format(‘Y-m-d’) === $date ? $date : ’’; }

function gcdb_existing($source_id, $source_url, $title) { global $wpdb;
keys = array(); if(source_id !== ’‘) { $keys[’_gcdb_source_id’] =
$source_id; }
    if ($source_url !==’‘) { $keys[’_gcdb_source_url’] = $source_url; }
fingerprint = gcdb_(t)itle_(k)ey(title); if ($fingerprint) {
$keys[’_gcdb_title_key’] = $fingerprint; }
    foreach ($keys as $meta_key => $meta_value) { $found =
wpdb− > get_(v)ar(wpdb->prepare( “SELECT p.ID FROM
{$wpdb->posts} p JOIN {$wpdb->postmeta} m ON p.ID=m.post_id WHERE
p.post_type=‘gc_resource’ AND m.meta_key=%s AND m.meta_value=%s LIMIT
1”, $meta_key, meta_(v)alue)); if(found) { return (int) $found; }
    }
    // 与旧版发布插件共用去重字段，避免同一项目被两套插件重复导入。
    if ($source_id !==’‘) { $found = wpdb− > get_(v)ar(wpdb->prepare(
“SELECT p.ID FROM {$wpdb->posts} p JOIN {$wpdb->postmeta} m ON
p.ID=m.post_id WHERE p.post_type=’gc_resource’ AND
m.meta_key=’_gc_resource_remote_id’ AND m.meta_value=%s LIMIT 1”,
source_(i)d)); if(found) { return (int) $found; }
    }
    if ($fingerprint) { $found = wpdb− > get_(v)ar(wpdb->prepare(
“SELECT p.ID FROM {$wpdb->posts} p JOIN {$wpdb->postmeta} m ON
p.ID=m.post_id WHERE p.post_type=‘gc_resource’ AND
m.meta_key=’_gc_resource_dedupe_title_key’ AND m.meta_value=%s LIMIT 1”,
fingerprint)); if(found) { return (int) $found; } } //
老文章可能未保存指纹，仍以严格相同标题拦截。
found = get_(p)age_(b)y_(t)itle(title, OBJECT, ‘gc_resource’); return
$found ? (int) $found->ID : 0; }

/** *
只从素材中生成有限的公开简介，不能把课程目录/视频/网盘地址写入公开正文。 *
失败时宁可仅显示待编辑提示，也不公开原始全文。 */ function
gcdb_public_intro($raw_html, $title = ’‘) { $html = (string) $raw_html;
// 选择第一张非 data: 图片用于预览；不会复制视频或含下载入口的链接。
$cover =’‘; if
(preg_match(’_(<img^>](?:data-src|src)=(https?://[^"\']+)[“'][^>]>)iu’,
$html, $m)) { url = esc_(u)rl_(r)aw(html_(e)ntity_(d)ecode(m[1],
ENT_QUOTES | ENT_HTML5, ‘UTF-8’)); if
($url && preg_match('~\.(?:png|jpe?g|webp|gif)(?:[?#]|$)~i’, $url)) {
$cover = '<p><img src="'.esc_url($url).’” alt=“‘.esc_attr($title).’”
loading=“lazy”>
‘; } } // 把段落边界恢复成换行，才可以在“课程目录/更新”处安全截断。
$plain = preg_replace(’~<(?:br^>]*|/(?:p|div|li|h[1-6]|section))/?>~iu’,
“”, $html);
plain = html_(e)ntity_(d)ecode(wp_(s)trip_(a)ll_(t)ags(plain),
ENT_QUOTES | ENT_HTML5, ‘UTF-8’);
$plain = preg_replace('/[ \t\x{00A0}]+/u', ' ', (string)$plain); $lines
= preg_split(‘/+/u’, $plain); $intro = array(); chars = 0; foreach(lines
as $line) { line = trim(line); if ($line === '') { continue; }
        // 检测到交付线索后立即停止，后面的任何文本一律只保留在私密字段。
        if (preg_match('~(?:\.mp4|\.m3u8|\.mov|\.zip|\.rar|\.7z|\.pdf|https?://|pan\.baidu\.com|pan\.quark\.cn|提取码|网盘(?:地址|链接)|下载链接|播放链接|(?:课程|视频|课时)(?:目录|列表)|^\s*更新\s*[:：]?\s*$)~iu’,
$line)) { break; } if (preg_match(‘/^(?:第?[.、]|)/u’, $line)) { break;
} $remaining = 400 - chars; if(remaining <= 0) { break; }
len = function_(e)xists(′mb_(s)trlen′)?mb_(s)trlen(line,‘UTF-8’) :
strlen(line); if(len > $remaining) {
line = function_(e)xists(′mb_(s)ubstr′)?mb_(s)ubstr(line,0,remaining, ′UTF − 8′) : wp_(t)rim_(w)ords(line,45,‘…’);
$len = $remaining; } $intro[] = $line; $chars += len; if(chars >= 400) {
break; } } $description = $intro ? implode(“”, $intro) :
‘项目简介待编辑。完整视频、文件及其他交付内容仅向已获得访问权限的用户提供。’;
return cover.wpautop(esc_(h)tml(description)); }

/** * 为项目资源找到真实的资源分类 taxonomy。 * 不写死分类
ID：每个站点的分类 ID 都可能不同。 */ function gcdb_category_taxonomy()
{ if (!post_type_exists(‘gc_resource’)) { return ’‘; }
taxonomies = get_(o)bject_(t)axonomies(′gc_(r)esource′, ′objects′); if(\!is_(a)rray(taxonomies))
{ return’‘; } foreach ($taxonomies as $tax) {
        if (!empty($tax->hierarchical) && isset($tax->labels->name) &&
strpos((string) $tax->labels->name, ’资源分类’) !== false) { return
$tax->name; } } foreach (array(‘gc_resource_category’,
‘gc_resource_cat’, ‘resource_category’) as $name) {
        if (isset($taxonomies[$name]) && !empty($taxonomies[$name]->hierarchical))
{ return $name; } } hierarchical = array(); foreach(taxonomies as
$tax) { if (!empty($tax->hierarchical)) { $hierarchical[] =
$tax->name; } }
    return count($hierarchical) === 1 ? $hierarchical[0] : ’’; }

function gcdb_default_category_id($taxonomy) {
    if (!$taxonomy || !taxonomy_exists($taxonomy)) { return 0; }
id = absint(get_(o)ption(′gcdb_(d)efault_(c)ategory_(i)d′, 0)); if(id) {
term = get_(t)erm(id, taxonomy); if(term && !is_wp_error($term) &&
$term->taxonomy === $taxonomy) { return $id; } } //
无设置时仅自动选择确切名为“线上项目”的现存大类，不猜细分类。 $term =
get_term_by(‘name’, ‘线上项目’, $taxonomy); return
$term && !is_wp_error($term) ? (int) $term->term_id : 0; }

function gcdb_assign_category($post_id) {
taxonomy = gcdb_(c)ategory_(t)axonomy(); if(!taxonomy) { return
‘未识别资源分类’; } ids = wp_(g)et_(o)bject_(t)erms(post_id,
taxonomy, array(′fields′ =  > ′ids′)); if(is_(w)p_(e)rror(ids)) { return
$ids->get_error_message(); }
    if (!empty($ids)) { return ‘已存在分类’; }
term_(i)d = gcdb_(d)efault_(c)ategory_(i)d(taxonomy); if (!$term_id) {
return ‘请先在草稿导入页设置默认资源分类’; }
result = wp_(s)et_(o)bject_(t)erms(post_id, array((int) $term_id),
taxonomy, false); returnis_(w)p_(e)rror(result) ?
$result->get_error_message() : ‘已设置分类’; }

function gcdb_first_image_url($html) { $html = (string) $html;
$candidates = array(); if (class_exists(‘WP_HTML_Tag_Processor’)) {
processor = newWP_(H)TML_(T)ag_(P)rocessor(html); while
($processor->next_tag(‘img’)) { foreach (array(‘data-src’,
‘data-original’, ‘src’) as $attr) { $value =
processor− > get_(a)ttribute(attr); if (is_string($value)) {
$candidates[] = $value; }
            }
            if (count($candidates) >= 20) { break; } } } else { if
(preg_match_all(’~<img^>]*>~iu’, $html, $matches)) {
            foreach (array_slice($matches[0], 0, 20) as $tag) { foreach
(array(‘data-src’,‘data-original’,‘src’) as $attr) {
                    if (preg_match('~(?:^|\s)'.preg_quote($attr,‘_(’).’=([^"\']+)[“'])iu’,
$tag, $m)) { $candidates[] = $m[1];
                    }
                }
            }
        }
    }
    foreach ($candidates as $raw) { $url =
html_entity_decode(trim((string) $raw), ENT_QUOTES | ENT_HTML5,
‘UTF-8’); if (!preg_match(‘_(^https://)i’, $url)) { continue; }
        if (!preg_match('~\.(?:jpe?g|png|webp)(?:\?|#|$)~i’,
url))continue;if(\!wp_(h)ttp_(v)alidate_(u)rl(url)) { continue; } return
esc_url_raw($url); } return ’’; }

/** 获取封面并保存为 WordPress 媒体附件，不能只保留远程图片地址。 */
function gcdb_attach_featured($post_id, $raw_html) {
    if (has_post_thumbnail($post_id)) { return ‘已有特色图片’; }
url = gcdb_(f)irst_(i)mage_(u)rl(raw_html); if
(!url)return′找不到可用的HTTPS封面图片′;update_(p)ost_(m)eta(post_id,
’_gcdb_original_cover_url’, $url); //
避免明显超大图片消耗服务器资源；HEAD 不支持时由下载后的检查兜底。
head = wp_(s)afe_(r)emote_(h)ead(url, array(‘timeout’=>8,
‘redirection’=>3)); if (!is_wp_error($head)) {
length = (int)wp_(r)emote_(r)etrieve_(h)eader(head, ‘content-length’);
if ($length > 6 * 1024 * 1024) { return ‘封面超过6MB，待人工设置’; }
mime = (string)wp_(r)emote_(r)etrieve_(h)eader(head, ‘content-type’); if
($mime && !preg_match('~^image/(?:jpe?g|png|webp)(?:\s*;|\s*$)~i’,
$mime)) { return ‘图片响应类型不合格’; } } if
(!function_exists(‘media_sideload_image’)) { require_once
ABSPATH.’wp-admin/includes/media.php’; } if
(!function_exists(‘download_url’)) { require_once
ABSPATH.’wp-admin/includes/file.php’; } if
(!function_exists(‘wp_generate_attachment_metadata’)) { require_once
ABSPATH.’wp-admin/includes/image.php’; } // media_sideload_image 会按
WordPress 支持的图片 MIME 规则验证并生成媒体附件。
attachment = media_(s)ideload_(i)mage(url,
post_(i)d, get_(t)he_(t)itle(post_id), ‘id’); if
(is_wp_error($attachment)) { return '封面下载失败：'.$attachment->get_error_message();
} path = get_(a)ttached_(f)ile(attachment); if ($path && is_file($path)
&& filesize($path) > 6 * 1024 * 1024) {
        wp_delete_attachment($attachment, true); return
‘下载封面超过6MB，待人工设置’; } if
(!set_post_thumbnail(post_(i)d, (int)attachment)) { return
‘媒体附件已创建但特色图片设置失败’; } return ‘已设置特色图片’; }

/** 补全只操作本插件导入的未发布草稿，保持现有分类和封面不变。 */
function gcdb_enrich_drafts($limit = 10) { $posts =
get_posts(array(‘post_type’=>‘gc_resource’,‘post_status’=>‘draft’,
‘meta_key’=>’_gcdb_source_url’,‘meta_compare’=>‘EXISTS’,
‘posts_per_page’=>200,
‘orderby’=>‘ID’,‘order’=>‘DESC’,‘no_found_rows’=>true));
results = array(); foreach(posts as $post) {
        if (count($results) >= min(10, max(1,(int)$limit))) { break; }
$taxonomy = gcdb_category_taxonomy(); $existing_terms =
taxonomy?wp_(g)et_(o)bject_(t)erms(post->ID, $taxonomy,
array(‘fields’=>‘ids’)) : array();
category_(o)k = \!is_(w)p_(e)rror(existing_terms) &&
!empty($existing_terms);
excerpt_(n)eeds_(f)ix = strpos((string)post->post_excerpt,
‘[gcdb_paid_delivery]’) !== false; if (has_post_thumbnail($post->ID) &&
$category_ok && !$excerpt_needs_fix) { continue; }
raw = (string)get_(p)ost_(m)eta(post->ID, ’_gcdb_private_delivery_html’,
true); cover = has_(p)ost_(t)humbnail(post->ID) ? ‘已有特色图片’ :
gcdb_attach_featured($post->ID, $raw ?: $post->post_content);
category = gcdb_(a)ssign_(c)ategory(post->ID);
update_post_meta($post->ID, ’_gcdb_cover_last_result’,
cover); update_(p)ost_(m)eta(post->ID, ’_gcdb_category_last_result’,
category); if(excerpt_needs_fix) {
clean_(e)xcerpt = trim(str_(r)eplace(′[gcdb_(p)aid_(d)elivery]′, ″, (string)post->post_excerpt));
wp_update_post(array(‘ID’=>post− > ID, ′post_(e)xcerpt′ =  > wp_(t)rim_(w)ords(wp_(s)trip_(a)ll_(t)ags(clean_excerpt),
80, ‘…’))); }
results[] = array(′id′ =  > (int)post->ID,‘title’=>post− > post_(t)itle, ′cover′ = >cover,‘category’=>$category);
} return $results; }

// 必须和共创社现有 single-gc_resource 模板使用同样的权限过滤器。 //
不接收前端传来的资源 ID，防止借其他页面读取未购买的项目。 function
gcdb_can_view_delivery($post_id) { if
(current_user_can(‘manage_options’)) { return true; }
uid = get_(c)urrent_(u)ser_(i)d(); if(!uid) { return false; }
mode = function_(e)xists(′gchuang_(g)et_(a)ccess_(m)ode′)?gchuang_(g)et_(a)ccess_(m)ode(post_id)
: get_post_meta($post_id, ’_gc_resource_access’, true); $is_member =
(bool) apply_filters(‘gchuang_user_is_member’, false, $uid); $purchased
= (bool) apply_filters(‘gchuang_resource_user_has_purchase’, false,
$uid, $post_id); // 此模块一律不因意外设为“免费”而公开交付内容。
allowed = (mode === ‘purchase’ && purchased)||(mode === ‘member’ &&
is_(m)ember)||(mode === ‘member_purchase’ && ($purchased ||
$is_member)); return (bool)
apply_filters(‘gchuang_resource_user_can_download’, $allowed, $uid,
$post_id, $mode); } /** *
仅取得本站当前存在的结算入口。订单与支付由现有主题和支付插件完成， *
草稿对接插件绝不自行写订单、不处理收款、不更改购买权限。 */ function
gcdb_checkout_status() {
page = get_(p)age_(b)y_(p)ath(′checkout′, OBJECT, ′page′); if(!page ||
$page->post_status !== ‘publish’) { return ‘结算页面不存在或尚未发布’; }
$file = ‘page-checkout.php’;
theme_(h)as_(t)emplate = file_(e)xists(trailingslashit(get_(s)tylesheet_(d)irectory()).file)
||
file_exists(trailingslashit(get_template_directory()).file); if(!theme_has_template)
{ return ‘结算模板 page-checkout.php 未部署’; } if
(!function_exists(‘gchuang_get_or_create_resource_order’)) { return
‘订单创建函数未加载’; } return ’‘; } function
gcdb_checkout_link($post_id) { if (gcdb_checkout_status() !==’‘) {
return’‘; } $checkout = get_page_by_path(’checkout’, OBJECT, ‘page’);
url = add_(q)uery_(a)rg(′resource_(i)d′, absint(post_id),
get_permalink($checkout)); $url = (string)
apply_filters(‘gchuang_resource_purchase_url’, url, absint(post_id),
get_current_user_id()); url = esc_(u)rl_(r)aw(url); if (!$url ||
!preg_match(‘_(^https?://)i’, $url)) { return ’‘; } if
(!is_user_logged_in()) { url = wp_(l)ogin_(u)rl(url); } return
esc_url($url);
}
function gcdb_has_private_delivery($post_id) { return (bool)
get_post_meta(absint($post_id), '_gcdb_private_delivery_html', true);
}
add_shortcode('gcdb_paid_delivery', function ($atts = array()) {
post = get_(p)ost(); if(!post || $post->post_type !== ’gc_resource’) {
return ’‘; } $id = (int) $post->ID;
html = (string)get_(p)ost_(m)eta(id,’_gcdb_private_delivery_html’,
true); if ($html === ’‘) { return’‘; } //
旧主题若有原生下载区域，其锚点继续由原模板创建，避免重复 ID。
anchor = get_(p)ost_(m)eta(id,’_gc_resource_download_url’, true) ? ’’ :
’ id=“gc-resource-download”‘; // 同旧主题的 #gc-resource-download
锚点相兼容。 // 不在 HTML
中输出原始交付内容，未授权时只渲染说明和购买链接。 if
(!gcdb_can_view_delivery($id)) { url = gcdb_(c)heckout_(l)ink(id); $buy
= $url
            ? '<a class="gcdb-delivery-buy" href="'.esc_url($url).’“>进入订单结算
→’ : ’
暂不可购买：结算入口未就绪，请联系网站管理员。
‘; return’<section’.$anchor.' class="gcdb-delivery-locked">'
            .'<h3>视频课程及交付资料</h3>'
            .'<p>请在完成购买并获得权限后查看。</p>'.$buy.’
‘; } return’<section’.$anchor.' class="gcdb-delivery">'
        .'<h2>已解锁：视频课程与交付资料</h2>'.wp_kses_post($html).’
’; });

/** * 原主题顶部“立即购买”链接指向 #gc-resource-download； *
但新采集资源没有旧的下载字段，导致该锚点此前不存在。 *
本修复仅针对本插件导入、且保存了私密交付内容的项目。 * JS
若加载失败，顶部按钮仍可跳到上面的新锚点，不再失效。 */
add_action(‘wp_footer’, function () { if (!is_singular(‘gc_resource’)) {
return; } post = get_(q)ueried_(o)bject(); if(!post ||
!gcdb_has_private_delivery($post->ID)) { return; }
unlocked = gcdb_(c)an_(v)iew_(d)elivery(post->ID); $checkout_url =
unlocked?″ : gcdb_(c)heckout_(l)ink(post->ID);
url_(j)son = wp_(j)son_(e)ncode(checkout_url, JSON_HEX_TAG |
JSON_HEX_AMP | JSON_HEX_APOS | JSON_HEX_QUOT); $unlock_json =
$unlocked ? 'true' : 'false';
    echo '<script id="gcdb-buy-link-fix">(function(){'
        .'function patch(){'
        .'var links=document.querySelectorAll("a.gc-resource-price-btn[href=\"#gc-resource-download\"]");'
        .'var checkout='.$url_json.’;var unlocked=‘.$unlock_json.’;’
.’for(var i=0;i<links.length;i++){’
.’if(unlocked){links[i].textContent=“查看已解锁内容”;}’ .’else
if(checkout){links[i].setAttribute(“href”,checkout);}’
.’else{links[i].textContent=“暂不可购买”;}’ .’}’ .’}’
.’if(document.readyState===“loading”)document.addEventListener(“DOMContentLoaded”,patch);else
patch();’ .’})();’; }, 90);

// 保护有用户差异的项目页面不被 WordPress 普通页面缓存意外共享。
add_action(‘template_redirect’, function () { if
(!is_singular(‘gc_resource’)) { return; }
post = get_(q)ueried_(o)bject(); if(post &&
strpos((string)$post->post_content, ‘[gcdb_paid_delivery]’) !== false) {
if (!defined(‘DONOTCACHEPAGE’)) { define(‘DONOTCACHEPAGE’, true); }
nocache_headers(); } });

// 私密原文仅允许有该项目编辑权限的管理员从后台查看。
add_action(‘add_meta_boxes_gc_resource’, function () {
add_meta_box(‘gcdb-private-delivery’, ‘导入的付费交付内容（后台可见）’,
function ($post) { if (!current_user_can(‘edit_post’, $post->ID)) {
return; } html = (string)get_(p)ost_(m)eta(post->ID,
’_gcdb_private_delivery_html’, true); if
(!$html) { echo '<p>该项目暂无由草稿导入插件保存的私密交付内容。</p>'; return; }
        echo '<p>这里保存了采集的完整课程内容。前台只在授权购买/会员解锁后显示。修改正文时请保留 [gcdb_paid_delivery] 短代码。</p>';
        echo '<textarea readonly rows="12" style="width:100%;font-family:monospace">'.esc_textarea($html).’
‘;
url = (string)get_(p)ost_(m)eta(post->ID,’_gcdb_private_download_url’,
true); if
($url) { echo '<p>网盘入口（未验证可用性）：<code>'.esc_html($url).’
‘; } else { echo’
尚未保存网盘链接；如原 JSON 有网盘地址，请在 工具 → 项目草稿导入
中执行“只补全已有项目的网盘链接”。
‘; } }, ’gc_resource’, ‘normal’, ‘low’); });

/** *
仅修复本插件导入过、仍是草稿的项目。不改已发布文章或其他插件的数据。 */
function gcdb_repair_drafts() { $posts =
get_posts(array(‘post_type’=>‘gc_resource’, ‘post_status’=>‘draft’,
‘meta_key’=>’_gcdb_source_url’, ‘meta_compare’=>‘EXISTS’,
‘posts_per_page’=>200, ‘no_found_rows’=>true)); $fixed=0; $skipped=0;
errors = array(); foreach(posts as $post) {
        if (strpos($post->post_content, ‘[gcdb_paid_delivery]’) !==
false || get_post_meta($post->ID, ’_gcdb_private_delivery_html’, true))
{ $skipped++; continue; }
        if (!trim((string)$post->post_content)) { $skipped++; continue;
} $original =
post− > post_(c)ontent; //优先保留全文备份，再收紧公开正文。update_(p)ost_(m)eta(post->ID,
’_gcdb_private_delivery_html’, wp_kses_post($original));
intro = gcdb_(p)ublic_(i)ntro(original, $post->post_title);
updated = wp_(u)pdate_(p)ost(array(′ID′ = >post->ID,
‘post_content’=>$intro."\n[gcdb_paid_delivery]",
            'post_excerpt'=>wp_trim_words(wp_strip_all_tags($intro), 70,
‘…’)), true); if (is_wp_error($updated)) {
$errors[]='#'.$post->ID.’：‘.$updated->get_error_message(); continue; }
        update_post_meta($post->ID,’_gcdb_review_required’,‘1’);
$fixed++; } return compact(‘fixed’,‘skipped’,‘errors’); }

/** *
交付清理：只影响本插件导入的新项目，绝不碰原网站旧项目或支付流程。 *
公共页面与后台备份保留原始数据，输出时剔除源站广告及重复的片头封面。 */
function gcdb_clean_delivery_html($raw_html) { $html = (string)
raw_(h)tml; if(html === ’‘) { return’‘; } //
来源文章固定的推广页脚。广告后的会员海报及链接一并排除，不清除课程目录。
foreach (array(’感谢您的来访，获取更多精彩文章请收藏本站’,
‘感谢您的来访，获取更多精彩文章请收藏本站。’) as $needle) {
pos = strpos(html, needle); if(pos !== false) { prefix = substr(html, 0,
$pos); p = strripos(prefix, ‘<p’); close = strripos(prefix, ’
‘); // 若标语位于段落里，从该段落开始截断。 html = substr(html, 0,
($p !== false && ($close === false || $p > $close)) ? $p : $pos); break;
} } // 去除原站会员宣传图片及外链；保留正常的视频文件和课程链接。
$html = preg_replace_callback('~<a\b[^>]*href\s*=\s*["\']([^"\']+)["\'][^>]*>[\s\S]*?</a>~iu', function($m)
{ href = html_(e)ntity_(d)ecode(m[1], ENT_QUOTES | ENT_HTML5, ’UTF-8’);
host = strtolower((string)wp_(p)arse_(u)rl(href, PHP_URL_HOST));
source = in_(a)rray(host, array(‘fuyew.com’,‘www.fuyew.com’), true);
promo = preg_(m)atch(′ (? : 开通会员|全站资源免费|永久会员|年会员|会员中心|点击了解|访问官网|收藏本站|感谢您的来访) u′, wp_(s)trip_(a)ll_(t)ags(m[0]));
has_(i)mg = stripos(m[0], ‘<img’) !== false; if ($source && ($promo ||
$has_img) && !preg_match('~\.(?:mp4|m3u8|mp3)(?:[?#]|$)~i’, $href)) {
return ’‘; } return $m[0]; },
html); //页面头部展示的封面在独立模板的hero区已有，不在付款后的交付区再重复展示。//仅跳过正文开头最多两张“ 单独成段” 的图片，不影响后面的课程截图。for(i=0;i < 2;i++)
{ $new = preg_replace(’~^(<p)>]>(?:<a^>]>)?<img^>]*/?>(?:)?
~iu’, ’’, html, 1); if(new === null || $new === $html) { break; } $html
= $new;
    }
    return wp_kses_post(trim($html)); }

/** 严格只接受已知网盘 HTTPS 链接，防止把原站会员推广页面当成交付资料。
*/ function gcdb_validate_cloud_url($url) { $url =
html_entity_decode(trim((string) $url), ENT_QUOTES | ENT_HTML5,
‘UTF-8’); url = esc_(u)rl_(r)aw(url); if
(strtolower((string)wp_parse_url($url, PHP_URL_SCHEME)) !== ‘https’) {
return ’‘; } host = strtolower((string)wp_(p)arse_(u)rl(url,
PHP_URL_HOST));
allowed = array(′pan.baidu.com′, ′pan.quark.cn′, ′www.alipan.com′, ′alipan.com′, ′www.aliyundrive.com′, ′aliyundrive.com′, ′cloud.189.cn′, ′pan.xunlei.com′, ′www.123pan.com′, ′www.123865.com′, ′www.123684.com′); returnin_(a)rray(host,
$allowed, true) ? $url : '';
}
function gcdb_find_cloud_url($html) { html = (string)html; if ($html
===’‘) { return’‘; } if (preg_match_all(’_(href=([^"\']+)[“'])iu’,
$html, $anchors)) {
        foreach ($anchors[1] as $candidate) {
ok = gcdb_(v)alidate_(c)loud_(u)rl(candidate); if ($ok) { return $ok; }
} } plain = html_(e)ntity_(d)ecode(html, ENT_QUOTES | ENT_HTML5,
‘UTF-8’); if (preg_match_all(‘_(https://[^\s<>"\']+)iu’, $plain,
$matches)) {
        foreach ($matches[0] as $candidate) {
ok = gcdb_(v)alidate_(c)loud_(u)rl(rtrim(candidate, ‘，。；）)"'.,;’));
if ($ok) { return $ok; }
        }
    }
    return '';
}
function gcdb_delivery_link($post_id, $html) {
raw_(u)rl = (string)get_(p)ost_(m)eta(post_id,
’_gcdb_private_download_url’, true);
url = gcdb_(v)alidate_(c)loud_(u)rl(raw_url); if (!$url) {
url = gcdb_(f)ind_(c)loud_(u)rl(html); }
password = (string)get_(p)ost_(m)eta(post_id,
’_gcdb_private_download_password’, true); if
(!$password && preg_match('~(?:提取码|访问码|网盘密码|下载密码)\s*[:：]\s*([A-Za-z0-9_-]{2,20})~u', wp_strip_all_tags($html),
$m)) { password=m[1]; } if (!$password && $url) {
query = (string)wp_(p)arse_(u)rl(url, PHP_URL_QUERY); parse_str($query,
$args); password = sanitize_(t)ext_(f)ield((string)(args[‘pwd’] ??
$args[‘password’] ?? ’‘)); }
host = strtolower((string)wp_(p)arse_(u)rl(url, PHP_URL_HOST)); $label =
host =  =  = ′pan.baidu.com′?′百度网盘′ : (host === ’pan.quark.cn’ ?
‘夸克网盘’ :
(host?′网盘资料′ : ″)); returnarray(′url′ = >url,‘password’=>password, ′label′ = >label);
}

/** 原 JSON
只补全已经导入的项目的网盘元数据；不创建项目、不改价格、不碰订单。 */
function gcdb_restore_imported_downloads($payload) {
items = isset(payload[‘items’]) ? $payload[‘items’] :
payload; if(\!is_(a)rray(items)) { return new
WP_Error(‘gcdb_bad_json’,‘JSON 中没有项目列表。’); } $fixed=0;
$already=0; $missing=0; unmatched = 0; foreach(array_(s)lice(items, 0,
200) as $item) {
        if (!is_array($item)) { $unmatched++; continue; }
source_(u)rl = esc_(u)rl_(r)aw((string)(item[‘source_url’]??$item[‘url’]??’‘));
source_(i)d = sanitize_(t)ext_(f)ield((string)(item[’source_id’]??$item[’id’]??’‘));
title = sanitize_(t)ext_(f)ield((string)(item[’title’]??’‘)); if
(!$source_url && !$source_id) { $unmatched++; continue; }
id = gcdb_(e)xisting(source_id, $source_url, title); if(!id ||
!metadata_exists(’post’,
id, ′_(g)cdb_(s)ource_(u)rl′)||get_(p)ost_(t)ype(id)!==‘gc_resource’) {
$unmatched++; continue; } // 强校验源身份：避免同名其他文章被误写。
saved_(u)rl = (string)get_(p)ost_(m)eta(id,’_gcdb_source_url’,true);
saved_(i)d = (string)get_(p)ost_(m)eta(id,’_gcdb_source_id’,true); if
(!(($source_url && source_(u)rl =  = =saved_url) || ($source_id &&
$saved_id && source_(i)d =  = =saved_id))) { $unmatched++; continue; }
stored = gcdb_(v)alidate_(c)loud_(u)rl(get_(p)ost_(m)eta(id,’_gcdb_private_download_url’,true));
if ($stored) { $already++; continue; }
html = (string)(item[‘content’]??$item[‘body’]??’‘);
link = gcdb_(v)alidate_(c)loud_(u)rl(item[’download_url’]??’‘); if
(!$link) { link = gcdb_(f)ind_(c)loud_(u)rl(html); } if (!$link) {
$missing++; continue; }
        update_post_meta($id,’_gcdb_private_download_url’, $link);
password = sanitize_(t)ext_(f)ield((string)(item[‘download_password’]??’‘));
if
($password && !get_post_meta($id,’_gcdb_private_download_password’,true))
{
update_post_meta(id, ′_(g)cdb_(p)rivate_(d)ownload_(p)assword′,password);
} $fixed++; } return compact(‘fixed’,‘already’,‘missing’,‘unmatched’); }

function gcdb_import($payload, $only_one = true) { if
(!post_type_exists(‘gc_resource’)) { return new
WP_Error(‘missing_post_type’, ‘网站尚未注册 gc_resource
项目资源类型。’); } items = isset(payload[‘items’]) ? $payload[‘items’]
: payload; if(\!is_(a)rray(items) ||
array_keys(items)! =  = range(0, count(items) - 1)) { return new
WP_Error(‘invalid_json’, ‘JSON 必须是项目数组，或包含 items 数组。’); }
$today = wp_date(‘Y-m-d’); $saved = 0; $duplicates = 0; $invalid = 0;
$old = 0; $errors = array(); $ids = array();
seen = array(); //无论收到多少项目，每次最多创建29篇草稿。foreach(items
as $index => $item) {
        if ($saved >= (only_(o)ne?1 : 29))break;if(\!is_(a)rray(item)) {
$invalid++; continue; } title = sanitize_(t)ext_(f)ield(item[‘title’] ??
’‘); raw_(c)ontent = wp_(k)ses_(p)ost((string)(item[’content’] ??
$item[’body’] ??’‘)); intro = gcdb_(p)ublic_(i)ntro(raw_content,
$title); $content = $intro.”“;
source_(i)d = sanitize_(t)ext_(f)ield((string)(item[’source_id’] ??
$item[’id’] ??’‘));
source_(u)rl = esc_(u)rl_(r)aw((string)(item[’source_url’] ??
$item[’url’] ??’‘)); date = gcdb_(d)ate(item[’published_at’] ??
item[′date′]??″); if(date !== $today) {
$old++; continue; } // 缺少日期也不采集，防止误导入历史项目
        if (!$title || !raw_(c)ontent||!source_url ||
(!wp_http_validate_url($source_url))) { $invalid++; continue; }
fingerprint = gcdb_(t)itle_(k)ey(title); $local_key =
source_(i)d? : (source_url ?:
fingerprint); if(isset(seen[local_(k)ey])||gcdb_(e)xisting(source_id,
$source_url, $title)) { $duplicates++; continue; } seen[local_key] =
true;
post_(i)d = wp_(i)nsert_(p)ost(array(′post_(t)ype′ =  > ′gc_(r)esource′, ′post_(s)tatus′ =  > ′draft′, ′post_(a)uthor′ =  > get_(c)urrent_(u)ser_(i)d(), ′post_(t)itle′ = >title,
’post_content’=>content, ′post_(e)xcerpt′ =  > wp_(t)rim_(w)ords(wp_(s)trip_(a)ll_(t)ags(intro),
80, ‘…’), ‘comment_status’=>‘closed’, ‘ping_status’=>‘closed’, ), true);
if (is_wp_error($post_id)) {
errors[] = ′第′.(index+1).’条：‘.$post_id->get_error_message(); continue; }
        // 源站完整内容写入私密元数据，不能直接成为公开正文。
        update_post_meta($post_id,’_gcdb_private_delivery_html’,
raw_(c)ontent); if(\!empty(item[‘download_url’])) {
candidate = gcdb_(v)alidate_(c)loud_(u)rl(item[‘download_url’]); if
($candidate) { update_post_meta($post_id, ’_gcdb_private_download_url’,
$candidate); }
        }
        if (!get_post_meta($post_id, ’_gcdb_private_download_url’,
true)) { embedded = gcdb_(f)ind_(c)loud_(u)rl(raw_content); if
($embedded) { update_post_meta($post_id, ’_gcdb_private_download_url’,
$embedded); }
        }
        if (!empty($item[‘download_password’])) {
update_post_meta(post_(i)d, ′_(g)cdb_(p)rivate_(d)ownload_(p)assword′, sanitize_(t)ext_(f)ield((string)item[‘download_password’]));
}
update_post_meta(post_(i)d, ′_(g)c_(r)esource_(a)ccess′, ′purchase′); update_(p)ost_(m)eta(post_id,
’_gcdb_source_id’, source_(i)d); update_(p)ost_(m)eta(post_id,
’_gcdb_source_url’, source_(u)rl); update_(p)ost_(m)eta(post_id,
’_gcdb_title_key’, fingerprint); update_(p)ost_(m)eta(post_id,
’_gcdb_original_date’, date); update_(p)ost_(m)eta(post_id,
’_gcdb_review_required’, ‘1’); update_post_meta($post_id,
’_gc_resource_source_url’, source_(u)rl); update_(p)ost_(m)eta(post_id,
’_gc_resource_indexable’, ‘0’);
update_post_meta(post_(i)d, ′_(g)c_(r)esource_(o)riginal′, ′0′); update_(p)ost_(m)eta(post_id,
’_gc_resource_type’, ‘项目实战资料’); //
导入后自动补齐真实媒体特色图与现有大类；失败只记录，不影响草稿和付费隔离。
cover_(r)esult = gcdb_(a)ttach_(f)eatured(post_id, $raw_content);
category_(r)esult = gcdb_(a)ssign_(c)ategory(post_id);
update_post_meta($post_id, ’_gcdb_cover_last_result’,
cover_(r)esult); update_(p)ost_(m)eta(post_id,
’_gcdb_category_last_result’, $category_result); $saved++; $ids[] =
(int) $post_id; } return
compact(‘saved’,‘duplicates’,‘invalid’,‘old’,‘errors’,‘ids’); }

function gcdb_admin_page() { if (!current_user_can(‘edit_posts’)) {
wp_die(‘没有操作权限。’); } echo ’
共创社项目草稿导入
V1.6：新项目自动保存草稿、独立下载交付、修复购买入口、设置特色图片与资源分类。只导入网站时区今天发布的项目。
‘; if (current_user_can(’manage_options’)) { $checkout_issue =
gcdb_checkout_status();
payment_(o)k = function_(e)xists(′gchuang_(e)pay_(r)ender_(p)ayment_(b)ox′); echo′ < h2 > 结算功能自检（只读） < /h2 > ′; if(checkout_issue)
{ echo ’

购买入口未就绪：‘.esc_html($checkout_issue).'。此时前台不允许跳到无效结算页。</p></div>';
        } else {
            echo '<div class="notice notice-success inline"><p>结算页、结算模板、订单创建函数：已检测到。</p></div>';
        }
        if ($payment_ok) { echo’
支付组件函数：已加载。仍需验收支付回调、订单状态与购买后解锁。
‘; } else { echo’

支付组件函数尚未加载，结算页可能只能创建订单，无法付款。请检查“共创社支付中心”。

‘; } } if (current_user_can(’manage_options’)) { if
($_SERVER['REQUEST_METHOD']==='POST' && isset($_POST[‘gcdb_restore_links’]))
{ check_admin_referer(‘gcdb_restore_links’);
file=_FILES[‘gcdb_restore_json’]??null; if
(!file||\!empty(file[‘error’]) ||
(int)(file[′size′]??0) > 8 * 1024 * 1024||\!is_(u)ploaded_(f)ile(file[‘tmp_name’]??’‘))
{ echo’

请上传有效的原始采集 JSON（不超过8MB）。

‘; } else {
payload = json_(d)ecode(file_(g)et_(c)ontents(file[’tmp_name’]),true);
res = gcdb_(r)estore_(i)mported_(d)ownloads(payload); if
(is_wp_error($res)) { echo '<div class="notice notice-error inline"><p>'.esc_html($res->get_error_message()).’

‘; } else { echo’

网盘补全：成功 ‘.(int)res[′fixed′].′篇；原已有′.(int)res[’already’].’
篇；JSON 没有有效网盘地址
‘.(int)res[′missing′].′篇；未匹配′.(int)res[’unmatched’].’
篇。不会重新发布或扣款。

‘; } } } echo’
已导入项目的网盘链接状态（只读）
仅检查交付字段，不检测网址是否失效。
‘;
recent = get_(p)osts(array(′post_(t)ype′ =  > ′gc_(r)esource′, ′post_(s)tatus′ =  > array(′publish′, ′draft′), ′meta_(k)ey′ =  > ′_(g)cdb_(s)ource_(u)rl′, ′meta_(c)ompare′ =  > ′EXISTS′, ′posts_(p)er_(p)age′ =  > 10)); foreach(recent
as $entry) {
private = (string)get_(p)ost_(m)eta(entry->ID,’_gcdb_private_delivery_html’,true);
link = gcdb_(d)elivery_(l)ink(entry->ID, $private);
            echo '<p>#'.(int)$entry->ID.’
‘.esc_html(entry− > post_(t)itle).′：′.(link[’url’] ?’已保存网盘链接’ :
‘未检测到网盘链接’).’
‘; } echo’
‘; wp_nonce_field(’gcdb_restore_links’); echo ’
原始采集 JSON（与之前导入时同一文件）： ‘;
echo’只补全已有项目的网盘链接（不重新导入）
’; } //
设置默认资源分类，并提供旧草稿一键补全（只处理本插件导入的数据）。
taxonomy = gcdb_(c)ategory_(t)axonomy(); if(_SERVER[‘REQUEST_METHOD’]
=== ‘POST’ && isset($_POST[‘gcdb_save_category’])) { if
(!current_user_can(‘manage_options’)) { wp_die(‘仅管理员可设置分类。’);
} check_admin_referer(‘gcdb_category’);
selected = absint(_POST[‘gcdb_category_id’] ?? 0); if ($taxonomy &&
$selected && ($term=get_term($selected,
$taxonomy)) && !is_wp_error($term)) {
update_option(‘gcdb_default_category_id’, $selected, false);
            echo '<div class="notice notice-success"><p>默认资源分类已保存。</p></div>';
        } else {
            echo '<div class="notice notice-warning"><p>分类未保存，请选择网站现有的资源分类。</p></div>';
        }
    }
    if ($_SERVER[‘REQUEST_METHOD’] === ‘POST’ &&
isset($_POST[‘gcdb_enrich’])) { if (!current_user_can(‘manage_options’))
{ wp_die(‘仅管理员可补全草稿。’); } check_admin_referer(‘gcdb_enrich’);
$results = gcdb_enrich_drafts(10);
        echo '<div class="notice notice-info"><p>已检查 '.count($results).’
篇本插件导入的草稿，未修改已经发布的文章：
‘; foreach ($results as $row) {
            echo '<p>#'.(int)$row[’id’].’
‘.esc_html(row[′title′]).′：封面′.esc_(h)tml(row[’cover’]).’；分类
‘.esc_html($row['category']).'</p>';
        }
        echo '</div>';
    }
    if (current_user_can('manage_options')) {
        if ($taxonomy) {
terms = get_(t)erms(array(′taxonomy′ = >taxonomy, ’hide_empty’=>false));
selected = gcdb_(d)efault_(c)ategory_(i)d(taxonomy); echo ’
导入后默认资源分类
自动匹配网站现有的分类，不创建新分类；具体细分类以后可人工调整。
‘; wp_nonce_field(’gcdb_category’); echo ’
‘; if (!is_wp_error($terms)) {
                foreach ($terms as $term) {
                    echo '<option value="'.(int)$term->term_id.’”
‘.selected(selected,term->term_id,false).’>’.esc_html($term->name).'</option>';
                }
            }
            echo '</select> <button class="button" name="gcdb_save_category" value="1">保存默认分类</button></p></form>';
        } else {
            echo '<div class="notice notice-warning"><p>未能自动识别网站的“资源分类”。请先勿批量发布，需确认项目分类 taxonomy。</p></div>';
        }
        echo '<form method="post">'; wp_nonce_field('gcdb_enrich');
        echo '<p><button class="button button-secondary" type="submit" name="gcdb_enrich" value="1">一键补全已导入草稿的特色图片和资源分类（每次最多10篇）</button></p></form>';
    }
    if ($_SERVER[‘REQUEST_METHOD’] === ‘POST’ &&
isset($_POST[‘gcdb_repair’])) { if (!current_user_can(‘manage_options’))
{ wp_die(‘仅管理员可修复草稿。’); }
check_admin_referer(‘gcdb_repair_drafts’);
$repair = gcdb_repair_drafts();
        echo '<div class="notice notice-info"><p>已修复 '.(int)$repair[‘fixed’].’
篇旧草稿，跳过
‘.(int)repair[′skipped′].′篇。 < /p > ′; foreach(repair[’errors’] as
$e) { echo '<p>'.esc_html($e).’
‘; } echo’
‘; } if (current_user_can(’manage_options’)) { echo ’
‘; wp_nonce_field(’gcdb_repair_drafts’); echo ’
修复旧版已导入草稿（包括首篇测试项目）
’; } if
($_SERVER['REQUEST_METHOD'] === 'POST' && isset($_POST[‘gcdb_action’]))
{ check_admin_referer(‘gcdb_upload’);
raw = ″; if(\!empty(_FILES[‘gcdb_file’][‘tmp_name’]) &&
is_uploaded_file($_FILES[‘gcdb_file’][‘tmp_name’])) { if ((int)
$_FILES[‘gcdb_file’][‘size’] > 2 * 1024 * 1024) { echo ’

文件超过 2MB。

’; } else {
raw = file_(g)et_(c)ontents(_FILES[‘gcdb_file’][‘tmp_name’]); } } if
($raw !== ’‘) { payload = json_(d)ecode(raw, true); if
(json_last_error() !== JSON_ERROR_NONE) { echo’

JSON 无法解析。

‘; } else { result = gcdb_(i)mport(payload,
_(P)OST[′gcdb_(a)ction′]! =  = ′batch′); if(is_(w)p_(e)rror(result)) {
echo’

‘.esc_html($result->get_error_message()).'</p></div>';
                } else {
                    echo '<div class="notice notice-info"><p>新增草稿 '.(int)$result[’saved’].’
条；重复
‘.(int)result[′duplicates′].′条；非当天或日期缺失′.(int)result[’old’].’
条；格式不合格
‘.(int)result[′invalid′].′条。 < /p > ′; foreach(result[’ids’] as
$id) { echo '<p><a href="'.esc_url(get_edit_post_link($id)).’“>查看草稿
#‘.(int)$id.'</a></p>'; }
                    foreach ($result[’errors’] as
$error) { echo '<p>'.esc_html($error).’
‘; } echo’

‘; } } } else { echo’

请选择有效的 JSON 文件。

‘; } } if (function_exists(’gcdb_direct_admin_section’)) {
gcdb_direct_admin_section(); } echo ’
‘; wp_nonce_field(’gcdb_upload’); echo ’
‘; echo’
测试导入 1 条草稿
导入最多 29 条草稿
‘; echo’
支持 JSON 数组或 {“items”: […]}；每条须包含
title、content、source_url、published_at（YYYY-MM-DD），可选 source_id。
’; }

/** *
V1.4：仅替换本插件采集资源的前台详情页，老项目继续使用现有主题模板。 *
不修改当前主题、订单、支付、其它资源类型；停用后即恢复主题默认展示。 */
function gcdb_is_imported_detail( $post_id = 0 ) { $post_id = absint(
$post_id ?: get_queried_object_id() ); if ( ! $post_id || get_post_type(
$post_id ) !== ‘gc_resource’ ) { return false; } return metadata_exists(
‘post’, $post_id, ’_gcdb_source_url’ ) && gcdb_has_private_delivery(
$post_id ); }

add_filter( ‘template_include’, function( $template ) { if ( !
is_singular( ‘gc_resource’ ) ) { return $template; } if ( !
gcdb_is_imported_detail( get_queried_object_id() ) ) { return $template;
} $own_template = plugin_dir_path( FILE ) .
‘templates/single-imported-resource.php’; return is_readable(
$own_template ) ? $own_template : $template; }, 99 );

add_action( ‘wp_enqueue_scripts’, function() { if ( ! is_singular(
‘gc_resource’ ) || ! gcdb_is_imported_detail( get_queried_object_id() )
) { return; } wp_enqueue_style( ‘gcdb-imported-resource’,
plugin_dir_url( FILE ) . ‘assets/imported-resource.css’, array(),
‘1.7.0’ ); }, 20 );

/** 使用现有结算页、已存在的过滤器和登录回跳；不创建订单或修改支付。 */
function gcdb_native_purchase_url( $post_id ) { $post_id = absint(
$post_id ); if ( ! $post_id ) { return ’‘; } $url = add_query_arg(
array( ’resource_id’ => $post_id ), home_url( ‘/checkout/’ ) ); $url =
(string) apply_filters( ‘gchuang_resource_purchase_url’, $url, $post_id,
get_current_user_id() ); $url = esc_url_raw( $url ); if ( ! $url || !
in_array( strtolower( (string) wp_parse_url( $url, PHP_URL_SCHEME ) ),
array( ‘http’, ‘https’ ), true ) ) { return ’’; } if ( !
is_user_logged_in() ) { $url = wp_login_url( $url ); } return esc_url(
$url ); }

/**
与订单系统的已购买权限共用判断；已登录管理员可看，不向匿名用户输出资料。
*/ function gcdb_native_unlocked( $post_id ) { $post_id = absint(
$post_id ); if ( current_user_can( ‘manage_options’ ) ) { return true; }
$uid = get_current_user_id(); if ( ! $uid ) { return false; } $mode =
function_exists( ‘gchuang_get_access_mode’ ) ? gchuang_get_access_mode(
$post_id ) : (string) get_post_meta( $post_id, ’_gc_resource_access’,
true ); $purchase = (bool) apply_filters(
‘gchuang_resource_user_has_purchase’, false, $uid, $post_id ); $member =
(bool) apply_filters( ‘gchuang_user_is_member’, false, $uid ); $allowed
= ( ‘purchase’ === $mode && $purchase ) || ( ‘member’ === $mode &&
$member ) || ( ‘member_purchase’ === $mode && ( $purchase || $member )
); return (bool) apply_filters( ‘gchuang_resource_user_can_download’,
$allowed, $uid, $post_id, $mode ); }

/** 公开区永不读取整个课程 HTML，图片仅放在封面区域，避免重复。 /
function gcdb_native_public_description( $post_id ) { $text = (string)
get_post_field( ‘post_content’, $post_id ); $text = str_replace(
‘[gcdb_paid_delivery]’, ’‘, $text ); $text =
preg_replace(’~<img\b[^>]>~iu’, ’‘, $text ); $text = preg_replace(’~
\s*
~iu’, ’‘, $text ); $text = gcdb_public_intro( $text,’’ ); //
gcdb_public_intro 截断交付线索，使用之前隔离后的公开摘要。 return
wp_kses_post( $text ); }

/** 保护资源独立页面的权限差异，避免整页缓存导致内容串用户。 */
add_action( ‘template_redirect’, function() { if ( ! is_singular(
‘gc_resource’ ) || ! gcdb_is_imported_detail( get_queried_object_id() )
) { return; } if ( ! defined( ‘DONOTCACHEPAGE’ ) ) { define(
‘DONOTCACHEPAGE’, true ); } nocache_headers(); }, 5 );

/** 旧草稿/已发布项目的摘要中意外混入交付短代码时，仅在前台清理显示。 */
add_filter( ‘get_the_excerpt’, function( $excerpt, $post = null ) { if (
! $post || ! isset( $post->ID ) || ! gcdb_is_imported_detail( $post->ID
) ) { return $excerpt; } $excerpt = str_replace( ‘[gcdb_paid_delivery]’,
’’, (string) $excerpt ); return trim( $excerpt ); }, 20, 2 );

// V1.7: Direct publishing uses a separate, opt-in integration module.
require_once plugin_dir_path(FILE) . ‘includes/direct-publish.php’;<!DOCTYPE html>

<html lang="zh-Hans">

<head>

    <meta charset="UTF-8">

    <meta
        name="viewport"
        content="width=device-width, initial-scale=1"
    >

    <title>项目方向与认知 &#8211; 第 4 页 &#8211; 共创社</title>
<meta name='robots' content='max-image-preview:large' />
<link rel='dns-prefetch' href='//www.googletagmanager.com' />
<link rel="alternate" type="application/rss+xml" title="共创社 &raquo; 项目方向与认知 分类 Feed" href="https://www.gchuang.vip/category/entrepreneurship-knowledge/project-ideas/feed" />
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    <style id="gc-direction-nav-highlight">
        .gc-nav-menu a[href*="/startup-guidance/"] {
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        /* =========================================================
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         * 只改手机端展开菜单，不改首页结构/背景/项目卡片/电脑端
         * ========================================================= */
        @media (max-width: 680px) {

            .gc-mobile-navigation .gc-container {
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                padding-bottom: 14px !important;
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            .gc-mobile-search {
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</style>

    <style id="gc-header-layout-hardening">
        /*
         * 顶部搜索框：提高识别度，但继续保持黑金风格。
         */
        .gc-header .gc-header-search {
            position: relative;
            margin-left: 16px;
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        .gc-header .gc-search-form {
            display: flex;
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            width: 100%;
            min-height: 38px;
            padding: 0 5px 0 13px;
            border: 1px solid rgba(215, 173, 85, .28);
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            background: #0b0b0b;
            transition: border-color .18s ease, box-shadow .18s ease, background .18s ease;
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            background: #0e0e0e;
            box-shadow: 0 0 0 2px rgba(215, 173, 85, .08);
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        .gc-header .gc-search-input {
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            width: 100%;
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            height: 36px;
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            font-size: 13px;
            line-height: 36px;
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            height: 32px;
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            color: #d7ad55;
            font-size: 19px;
            font-weight: 700;
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        @media (min-width: 1181px) {
            /*
             * 桌面端改成“内容自然宽度 + 固定小间距”，
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             * 这样“关于共创社”和搜索框之间会保持稳定的小间距。
             */
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            .gc-header .gc-header-search {
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                margin-left: 10px;
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            .gc-header .gc-header-actions {
                margin-left: 8px;
            }

            .gc-header .gc-search-input {
                font-size: 12.5px;
            }
        }
    </style>



    <style id="gc-mobile-home-city-header-v1">
        .gc-mobile-home-city-panel {
            display: none;
        }

        @media (max-width: 680px) {

            body.home .gc-header {
                position: relative;
                overflow: hidden;
                border-bottom: 1px solid rgba(215, 173, 85, .18);
                background:
                    linear-gradient(
                        180deg,
                        rgba(5,5,5,.48) 0%,
                        rgba(5,5,5,.60) 42%,
                        rgba(5,5,5,.88) 100%
                    ),
                    url('https://www.gchuang.vip/wp-content/themes/gchuang-v1/assets/images/gchuang-mobile-hero.png')
                    center 58% / cover no-repeat;
            }

            body.home .gc-header::after {
                content: "";
                position: absolute;
                inset: 0;
                pointer-events: none;
                background:
                    linear-gradient(
                        90deg,
                        rgba(0,0,0,.20),
                        transparent 54%,
                        rgba(0,0,0,.06)
                    );
            }

            body.home .gc-header-inner,
            body.home .gc-mobile-home-city-panel {
                position: relative;
                z-index: 2;
            }

            body.home .gc-header-inner {
                min-height: 72px;
                padding-top: 8px;
                padding-bottom: 5px;
                border-bottom: 0 !important;
                background: transparent !important;
            }

            body.home .gc-logo-link {
                display: inline-flex;
                align-items: center;
                gap: 10px;
            }

            body.home .gc-logo-mark {
                width: 42px;
                height: 42px;
                display: inline-flex;
                align-items: center;
                justify-content: center;
                border: 1px solid rgba(236,191,96,.72);
                border-radius: 50%;
                color: #e8bd64;
                background: rgba(6,6,6,.34);
                font-size: 18px;
                box-shadow: 0 0 18px rgba(215,173,85,.08);
            }

            body.home .gc-logo-text {
                display: flex !important;
                flex-direction: column;
                gap: 1px;
            }

            body.home .gc-logo-text strong {
                color: #e8bd64;
                font-size: 20px;
                line-height: 1.2;
                letter-spacing: .06em;
            }

            body.home .gc-logo-text small {
                display: block !important;
                color: rgba(238,231,216,.74);
                font-size: 9px;
                line-height: 1.25;
                letter-spacing: .08em;
            }

            body.home .gc-mobile-menu-toggle,
            body.home .gc-header-search,
            body.home .gc-header-actions,
            body.home .gc-desktop-nav,
            body.home .gc-mobile-navigation {
                display: none !important;
            }

            .gc-mobile-home-city-panel {
                display: block;
                padding: 4px 0 16px;
                background: transparent;
            }

            .gc-mobile-home-city-panel .gc-container {
                width: calc(100% - 24px);
                max-width: none;
                margin: 0 auto;
            }

            .gc-mobile-home-city-account {
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 8px;
                margin-bottom: 8px;
            }

            .gc-mobile-home-city-login,
            .gc-mobile-home-city-member {
                min-height: 38px;
                display: flex;
                align-items: center;
                justify-content: center;
                padding: 0 9px;
                border-radius: 7px;
                font-size: 12px;
                font-weight: 700;
                text-decoration: none !important;
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                color: #eee7dc !important;
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                background: rgba(7,7,7,.52);
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                color: #191208 !important;
                border: 1px solid #d7ad55;
                background:
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                        180deg,
                        rgba(245,207,114,.96),
                        rgba(218,164,63,.96)
                    );
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            .gc-mobile-home-city-search {
                display: grid;
                grid-template-columns: minmax(0,1fr) 62px;
                gap: 7px;
                margin-bottom: 9px;
            }

            .gc-mobile-home-city-search input {
                width: 100%;
                min-width: 0;
                height: 38px;
                padding: 0 12px;
                border: 1px solid rgba(215,173,85,.22);
                border-radius: 7px;
                outline: 0;
                color: #eee8dc;
                background: rgba(8,8,8,.54);
                font-size: 12px;
                backdrop-filter: blur(5px);
                -webkit-backdrop-filter: blur(5px);
            }

            .gc-mobile-home-city-search input::placeholder {
                color: rgba(223,216,204,.58);
            }

            .gc-mobile-home-city-search button {
                height: 38px;
                border: 1px solid rgba(215,173,85,.35);
                border-radius: 7px;
                color: #e8bd64;
                background: rgba(8,8,8,.62);
                font-size: 12px;
                font-weight: 800;
                backdrop-filter: blur(5px);
                -webkit-backdrop-filter: blur(5px);
            }

            .gc-mobile-home-city-nav {
                display: grid;
                grid-template-columns: repeat(4,minmax(0,1fr));
                gap: 6px;
            }

            .gc-mobile-home-city-nav a {
                min-width: 0;
                min-height: 34px;
                display: flex;
                align-items: center;
                justify-content: center;
                padding: 4px 3px;
                border: 1px solid rgba(255,255,255,.08);
                border-radius: 6px;
                color: rgba(235,229,219,.78) !important;
                background: rgba(8,8,8,.48);
                font-size: 10.5px;
                line-height: 1.2;
                text-align: center;
                text-decoration: none !important;
                backdrop-filter: blur(5px);
                -webkit-backdrop-filter: blur(5px);
            }

            .gc-mobile-home-city-nav a.is-current {
                color: #efc96f !important;
                border-color: rgba(215,173,85,.45);
                background: rgba(34,24,9,.46);
            }
        }

        @media (max-width: 380px) {
            body.home .gc-logo-mark {
                width: 39px;
                height: 39px;
            }

            body.home .gc-logo-text strong {
                font-size: 18px;
            }

            .gc-mobile-home-city-nav {
                gap: 5px;
            }

            .gc-mobile-home-city-nav a {
                font-size: 9.5px;
            }
        }
    </style>

</head>


<body class="archive paged category category-project-ideas category-410 paged-4 category-paged-4 wp-theme-gchuang-v1">



<header class="gc-header">


    <div class="gc-container gc-header-inner">


        <!-- ==================================================
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        =================================================== -->

        <div class="gc-logo">


            <a
                class="gc-logo-link"
                href="https://www.gchuang.vip/"
                aria-label="共创社首页"
            >


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                        共创社
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                        普通人创业成长社区
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        </div>



        <!-- ==================================================
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        =================================================== -->

        <nav
            class="gc-nav gc-desktop-nav"
            aria-label="共创社主导航"
        >


            

                <ul
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                    id="gc-primary-menu"
                >


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                    <li class="menu-item">

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                    <li class="menu-item menu-item-has-children">


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                    <li class="menu-item menu-item-has-children">

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                                    全部项目资源
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                    </div>
                    <h3>
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                    <p>
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                        href="https://www.gchuang.vip/"
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        <div class="gc-container gc-footer-bottom-inner">
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            <div>
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</footer>
<!-- =====================================================
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====================================================== -->
<a
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.gc-footer-brand h3 {
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.gc-footer-brand h3 small {
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    document.addEventListener('DOMContentLoaded', function() {
        PaymentBridge.init();
        console.log('✨ 小程序支付模块已加载');
    });
} else {
    PaymentBridge.init();
    console.log('✨ 小程序支付模块已加载');
}
</script>
</body>
</html>