Files
jiu/backend/internal/handler/templates/public_product.html
T
wangjia 9ea38a9b56 feat(backend): 公开页 SSR 化——商品页/店铺页后端直出,顾客动线零 Flutter
- /product/:public_id 从「Flutter 壳注入 OG」改为 go:embed 模板直出轻量页
  (~5KB vs 12.5MB 首包,3Mbps 带宽下 30s → <0.5s),OG 分享卡片行为不变
- 新增 /shop/:shop_code 店铺公开页短链:搜索(?q=)+分页(?page=),商品卡互跳
- 数据装配与公开 API 共用(loadPublicProduct / queryShopProducts),口径零漂移
- 图片异步拉取:首图 decoding=async、其余 loading=lazy
- 设计:docs/design/public-page-speedup.html

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01JJ1g8XV1YhhmHRzhwWEW7o
2026-07-07 11:02:10 +08:00

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<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>{{.PageTitle}}</title>{{.OGTags}}
<style>
:root{--primary:#2563AC;--primary-dark:#154072;--ink:#232934;--muted:#6E7888;
--border:#DCE2EB;--paper:#F5F7FA;--head:#F0F4FF;--ok:#2E8B57;--ok-bg:#E6F3EC;}
*{box-sizing:border-box;margin:0;font-family:-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;}
body{background:var(--paper);color:var(--ink);line-height:1.65;font-size:15px;}
.wrap{max-width:640px;margin:0 auto;padding:14px 14px 40px;}
.card{background:#fff;border:1px solid var(--border);border-radius:12px;padding:16px;margin-bottom:12px;}
.gallery{display:flex;gap:8px;overflow-x:auto;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;border-radius:12px;margin-bottom:12px;}
.gallery img{width:100%;max-width:640px;flex:0 0 100%;scroll-snap-align:center;border-radius:12px;object-fit:cover;background:#fff;border:1px solid var(--border);}
h1{font-size:20px;line-height:1.4;margin-bottom:6px;}
.chips{display:flex;flex-wrap:wrap;gap:6px;margin:8px 0 2px;}
.chip{font-size:12px;padding:2px 10px;border-radius:10px;background:var(--head);color:var(--primary-dark);}
.price{font-size:22px;font-weight:700;color:var(--primary);margin-top:6px;}
.price small{font-size:12px;font-weight:400;color:var(--muted);}
.row{display:flex;justify-content:space-between;gap:12px;padding:9px 0;border-bottom:1px solid #EEF1F5;font-size:14px;}
.row:last-child{border-bottom:none;}
.row span{color:var(--muted);flex:none;}
.row b{font-weight:600;text-align:right;word-break:break-all;}
.sec-t{font-size:13px;font-weight:600;color:var(--primary-dark);margin-bottom:8px;}
.desc{font-size:14px;color:var(--ink);white-space:pre-wrap;}
.verify{display:flex;align-items:center;gap:8px;background:var(--ok-bg);color:var(--ok);border-radius:10px;padding:10px 14px;font-size:13px;font-weight:600;margin-bottom:12px;}
a{color:var(--primary);text-decoration:none;}
.shop-name{font-size:16px;font-weight:700;}
.foot{text-align:center;color:var(--muted);font-size:12px;margin-top:18px;}
.foot a{color:var(--muted);text-decoration:underline;}
.empty{text-align:center;padding:60px 20px;color:var(--muted);}
.empty h1{font-size:18px;color:var(--ink);margin-bottom:8px;}
</style>
</head>
<body>
<div class="wrap">
{{if .Found}}
{{if .Images}}
<div class="gallery">
{{range $i, $img := .Images}}
<img src="{{$img}}" alt="{{$.Name}}" decoding="async"{{if $i}} loading="lazy"{{end}}>
{{end}}
</div>
{{end}}
<div class="card">
<h1>{{.Name}}</h1>
{{if .Keywords}}<div class="chips">{{range .Keywords}}<span class="chip">{{.}}</span>{{end}}</div>{{end}}
{{if .Price}}<div class="price">{{.Price}}{{if .Unit}} <small>/ {{.Unit}}</small>{{end}}</div>{{end}}
</div>
<div class="verify">✓ 正品保障 · 扫码验真 · 官方渠道供应</div>
<div class="card">
<div class="sec-t">商品信息</div>
{{if .Code}}<div class="row"><span>商品编号</span><b>{{.Code}}</b></div>{{end}}
{{if .Series}}<div class="row"><span>系列</span><b>{{.Series}}</b></div>{{end}}
{{if .Spec}}<div class="row"><span>规格</span><b>{{.Spec}}</b></div>{{end}}
{{if .Origin}}<div class="row"><span>产地</span><b>{{.Origin}}</b></div>{{end}}
<div class="row"><span>保质期</span><b>{{.ShelfLife}}</b></div>
<div class="row"><span>储存方式</span><b>{{.Storage}}</b></div>
</div>
{{if .HasBatch}}
<div class="card">
<div class="sec-t">批次信息</div>
{{if .ProdDate}}<div class="row"><span>生产日期</span><b>{{.ProdDate}}</b></div>{{end}}
{{if .BatchNo}}<div class="row"><span>批次号</span><b>{{.BatchNo}}</b></div>{{end}}
{{if .InDate}}<div class="row"><span>入库日期</span><b>{{.InDate}}</b></div>{{end}}
</div>
{{end}}
{{if .DescBody}}
<div class="card">
<div class="sec-t">{{.DescTitle}}</div>
<div class="desc">{{.DescBody}}</div>
</div>
{{end}}
{{if .HasShop}}
<div class="card">
<div class="sec-t">门店信息</div>
<div class="row"><span>门店</span><b>{{if .ShopCode}}<a class="shop-name" href="/shop/{{.ShopCode}}">{{.ShopName}} </a>{{else}}{{.ShopName}}{{end}}</b></div>
{{if .ShopPhone}}<div class="row"><span>电话</span><b><a href="tel:{{.ShopPhone}}">{{.ShopPhone}}</a></b></div>{{end}}
{{if .ShopAddr}}<div class="row"><span>地址</span><b>{{.ShopAddr}}</b></div>{{end}}
{{if .ShopHours}}<div class="row"><span>营业时间</span><b>{{.ShopHours}}</b></div>{{end}}
{{if .ShopWx}}<div class="row"><span>微信</span><b>{{.ShopWx}}</b></div>{{end}}
{{if .ShopCode}}<div class="row"><span></span><b><a href="/shop/{{.ShopCode}}">查看本店更多商品 </a></b></div>{{end}}
</div>
{{end}}
{{else}}
<div class="card empty">
<h1>商品不存在或已下架</h1>
<p>请确认链接来源,或联系门店核实。</p>
</div>
{{end}}
<div class="foot">岩美酒库 · 正品溯源{{if .AppURL}} · <a href="{{.AppURL}}">在 App 中查看</a>{{end}}</div>
</div>
</body>
</html>