推广中心优化 + 用户资料功能

1. 推广中心优化：
   - 增加"待购买"、"已过期"统计
   - 访问量单独显示
   - 移除10元提现门槛，有收益即可提现
   - 复制文案去掉"专属邀请码"

2. 我的页面：
   - 支持获取微信头像（原生能力）
   - 支持获取微信昵称
   - 新增用户更新API

3. 后台API：
   - referral/data返回expiredCount和expiredUsers
   - 新增user/update接口同步用户信息

miniprogram/pages/referral/referral.js

@@ -19,6 +19,8 @@ Page({
     bindingCount: 0,      // 绑定用户数（当前有效）
     visitCount: 0,        // 通过链接进的人数
     paidCount: 0,         // 带来的付款人数
+    unboughtCount: 0,     // 待购买人数（绑定但未付款）
+    expiredCount: 0,      // 已过期人数
     
     // === 收益数据 ===
     earnings: 0,          // 已结算收益
@@ -84,7 +86,7 @@ Page({
       // 使用真实数据或默认值
       let activeBindings = realData?.activeUsers || []
       let convertedBindings = realData?.convertedUsers || []
-      let expiredBindings = []
+      let expiredBindings = realData?.expiredUsers || []
       
       // 兼容旧字段名
       if (!activeBindings.length && realData?.activeBindings) {
@@ -93,20 +95,40 @@ Page({
       if (!convertedBindings.length && realData?.convertedBindings) {
         convertedBindings = realData.convertedBindings
       }
-      if (realData?.expiredBindings) {
+      if (!expiredBindings.length && realData?.expiredBindings) {
         expiredBindings = realData.expiredBindings
       }
       
       const expiringCount = activeBindings.filter(b => b.daysRemaining <= 7 && b.daysRemaining > 0).length
       
+      // 计算各类统计
+      const bindingCount = realData?.bindingCount || activeBindings.length
+      const paidCount = realData?.paidCount || convertedBindings.length
+      const expiredCount = realData?.expiredCount || expiredBindings.length
+      const unboughtCount = bindingCount  // 绑定中但未付款的
+      
+      // 格式化用户数据
+      const formatUser = (user, type) => ({
+        id: user.id,
+        nickname: user.nickname || '用户' + (user.id || '').slice(-4),
+        avatar: user.avatar,
+        status: type,
+        daysRemaining: user.daysRemaining || 0,
+        bindingDate: user.bindingDate ? this.formatDate(user.bindingDate) : '--',
+        commission: user.commission || 0,
+        orderAmount: user.orderAmount || 0
+      })
+      
       this.setData({
         isLoggedIn: true,
         userInfo,
         
         // 核心可见数据
-        bindingCount: realData?.bindingCount || activeBindings.length,
+        bindingCount,
         visitCount: realData?.visitCount || 0,
-        paidCount: realData?.paidCount || convertedBindings.length,
+        paidCount,
+        unboughtCount,
+        expiredCount,
         
         // 收益数据
         earnings: realData?.earnings || 0,
@@ -119,10 +141,10 @@ Page({
         expiringCount,
         
         referralCode,
-        activeBindings,
-        convertedBindings,
-        expiredBindings,
-        currentBindings: activeBindings,
+        activeBindings: activeBindings.map(u => formatUser(u, 'active')),
+        convertedBindings: convertedBindings.map(u => formatUser(u, 'converted')),
+        expiredBindings: expiredBindings.map(u => formatUser(u, 'expired')),
+        currentBindings: activeBindings.map(u => formatUser(u, 'active')),
         totalBindings: activeBindings.length + convertedBindings.length + expiredBindings.length,
         
         // 收益明细
@@ -353,14 +375,14 @@ Page({
 
   // 分享到朋友圈
   shareToMoments() {
-    const shareText = `🔥 发现一本超棒的创业实战书《Soul创业派对》！\n\n💡 62个真实商业案例，从私域运营到资源整合，干货满满！\n\n🎁 通过我的链接购买立享5%优惠，我是 ${this.data.userInfo?.nickname || '卡若'} 推荐！\n\n👉 ${this.data.referralCode} 是我的专属邀请码\n\n#创业派对 #私域运营 #商业案例`
+    const shareText = `🔥 发现一本超棒的创业实战书《Soul创业派对》！\n\n💡 62个真实商业案例，从私域运营到资源整合，干货满满！\n\n🎁 ${this.data.userInfo?.nickname || '卡若'} 推荐，通过海报扫码购买立享优惠！\n\n#创业派对 #私域运营 #商业案例`
     
     wx.setClipboardData({
       data: shareText,
       success: () => {
         wx.showModal({
           title: '文案已复制',
-          content: '请打开微信朋友圈，粘贴分享文案即可',
+          content: '请打开微信朋友圈，粘贴分享文案，配合推广海报一起发布效果更佳',
           showCancel: false,
           confirmText: '知道了'
         })
@@ -368,12 +390,12 @@ Page({
     })
   },
 
-  // 提现 - 直接到微信零钱
+  // 提现 - 直接到微信零钱（无门槛）
   async handleWithdraw() {
     const pendingEarnings = parseFloat(this.data.pendingEarnings) || 0
     
-    if (pendingEarnings < 10) {
-      wx.showToast({ title: '满10元可提现', icon: 'none' })
+    if (pendingEarnings <= 0) {
+      wx.showToast({ title: '暂无可提现收益', icon: 'none' })
       return
     }
     
@@ -480,5 +502,14 @@ Page({
 
   goBack() { 
     wx.navigateBack() 
+  },
+  
+  // 格式化日期
+  formatDate(dateStr) {
+    if (!dateStr) return '--'
+    const d = new Date(dateStr)
+    const month = (d.getMonth() + 1).toString().padStart(2, '0')
+    const day = d.getDate().toString().padStart(2, '0')
+    return `${month}-${day}`
   }
 })