优化小程序推荐码处理逻辑，支持通过扫码场景解析推荐码和初始章节ID。新增获取用户邀请码的功能以便于分享。更新分享配置，确保分享时自动带上推荐码。调整部分页面逻辑以提升用户体验。

miniprogram/pages/scan/scan.js

@@ -0,0 +1,157 @@
+/**
+ * Soul创业派对 - 扫码解析页
+ * 扫描二维码/条形码，展示解析内容
+ */
+const app = getApp()
+
+Page({
+  data: {
+    statusBarHeight: 44,
+    // 最近一次解析结果
+    lastResult: null,
+    scanType: '',
+    charSet: '',
+    // 小程序码解析（路径、参数）
+    parsedPath: null,
+    parsedQuery: [],
+    canNavigate: false,
+    // 历史记录
+    history: []
+  },
+
+  onLoad() {
+    this.setData({
+      statusBarHeight: app.globalData.statusBarHeight || 44
+    })
+    this.loadHistory()
+  },
+
+  loadHistory() {
+    try {
+      const history = wx.getStorageSync('scanHistory') || []
+      this.setData({ history })
+    } catch (e) {
+      console.log('加载扫码历史失败:', e)
+    }
+  },
+
+  saveToHistory(result, scanType, charSet) {
+    const item = { result, scanType, charSet, time: new Date().toLocaleString() }
+    let history = wx.getStorageSync('scanHistory') || []
+    history = [item, ...history].slice(0, 10)
+    wx.setStorageSync('scanHistory', history)
+    this.setData({ history })
+  },
+
+  // 解析小程序码内容：path?key=val 或 path
+  parseMiniProgramCode(result) {
+    if (!result || typeof result !== 'string') return { path: null, query: [], canNavigate: false }
+    const idx = result.indexOf('?')
+    let path = idx >= 0 ? result.slice(0, idx) : result
+    const qs = idx >= 0 ? result.slice(idx + 1) : ''
+    path = path.replace(/^\//, '').trim()
+    const query = []
+    if (qs) {
+      qs.split('&').forEach(pair => {
+        const eq = pair.indexOf('=')
+        const k = eq >= 0 ? pair.slice(0, eq) : pair
+        const v = eq >= 0 ? pair.slice(eq + 1) : ''
+        try {
+          if (k) query.push({ key: decodeURIComponent(k), value: decodeURIComponent(v) })
+        } catch (_) {
+          if (k) query.push({ key: k, value: v })
+        }
+      })
+    }
+    const isMiniProgramPath = /^pages\/[\w-]+\/[\w-]+$/.test(path)
+    return { path: path || null, query, canNavigate: isMiniProgramPath }
+  },
+
+  // 发起扫码（支持小程序码）
+  doScan() {
+    wx.scanCode({
+      onlyFromCamera: false,
+      scanType: ['qrCode', 'barCode'],
+      success: (res) => {
+        const { result, scanType, charSet } = res
+        const parsed = this.parseMiniProgramCode(result)
+        this.setData({
+          lastResult: result,
+          scanType: scanType || '未知',
+          charSet: charSet || '',
+          parsedPath: parsed.path,
+          parsedQuery: parsed.query,
+          canNavigate: parsed.canNavigate
+        })
+        this.saveToHistory(result, scanType, charSet)
+      },
+      fail: (err) => {
+        if (err.errMsg && err.errMsg.includes('cancel')) {
+          return
+        }
+        wx.showToast({ title: err.errMsg || '扫码失败', icon: 'none' })
+      }
+    })
+  },
+
+  // 复制内容
+  copyResult() {
+    const { lastResult } = this.data
+    if (!lastResult) {
+      wx.showToast({ title: '暂无解析内容', icon: 'none' })
+      return
+    }
+    wx.setClipboardData({
+      data: lastResult,
+      success: () => wx.showToast({ title: '已复制', icon: 'success' })
+    })
+  },
+
+  // 清空当前结果
+  clearResult() {
+    this.setData({
+      lastResult: null, scanType: '', charSet: '',
+      parsedPath: null, parsedQuery: [], canNavigate: false
+    })
+  },
+
+  // 打开解析出的小程序页面
+  openParsedPage() {
+    const { parsedPath, parsedQuery } = this.data
+    if (!parsedPath || !this.data.canNavigate) {
+      wx.showToast({ title: '非本小程序页面', icon: 'none' })
+      return
+    }
+    const queryStr = parsedQuery.length
+      ? '?' + parsedQuery.map(q => `${encodeURIComponent(q.key)}=${encodeURIComponent(q.value)}`).join('&')
+      : ''
+    const url = `/${parsedPath}${queryStr}`
+    const tabPages = ['pages/index/index', 'pages/chapters/chapters', 'pages/match/match', 'pages/my/my']
+    if (tabPages.includes(parsedPath)) {
+      wx.switchTab({ url: `/${parsedPath}` })
+    } else {
+      wx.navigateTo({ url })
+    }
+  },
+
+  // 清空历史
+  clearHistory() {
+    wx.setStorageSync('scanHistory', [])
+    this.setData({ history: [], lastResult: null, scanType: '', charSet: '' })
+    wx.showToast({ title: '已清空', icon: 'success' })
+  },
+
+  // 点击历史项复制
+  onHistoryItemTap(e) {
+    const result = e.currentTarget.dataset.result
+    if (!result) return
+    wx.setClipboardData({
+      data: result,
+      success: () => wx.showToast({ title: '已复制', icon: 'success' })
+    })
+  },
+
+  goBack() {
+    wx.navigateBack()
+  }
+})