feat: 海报优化+小程序码生成API
1. 阅读页&推广中心海报去掉邀请码 2. 新增小程序码生成API(带推荐人ID参数) 3. 海报使用真实小程序码(扫码绑定推荐关系) 4. 修复章节数据库同步
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77
app/api/miniprogram/qrcode/route.ts
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77
app/api/miniprogram/qrcode/route.ts
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// app/api/miniprogram/qrcode/route.ts
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// 生成带参数的小程序码 - 绑定推荐人ID
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import { NextRequest, NextResponse } from 'next/server'
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const APPID = process.env.WECHAT_APPID || 'wxb8bbb2b10dec74aa'
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const APPSECRET = process.env.WECHAT_APPSECRET || '25b7e7fdb7998e5107e242ebb6ddabd0'
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// 获取access_token
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async function getAccessToken() {
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const url = `https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=${APPID}&secret=${APPSECRET}`
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const res = await fetch(url)
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const data = await res.json()
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if (data.access_token) {
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return data.access_token
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}
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throw new Error(data.errmsg || '获取access_token失败')
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}
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export async function POST(req: NextRequest) {
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try {
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const { scene, page, width = 280 } = await req.json()
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if (!scene) {
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return NextResponse.json({ error: '缺少scene参数' }, { status: 400 })
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}
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// 获取access_token
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const accessToken = await getAccessToken()
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// 生成小程序码
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const qrcodeUrl = `https://api.weixin.qq.com/wxa/getwxacodeunlimit?access_token=${accessToken}`
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const qrcodeRes = await fetch(qrcodeUrl, {
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method: 'POST',
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headers: { 'Content-Type': 'application/json' },
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body: JSON.stringify({
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scene: scene.slice(0, 32), // 最多32个字符
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page: page || 'pages/index/index',
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width,
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auto_color: false,
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line_color: { r: 0, g: 206, b: 209 },
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is_hyaline: false
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})
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})
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// 检查响应类型
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const contentType = qrcodeRes.headers.get('content-type')
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if (contentType?.includes('application/json')) {
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// 返回了错误信息
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const errorData = await qrcodeRes.json()
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console.error('[QRCode] 生成失败:', errorData)
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return NextResponse.json({
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error: errorData.errmsg || '生成小程序码失败',
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errcode: errorData.errcode
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}, { status: 500 })
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}
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// 返回图片
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const imageBuffer = await qrcodeRes.arrayBuffer()
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const base64 = Buffer.from(imageBuffer).toString('base64')
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return NextResponse.json({
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success: true,
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image: `data:image/png;base64,${base64}`
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})
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} catch (error) {
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console.error('[QRCode] Error:', error)
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return NextResponse.json(
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{ error: '生成小程序码失败' },
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{ status: 500 }
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)
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}
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}
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