Blizzard
318 lines
13 KiB
JavaScript
318 lines
13 KiB
JavaScript
/**
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* 会员/订阅中心
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*
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* 支持两种入口模式：
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* mode=vip（默认）: 开通全频道会员
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* mode=channel : 订阅指定频道，URL 需带 channelId/channelName/monthlyPrice/quarterlyPrice/annualPrice
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*/
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const app = getApp()
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const api = require('../../utils/api')
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Page({
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data: {
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isVip: false,
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// 模式：'vip' | 'channel'
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mode: 'vip',
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// 频道订阅模式下的频道信息
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channelId: '',
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channelName: '',
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monthlyPrice: 0,
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quarterlyPrice: 0,
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annualPrice: 0,
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// 预计算（WXML 不支持方法调用）
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_quarterlySaving: 0,
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_quarterlyMonthly: '0',
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_annualSaving: 0,
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_annualMonthly: '0',
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// 当前选中的套餐，vip 模式固定 'vip-all'，channel 模式为 'monthly'|'quarterly'|'annual'
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selectedPlan: 'vip-all',
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currentPrice: '19.9'
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},
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onLoad(options) {
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const isChannelMode = !!options.channelId
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if (isChannelMode) {
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// ─── 频道订阅模式 ───
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const monthly = (parseFloat(options.monthlyPrice) || 0) / 100
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const quarterly = (parseFloat(options.quarterlyPrice) || 0) / 100
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const annual = (parseFloat(options.annualPrice) || 0) / 100
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let defaultPlan = 'monthly'
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let defaultPrice = monthly
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if (annual > 0) { defaultPlan = 'annual'; defaultPrice = annual }
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else if (quarterly > 0) { defaultPlan = 'quarterly'; defaultPrice = quarterly }
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this.setData({
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mode: 'channel',
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channelId: options.channelId,
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channelName: decodeURIComponent(options.channelName || ''),
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monthlyPrice: monthly,
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quarterlyPrice: quarterly,
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annualPrice: annual,
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selectedPlan: defaultPlan,
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currentPrice: defaultPrice.toFixed(2),
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_quarterlySaving: (monthly > 0 && quarterly > 0) ? Math.round(monthly * 3 - quarterly) : 0,
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_quarterlyMonthly: quarterly > 0 ? (quarterly / 3).toFixed(1) : '0',
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_annualSaving: (monthly > 0 && annual > 0) ? Math.round(monthly * 12 - annual) : 0,
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_annualMonthly: annual > 0 ? (annual / 12).toFixed(1) : '0'
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})
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} else {
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// ─── VIP 会员模式 ───
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const gd = app.globalData
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this.setData({
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mode: 'vip',
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isVip: gd.isVip,
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selectedPlan: 'vip-all',
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currentPrice: '--',
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vipExpireAt: gd.vipExpireAt ? gd.vipExpireAt.substring(0, 10) : ''
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})
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// 从后端拉 VIP 配置
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this._loadVipConfig()
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}
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},
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_loadVipConfig() {
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const self = this
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api.getVipConfig().then(function (res) {
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if (res.code === 200 && res.data) {
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var cfg = res.data
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// 后端单位：分 → 元
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var price = cfg.discountedPrice > 0 ? (cfg.discountedPrice / 100).toFixed(2) : (cfg.price / 100).toFixed(2)
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var originalPrice = cfg.price > 0 ? (cfg.price / 100).toFixed(2) : ''
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var hasDiscount = cfg.discountedPrice > 0 && cfg.discountedPrice < cfg.price
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self.setData({
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currentPrice: price,
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vipPrice: price,
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vipOriginalPrice: hasDiscount ? originalPrice : '',
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vipRemark: cfg.remark || ''
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})
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}
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}).catch(function (err) {
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console.error('[VIP] 获取配置失败:', err)
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// 容错：使用默认价格
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self.setData({ currentPrice: '19.90', vipPrice: '19.90', vipOriginalPrice: '29.90' })
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})
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},
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onShow() {
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if (this.data.mode === 'vip') {
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this.setData({ isVip: app.globalData.isVip })
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}
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},
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/** 选择套餐 */
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selectPlan(e) {
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const plan = e.currentTarget.dataset.plan
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let price = '19.9'
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if (this.data.mode === 'channel') {
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const map = {
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monthly: this.data.monthlyPrice,
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quarterly: this.data.quarterlyPrice,
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annual: this.data.annualPrice
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}
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price = (map[plan] || 0).toFixed(2)
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}
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this.setData({ selectedPlan: plan, currentPrice: price })
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},
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/** 发起支付 */
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onPay() {
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const self = this
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const { mode, selectedPlan, currentPrice, channelId } = this.data
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if (mode === 'vip') {
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// ── VIP 永久会员：调后端预支付接口 ──
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wx.showLoading({ title: '获取支付信息...' })
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api.initiateVipPayment()
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.then(function (res) {
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if (res.code !== 200 || !res.data || !res.data.payments) {
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wx.hideLoading()
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wx.showToast({ title: res.msg || '获取支付信息失败', icon: 'none' })
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return
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}
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const payments = res.data.payments
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const outTradeNo = res.data.outTradeNo
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wx.hideLoading()
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wx.requestPayment({
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timeStamp: payments.timeStamp,
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nonceStr: payments.nonceStr,
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package: payments.package,
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signType: payments.signType || 'RSA',
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paySign: payments.paySign,
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success() {
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self._pollVipStatus(outTradeNo, 3, 2000)
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},
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fail(err) {
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if (err.errMsg && err.errMsg.indexOf('cancel') > -1) return
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wx.showToast({ title: '支付失败，请重试', icon: 'none' })
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console.error('[VIP支付] wx.requestPayment 失败:', err)
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}
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})
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})
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.catch(function (err) {
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wx.hideLoading()
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console.error('[VIP支付] 接口请求失败:', err)
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wx.showToast({ title: '网络异常，请重试', icon: 'none' })
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})
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return
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}
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// ── 频道订阅：唤起微信支付 ──
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if (!selectedPlan) {
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wx.showToast({ title: '请选择订阅方案', icon: 'none' })
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return
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}
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// 套餐 → type 映射（后端约定：1=包月 2=包季 3=包年）
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const typeMap = { monthly: '1', quarterly: '2', annual: '3' }
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const payType = typeMap[selectedPlan]
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if (!payType) {
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wx.showToast({ title: '未知套餐类型', icon: 'none' })
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return
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}
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wx.showLoading({ title: '获取支付信息...' })
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api.unlockChannel(channelId, payType)
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.then(function (res) {
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if (res.code !== 200 || !res.data || !res.data.payments) {
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wx.hideLoading()
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wx.showToast({ title: res.msg || '获取支付信息失败', icon: 'none' })
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return
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}
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const payments = res.data.payments
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const outTradeNo = res.data.outTradeNo
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wx.hideLoading()
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// 唤起微信支付
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wx.requestPayment({
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timeStamp: payments.timeStamp,
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nonceStr: payments.nonceStr,
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package: payments.package,
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signType: payments.signType || 'RSA',
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paySign: payments.paySign,
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success() {
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// 支付 UI 完成后，主动轮询查询支付结果
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// 策略：立即查一次，失败则间隔 2s 重试，最多 3 次
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// 原因：微信回调是异步的，可能比 success 回调晚几秒到
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self._pollPayStatus(outTradeNo, 3, 2000)
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},
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fail(err) {
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if (err.errMsg && err.errMsg.indexOf('cancel') > -1) {
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return // 用户主动取消，静默处理
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}
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wx.showToast({ title: '支付失败，请重试', icon: 'none' })
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console.error('[支付] wx.requestPayment 失败:', err)
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}
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})
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})
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.catch(function (err) {
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wx.hideLoading()
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console.error('[支付] unlockChannel 请求失败:', err)
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wx.showToast({ title: '网络异常，请重试', icon: 'none' })
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})
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},
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/**
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* 轮询支付状态
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* @param {string} outTradeNo 商户订单号
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* @param {number} retries 剩余重试次数
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* @param {number} interval 每次重试间隔（ms）
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*/
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_pollPayStatus(outTradeNo, retries, interval) {
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const self = this
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wx.showLoading({ title: '验证中...' })
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api.queryPayStatus(outTradeNo)
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.then(function (paid) {
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if (paid) {
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// ✅ 支付确认成功
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wx.hideLoading()
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wx.showToast({ title: '订阅成功！', icon: 'success' })
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app.emit('subscriptionChange')
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setTimeout(function () { wx.navigateBack() }, 1500)
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} else if (retries > 1) {
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// 🔄 尚未到账，等待后重试（回调可能还在路上）
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setTimeout(function () {
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self._pollPayStatus(outTradeNo, retries - 1, interval)
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}, interval)
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} else {
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// ⏳ 重试耗尽：回调可能仍在处理，给用户友好提示后返回
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wx.hideLoading()
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wx.showModal({
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title: '支付处理中',
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content: '支付已完成，订阅正在确认中，稍后请刷新查看',
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showCancel: false,
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success: function () { wx.navigateBack() }
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})
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}
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})
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.catch(function (err) {
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wx.hideLoading()
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console.error('[支付] 查询状态失败:', err)
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// 查询本身网络失败，乐观处理——让后端 webhook 兜底
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wx.showModal({
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title: '支付处理中',
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content: '支付已提交，订阅确认中，稍后请刷新查看',
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showCancel: false,
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success: function () { wx.navigateBack() }
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})
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})
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},
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/**
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* 轮询 VIP 支付状态
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* 成功后更新全局 isVip + 触发 vipChange 事件
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*/
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_pollVipStatus(outTradeNo, retries, interval) {
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const self = this
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wx.showLoading({ title: '验证中...' })
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api.queryPayStatus(outTradeNo)
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.then(function (paid) {
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if (paid) {
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// ✅ VIP 开通确认成功
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wx.hideLoading()
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// 更新全局状态
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app.globalData.isVip = true
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app.emit('vipChange', { isVip: true })
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self.setData({ isVip: true })
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wx.showToast({ title: '🎉 VIP 开通成功！', icon: 'none' })
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setTimeout(function () { wx.navigateBack() }, 1500)
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} else if (retries > 1) {
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// 🔄 尚未到账，等待后重试
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setTimeout(function () {
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self._pollVipStatus(outTradeNo, retries - 1, interval)
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}, interval)
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} else {
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// ⏳ 重试耗尽，乐观提示
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wx.hideLoading()
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wx.showModal({
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title: '支付处理中',
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content: 'VIP 开通已提交，正在确认中，稍后请重新进入查看',
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showCancel: false,
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success: function () { wx.navigateBack() }
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})
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}
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})
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.catch(function (err) {
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wx.hideLoading()
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console.error('[VIP支付] 查询状态失败:', err)
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wx.showModal({
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title: '支付处理中',
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content: 'VIP 开通已提交，稍后请刷新查看是否生效',
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showCancel: false,
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success: function () { wx.navigateBack() }
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})
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})
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},
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goBack() {
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wx.navigateBack()
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}
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})
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