR_IN_SECONDS, COOKIEPATH ?: '/', '', is_ssl(), false); $_COOKIE['pc_cart_uid'] = $token; } return 'guest_' . sanitize_text_field(wp_unslash($_COOKIE['pc_cart_uid'])); } $pc_uid = pc_uid_for_view(); // 已修正:仅在令牌存在时恢复购物车 if (method_exists(WC()->session, 'get')) { $token = WC()->session->get('pc_partial_token'); if ($token && !WC()->cart->is_empty()) { $payload = get_transient(pc_transient_key($token)); if (!empty($payload['snapshot'])) { pc_restore_cart_from_items($payload['snapshot']); WC()->cart->calculate_totals(); } } } ?> <div class="cart-page-section container" style="max-width: 1200px; margin: 0 auto;"> <form class="woocommerce-cart-form" action="<?php echo esc_url( wc_get_cart_url() ); ?>" method="post"> <?php do_action('woocommerce_before_cart_table'); ?> <?php wp_nonce_field('woocommerce-cart', 'woocommerce-cart-nonce'); ?> <table class="shop_table shop_table_responsive cart woocommerce-cart-form__contents"> <thead> <tr> <th class="product-select" style="width: 8%;"> <input type="checkbox" id="select-all-items" /> <label for="select-all-items" style="display: inline-block; margin-left: 5px; cursor: pointer;">全选</label> </th> <th class="product-info"><?php esc_html_e('Product', 'woocommerce'); ?></th> <th class="product-price"><?php esc_html_e('Price', 'woocommerce'); ?></th> <th class="product-quantity"><?php esc_html_e('Quantity', 'woocommerce'); ?></th> <th class="product-subtotal"><?php esc_html_e('Subtotal', 'woocommerce'); ?></th> <th class="product-remove"><?php esc_html_e('操作', 'woocommerce'); ?></th> </tr> </thead> <tbody> <?php do_action('woocommerce_before_cart_contents'); ?> <?php foreach ( WC()->cart->get_cart() as $cart_item_key => $cart_item ) : ?> <?php $_product = apply_filters('woocommerce_cart_item_product', $cart_item['data'], $cart_item, $cart_item_key); $product_id = apply_filters('woocommerce_cart_item_product_id', $cart_item['product_id'], $cart_item, $cart_item_key); if ( $_product && $_product->exists() && $cart_item['quantity'] > 0 && apply_filters('woocommerce_cart_item_visible', true, $cart_item, $cart_item_key) ) : $product_permalink = apply_filters('woocommerce_cart_item_permalink', $_product->is_visible() ? $_product->get_permalink($cart_item) : '', $cart_item, $cart_item_key); $line_total_value = (float) ($cart_item['line_total'] + $cart_item['line_tax']); $variation_id = isset($cart_item['variation_id']) ? (int)$cart_item['variation_id'] : 0; $variation_data = isset($cart_item['variation']) ? $cart_item['variation'] : array(); $variation_json = wp_json_encode($variation_data); ?> <tr class="woocommerce-cart-form__cart-item <?php echo esc_attr( apply_filters('woocommerce_cart_item_class', 'cart_item', $cart_item, $cart_item_key) ); ?>" data-cart_item_key="<?php echo esc_attr($cart_item_key); ?>" data-product_id="<?php echo esc_attr($product_id); ?>" data-variation_id="<?php echo esc_attr($variation_id); ?>" data-variation="<?php echo esc_attr($variation_json); ?>"> <!-- Checkbox Column --> <td class="product-select" data-title="<?php esc_attr_e('Select', 'woocommerce'); ?>"> <input type="checkbox" class="item-checkbox" name="selected_items[]" value="<?php echo esc_attr($cart_item_key); ?>" data-price="<?php echo esc_attr($line_total_value); ?>" /> </td> <!-- Product Info Column --> <td class="product-info" data-title="<?php esc_attr_e('Product', 'woocommerce'); ?>"> <div class="product-image"> <?php $thumbnail = apply_filters('woocommerce_cart_item_thumbnail', $_product->get_image(), $cart_item, $cart_item_key); if ( ! $product_permalink ) : echo $thumbnail; // PHPCS: XSS ok. else : printf('<a href="%s">%s</a>', esc_url($product_permalink), $thumbnail); // PHPCS: XSS ok. endif; ?> </div> <div class="product-name"> <?php if ( ! $product_permalink ) : echo wp_kses_post( apply_filters('woocommerce_cart_item_name', $_product->get_name(), $cart_item, $cart_item_key) . ' ' ); else : echo wp_kses_post( apply_filters('woocommerce_cart_item_name', sprintf('<a href="%s">%s</a>', esc_url($product_permalink), $_product->get_name()), $cart_item, $cart_item_key) ); endif; do_action('woocommerce_after_cart_item_name', $cart_item, $cart_item_key); echo wc_get_formatted_cart_item_data($cart_item); // PHPCS: XSS ok. ?> </div> </td> <!-- Price Column --> <td class="product-price" data-title="<?php esc_attr_e('Price', 'woocommerce'); ?>"> <?php echo apply_filters('woocommerce_cart_item_price', WC()->cart->get_product_price($_product), $cart_item, $cart_item_key); // PHPCS: XSS ok. ?> </td> <!-- Quantity Column --> <td class="product-quantity" data-title="<?php esc_attr_e('Quantity', 'woocommerce'); ?>"> <?php if ( $_product->is_sold_individually() ) : $product_quantity = sprintf('1 <input type="hidden" name="cart[%s][qty]" value="1" />', $cart_item_key); else : $product_quantity = woocommerce_quantity_input( array( 'input_name' => "cart[{$cart_item_key}][qty]", 'input_value' => $cart_item['quantity'], 'max_value' => $_product->get_max_purchase_quantity(), 'min_value' => '0', 'product_name' => $_product->get_name(), ), $_product, false ); endif; echo apply_filters('woocommerce_cart_item_quantity', $product_quantity, $cart_item_key, $cart_item); // PHPCS: XSS ok. ?> <small class="qty-status" style="display:none;margin-left:8px;color:#666;">保存中…</small> </td> <!-- Subtotal Column --> <td class="product-subtotal" data-title="<?php esc_attr_e('Subtotal', 'woocommerce'); ?>"> <?php echo apply_filters('woocommerce_cart_item_subtotal', WC()->cart->get_product_subtotal($_product, $cart_item['quantity']), $cart_item, $cart_item_key); // PHPCS: XSS ok. ?> </td> <!-- Remove Item Column --> <td class="product-remove" data-title="<?php esc_attr_e('操作', 'woocommerce'); ?>"> <?php echo apply_filters('woocommerce_cart_item_remove_link', sprintf( '<a href="%s" class="remove" aria-label="%s" data-product_id="%s" data-product_sku="%s">×</a>', esc_url( wc_get_cart_remove_url($cart_item_key) ), esc_attr__('Remove this item', 'woocommerce'), esc_attr($product_id), esc_attr($_product->get_sku()) ), $cart_item_key); ?> </td> </tr> <?php endif; ?> <?php endforeach; ?> <?php do_action('woocommerce_after_cart_contents'); ?> </tbody> </table> <?php do_action('woocommerce_after_cart_table'); ?> </form> </div> <!-- Sticky Footer --> <div class="cart-footer-actions sticky-footer" style="position: sticky; bottom: 0; background: white; padding: 15px; border-top: 1px solid #ddd; max-width: 1200px; margin: 0 auto;"> <div style="display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px;"> <div class="footer-left"> <input type="checkbox" id="footer-select-all"> <label for="footer-select-all" style="display: inline-block; margin-left: 5px; cursor: pointer;">全选</label> <button type="button" class="button" id="remove-selected-items">刪除選中的商品</button> <button type="button" class="button" id="clear-cart">清空購物車</button> </div> <div class="coupon-section"> <input type="text" name="coupon_code" class="input-text" id="coupon_code" value="" placeholder="输入优惠券代码" style="padding: 8px; width: 200px; border: 1px solid #ddd; border-radius: 4px; margin-right: 5px;" /> <button type="button" class="button" id="apply-coupon">应用优惠券</button> </div> </div> <div style="display: flex; justify-content: space-between; align-items: center;"> <div class="selected-summary" style="font-size: 16px; font-weight: bold;"> 已选商品: <span id="selected-count">0</span> 件,共计: <span id="selected-total">RM0.00</span> </div> <a href="<?php echo esc_url( wc_get_checkout_url() ); ?>" class="checkout-button button alt wc-forward" id="partial-checkout">结算</a> </div> </div> <?php do_action('woocommerce_after_cart'); ?> <style> /* Layout styles (unchanged) */ .cart-page-section { background: white; padding: 30px; border-radius: 8px; box-shadow: 0 0 10px rgba(0, 0, 0, 0.1); margin-bottom: 30px; } .cart-page-section table.cart { width: 100%; border-collapse: collapse; margin-bottom: 20px; } .cart-page-section table.cart th, .cart-page-section table.cart td { padding: 15px; text-align: left; border-bottom: 1px solid #eee; } .cart-page-section table.cart th { background-color: #f8f8f8; font-weight: bold; } .cart-page-section table.cart th.product-select, .cart-page-section table.cart td.product-select { width: 8%; text-align: center; vertical-align: middle; white-space: nowrap; } .cart-page-section table.cart td.product-info { width: 37%; vertical-align: top; } .cart-page-section table.cart .product-info .product-image { float: left; margin-right: 15px; width: 100px; height: 100px; } .cart-page-section table.cart .product-info .product-image img { max-width: 100%; height: auto; display: block; } .cart-page-section table.cart .product-info .product-name { overflow: hidden; } .cart-page-section table.cart td.product-price, .cart-page-section table.cart td.product-quantity, .cart-page-section table.cart td.product-subtotal { width: 15%; vertical-align: middle; } .cart-page-section table.cart td.product-remove { width: 5%; text-align: center; vertical-align: middle; } .cart-footer-actions { position: sticky; bottom: 0; background: #fff; padding: 15px; border-top: 1px solid #ddd; box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1); z-index: 1000; display: flex; flex-direction: column; gap: 15px; } .footer-left { display: flex; align-items: center; flex-wrap: wrap; gap: 10px; } .coupon-section { display: flex; align-items: center; gap: 5px; } .selected-summary { font-size: 16px; font-weight: bold; flex: 1; } .cart-footer-actions .button { padding: 10px 20px; background-color: #f44336; color: white; border: none; border-radius: 4px; cursor: pointer; font-size: 14px; transition: background-color 0.3s; white-space: nowrap; } .cart-footer-actions .button:hover { background-color: #d32f2f; } #partial-checkout { padding: 12px 24px; background-color: #2196F3; color: white; text-decoration: none; border-radius: 4px; display: inline-block; transition: background-color 0.3s; white-space: nowrap; text-align: center; font-weight: bold; } #partial-checkout:hover { background-color: #0b7dda; } #coupon_code { padding: 8px; width: 200px; border: 1px solid #ddd; border-radius: 4px; transition: border-color 0.3s; } #coupon_code:focus { border-color: #2196F3; outline: none; } /* Responsive (unchanged) */ @media (max-width: 768px) { .cart-page-section table.cart thead { display: none; } .cart-page-section table.cart td { display: block; width: 100% !important; text-align: right; padding: 10px; position: relative; padding-left: 50%; } .cart-page-section table.cart td::before { content: attr(data-title); position: absolute; left: 15px; font-weight: bold; text-align: left; } .cart-page-section table.cart .product-info .product-image { float: none; margin: 0 auto 10px; } .cart-page-section table.cart td.product-select::before { content: "选择"; } .cart-footer-actions { flex-direction: column; align-items: flex-start; } .footer-left { width: 100%; justify-content: space-between; } .coupon-section { width: 100%; margin-top: 10px; } .coupon-section input { flex: 1; } .cart-footer-actions .footer-bottom-row { flex-direction: column; align-items: stretch; } .selected-summary { text-align: center; margin-bottom: 10px; } #partial-checkout { width: 100%; padding: 15px; } .cart-footer-actions .button { padding: 12px 15px; margin: 5px 0; width: 100%; text-align: center; } } @media (max-width: 480px) { .cart-page-section { padding: 15px; } .cart-page-section table.cart td { padding-left: 45%; } .cart-page-section table.cart td::before { font-size: 14px; } .cart-footer-actions { padding: 10px; } #coupon_code { width: 100%; } } /* Loader overlay above quantity input */ .product-quantity .quantity { position: relative; /* anchor for overlay */ } .quantity-saving-overlay { position: absolute; top: 0; left: 0; right: 0; height: 100%; display: none; /* hidden by default */ align-items: flex-start; /* appear at top */ justify-content: center;/* centered horizontally */ padding-top: 2px; background: rgba(255,255,255,0.0); /* transparent so it doesn't dim UI */ z-index: 10; pointer-events: none; /* don't block typing/clicks when visible */ } .quantity-saving-loader { width: 20px; height: 20px; border: 3px solid #f3f3f3; border-top: 3px solid #3498db; border-radius: 50%; animation: spin 0.8s linear infinite; } @keyframes spin { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } } </style> <script> jQuery(function($){ // Context var PC = { ajax_url: (window.wc_cart_params && window.wc_cart_params.ajax_url) || '<?php echo esc_url( admin_url("admin-ajax.php") ); ?>', security: (function(){ var n = $('input[name="woocommerce-cart-nonce"]').val(); if (n) return n; if (window.wc_cart_params && window.wc_cart_params.cart_nonce) return window.wc_cart_params.cart_nonce; return '<?php echo wp_create_nonce("woocommerce-cart"); ?>'; })(), cart_is_empty: <?php echo $pc_cart_is_empty ? 'true' : 'false'; ?>, cart_uid: '<?php echo esc_js($pc_uid); ?>' }; // Keys function lsKey(name){ return 'pc_' + name + '_' + PC.cart_uid; } var LS_SELECTION = lsKey('selected_items'); var LS_MASTER = lsKey('cart_master'); // Utilities function getSelectedKeys(){ return $('.item-checkbox:checked').map(function(){ return this.value; }).get(); } function fmtRM(n){ n = isNaN(n) ? 0 : n; return 'RM' + Number(n).toFixed(2); } // Selection persistence function readSelection(){ try { return JSON.parse(localStorage.getItem(LS_SELECTION) || '[]'); } catch(e){ return []; } } function writeSelection(keys){ try { localStorage.setItem(LS_SELECTION, JSON.stringify(keys||[])); } catch(e){} } function restoreSelectionFromLS(){ var saved = readSelection(); if (!Array.isArray(saved)) saved = []; $('.item-checkbox').each(function(){ $(this).prop('checked', saved.indexOf(this.value) !== -1); }); } window.addEventListener('storage', function(ev){ if (ev.key === LS_SELECTION) { restoreSelectionFromLS(); updateSelectedSummary(); } }); // Selected summary function updateSelectedSummary(){ var total = 0, count = 0; $('.item-checkbox:checked').each(function(){ var price = parseFloat($(this).data('price')); if (!isNaN(price)) { total += price; count++; } }); $('#selected-count').text(count); $('#selected-total').text(fmtRM(total)); var totalCbs = $('.item-checkbox').length; var checkedCbs = $('.item-checkbox:checked').length; var allChecked = totalCbs > 0 && checkedCbs === totalCbs; $('#select-all-items, #footer-select-all').prop('checked', allChecked); writeSelection(getSelectedKeys()); } // Select all $('#select-all-items, #footer-select-all').off('change.sc').on('change.sc', function(){ var checked = $(this).prop('checked'); $('.item-checkbox').prop('checked', checked); updateSelectedSummary(); }); // 单个勾选项变化时,更新统计与“全选”状态 $(document).on('change', '.item-checkbox', updateSelectedSummary); // Snapshot cart DOM -> localStorage (guest resilience) function snapshotCartFromDOM() { var items = []; $('tr.cart_item').each(function(){ var $row = $(this); var pid = parseInt($row.attr('data-product_id'),10)||0; var vid = parseInt($row.attr('data-variation_id'),10)||0; var qty = parseFloat($row.find('input.qty').val())||0; var variation = {}; try { variation = JSON.parse($row.attr('data-variation')||'{}'); } catch(e){ variation = {}; } if (pid && qty > 0) { items.push({ product_id: pid, variation_id: vid, variation: variation, quantity: qty }); } }); try { localStorage.setItem(LS_MASTER, JSON.stringify({ ts: Date.now(), items: items })); } catch(e){} } function maybeRehydrateFromLocal() { if (!PC.cart_is_empty) return; var raw = localStorage.getItem(LS_MASTER); if (!raw) return; var data; try { data = JSON.parse(raw); } catch(e){ return; } var items = (data && data.items) ? data.items : []; if (!items.length) return; $.ajax({ url: PC.ajax_url, method: 'POST', dataType: 'json', data: { action: 'pc_rehydrate_cart', security: PC.security, items: JSON.stringify(items) } }).done(function(res){ if (res && res.success) { location.reload(); // display rehydrated items } }); } // AFTER $('#remove-selected-items').off('click.sc').on('click.sc', function(){ var keys = getSelectedKeys(); if (!keys.length) { alert('请选择要删除的商品'); return; } if (!confirm('确定要删除选中的商品吗?')) return; $.ajax({ url: PC.ajax_url, method: 'POST', dataType: 'json', data: { action: 'remove_selected_cart_items', selected_items: keys, security: PC.security } }).done(function(res){ if (res && res.success) { keys.forEach(function(k){ var $row = $('tr.cart_item[data-cart_item_key="'+k+'"]'); $row.fadeOut(250, function(){ $(this).remove(); snapshotCartFromDOM(); updateSelectedSummary(); }); }); // 从本地选择集合中剔除已删除项 var saved = readSelection().filter(function(k0){ return keys.indexOf(k0) === -1; }); writeSelection(saved); } else { alert((res && res.data && (res.data.message || res.data)) || '删除失败,请重试'); } }).fail(function(){ alert('删除失败,请重试'); }); }); // Clear cart // AFTER $('#clear-cart').off('click.sc').on('click.sc', function(){ if (!confirm('确定要清空购物车吗?')) return; $.ajax({ url: PC.ajax_url, method: 'POST', dataType: 'json', data: { action: 'empty_cart', security: PC.security } }).done(function(res){ if (res && res.success) { writeSelection([]); localStorage.removeItem(LS_MASTER); location.reload(); } else { alert((res && res.data && (res.data.message || res.data)) || '清空购物车失败,请重试'); } }).fail(function(){ alert('清空购物车失败,请重试'); }); }); // Apply coupon // AFTER $('#apply-coupon').off('click.sc').on('click.sc', function(){ var code = ($.trim($('#coupon_code').val()) || ''); if (!code) { alert('请输入优惠券代码'); return; } var $btn = $(this).prop('disabled', true).text('处理中...'); $.ajax({ url: PC.ajax_url, method: 'POST', dataType: 'json', data: { action: 'apply_coupon', coupon_code: code, security: PC.security } }).done(function(res){ if (res && res.success) { location.reload(); } else { alert((res && res.data && (res.data.message || res.data)) || '优惠券应用失败,请重试'); $btn.prop('disabled', false).text('应用优惠券'); } }).fail(function(){ alert('发生错误,请重试'); $btn.prop('disabled', false).text('应用优惠券'); }); }); // ---- Quantity auto-save (fixed regex + loader above input) ---- // 已修正:正确的正则表达式 function parseCartKeyFromInputName(n){ var m = (n||'').match(/^cart$$([a-zA-Z0-9_]+)$$$$qty$$$/); return m ? m[1] : null; } function ensureLoader($quantityContainer){ var $overlay = $quantityContainer.find('.quantity-saving-overlay'); if (!$overlay.length) { $overlay = $('<div class="quantity-saving-overlay"><div class="quantity-saving-loader"></div></div>'); $quantityContainer.append($overlay); } return $overlay; } var qtyTimers = {}; $(document).on('input change', 'input.qty', function(){ var $input = $(this); var key = parseCartKeyFromInputName($input.attr('name')); if (!key) return; var $row = $input.closest('tr.cart_item'); var $quantityContainer = $input.closest('.quantity'); var val = parseInt($input.val(), 10); if (isNaN(val) || val < 0) val = 0; // debounce if (qtyTimers[key]) clearTimeout(qtyTimers[key]); var $overlay = ensureLoader($quantityContainer); $overlay.hide(); qtyTimers[key] = setTimeout(function(){ $overlay.show(); $input.prop('disabled', true); $.ajax({ url: PC.ajax_url, method: 'POST', dataType: 'json', data: { action: 'update_cart_item_qty', cart_item_key: key, qty: val, security: PC.security } }).done(function(res){ if (res && res.success && res.data){ if (res.data.subtotal_html) { $row.find('td.product-subtotal').html(res.data.subtotal_html); } var $cb = $row.find('.item-checkbox'); if ($cb.length && typeof res.data.line_total_incl_tax === 'number') { $cb.attr('data-price', res.data.line_total_incl_tax); } if (val === 0 || res.data.removed) { $row.fadeOut(300, function(){ $(this).remove(); snapshotCartFromDOM(); updateSelectedSummary(); }); } else { snapshotCartFromDOM(); updateSelectedSummary(); } } else { var msg = (res && res.data && (res.data.message || res.data)) || '数量更新失败'; alert(msg); } }).fail(function(){ alert('数量更新失败,请重试'); }).always(function(){ $overlay.hide(); $input.prop('disabled', false); }); }, 500); // 0.5s debounce }); // Partial checkout -> regular checkout page $('#partial-checkout').off('click.sc').on('click.sc', function(e){ e.preventDefault(); var keys = getSelectedKeys(); if (!keys.length) { alert('请至少选择一件商品结算'); return; } var $btn = $(this), t = $btn.text(); $btn.prop('disabled', true).text('创建订单中...'); snapshotCartFromDOM(); $.ajax({ url: PC.ajax_url, method: 'POST', dataType: 'json', data: { action: 'create_direct_order', selected_items: keys, security: PC.security } }).done(function(res){ if (res && res.success && res.data && res.data.checkout_url) { window.location.href = res.data.checkout_url; // /checkout/?pc_token=... } else { alert((res && res.data && (res.data.message || res.data)) || '创建订单失败,请重试'); $btn.prop('disabled', false).text(t); } }).fail(function(xhr){ var msg = '创建订单失败'; if (xhr && xhr.responseJSON && xhr.responseJSON.data) { msg += ':' + (xhr.responseJSON.data.message || xhr.responseJSON.data); } alert(msg); $btn.prop('disabled', false).text(t); }); }); // Keep LS selection after clicking "x" remove; also snapshot $(document).on('click', 'a.remove', function(){ var key = $(this).closest('tr.cart_item').attr('data-cart_item_key'); if (key) { var saved = readSelection().filter(function(k){ return k !== key; }); writeSelection(saved); snapshotCartFromDOM(); } }); // Init restoreSelectionFromLS(); updateSelectedSummary(); snapshotCartFromDOM(); maybeRehydrateFromLocal(); }); // NEW: Real-time cart count updater function updateHeaderCartCount() { $.ajax({ url: PC.ajax_url, method: 'POST', data: { action: 'get_cart_count', security: PC.security }, success: function(response) { if (response.success) { $('.cart-count').text(response.count); } } }); } // Update on cart changes $(document).on('cart_updated', function() { updateHeaderCartCount(); }); // Initial update updateHeaderCartCount(); }); </script> functions.php <?php defined('ABSPATH') || exit; /** * Robust partial checkout to regular /checkout/ with durable cart snapshot * - Snapshot full cart before virtualizing selection for checkout * - Do not remove anything until order is created * - On success (thank-you), rebuild cart as (snapshot - purchased) * - On cancel/back (visit cart), restore snapshot * - Guest resilience: localStorage + rehydrate AJAX */ /* ------------------------------------------------- * Helpers * ------------------------------------------------- */ /** * 新增:购物车数量AJAX端点 */ add_action('wp_ajax_get_cart_count', 'pc_get_cart_count'); add_action('wp_ajax_nopriv_get_cart_count', 'pc_get_cart_count'); function pc_get_cart_count() { check_ajax_referer('woocommerce-cart', 'security'); $count = WC()->cart->get_cart_contents_count(); wp_send_json_success(array('count' => $count)); } function pc_get_cart_uid() { if (is_user_logged_in()) { return 'user_' . get_current_user_id(); } if (empty($_COOKIE['pc_cart_uid'])) { $token = wp_generate_uuid4(); setcookie('pc_cart_uid', $token, time() + YEAR_IN_SECONDS, COOKIEPATH ?: '/', '', is_ssl(), false); $_COOKIE['pc_cart_uid'] = $token; } return 'guest_' . sanitize_text_field(wp_unslash($_COOKIE['pc_cart_uid'])); } function pc_build_item_key($product_id, $variation_id = 0) { return (int)$product_id . '|' . (int)$variation_id; } function pc_snapshot_current_cart() { if (!WC()->cart) wc_load_cart(); $items = array(); foreach (WC()->cart->get_cart() as $ci_key => $ci) { $pid = isset($ci['product_id']) ? (int)$ci['product_id'] : 0; $vid = isset($ci['variation_id']) ? (int)$ci['variation_id'] : 0; $qty = isset($ci['quantity']) ? wc_stock_amount($ci['quantity']) : 0; $var = isset($ci['variation']) && is_array($ci['variation']) ? $ci['variation'] : array(); if ($pid && $qty > 0) { $items[] = array( 'product_id' => $pid, 'variation_id' => $vid, 'variation' => array_map('wc_clean', $var), 'quantity' => $qty, ); } } return $items; } function pc_restore_cart_from_items($items) { if (!WC()->cart) wc_load_cart(); WC()->cart->empty_cart(); foreach ((array)$items as $it) { $pid = isset($it['product_id']) ? (int)$it['product_id'] : 0; $vid = isset($it['variation_id']) ? (int)$it['variation_id'] : 0; $qty = isset($it['quantity']) ? wc_stock_amount($it['quantity']) : 0; $var = isset($it['variation']) && is_array($it['variation']) ? array_map('wc_clean', $it['variation']) : array(); if ($pid && $qty > 0) { WC()->cart->add_to_cart($pid, $qty, $vid, $var); } } WC()->cart->calculate_totals(); } function pc_transient_key($token) { return 'pc_partial_payload_' . sanitize_key($token); } /* ------------------------------------------------- * AJAX: Local rehydrate when Woo cart is empty * ------------------------------------------------- */ add_action('wp_ajax_pc_rehydrate_cart', 'pc_rehydrate_cart'); add_action('wp_ajax_nopriv_pc_rehydrate_cart', 'pc_rehydrate_cart'); function pc_rehydrate_cart() { check_ajax_referer('woocommerce-cart', 'security'); $raw = isset($_POST['items']) ? wp_unslash($_POST['items']) : ''; $items = is_string($raw) ? json_decode($raw, true) : (array)$raw; if (!is_array($items)) { wp_send_json_error(array('message' => 'Invalid items.'), 400); } if (!WC()->cart) wc_load_cart(); if (!WC()->cart->is_empty()) { wp_send_json_success(array('message' => 'Cart not empty.')); } foreach ($items as $it) { $pid = isset($it['product_id']) ? (int)$it['product_id'] : 0; $vid = isset($it['variation_id']) ? (int)$it['variation_id'] : 0; $qty = isset($it['quantity']) ? wc_stock_amount($it['quantity']) : 0; $var = isset($it['variation']) && is_array($it['variation']) ? array_map('wc_clean', $it['variation']) : array(); if ($pid && $qty > 0) { WC()->cart->add_to_cart($pid, $qty, $vid, $var); } } WC()->cart->calculate_totals(); wp_send_json_success(array('rehydrated' => true)); } /* ------------------------------------------------- * AJAX: Update qty (per-row; no page reload) * ------------------------------------------------- */ add_action('wp_ajax_update_cart_item_qty', 'pc_update_cart_item_qty'); add_action('wp_ajax_nopriv_update_cart_item_qty', 'pc_update_cart_item_qty'); function pc_update_cart_item_qty() { check_ajax_referer('woocommerce-cart', 'security'); $key = isset($_POST['cart_item_key']) ? wc_clean(wp_unslash($_POST['cart_item_key'])) : ''; $qty = isset($_POST['qty']) ? wc_stock_amount($_POST['qty']) : null; if (!$key || $qty === null) { wp_send_json_error(array('message' => 'Missing params.'), 400); } if (!WC()->cart) wc_load_cart(); if ($qty <= 0) { $removed = WC()->cart->remove_cart_item($key); WC()->cart->calculate_totals(); wp_send_json_success(array('removed' => (bool)$removed)); } else { $set = WC()->cart->set_quantity($key, $qty, true); WC()->cart->calculate_totals(); $cart_item = WC()->cart->get_cart_item($key); if (!$cart_item) { wp_send_json_error(array('message' => 'Cart item not found after update.'), 404); } $_product = $cart_item['data']; $subtotal_html = apply_filters( 'woocommerce_cart_item_subtotal', WC()->cart->get_product_subtotal($_product, $cart_item['quantity']), $cart_item, $key ); // Use line_total + line_tax (after totals) for checkbox data-price $line_total_incl_tax = (float)($cart_item['line_total'] + $cart_item['line_tax']); wp_send_json_success(array( 'subtotal_html' => $subtotal_html, 'line_total_incl_tax' => $line_total_incl_tax, 'removed' => false, )); } } /* ------------------------------------------------- * AJAX: Remove selected * ------------------------------------------------- */ add_action('wp_ajax_remove_selected_cart_items', 'pc_remove_selected_cart_items'); add_action('wp_ajax_nopriv_remove_selected_cart_items', 'pc_remove_selected_cart_items'); function pc_remove_selected_cart_items() { check_ajax_referer('woocommerce-cart', 'security'); $keys = isset($_POST['selected_items']) ? (array) $_POST['selected_items'] : array(); if (!WC()->cart) wc_load_cart(); foreach ($keys as $k) { $k = wc_clean(wp_unslash($k)); WC()->cart->remove_cart_item($k); } WC()->cart->calculate_totals(); wp_send_json_success(true); } /* ------------------------------------------------- * AJAX: Empty cart * ------------------------------------------------- */ add_action('wp_ajax_empty_cart', 'pc_empty_cart'); add_action('wp_ajax_nopriv_empty_cart', 'pc_empty_cart'); function pc_empty_cart() { check_ajax_referer('woocommerce-cart', 'security'); if (!WC()->cart) wc_load_cart(); WC()->cart->empty_cart(); wp_send_json_success(true); } /* ------------------------------------------------- * AJAX: Apply coupon * ------------------------------------------------- */ add_action('wp_ajax_apply_coupon', 'pc_apply_coupon'); add_action('wp_ajax_nopriv_apply_coupon', 'pc_apply_coupon'); function pc_apply_coupon() { check_ajax_referer('woocommerce-cart', 'security'); $code = isset($_POST['coupon_code']) ? wc_format_coupon_code(wp_unslash($_POST['coupon_code'])) : ''; if (!$code) { wp_send_json_error(array('message' => __('请输入优惠券代码', 'woocommerce')), 400); } if (!WC()->cart) wc_load_cart(); $applied = WC()->cart->apply_coupon($code); WC()->cart->calculate_totals(); if (is_wp_error($applied)) { wp_send_json_error(array('message' => $applied->get_error_message()), 400); } if (!$applied) { wp_send_json_error(array('message' => __('优惠券应用失败', 'woocommerce')), 400); } wp_send_json_success(true); } /* ------------------------------------------------- * AJAX: Start partial checkout to regular checkout page * ------------------------------------------------- */ add_action('wp_ajax_create_direct_order', 'pc_create_direct_order'); add_action('wp_ajax_nopriv_create_direct_order', 'pc_create_direct_order'); function pc_create_direct_order() { check_ajax_referer('woocommerce-cart', 'security'); $selected_keys = isset($_POST['selected_items']) ? (array) $_POST['selected_items'] : array(); if (empty($selected_keys)) { wp_send_json_error(array('message' => __('请选择要结算的商品', 'woocommerce')), 400); } if (!WC()->cart) wc_load_cart(); // Snapshot full cart $snapshot = pc_snapshot_current_cart(); // Build selected items from current cart based on cart_item_key list $selected = array(); foreach (WC()->cart->get_cart() as $ci_key => $ci) { if (!in_array($ci_key, $selected_keys, true)) { continue; } $pid = (int)$ci['product_id']; $vid = (int)$ci['variation_id']; $qty = wc_stock_amount($ci['quantity']); $var = isset($ci['variation']) && is_array($ci['variation']) ? array_map('wc_clean', $ci['variation']) : array(); if ($pid && $qty > 0) { $selected[] = array( 'product_id' => $pid, 'variation_id' => $vid, 'variation' => $var, 'quantity' => $qty, ); } } if (empty($selected)) { wp_send_json_error(array('message' => __('没有可结算的商品', 'woocommerce')), 400); } $token = wp_generate_uuid4(); $payload = array( 'uid' => pc_get_cart_uid(), 'snapshot' => $snapshot, 'selected' => $selected, 'created' => time(), ); set_transient(pc_transient_key($token), $payload, 2 * DAY_IN_SECONDS); // Put token in session (used across checkout AJAX calls) if (method_exists(WC()->session, 'set')) { WC()->session->set('pc_partial_token', $token); } $checkout_url = add_query_arg('pc_token', rawurlencode($token), wc_get_checkout_url()); wp_send_json_success(array('checkout_url' => $checkout_url)); } /* ------------------------------------------------- * Virtualize cart on checkout for token and rebuild after purchase * ------------------------------------------------- */ // Entering checkout with token: virtualize cart to selected items add_action('woocommerce_before_checkout_form', function() { if (!isset($_GET['pc_token'])) return; $token = sanitize_text_field(wp_unslash($_GET['pc_token'])); $payload = get_transient(pc_transient_key($token)); if (empty($payload) || empty($payload['selected'])) return; if (!WC()->cart) wc_load_cart(); // Virtualize to selected items only pc_restore_cart_from_items($payload['selected']); // Persist token in session for all subsequent checkout AJAX calls if (method_exists(WC()->session, 'set')) { WC()->session->set('pc_partial_token', $token); } }, 1); // Safety: just-in-time re-virtualization before order processing add_action('woocommerce_before_checkout_process', function() { if (!method_exists(WC()->session, 'get')) return; $token = WC()->session->get('pc_partial_token'); if (!$token) return; $payload = get_transient(pc_transient_key($token)); if (empty($payload) || empty($payload['selected'])) return; // Ensure cart still equals selected set pc_restore_cart_from_items($payload['selected']); }, 1); // Tag order with token add_action('woocommerce_checkout_create_order', function($order) { $token = null; if (isset($_GET['pc_token'])) { $token = sanitize_text_field(wp_unslash($_GET['pc_token'])); } elseif (method_exists(WC()->session, 'get')) { $token = WC()->session->get('pc_partial_token'); } if ($token) { $order->update_meta_data('_pc_partial_token', $token); $order->update_meta_data('_pc_cart_snapshot', $token); } }, 10, 1); // Fixed: Only remove purchased items from cart add_action('woocommerce_thankyou', function($order_id) { $order = wc_get_order($order_id); if (!$order) return; $token = $order->get_meta('_pc_partial_token'); if (!$token) return; $payload = get_transient(pc_transient_key($token)); if (empty($payload) || empty($payload['snapshot'])) { if (method_exists(WC()->session, 'set')) { WC()->session->set('pc_partial_token', null); } delete_transient(pc_transient_key($token)); return; } // 1. Restore FULL snapshot (all items) pc_restore_cart_from_items($payload['snapshot']); WC()->cart->calculate_totals(); // 2. Remove only the purchased (selected) items foreach ($payload['selected'] as $selected_item) { $cart_item_key = pc_find_cart_item($selected_item['product_id'], $selected_item['variation_id']); if ($cart_item_key) { WC()->cart->remove_cart_item($cart_item_key); } } // 3. Update cart totals WC()->cart->calculate_totals(); // Cleanup token if (method_exists(WC()->session, 'set')) { WC()->session->set('pc_partial_token', null); } delete_transient(pc_transient_key($token)); }, 20); // Helper: Find cart item by product and variation ID function pc_find_cart_item($product_id, $variation_id = 0) { if (!WC()->cart) wc_load_cart(); foreach (WC()->cart->get_cart() as $cart_item_key => $cart_item) { $cart_pid = isset($cart_item['product_id']) ? (int)$cart_item['product_id'] : 0; $cart_vid = isset($cart_item['variation_id']) ? (int)$cart_item['variation_id'] : 0; if ($cart_pid == $product_id && $cart_vid == $variation_id) { return $cart_item_key; } } return false; } // Visiting cart with active token: restore full snapshot (cancel/back) add_action('woocommerce_before_cart', function() { if (!method_exists(WC()->session, 'get')) return; $token = WC()->session->get('pc_partial_token'); if (!$token) return; $payload = get_transient(pc_transient_key($token)); if (empty($payload) || empty($payload['snapshot'])) return; // Restore full snapshot so cart page always shows everything pc_restore_cart_from_items($payload['snapshot']); }, 1); /* ------------------------------------------------- * Keep cart count accurate during checkout process * ------------------------------------------------- */ add_filter('woocommerce_cart_contents_count', function($count) { // Check if partial token exists if (!method_exists(WC()->session, 'get')) return $count; $token = WC()->session->get('pc_partial_token'); if ($token) { $payload = get_transient(pc_transient_key($token)); // Always show full cart count even during checkout if (!empty($payload['snapshot'])) { $snapshot_count = 0; foreach ($payload['snapshot'] as $item) { $snapshot_count += (int)$item['quantity']; } return $snapshot_count; } } return $count; }); // Ensure cart item totals are accurate in header add_action('woocommerce_before_cart', function() { pc_maintain_cart_consistency(); }); add_action('woocommerce_before_checkout_form', function() { pc_maintain_cart_consistency(); }); function pc_maintain_cart_consistency() { if (!method_exists(WC()->session, 'get')) return; $token = WC()->session->get('pc_partial_token'); if (!$token) return; $payload = get_transient(pc_transient_key($token)); if (empty($payload) || empty($payload['snapshot'])) return; // Immediately restore full cart for consistent UI pc_restore_cart_from_items($payload['snapshot']); WC()->cart->calculate_totals(); } My 全选 刪除選中的商品 清空購物車 输入优惠券代码 应用优惠券 已选商品: 0 件,共计: RM0.00 is not working. Either the javascript or functions have problem. Please check and show me the original code to be replaced and provide me the code to replace with.
09-06
(1)普通用户端(全平台) 音乐播放核心体验: 个性化首页:基于 “听歌历史 + 收藏偏好” 展示 “推荐歌单(每日 30 首)、新歌速递、相似曲风推荐”,支持按 “场景(通勤 / 学习 / 运动)” 切换推荐维度。 播放页功能:支持 “无损音质切换、倍速播放(0.5x-2.0x)、定时关闭、歌词逐句滚动”,提供 “沉浸式全屏模式”(隐藏冗余控件,突出歌词与专辑封面)。 多端同步:自动同步 “播放进度、收藏列表、歌单” 至所有登录设备(如手机暂停后,电脑端打开可继续播放)。 音乐发现与管理: 智能搜索:支持 “歌曲名 / 歌手 / 歌词片段” 搜索,提供 “模糊匹配(如输入‘晴天’联想‘周杰伦 - 晴天’)、热门搜索词推荐”,结果按 “热度 / 匹配度” 排序。 歌单管理:创建 “公开 / 私有 / 加密” 歌单,支持 “批量添加歌曲、拖拽排序、一键分享到社交平台”,系统自动生成 “歌单封面(基于歌曲风格配色)”。 音乐分类浏览:按 “曲风(流行 / 摇滚 / 古典)、语言(国语 / 英语 / 日语)、年代(80 后经典 / 2023 新歌)” 分层浏览,每个分类页展示 “TOP50 榜单”。 社交互动功能: 动态广场:查看 “关注的用户 / 音乐人发布的动态(如‘分享新歌感受’)、好友正在听的歌曲”,支持 “点赞 / 评论 / 转发”,可直接点击动态中的歌曲播放。 听歌排行:个人页展示 “本周听歌 TOP10、累计听歌时长”,平台定期生成 “全球 / 好友榜”(如 “好友中你本周听歌时长排名第 3”)。 音乐圈:加入 “特定曲风圈子(如‘古典音乐爱好者’)”,参与 “话题讨论(如‘你心中最经典的钢琴曲’)、线上歌单共创”。 (2)音乐人端(创作者中心) 作品管理: 音乐上传:支持 “无损音频(FLAC/WAV)+ 歌词文件(LRC)+ 专辑封面” 上传,填写 “歌曲信息
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