483 lines
17 KiB
Markdown
483 lines
17 KiB
Markdown
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# 商品详情扩展字段数据字典与前端使用说明
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> 日期：2026-04-21
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> 用途：前端 agent（antigravity / cursor）拿到商品详情页时，扩展字段里有哪些可用数据？如何用？
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---
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## 一、核心数据结构全貌
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商品详情页加载时，PHP 后端向模板注入以下变量：
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| 模板变量名 | 来源 | 说明 |
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|-----------|------|------|
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| `$goods` | ShopXO GoodsService | ShopXO 原生商品数据（id/title/price/content/images 等） |
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| `$vr_seat_template` | `SeatSkuService::GetGoodsViewData()` | 票务插件扩展数据 |
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| `$goods_spec_data` | `SeatSkuService::GetGoodsViewData()` | 场次列表 |
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---
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## 二、vr_goods_config（goods 表扩展字段）
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存储位置：`goods.vr_goods_config`（JSON 字段）
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这是商品发布时由管理员配置的数据快照，**前端只能读，不能写**。
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### 完整 JSON 示例（商品 118，VR 演唱会）
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```json
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[
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{
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"version": 3.0,
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"template_id": 4,
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"selected_rooms": ["room_001", "room_002"],
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"selected_sections": {
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"room_001": ["A", "B"],
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"room_002": ["A"]
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},
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"sessions": [
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{ "start": "15:00", "end": "16:59" },
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{ "start": "18:00", "end": "20:59" }
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],
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"template_snapshot": {
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"venue": {
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"name": "VR 体验馆",
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"address": "北京市朝阳区建国路88号",
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"location": { "lng": "116.45792", "lat": "39.90745" },
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"images": [
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"/static/attachments/202603/venue_001.jpg",
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"/static/attachments/202603/venue_002.jpg"
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]
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},
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"rooms": [
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{
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"id": "room_001",
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"name": "1号演播厅",
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"map": [
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"AAAAA_____BBBBB",
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"AAAAA_____BBBBB",
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"AAAAA_____BBBBB",
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"CCCCCCCCCCCCCCC",
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"CCCCCCCCCCCCCCC"
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],
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"sections": [
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{ "char": "A", "name": "VIP区", "price": 380, "color": "#f06292" },
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{ "char": "B", "name": "看台区", "price": 180, "color": "#4fc3f7" },
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{ "char": "C", "name": "普通区", "price": 80, "color": "#81c784" }
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],
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"seats": {
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"A": { "char": "A", "name": "VIP区", "price": 380, "color": "#f06292" },
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"B": { "char": "B", "name": "看台区", "price": 180, "color": "#4fc3f7" },
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"C": { "char": "C", "name": "普通区", "price": 80, "color": "#81c784" }
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}
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},
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{
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"id": "room_002",
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"name": "2号演播厅（副厅）",
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"map": [
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"DDDDDDD",
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"DDDDDDD",
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"EEEEEEE"
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],
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"sections": [
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{ "char": "D", "name": "互动区", "price": 280, "color": "#ffb74d" },
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{ "char": "E", "name": "站票区", "price": 50, "color": "#90a4ae" }
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],
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"seats": {
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"D": { "char": "D", "name": "互动区", "price": 280, "color": "#ffb74d" },
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"E": "char": "E", "name": "站票区", "price": 50, "color": "#90a4ae" }
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}
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}
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]
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}
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}
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]
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```
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### 字段说明表
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#### 顶层字段
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| 字段 | 类型 | 前端可用性 | 说明 |
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|------|------|-----------|------|
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| `version` | float | ⚪ 不需要 | 协议版本，用于兼容判断 |
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| `template_id` | int | ⚪ 不需要 | 关联的座位模板 ID，内部使用 |
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| `selected_rooms` | string[] | ✅ 可用 | 用户在后台选中的房间 ID 列表 |
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| `selected_sections` | object | ✅ 可用 | key=房间ID，value=该房间选中的分区字符数组 |
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| `sessions` | object[] | ✅ 可用（**重要**） | 场次列表，每个场次有 start/end/price |
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| `template_snapshot` | object | ✅ 可用（**核心**） | 座位图的完整快照，前端渲染数据来源 |
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#### template_snapshot.venue
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| 字段 | 前端可用性 | 说明 |
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|------|-----------|------|
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| `name` | ✅ 可用 | 场馆名称（用于展示） |
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| `address` | ✅ 可用 | 场馆地址（用于展示） |
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| `location.lng/lat` | ⚠️ 可选 | 经纬度，用于地图展示 |
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| `images` | ✅ 可用 | 场馆图片列表（用于顶部 Banner） |
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#### template_snapshot.rooms[]（每个房间）
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| 字段 | 前端可用性 | 说明 |
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|------|-----------|------|
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| `id` | ✅ 可用（**重要**） | 房间唯一 ID，用于前端 seatKey 构造 |
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| `name` | ✅ 可用 | 房间名称（用于场馆切换选择器） |
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| `map` | ✅ 可用（**核心**） | 座位图字符矩阵，用于渲染座位行 |
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| `sections[]` | ✅ 可用 | 分区列表（char→name/price/color，用于图例 + 分区切换） |
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| `seats` | ✅ 可用 | char→座位属性映射，用于查找座位详情 |
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#### template_snapshot.rooms[].map 格式说明
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`map` 是一个字符串数组，每行对应座位图的一行：
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```json
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["AAAAA_____BBBBB", "AAAAA_____BBBBB"]
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```
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- 字符 `'A'` / `'B'` / `'C'` = 座位（char），通过 `seats[char]` 查到座位属性（分区/价格/颜色）
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- 字符 `'_'` = 空位（不渲染座位元素）
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- 字符 `'-'` = 空位（不渲染座位元素）
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- 其他非字母字符 = 不渲染
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**如何从 map 渲染座位**：
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```javascript
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// map = ["AAAAA_____BBBBB", "AAAAA_____BBBBB"]
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map.forEach(function(rowStr, rowIndex) {
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var rowLabel = String.fromCharCode(65 + rowIndex); // 0→A, 1→B, ...
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var chars = rowStr.split(''); // ['A','A','A','A','A','_',...,'B','B','B','B','B']
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chars.forEach(function(char, colIndex) {
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if (char === '_' || char === '-') return; // 跳过空位
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var seatInfo = rooms[i].seats[char]; // 查到座位属性
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// colIndex + 1 = colNum（列号，从1开始）
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});
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});
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```
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**注意**：PHP `mb_str_split()` 在某些环境不可用，用 `split('')` 即可（座位字符都是 ASCII）。
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---
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## 三、GetGoodsViewData() 注入的模板数据
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这是后端处理后注入到模板的变量，**前端可以直接使用**。
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### 3.1 注入变量总览
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```php
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// Goods.php 票务判断块
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$viewData = \app\plugins\vr_ticket\service\SeatSkuService::GetGoodsViewData($goods_id);
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MyViewAssign([
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'vr_seat_template' => $viewData['vr_seat_template'], // 座位图数据
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'goods_spec_data' => $viewData['goods_spec_data'], // 场次列表
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// 【待新增】
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'seatSpecMap' => $viewData['seatSpecMap'] ?? [], // 座位→规格映射
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]);
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```
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### 3.2 vr_seat_template（注入后模板中访问 `$vr_seat_template`）
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```javascript
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// PHP 模板输出（JSON 注入）
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var vrSeatTemplate = <?php echo json_encode($vr_seat_template ?? [], JSON_UNESCAPED_UNICODE); ?>;
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var seatSpecMap = <?php echo json_encode($seatSpecMap ?? [], JSON_UNESCAPED_UNICODE); ?>;
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var goodsSpecData = <?php echo json_encode($goods_spec_data ?? [], JSON_UNESCAPED_UNICODE); ?>;
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```
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#### vr_seat_template 数据结构
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```javascript
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{
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// === 直接透传 template_snapshot（来源：goods.vr_goods_config）===
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venue: {
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name: "VR 体验馆",
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address: "北京市朝阳区建国路88号",
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location: { lng: "116.45792", lat: "39.90745" },
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images: ["/static/attachments/202603/venue_001.jpg"]
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},
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rooms: [
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{
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id: "room_001",
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name: "1号演播厅",
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map: ["AAAAA_____BBBBB", "AAAAA_____BBBBB", "AAAAA_____BBBBB", "CCCCCCCCCCCCCCC", "CCCCCCCCCCCCCCC"],
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sections: [
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{ char: "A", name: "VIP区", price: 380, color: "#f06292" },
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{ char: "B", name: "看台区", price: 180, color: "#4fc3f7" },
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{ char: "C", name: "普通区", price: 80, color: "#81c784" }
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],
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seats: {
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A: { char: "A", name: "VIP区", price: 380, color: "#f06292" },
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B: { char: "B", name: "看台区", price: 180, color: "#4fc3f7" },
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C: { char: "C", name: "普通区", price: 80, color: "#81c784" }
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}
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},
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{
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id: "room_002",
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name: "2号演播厅（副厅）",
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map: ["DDDDDDD", "DDDDDDD", "EEEEEEE"],
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sections: [
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{ char: "D", name: "互动区", price: 280, color: "#ffb74d" },
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{ char: "E", name: "站票区", price: 50, color: "#90a4ae" }
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],
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seats: {
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D: { char: "D", name: "互动区", price: 280, color: "#ffb74d" },
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E: { char: "E", name: "站票区", price: 50, color: "#90a4ae" }
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}
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}
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],
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sessions: [
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{ start: "15:00", end: "16:59" },
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{ start: "18:00", end: "20:59" }
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],
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// === 来自 goods.vr_goods_config 的原始选择数据 ===
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selectedRooms: ["room_001", "room_002"],
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selectedSections: {
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"room_001": ["A", "B"],
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"room_002": ["A"]
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}
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}
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```
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#### goods_spec_data（场次列表）
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```javascript
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// 来源：goods.vr_goods_config.sessions + GoodsSpecBase.price
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[
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{ spec_id: 2001, spec_name: "15:00-16:59", price: 380, start: "15:00", end: "16:59" },
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{ spec_id: 2002, spec_name: "18:00-20:59", price: 280, start: "18:00", end: "20:59" }
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]
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// ⚠️ 注意：spec_id 是 GoodsSpecBase ID（场次级别，非座位级别）
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// 前端不需要直接使用 spec_id，直接使用 sessions 数组即可
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```
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### 3.3 seatSpecMap（待新增：GetGoodsViewData 返回的核心数据）
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**来源**：`GetGoodsViewData()` 查询 GoodsSpecBase + GoodsSpecValue + GoodsSpecBase.extends，动态构建
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**用途**：前端选中座位后，查表获取该座位的完整 4 维 spec 数组 + 对应 spec_base_id
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```javascript
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// key 格式：{roomId}_{rowLabel}_{colNum}
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// 例如：room_001_A_3 = room_001 的 A排 第3列
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{
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"room_001_A_1": {
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spec_base_id: 10001,
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price: 380,
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inventory: 1,
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rowLabel: "A",
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colNum: 3,
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roomId: "room_001",
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section: { char: "A", name: "VIP区", color: "#f06292" },
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// === 4维 spec 数组（submit() 时直接使用）===
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spec: [
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{ type: "$vr-场馆", value: "VR 体验馆" },
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{ type: "$vr-分区", value: "VR 体验馆-1号演播厅-VIP区" },
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{ type: "$vr-座位号", value: "VR 体验馆-1号演播厅-VIP区-A-1排3座" },
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{ type: "$vr-场次", value: "15:00-16:59" }
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]
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},
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"room_001_A_2": { spec_base_id: 10002, price: 380, inventory: 1, /* ... */ },
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"room_001_A_3": { /* 同上，A排第3座 */ },
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"room_001_B_8": { spec_base_id: 10025, price: 180, inventory: 0, /* 已售 */ },
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"room_002_D_1": { spec_base_id: 20001, price: 280, inventory: 1, /* ... */ },
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// ... 每个可购座位一行
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}
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```
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#### seatSpecMap 生成逻辑（GetGoodsViewData 中实现）
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```php
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// 1. 查询所有有效 GoodsSpecBase（含 extends.seat_key）
|
|||
|
|
$specs = Db::name('GoodsSpecBase')
|
|||
|
|
->where('goods_id', $goodsId)
|
|||
|
|
->where('inventory', '>', 0) // 只取有库存的
|
|||
|
|
->select();
|
|||
|
|
|
|||
|
|
// 2. 查询对应的 GoodsSpecValue（4个维度的值）
|
|||
|
|
$specIds = array_column($specs->toArray(), 'id');
|
|||
|
|
$specValues = Db::name('GoodsSpecValue')
|
|||
|
|
->whereIn('goods_spec_base_id', $specIds)
|
|||
|
|
->select();
|
|||
|
|
|
|||
|
|
// 3. 按 spec_base_id 分组，构建 4维 spec 数组
|
|||
|
|
$specByBaseId = [];
|
|||
|
|
foreach ($specValues as $sv) {
|
|||
|
|
$specByBaseId[$sv['goods_spec_base_id']][] = [
|
|||
|
|
'type' => $sv['type'], // "$vr-场馆" / "$vr-分区" / "$vr-座位号" / "$vr-场次"
|
|||
|
|
'value' => $sv['value'], // 完整路径字符串
|
|||
|
|
];
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// 4. 构建 seatSpecMap
|
|||
|
|
$seatSpecMap = [];
|
|||
|
|
foreach ($specs as $spec) {
|
|||
|
|
$extends = json_decode($spec['extends'] ?? '{}', true);
|
|||
|
|
$seatKey = $extends['seat_key'] ?? ''; // "room_001_A_3" 格式
|
|||
|
|
if (empty($seatKey)) continue;
|
|||
|
|
|
|||
|
|
$seatSpecMap[$seatKey] = [
|
|||
|
|
'spec_base_id' => intval($spec['id']),
|
|||
|
|
'price' => floatval($spec['price']),
|
|||
|
|
'inventory' => intval($spec['inventory']),
|
|||
|
|
'spec' => $specByBaseId[$spec['id']] ?? [],
|
|||
|
|
];
|
|||
|
|
}
|
|||
|
|
```
|
|||
|
|
|
|||
|
|
---
|
|||
|
|
|
|||
|
|
## 四、前端数据使用对照表
|
|||
|
|
|
|||
|
|
### 4.1 渲染座位图（使用 vr_seat_template）
|
|||
|
|
|
|||
|
|
```
|
|||
|
|
数据来源：vr_seat_template.rooms[].map
|
|||
|
|
↓
|
|||
|
|
渲染流程：
|
|||
|
|
rooms[i].map.forEach((rowStr, rowIndex) => {
|
|||
|
|
chars = rowStr.split('') // 逐字符
|
|||
|
|
chars.forEach((char, colIndex) => {
|
|||
|
|
if (char === '_') → 跳过（空位）
|
|||
|
|
seatInfo = rooms[i].seats[char] // 通过 char 查座位属性
|
|||
|
|
seatKey = rooms[i].id + '_' + rowLabel + '_' + (colIndex+1)
|
|||
|
|
// rowLabel = String.fromCharCode(65 + rowIndex) // A/B/C...
|
|||
|
|
});
|
|||
|
|
});
|
|||
|
|
|
|||
|
|
前端关键变量：
|
|||
|
|
- rooms[i].id → roomId（用于 seatKey 构造）
|
|||
|
|
- rooms[i].map → 座位行渲染数据
|
|||
|
|
- rooms[i].seats[char] → 座位属性（name/price/color）
|
|||
|
|
- rooms[i].sections → 图例 + 分区切换
|
|||
|
|
- vrSeatTemplate.selectedRooms → 当前选中的房间列表
|
|||
|
|
- vrSeatTemplate.selectedSections → 当前选中的分区
|
|||
|
|
```
|
|||
|
|
|
|||
|
|
### 4.2 构建 spec 数组（使用 seatSpecMap）
|
|||
|
|
|
|||
|
|
```
|
|||
|
|
数据来源：seatSpecMap[seatKey]
|
|||
|
|
↓
|
|||
|
|
选中座位后：
|
|||
|
|
seatKey = clickedEl.dataset.rowLabel + '_' + clickedEl.dataset.colNum
|
|||
|
|
= "room_001_A_3"
|
|||
|
|
seatInfo = seatSpecMap[seatKey]
|
|||
|
|
|
|||
|
|
submit() 时使用：
|
|||
|
|
goods_data[i].spec = seatInfo.spec // 4维完整 spec 数组！
|
|||
|
|
goods_data[i].stock = 1
|
|||
|
|
|
|||
|
|
ShopXO BuyService 匹配：
|
|||
|
|
→ GoodsSpecValue WHERE type="$vr-场馆" AND value="VR 体验馆"
|
|||
|
|
AND type="$vr-分区" AND value="VR 体验馆-1号演播厅-VIP区"
|
|||
|
|
AND type="$vr-座位号" AND value="VR 体验馆-1号演播厅-VIP区-A-1排3座"
|
|||
|
|
AND type="$vr-场次" AND value="15:00-16:59"
|
|||
|
|
→ 返回 spec_base_id → 拿到 inventory=1, price=380
|
|||
|
|
```
|
|||
|
|
|
|||
|
|
### 4.3 spec 选择器联动过滤（使用 seatSpecMap）
|
|||
|
|
|
|||
|
|
```
|
|||
|
|
数据来源：seatSpecMap（所有座位的完整信息）
|
|||
|
|
↓
|
|||
|
|
filterSeatMap(currentSession, currentVenueId, currentSectionChar):
|
|||
|
|
|
|||
|
|
seatSpecMap 的每一个 entry：
|
|||
|
|
seatInfo.spec 是一个4元素数组
|
|||
|
|
|
|||
|
|
判断逻辑（某座位是否在当前选择分支内）：
|
|||
|
|
hasSession = spec.some(s => s.type==='$vr-场次' && s.value===currentSessionValue)
|
|||
|
|
hasVenue = spec.some(s => s.type==='$vr-场馆' && s.value.includes(currentVenueName))
|
|||
|
|
hasSection = !currentSectionChar || spec.some(s => s.type==='$vr-分区' && s.value.includes(currentSectionChar))
|
|||
|
|
isAvailable = seatInfo.inventory > 0
|
|||
|
|
|
|||
|
|
结果：
|
|||
|
|
hasSession && hasVenue && hasSection && isAvailable → 可选（正常显示）
|
|||
|
|
hasSession && hasVenue && hasSection && !isAvailable → 已售（灰色+sold class）
|
|||
|
|
否则 → 不在分支内（灰色+disabled class）
|
|||
|
|
```
|
|||
|
|
|
|||
|
|
### 4.4 加载已售座位（使用 seatSpecMap.inventory）
|
|||
|
|
|
|||
|
|
```
|
|||
|
|
数据来源：seatSpecMap[seatKey].inventory
|
|||
|
|
↓
|
|||
|
|
页面初始化时，遍历 seatSpecMap：
|
|||
|
|
Object.entries(seatSpecMap).forEach(([seatKey, seatInfo]) => {
|
|||
|
|
if (seatInfo.inventory <= 0) {
|
|||
|
|
// 该座位已售
|
|||
|
|
document.querySelector(`[data-seat-key="${seatKey}"]`).classList.add('sold');
|
|||
|
|
}
|
|||
|
|
});
|
|||
|
|
|
|||
|
|
⚠️ 注意：inventory 字段来自 GoodsSpecBase，库存扣减由 ShopXO 原生处理。
|
|||
|
|
这是当前座位的实时库存，优先于任何前端缓存。
|
|||
|
|
```
|
|||
|
|
|
|||
|
|
---
|
|||
|
|
|
|||
|
|
## 五、前端完整数据流图
|
|||
|
|
|
|||
|
|
```
|
|||
|
|
后端 GetGoodsViewData()
|
|||
|
|
│
|
|||
|
|
├── vr_seat_template.venue ──────────────────→ 顶部 Banner / 场馆信息
|
|||
|
|
├── vr_seat_template.rooms[].map ─────────────────→ 座位图渲染
|
|||
|
|
├── vr_seat_template.rooms[].sections ────────────→ 图例 + 分区选择器
|
|||
|
|
├── vr_seat_template.selectedSections ────────────→ 默认选中的分区（用于高亮）
|
|||
|
|
├── goods_spec_data / vr_seat_template.sessions ──→ 场次选择器
|
|||
|
|
└── seatSpecMap (新增) ─────────────────────────────→ 核心！
|
|||
|
|
│
|
|||
|
|
├── seatSpecMap[seatKey].spec ────────→ submit() 构造 goods_data.spec
|
|||
|
|
├── seatSpecMap[seatKey].inventory ──→ 标记已售 / 灰色
|
|||
|
|
├── seatSpecMap[seatKey].price ──────→ 计算总价
|
|||
|
|
└── filterSeatMap() ─────────────────→ spec 选择器联动过滤
|
|||
|
|
```
|
|||
|
|
|
|||
|
|
---
|
|||
|
|
|
|||
|
|
## 六、注意事项
|
|||
|
|
|
|||
|
|
### 6.1 roomId 从哪里来？
|
|||
|
|
|
|||
|
|
`rooms[i].id`（来自 template_snapshot.rooms）就是 roomId。这是 UUID 或字符串 ID。
|
|||
|
|
|
|||
|
|
**前端构造 seatKey 时必须使用这个 ID**：
|
|||
|
|
```javascript
|
|||
|
|
// 正确：从 rooms[i].id 取
|
|||
|
|
var roomId = rooms[i].id; // "room_001"
|
|||
|
|
|
|||
|
|
// 错误：硬编码或自行生成
|
|||
|
|
var roomId = "room_001"; // ❌ 如果 rooms 结构变了就错了
|
|||
|
|
```
|
|||
|
|
|
|||
|
|
### 6.2 colNum 从哪里来？
|
|||
|
|
|
|||
|
|
colNum 是列号（从 1 开始），不是数组索引：
|
|||
|
|
```javascript
|
|||
|
|
// 正确
|
|||
|
|
var colNum = colIndex + 1; // 0-based 数组索引 → 1-based 列号
|
|||
|
|
|
|||
|
|
// seatKey 格式：{roomId}_{rowLabel}_{colNum}
|
|||
|
|
// 例如：room_001_A_3 = room_001 的 A排 第3列
|
|||
|
|
```
|
|||
|
|
|
|||
|
|
### 6.3 同一个 char 在不同房间代表不同分区
|
|||
|
|
|
|||
|
|
room_001 的 "A" 是 VIP区（红色），room_002 的 "D" 是互动区（橙色）。
|
|||
|
|
|
|||
|
|
**分区信息在 rooms[i].sections 里**，不要直接用 char 本身判断分区。
|
|||
|
|
|
|||
|
|
### 6.4 map 中下划线数量的处理
|
|||
|
|
|
|||
|
|
`"AAAAA_____BBBBB"` 中有 5 个下划线。座位图渲染时：
|
|||
|
|
```javascript
|
|||
|
|
chars.forEach(function(char, colIndex) {
|
|||
|
|
if (char === '_' || char === '-') {
|
|||
|
|
// 渲染一个空白格子（不绑定座位）
|
|||
|
|
return;
|
|||
|
|
}
|
|||
|
|
// 渲染座位，colNum = colIndex + 1
|
|||
|
|
});
|
|||
|
|
```
|