更新支付和推荐系统逻辑，新增根据推荐配置计算支付金额的功能，确保用户享受优惠。调整绑定推荐关系的有效期读取方式，支持从配置中获取。优化提现流程，增加最低提现金额的配置读取，提升系统灵活性和用户体验。同时，更新管理界面中的支付设置链接，确保一致性。

2026-02-05 18:45:28 +08:00
parent 19d0e625db
commit 1a95aee112
9 changed files with 858 additions and 24 deletions
--- a/app/admin/layout.tsx
+++ b/app/admin/layout.tsx
@@ -47,7 +47,7 @@ export default function AdminLayout({ children }: { children: React.ReactNode })
    { icon: BookOpen, label: "内容管理", href: "/admin/content" },
    { icon: Users, label: "用户管理", href: "/admin/users" },
    { icon: Wallet, label: "交易中心", href: "/admin/distribution" }, // 合并：分销+订单+提现
-    { icon: CreditCard, label: "支付设置", href: "/admin/payment" },
+    { icon: CreditCard, label: "推广设置", href: "/admin/referral-settings" }, // 单独入口，集中管理分销配置
    { icon: Settings, label: "系统设置", href: "/admin/settings" },
  ]

--- a/app/admin/referral-settings/page.tsx
+++ b/app/admin/referral-settings/page.tsx
@@ -0,0 +1,272 @@
+"use client"
+
+import { useEffect, useState } from "react"
+import { Card, CardContent, CardDescription, CardHeader, CardTitle } from "@/components/ui/card"
+import { Label } from "@/components/ui/label"
+import { Input } from "@/components/ui/input"
+import { Button } from "@/components/ui/button"
+import { Switch } from "@/components/ui/switch"
+import { Slider } from "@/components/ui/slider"
+import { Badge } from "@/components/ui/badge"
+import { Save, Percent, Users, Wallet, Info } from "lucide-react"
+
+type ReferralConfig = {
+  distributorShare: number
+  minWithdrawAmount: number
+  bindingDays: number
+  userDiscount: number
+  enableAutoWithdraw: boolean
+}
+
+const DEFAULT_REFERRAL_CONFIG: ReferralConfig = {
+  distributorShare: 90,
+  minWithdrawAmount: 10,
+  bindingDays: 30,
+  userDiscount: 5,
+  enableAutoWithdraw: false,
+}
+
+export default function ReferralSettingsPage() {
+  const [config, setConfig] = useState<ReferralConfig>(DEFAULT_REFERRAL_CONFIG)
+  const [loading, setLoading] = useState(true)
+  const [saving, setSaving] = useState(false)
+
+  useEffect(() => {
+    const loadConfig = async () => {
+      try {
+        const res = await fetch("/api/db/config?key=referral_config")
+        if (res.ok) {
+          const data = await res.json()
+          if (data?.success && data.config) {
+            setConfig({
+              distributorShare: data.config.distributorShare ?? 90,
+              minWithdrawAmount: data.config.minWithdrawAmount ?? 10,
+              bindingDays: data.config.bindingDays ?? 30,
+              userDiscount: data.config.userDiscount ?? 5,
+              enableAutoWithdraw: data.config.enableAutoWithdraw ?? false,
+            })
+          }
+        }
+      } catch (e) {
+        console.error("加载 referral_config 失败:", e)
+      } finally {
+        setLoading(false)
+      }
+    }
+    loadConfig()
+  }, [])
+
+  const handleSave = async () => {
+    setSaving(true)
+    try {
+      // 确保所有字段都是正确类型（防止字符串导致计算错误）
+      const safeConfig = {
+        distributorShare: Number(config.distributorShare) || 0,
+        minWithdrawAmount: Number(config.minWithdrawAmount) || 0,
+        bindingDays: Number(config.bindingDays) || 0,
+        userDiscount: Number(config.userDiscount) || 0,
+        enableAutoWithdraw: Boolean(config.enableAutoWithdraw),
+      }
+      
+      const body = {
+        key: "referral_config",
+        config: safeConfig,
+        description: "分销 / 推广规则配置",
+      }
+      const res = await fetch("/api/db/config", {
+        method: "POST",
+        headers: { "Content-Type": "application/json" },
+        body: JSON.stringify(body),
+      })
+      const data = await res.json()
+      if (!res.ok || !data?.success) {
+        alert("保存失败: " + (data?.error || res.statusText))
+        return
+      }
+      
+      alert("✅ 分销配置已保存成功！\n\n• 小程序与网站的推广规则会一起生效\n• 绑定关系会使用新的天数配置\n• 佣金比例会立即应用到新订单\n\n如有缓存，请刷新前台/小程序页面。")
+    } catch (e: any) {
+      console.error("保存 referral_config 失败:", e)
+      alert("保存失败: " + (e?.message || String(e)))
+    } finally {
+      setSaving(false)
+    }
+  }
+
+  const handleNumberChange = (field: keyof ReferralConfig) => (e: React.ChangeEvent<HTMLInputElement>) => {
+    const value = parseFloat(e.target.value || "0")
+    setConfig((prev) => ({ ...prev, [field]: isNaN(value) ? 0 : value }))
+  }
+
+  return (
+    <div className="p-8 max-w-4xl mx-auto">
+      <div className="flex justify-between items-center mb-8">
+        <div>
+          <h2 className="text-2xl font-bold text-white flex items-center gap-2">
+            <Wallet className="w-5 h-5 text-[#38bdac]" />
+            推广 / 分销设置
+          </h2>
+          <p className="text-gray-400 mt-1">
+            统一管理「好友优惠」「你得 90% 收益」「绑定期 30 天」「提现门槛」等规则，小程序和 Web 共用这套配置。
+          </p>
+        </div>
+        <Button
+          onClick={handleSave}
+          disabled={saving || loading}
+          className="bg-[#38bdac] hover:bg-[#2da396] text-white"
+        >
+          <Save className="w-4 h-4 mr-2" />
+          {saving ? "保存中..." : "保存配置"}
+        </Button>
+      </div>
+
+      <div className="space-y-6">
+        {/* 核心规则卡片 */}
+        <Card className="bg-[#0f2137] border-gray-700/50 shadow-xl">
+          <CardHeader>
+            <CardTitle className="flex items-center gap-2 text-white">
+              <Percent className="w-4 h-4 text-[#38bdac]" />
+              推广规则
+            </CardTitle>
+            <CardDescription className="text-gray-400">
+              这三项会直接体现在小程序「推广规则」卡片上，同时影响实收佣金计算。
+            </CardDescription>
+          </CardHeader>
+          <CardContent className="space-y-6">
+            <div className="grid grid-cols-3 gap-6">
+              <div className="space-y-2">
+                <Label className="text-gray-300 flex items-center gap-2">
+                  <Info className="w-3 h-3 text-[#38bdac]" />
+                  好友优惠（%）
+                </Label>
+                <Input
+                  type="number"
+                  min={0}
+                  max={100}
+                  className="bg-[#0a1628] border-gray-700 text-white"
+                  value={config.userDiscount}
+                  onChange={handleNumberChange("userDiscount")}
+                />
+                <p className="text-xs text-gray-500">例如 5 表示好友立减 5%（在价格配置基础上生效）。</p>
+              </div>
+
+              <div className="space-y-2">
+                <Label className="text-gray-300 flex items-center gap-2">
+                  <Users className="w-3 h-3 text-[#38bdac]" />
+                  推广者分成（%）
+                </Label>
+                <div className="flex items-center gap-4">
+                  <Slider
+                    className="flex-1"
+                    min={10}
+                    max={100}
+                    step={1}
+                    value={[config.distributorShare]}
+                    onValueChange={([val]) => setConfig((prev) => ({ ...prev, distributorShare: val }))}
+                  />
+                  <Input
+                    type="number"
+                    min={0}
+                    max={100}
+                    className="w-20 bg-[#0a1628] border-gray-700 text-white text-center"
+                    value={config.distributorShare}
+                    onChange={handleNumberChange("distributorShare")}
+                  />
+                </div>
+                <p className="text-xs text-gray-500">
+                  实际佣金 = 订单金额 × {" "}
+                  <span className="text-[#38bdac] font-mono">{config.distributorShare}%</span>，支付回调和分销统计都会用这个值。
+                </p>
+              </div>
+
+              <div className="space-y-2">
+                <Label className="text-gray-300 flex items-center gap-2">
+                  <Users className="w-3 h-3 text-[#38bdac]" />
+                  绑定有效期（天）
+                </Label>
+                <Input
+                  type="number"
+                  min={1}
+                  max={365}
+                  className="bg-[#0a1628] border-gray-700 text-white"
+                  value={config.bindingDays}
+                  onChange={handleNumberChange("bindingDays")}
+                />
+                <p className="text-xs text-gray-500">好友通过你的链接进来并登录后，绑定在你名下的天数。</p>
+              </div>
+            </div>
+          </CardContent>
+        </Card>
+
+        {/* 提现与自动提现 */}
+        <Card className="bg-[#0f2137] border-gray-700/50 shadow-xl">
+          <CardHeader>
+            <CardTitle className="flex items-center gap-2 text-white">
+              <Wallet className="w-4 h-4 text-[#38bdac]" />
+              提现规则
+            </CardTitle>
+            <CardDescription className="text-gray-400">
+              与「提现中心」「自动提现」相关的参数，影响推广者看到的可提现金额和最低门槛。
+            </CardDescription>
+          </CardHeader>
+          <CardContent className="space-y-6">
+            <div className="grid grid-cols-2 gap-6">
+              <div className="space-y-2">
+                <Label className="text-gray-300">最低提现金额（元）</Label>
+                <Input
+                  type="number"
+                  min={0}
+                  step={1}
+                  className="bg-[#0a1628] border-gray-700 text-white"
+                  value={config.minWithdrawAmount}
+                  onChange={handleNumberChange("minWithdrawAmount")}
+                />
+                <p className="text-xs text-gray-500">小程序「满 X 元可提现」展示的门槛，同时用于后端接口校验。</p>
+              </div>
+
+              <div className="space-y-2">
+                <Label className="text-gray-300 flex items-center gap-2">
+                  自动提现开关
+                  <Badge variant="outline" className="border-[#38bdac]/40 text-[#38bdac] text-[10px]">
+                    预留
+                  </Badge>
+                </Label>
+                <div className="flex items-center gap-3 mt-1">
+                  <Switch
+                    checked={config.enableAutoWithdraw}
+                    onCheckedChange={(checked) => setConfig((prev) => ({ ...prev, enableAutoWithdraw: checked }))}
+                  />
+                  <span className="text-sm text-gray-400">
+                    开启后，可结合定时任务实现「收益自动打款到微信零钱」。
+                  </span>
+                </div>
+              </div>
+            </div>
+          </CardContent>
+        </Card>
+
+        {/* 提示卡片 */}
+        <Card className="bg-[#0f2137] border-gray-700/50">
+          <CardHeader>
+            <CardTitle className="flex items-center gap-2 text-gray-200 text-sm">
+              <Info className="w-4 h-4 text-[#38bdac]" />
+              使用说明
+            </CardTitle>
+          </CardHeader>
+          <CardContent className="space-y-2 text-xs text-gray-400 leading-relaxed">
+            <p>
+              1. 以上配置会写入 <code className="font-mono text-[11px] text-[#38bdac]">system_config.referral_config</code>，小程序「推广中心」、
+              Web 推广页以及支付回调都会读取同一份配置。
+            </p>
+            <p>
+              2. 修改后新订单立即生效；旧订单的历史佣金不会自动重算，只影响之后产生的订单。
+            </p>
+            <p>
+              3. 如遇前端展示与实际结算不一致，优先以此处配置为准，再排查缓存和小程序版本。
+            </p>
+          </CardContent>
+        </Card>
+      </div>
+    </div>
+  )
+}
--- a/app/api/miniprogram/pay/route.ts
+++ b/app/api/miniprogram/pay/route.ts
@@ -10,7 +10,7 @@

 import { NextResponse } from 'next/server'
 import crypto from 'crypto'
-import { query } from '@/lib/db'
+import { query, getConfig } from '@/lib/db'

 // 微信支付配置 - 2026-01-25 更新
 // 小程序支付绑定状态: 审核中（申请单ID: 201554696918）
@@ -101,8 +101,33 @@ export async function POST(request: Request) {
      }, { status: 400 })
    }

+    // === 根据推广配置计算好友优惠后的实际支付金额 ===
+    let finalAmount = amount
+    try {
+      // 读取推广/分销配置，获取好友优惠比例（如 5 表示 5%）
+      const referralConfig = await getConfig('referral_config')
+      const userDiscount = referralConfig?.userDiscount ? Number(referralConfig.userDiscount) : 0
+
+      // 若存在有效的推荐码且配置了优惠比例，则给好友打折
+      if (userDiscount > 0 && body.referralCode) {
+        const discountRate = userDiscount / 100
+        const discounted = amount * (1 - discountRate)
+        // 保证至少 0.01 元，并保留两位小数
+        finalAmount = Math.max(0.01, Math.round(discounted * 100) / 100)
+        console.log('[MiniPay] 应用好友优惠:', {
+          originalAmount: amount,
+          discountPercent: userDiscount,
+          finalAmount,
+          referralCode: body.referralCode,
+        })
+      }
+    } catch (e) {
+      console.warn('[MiniPay] 读取 referral_config.userDiscount 失败，使用原价金额:', e)
+      finalAmount = amount
+    }
+
    const orderSn = generateOrderSn()
-    const totalFee = Math.round(amount * 100) // 转换为分
+    const totalFee = Math.round(finalAmount * 100) // 转换为分（单位分）
    const goodsBody = description || (productType === 'fullbook' ? '《一场Soul的创业实验》全书' : `章节购买-${productId}`)

    // 获取客户端IP
@@ -207,7 +232,7 @@ export async function POST(request: Request) {
          ) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, NOW(), NOW())
        `, [
          orderSn, orderSn, userId, openId,
-          productType, productId || 'fullbook', amount, goodsBody,
+          productType, productId || 'fullbook', finalAmount, goodsBody,
          'created', null, referrerId, orderReferralCode
        ])
      } catch (insertErr: any) {
@@ -224,7 +249,7 @@ export async function POST(request: Request) {
              ) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, NOW(), NOW())
            `, [
              orderSn, orderSn, userId, openId,
-              productType, productId || 'fullbook', amount, goodsBody,
+              productType, productId || 'fullbook', finalAmount, goodsBody,
              'created', null, referrerId
            ])
            console.log('[MiniPay] 订单已插入(未含 referral_code，请执行 scripts/add_orders_referral_code.py)')
@@ -238,7 +263,7 @@ export async function POST(request: Request) {
                ) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, NOW(), NOW())
              `, [
                orderSn, orderSn, userId, openId,
-                productType, productId || 'fullbook', amount, goodsBody,
+                productType, productId || 'fullbook', finalAmount, goodsBody,
                'created', null
              ])
              console.log('[MiniPay] 订单已插入(未含 referrer_id/referral_code，请执行迁移脚本)')
@@ -257,7 +282,8 @@ export async function POST(request: Request) {
        userId, 
        productType, 
        productId,
-        amount 
+        originalAmount: amount,
+        finalAmount,
      })
    } catch (dbError) {
      console.error('[MiniPay] ❌ 插入订单失败:', dbError)
--- a/app/api/referral/bind/route.ts
+++ b/app/api/referral/bind/route.ts
@@ -12,8 +12,8 @@
 import { NextRequest, NextResponse } from 'next/server'
 import { query, getConfig } from '@/lib/db'

-// 绑定有效期（天）
-const BINDING_DAYS = 30
+// 绑定有效期（天）- 默认值，优先从配置读取
+const DEFAULT_BINDING_DAYS = 30

 /**
 * POST - 绑定推荐关系（支持抢夺机制）
@@ -32,6 +32,17 @@ export async function POST(request: NextRequest) {
      }, { status: 400 })
    }
    
+    // 获取绑定天数配置
+    let bindingDays = DEFAULT_BINDING_DAYS
+    try {
+      const config = await getConfig('referral_config')
+      if (config?.bindingDays) {
+        bindingDays = Number(config.bindingDays)
+      }
+    } catch (e) {
+      console.warn('[Referral Bind] 读取配置失败，使用默认值', DEFAULT_BINDING_DAYS)
+    }
+    
    // 查找推荐人
    const referrers = await query(
      'SELECT id, nickname, referral_code FROM users WHERE referral_code = ?',
@@ -111,9 +122,9 @@ export async function POST(request: NextRequest) {
      }
    }
    
-    // 计算新的过期时间（30天）
+    // 计算新的过期时间（从配置读取天数）
    const expiryDate = new Date()
-    expiryDate.setDate(expiryDate.getDate() + BINDING_DAYS)
+    expiryDate.setDate(expiryDate.getDate() + bindingDays)
    
    // 创建或更新绑定记录
    const bindingId = 'bind_' + Date.now().toString(36) + Math.random().toString(36).substr(2, 6)
--- a/app/api/withdraw/route.ts
+++ b/app/api/withdraw/route.ts
@@ -4,7 +4,7 @@
 */

 import { NextRequest, NextResponse } from 'next/server'
-import { query } from '@/lib/db'
+import { query, getConfig } from '@/lib/db'

 // 确保提现表存在
 async function ensureWithdrawalsTable() {
@@ -41,6 +41,25 @@ export async function POST(request: NextRequest) {
      return NextResponse.json({ success: false, message: '提现金额无效' }, { status: 400 })
    }
    
+    // 读取最低提现门槛
+    let minWithdrawAmount = 10 // 默认值
+    try {
+      const config = await getConfig('referral_config')
+      if (config?.minWithdrawAmount) {
+        minWithdrawAmount = Number(config.minWithdrawAmount)
+      }
+    } catch (e) {
+      console.warn('[Withdraw] 读取配置失败，使用默认值 10 元')
+    }
+    
+    // 检查最低提现门槛
+    if (amount < minWithdrawAmount) {
+      return NextResponse.json({ 
+        success: false, 
+        message: `最低提现金额为 ¥${minWithdrawAmount}，当前 ¥${amount}` 
+      }, { status: 400 })
+    }
+    
    // 确保表存在
    await ensureWithdrawalsTable()