feat: 支持章节通过 mid 进行访问，优化阅读跳转逻辑。新增章节数据结构，包含章节的 mid 信息，提升用户体验。更新 API 以支持通过 mid 查询章节内容，确保兼容性与灵活性。

miniprogram/pages/chapters/chapters.js

@@ -6,200 +6,66 @@
  */
 
 const app = getApp()
+const PART_NUMBERS = { 'part-1': '一', 'part-2': '二', 'part-3': '三', 'part-4': '四', 'part-5': '五' }
+
+function buildNestedBookData(list) {
+  const parts = {}
+  const appendices = []
+  let epilogueMid = 0
+  let prefaceMid = 0
+  list.forEach(ch => {
+    if (ch.id === 'preface') {
+      prefaceMid = ch.mid || 0
+      return
+    }
+    const section = {
+      id: ch.id,
+      mid: ch.mid || 0,
+      title: ch.sectionTitle || ch.chapterTitle || ch.id,
+      isFree: !!ch.isFree,
+      price: ch.price != null ? Number(ch.price) : 1
+    }
+    if (ch.id === 'epilogue') {
+      epilogueMid = ch.mid || 0
+      return
+    }
+    if ((ch.id || '').startsWith('appendix')) {
+      appendices.push({ id: ch.id, mid: ch.mid || 0, title: ch.sectionTitle || ch.chapterTitle || ch.id })
+      return
+    }
+    if (!ch.partId || ch.id === 'preface') return
+    const pid = ch.partId
+    const cid = ch.chapterId || 'chapter-' + (ch.id || '').split('.')[0]
+    if (!parts[pid]) {
+      parts[pid] = { id: pid, number: PART_NUMBERS[pid] || pid, title: ch.partTitle || pid, subtitle: ch.chapterTitle || '', chapters: {} }
+    }
+    if (!parts[pid].chapters[cid]) {
+      parts[pid].chapters[cid] = { id: cid, title: ch.chapterTitle || cid, sections: [] }
+    }
+    parts[pid].chapters[cid].sections.push(section)
+  })
+  const bookData = Object.values(parts)
+    .sort((a, b) => (a.id || '').localeCompare(b.id || ''))
+    .map(p => ({
+      ...p,
+      chapters: Object.values(p.chapters).sort((a, b) => (a.id || '').localeCompare(b.id || ''))
+    }))
+  return { bookData, appendixList: appendices, epilogueMid, prefaceMid }
+}
 
 Page({
   data: {
-    // 系统信息
     statusBarHeight: 44,
     navBarHeight: 88,
-    
-    // 用户状态
     isLoggedIn: false,
     hasFullBook: false,
     purchasedSections: [],
-    
-    // 书籍数据 - 完整真实标题
     totalSections: 62,
-    bookData: [
-      {
-        id: 'part-1',
-        number: '一',
-        title: '真实的人',
-        subtitle: '人与人之间的底层逻辑',
-        chapters: [
-          {
-            id: 'chapter-1',
-            title: '第1章｜人与人之间的底层逻辑',
-            sections: [
-              { id: '1.1', title: '荷包：电动车出租的被动收入模式', isFree: true, price: 1 },
-              { id: '1.2', title: '老墨:资源整合高手的社交方法', isFree: false, price: 1 },
-              { id: '1.3', title: '笑声背后的MBTI：为什么ENTJ适合做资源，INTP适合做系统', isFree: false, price: 1 },
-              { id: '1.4', title: '人性的三角结构：利益、情感、价值观', isFree: false, price: 1 },
-              { id: '1.5', title: '沟通差的问题：为什么你说的别人听不懂', isFree: false, price: 1 }
-            ]
-          },
-          {
-            id: 'chapter-2',
-            title: '第2章｜人性困境案例',
-            sections: [
-              { id: '2.1', title: '相亲故事:你以为找的是人,实际是在找模式', isFree: false, price: 1 },
-              { id: '2.2', title: '找工作迷茫者:为什么简历解决不了人生', isFree: false, price: 1 },
-              { id: '2.3', title: '撸运费险:小钱困住大脑的真实心理', isFree: false, price: 1 },
-              { id: '2.4', title: '游戏上瘾的年轻人:不是游戏吸引他,是生活没吸引力', isFree: false, price: 1 },
-              { id: '2.5', title: '健康焦虑(我的糖尿病经历):疾病是人生的第一次清醒', isFree: false, price: 1 }
-            ]
-          }
-        ]
-      },
-      {
-        id: 'part-2',
-        number: '二',
-        title: '真实的行业',
-        subtitle: '电商、内容、传统行业解析',
-        chapters: [
-          {
-            id: 'chapter-3',
-            title: '第3章｜电商篇',
-            sections: [
-              { id: '3.1', title: '3000万流水如何跑出来(退税模式解析)', isFree: false, price: 1 },
-              { id: '3.2', title: '供应链之王 vs 打工人:利润不在前端', isFree: false, price: 1 },
-              { id: '3.3', title: '社区团购的底层逻辑', isFree: false, price: 1 },
-              { id: '3.4', title: '跨境电商与退税套利', isFree: false, price: 1 }
-            ]
-          },
-          {
-            id: 'chapter-4',
-            title: '第4章｜内容商业篇',
-            sections: [
-              { id: '4.1', title: '旅游号:30天10万粉的真实逻辑', isFree: false, price: 1 },
-              { id: '4.2', title: '做号工厂:如何让一个号变成一个机器', isFree: false, price: 1 },
-              { id: '4.3', title: '情绪内容为什么比专业内容更赚钱', isFree: false, price: 1 },
-              { id: '4.4', title: '猫与宠物号:为什么宠物赛道永不过时', isFree: false, price: 1 },
-              { id: '4.5', title: '直播间里的三种人:演员、技术工、系统流', isFree: false, price: 1 }
-            ]
-          },
-          {
-            id: 'chapter-5',
-            title: '第5章｜传统行业篇',
-            sections: [
-              { id: '5.1', title: '拍卖行抱朴：一天240万的摇号生意', isFree: false, price: 1 },
-              { id: '5.2', title: '土地拍卖：招拍挂背后的游戏规则', isFree: false, price: 1 },
-              { id: '5.3', title: '地摊经济数字化：一个月900块的餐车生意', isFree: false, price: 1 },
-              { id: '5.4', title: '不良资产拍卖：我错过的一个亿佣金', isFree: false, price: 1 },
-              { id: '5.5', title: '桶装水李总：跟物业合作的轻资产模式', isFree: false, price: 1 }
-            ]
-          }
-        ]
-      },
-      {
-        id: 'part-3',
-        number: '三',
-        title: '真实的错误',
-        subtitle: '我和别人犯过的错',
-        chapters: [
-          {
-            id: 'chapter-6',
-            title: '第6章｜我人生错过的4件大钱',
-            sections: [
-              { id: '6.1', title: '电商财税窗口：2016年的千万级机会', isFree: false, price: 1 },
-              { id: '6.2', title: '供应链金融：我不懂的杠杆游戏', isFree: false, price: 1 },
-              { id: '6.3', title: '内容红利：2019年我为什么没做抖音', isFree: false, price: 1 },
-              { id: '6.4', title: '数据资产化：我还在观望的未来机会', isFree: false, price: 1 }
-            ]
-          },
-          {
-            id: 'chapter-7',
-            title: '第7章｜别人犯的错误',
-            sections: [
-              { id: '7.1', title: '投资房年轻人的迷茫:资金 vs 能力', isFree: false, price: 1 },
-              { id: '7.2', title: '信息差骗局:永远有人靠卖学习赚钱', isFree: false, price: 1 },
-              { id: '7.3', title: '在Soul找恋爱但想赚钱的人', isFree: false, price: 1 },
-              { id: '7.4', title: '创业者的三种死法:冲动、轻信、没结构', isFree: false, price: 1 },
-              { id: '7.5', title: '人情生意的终点:关系越多亏得越多', isFree: false, price: 1 }
-            ]
-          }
-        ]
-      },
-      {
-        id: 'part-4',
-        number: '四',
-        title: '真实的赚钱',
-        subtitle: '底层结构与真实案例',
-        chapters: [
-          {
-            id: 'chapter-8',
-            title: '第8章｜底层结构',
-            sections: [
-              { id: '8.1', title: '流量杠杆:抖音、Soul、飞书', isFree: false, price: 1 },
-              { id: '8.2', title: '价格杠杆:供应链与信息差', isFree: false, price: 1 },
-              { id: '8.3', title: '时间杠杆:自动化 + AI', isFree: false, price: 1 },
-              { id: '8.4', title: '情绪杠杆:咨询、婚恋、生意场', isFree: false, price: 1 },
-              { id: '8.5', title: '社交杠杆:认识谁比你会什么更重要', isFree: false, price: 1 },
-              { id: '8.6', title: '云阿米巴:分不属于自己的钱', isFree: false, price: 1 }
-            ]
-          },
-          {
-            id: 'chapter-9',
-            title: '第9章｜我在Soul上亲访的赚钱案例',
-            sections: [
-              { id: '9.1', title: '游戏账号私域:账号即资产', isFree: false, price: 1 },
-              { id: '9.2', title: '健康包模式:高复购、高毛利', isFree: false, price: 1 },
-              { id: '9.3', title: '药物私域:长期关系赛道', isFree: false, price: 1 },
-              { id: '9.4', title: '残疾机构合作:退税 × AI × 人力成本', isFree: false, price: 1 },
-              { id: '9.5', title: '私域银行:粉丝即小股东', isFree: false, price: 1 },
-              { id: '9.6', title: 'Soul派对房:陌生人成交的最快场景', isFree: false, price: 1 },
-              { id: '9.7', title: '飞书中台:从聊天到成交的流程化体系', isFree: false, price: 1 },
-              { id: '9.8', title: '餐饮女孩：6万营收、1万利润的死撑生意', isFree: false, price: 1 },
-              { id: '9.9', title: '电竞生态：从陪玩到签约到酒店的完整链条', isFree: false, price: 1 },
-              { id: '9.10', title: '淘客大佬：损耗30%的白色通道', isFree: false, price: 1 },
-              { id: '9.11', title: '蔬菜供应链：农户才是最赚钱的人', isFree: false, price: 1 },
-              { id: '9.12', title: '美业整合：一个人的公司如何月入十万', isFree: false, price: 1 },
-              { id: '9.13', title: 'AI工具推广：一个隐藏的高利润赛道', isFree: false, price: 1 },
-              { id: '9.14', title: '大健康私域：一个月150万的70后', isFree: false, price: 1 }
-            ]
-          }
-        ]
-      },
-      {
-        id: 'part-5',
-        number: '五',
-        title: '真实的社会',
-        subtitle: '未来职业与商业生态',
-        chapters: [
-          {
-            id: 'chapter-10',
-            title: '第10章｜未来职业的变化趋势',
-            sections: [
-              { id: '10.1', title: 'AI时代：哪些工作会消失，哪些会崛起', isFree: false, price: 1 },
-              { id: '10.2', title: '一人公司：为什么越来越多人选择单干', isFree: false, price: 1 },
-              { id: '10.3', title: '为什么链接能力会成为第一价值', isFree: false, price: 1 },
-              { id: '10.4', title: '新型公司:Soul-飞书-线下的三位一体', isFree: false, price: 1 }
-            ]
-          },
-          {
-            id: 'chapter-11',
-            title: '第11章｜中国社会商业生态的未来',
-            sections: [
-              { id: '11.1', title: '私域经济：为什么流量越来越贵', isFree: false, price: 1 },
-              { id: '11.2', title: '银发经济与孤独经济：两个被忽视的万亿市场', isFree: false, price: 1 },
-              { id: '11.3', title: '流量红利的终局', isFree: false, price: 1 },
-              { id: '11.4', title: '大模型 + 供应链的组合拳', isFree: false, price: 1 },
-              { id: '11.5', title: '社会分层的最终逻辑', isFree: false, price: 1 }
-            ]
-          }
-        ]
-      }
-    ],
-    
-    // 展开状态
-    expandedPart: 'part-1',
-    
-    // 附录
-    appendixList: [
-      { id: 'appendix-1', title: '附录1｜Soul派对房精选对话' },
-      { id: 'appendix-2', title: '附录2｜创业者自检清单' },
-      { id: 'appendix-3', title: '附录3｜本书提到的工具和资源' }
-    ]
+    bookData: [],
+    expandedPart: null,
+    appendixList: [],
+    epilogueMid: 0,
+    prefaceMid: 0
   },
 
   onLoad() {
@@ -208,10 +74,44 @@ Page({
       navBarHeight: app.globalData.navBarHeight
     })
     this.updateUserStatus()
+    this.loadAndEnrichBookData()
+  },
+
+  async loadAndEnrichBookData() {
+    try {
+      let list = app.globalData.bookData || []
+      if (!list.length) {
+        const res = await app.request('/api/miniprogram/book/all-chapters')
+        if (res?.data) {
+          list = res.data
+          app.globalData.bookData = list
+        }
+      }
+      if (!list.length) {
+        this.setData({ bookData: [], appendixList: [] })
+        return
+      }
+      const { bookData, appendixList, epilogueMid, prefaceMid } = buildNestedBookData(list)
+      const firstPartId = bookData[0]?.id || null
+      this.setData({
+        bookData,
+        appendixList,
+        epilogueMid,
+        prefaceMid,
+        totalSections: list.length,
+        expandedPart: firstPartId || this.data.expandedPart
+      })
+    } catch (e) {
+      console.error('[Chapters] 加载目录失败:', e)
+      this.setData({ bookData: [], appendixList: [] })
+    }
   },
 
   onShow() {
-    // 设置TabBar选中状态
+    this.updateUserStatus()
+    if (!app.globalData.bookData?.length) {
+      this.loadAndEnrichBookData()
+    }
     if (typeof this.getTabBar === 'function' && this.getTabBar()) {
       const tabBar = this.getTabBar()
       if (tabBar.updateSelected) {
@@ -220,7 +120,6 @@ Page({
         tabBar.setData({ selected: 1 })
       }
     }
-    this.updateUserStatus()
   },
 
   // 更新用户状态
@@ -237,10 +136,11 @@ Page({
     })
   },
 
-  // 跳转到阅读页
   goToRead(e) {
     const id = e.currentTarget.dataset.id
-    wx.navigateTo({ url: `/pages/read/read?id=${id}` })
+    const mid = e.currentTarget.dataset.mid || app.getSectionMid(id)
+    const q = mid ? `mid=${mid}` : `id=${id}`
+    wx.navigateTo({ url: `/pages/read/read?${q}` })
   },
 
   // 检查是否已购买

miniprogram/pages/chapters/chapters.wxml

@@ -35,7 +35,7 @@
   <!-- 目录内容 -->
   <view class="chapters-content">
     <!-- 序言 -->
-    <view class="chapter-item" bindtap="goToRead" data-id="preface">
+    <view class="chapter-item" bindtap="goToRead" data-id="preface" data-mid="{{prefaceMid}}">
       <view class="item-left">
         <view class="item-icon icon-brand">📖</view>
         <text class="item-title">序言｜为什么我每天早上6点在Soul开播?</text>
@@ -71,7 +71,7 @@
               <view class="chapter-header">{{chapter.title}}</view>
               <view class="section-list">
                 <block wx:for="{{chapter.sections}}" wx:key="id" wx:for-item="section">
-                  <view class="section-item" bindtap="goToRead" data-id="{{section.id}}">
+                  <view class="section-item" bindtap="goToRead" data-id="{{section.id}}" data-mid="{{section.mid}}">
                     <view class="section-left">
                       <text class="section-lock {{section.isFree || hasFullBook || purchasedSections.indexOf(section.id) > -1 ? 'lock-open' : 'lock-closed'}}">{{section.isFree || hasFullBook || purchasedSections.indexOf(section.id) > -1 ? '○' : '●'}}</text>
                       <text class="section-title {{section.isFree || hasFullBook || purchasedSections.indexOf(section.id) > -1 ? '' : 'text-muted'}}">{{section.id}} {{section.title}}</text>
@@ -92,7 +92,7 @@
     </view>
 
     <!-- 尾声 -->
-    <view class="chapter-item" bindtap="goToRead" data-id="epilogue">
+    <view class="chapter-item" bindtap="goToRead" data-id="epilogue" data-mid="{{epilogueMid}}">
       <view class="item-left">
         <view class="item-icon icon-brand">📖</view>
         <text class="item-title">尾声｜这本书的真实目的</text>
@@ -113,6 +113,7 @@
           wx:key="id"
           bindtap="goToRead"
           data-id="{{item.id}}"
+          data-mid="{{item.mid}}"
         >
           <text class="appendix-text">{{item.title}}</text>
           <text class="appendix-arrow">→</text>