302 lines
11 KiB
TypeScript
302 lines
11 KiB
TypeScript
import { NextRequest, NextResponse } from "next/server";
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import { PAYMENT_API_URL, SITE_URL } from "../../lib/env";
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const ZPAY_SUBMIT = "https://zpayz.cn/submit.php";
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async function createPayOrder(
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user_id: string,
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return_url: string,
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total_fee = 80,
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type = "meetup",
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channel = "alipay"
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) {
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if (!PAYMENT_API_URL) throw new Error("未配置 PAYMENT_API_URL");
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const payload = {
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user_id,
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total_fee: Number(total_fee) || 80,
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type,
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channel,
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return_url,
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};
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const controller = new AbortController();
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const timeout = setTimeout(() => controller.abort(), 10000);
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const res = await fetch(`${PAYMENT_API_URL}/payh5`, {
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method: "POST",
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headers: { "Content-Type": "application/json" },
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body: JSON.stringify(payload),
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signal: controller.signal,
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}).finally(() => clearTimeout(timeout));
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const data = await res.json().catch(() => ({}));
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if (!res.ok || data?.status !== "ok") {
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throw new Error(data?.detail || data?.msg || data?.message || "支付创建失败");
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}
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let params = data.params || data.xorpay_params || {};
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const payUrl = data.pay_url || data.xorpay_url || ZPAY_SUBMIT;
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if (!params || typeof params !== "object") {
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throw new Error("payjsapi 未返回支付参数");
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}
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params = JSON.parse(JSON.stringify(params));
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if (data.provider === "xorpay") {
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throw new Error("当前 payjsapi 使用 xorpay，请设置 PAYMENT_PROVIDER=zpay 后重启 payjsapi");
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}
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return { params, payUrl };
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}
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const ZPAY_REQUIRED = ["pid", "type", "out_trade_no", "notify_url", "return_url", "name", "money", "sign", "sign_type"];
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function escapeAttr(s: string): string {
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return String(s)
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.replace(/&/g, "&")
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.replace(/"/g, """)
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.replace(/</g, "<")
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.replace(/>/g, ">");
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}
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function buildPayHtml(payUrl: string, params: Record<string, unknown>): string {
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const flat: Record<string, string> = {};
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for (const [k, v] of Object.entries(params)) {
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if (v == null) continue;
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const s = String(v).trim();
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if (s === "") continue;
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flat[k] = s;
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}
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for (const key of ZPAY_REQUIRED) {
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if (!flat[key]) {
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console.error(`ZPAY 缺少必填参数: ${key}`, flat);
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}
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}
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const inputs = Object.entries(flat)
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.map(([k, v]) => `<input type="hidden" name="${escapeAttr(k)}" value="${escapeAttr(v)}" />`)
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.join("\n");
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return `<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width,initial-scale=1">
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<title>跳转支付...</title>
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<style>body{font-family:system-ui;display:flex;justify-content:center;align-items:center;min-height:100vh;margin:0;background:#f0f4f8;}p{color:#64748b;}</style>
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</head>
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<body>
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<p>正在跳转到支付页面...</p>
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<form id="zpayForm" action="${escapeAttr(payUrl)}" method="POST" enctype="application/x-www-form-urlencoded">
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${inputs}
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</form>
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<script>document.getElementById("zpayForm").submit();</script>
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</body>
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</html>`;
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}
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export async function POST(request: NextRequest) {
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try {
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let body: Record<string, string | number>;
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const contentType = request.headers.get("content-type") || "";
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if (contentType.includes("application/json")) {
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body = await request.json();
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} else {
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const form = await request.formData();
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body = Object.fromEntries(form.entries()) as Record<string, string>;
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}
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const user_id = String(body?.user_id || "").trim();
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const return_url = String(body?.return_url || "").trim();
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const total_fee = Number(body?.total_fee) || 80;
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const type = String(body?.type || "meetup");
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const channel = String(body?.channel || "alipay");
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const device = String(body?.device || "pc"); // pc | h5，前端根据 UA 传入
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if (!user_id) {
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return NextResponse.json({ ok: false, error: "缺少 user_id" }, { status: 400 });
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}
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const origin =
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request.headers.get("x-forwarded-host")
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? `${request.headers.get("x-forwarded-proto") || "https"}://${request.headers.get("x-forwarded-host")}`
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: request.headers.get("origin") || SITE_URL;
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const finalReturnUrl = return_url || `${origin}/join?paid=1`;
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const { params, payUrl } = await createPayOrder(
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user_id,
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finalReturnUrl,
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total_fee,
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type,
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channel
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);
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if (!params || Object.keys(params).length === 0) {
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return NextResponse.json({ ok: false, error: "支付参数为空" }, { status: 500 });
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}
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const accept = request.headers.get("accept") || "";
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const wantHtml = String(body?.html) === "1" || accept.includes("text/html");
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if (wantHtml) {
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const clientIp =
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request.headers.get("x-forwarded-for")?.split(",")[0]?.trim() ||
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request.headers.get("x-real-ip") ||
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"";
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// 使用 payjsapi /payh5/redirect：mapi.php API接口支付，按 device 返回 payurl/payurl2
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const redirectPayload = {
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user_id,
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total_fee,
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type,
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channel,
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return_url: finalReturnUrl,
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device,
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...(clientIp && { client_ip: clientIp }),
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};
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const controller = new AbortController();
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const timeout = setTimeout(() => controller.abort(), 15000);
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const redirectRes = await fetch(`${PAYMENT_API_URL}/payh5/redirect`, {
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method: "POST",
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headers: { "Content-Type": "application/json" },
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body: JSON.stringify(redirectPayload),
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redirect: "manual",
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signal: controller.signal,
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}).finally(() => clearTimeout(timeout));
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if (redirectRes.status >= 301 && redirectRes.status <= 308) {
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const location = redirectRes.headers.get("location");
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if (location) return NextResponse.redirect(location);
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}
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const resData = await redirectRes.json().catch(() => ({}));
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if (redirectRes.status === 200 && resData?.qrcode_mode && resData?.img) {
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const returnUrl = String(resData.return_url || finalReturnUrl).replace(/[&<>"']/g, (c) =>
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({ "&": "&", "<": "<", ">": ">", '"': """, "'": "'" })[c] || c
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);
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const imgSrc = String(resData.img).replace(/[&<>"']/g, (c) =>
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({ "&": "&", "<": "<", ">": ">", '"': """, "'": "'" })[c] || c
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);
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const orderId = String(resData.order_id || "").replace(/[&<>"']/g, (c) =>
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({ "&": "&", "<": "<", ">": ">", '"': """, "'": "'" })[c] || c
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);
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const ch = String(resData.channel || "alipay").toLowerCase();
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const isWx = ch === "wxpay" || ch === "wx" || ch === "wechat";
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const title = isWx ? "微信扫码支付" : "支付宝扫码支付";
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const hint = isWx ? "请使用微信扫描下方二维码完成支付" : "请使用支付宝扫描下方二维码完成支付";
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const esc = (s: string) => s.replace(/[&<>"']/g, (c) => ({ "&": "&", "<": "<", ">": ">", '"': """, "'": "'" })[c] || c);
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const html = `<!DOCTYPE html>
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<html><head><meta charset="utf-8"><meta name="viewport" content="width=device-width,initial-scale=1">
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<title>${esc(title)}</title>
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<style>body{font-family:system-ui;display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;margin:0;background:#f0f4f8;}h2{color:#333;margin-bottom:8px;}p{color:#64748b;font-size:14px;}img{width:220px;height:220px;margin:20px 0;border:1px solid #e2e8f0;border-radius:8px;background:#fff;}a{color:#0ea5e9;margin-top:16px;}.tip{font-size:12px;color:#94a3b8;margin-top:8px;}</style></head>
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<body>
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<h2>${esc(title)}</h2>
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<p>${esc(hint)}</p>
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<img src="${imgSrc}" alt="支付二维码" />
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<p class="tip" id="tip">支付成功后将自动跳转...</p>
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<script>
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(function(){
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var orderId="${orderId}";
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var returnUrl="${returnUrl}";
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if(!orderId){return;}
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var tip=document.getElementById("tip");
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var t=0;
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var maxT=300;
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function check(){
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t++;
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if(t>maxT){tip.textContent="轮询超时";return;}
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fetch("/api/pay/status?order_id="+encodeURIComponent(orderId))
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.then(function(r){return r.json();})
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.then(function(d){
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if(d.ok&&d.paid){window.location.href=returnUrl;return;}
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setTimeout(check,2000);
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})
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.catch(function(){setTimeout(check,2000);});
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}
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setTimeout(check,2000);
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})();
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</script>
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</body></html>`;
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return new NextResponse(html, {
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status: 200,
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headers: { "Content-Type": "text/html; charset=utf-8" },
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});
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}
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const errData = resData;
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if (redirectRes.status === 400 || redirectRes.status === 500) {
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return NextResponse.json(
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{ ok: false, error: errData?.detail || errData?.msg || "支付跳转失败" },
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{ status: redirectRes.status }
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);
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}
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// 降级：payjsapi 未提供 redirect 或非 zpay，使用原有表单提交逻辑
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const formParams = new URLSearchParams();
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const missing: string[] = [];
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for (const key of ZPAY_REQUIRED) {
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const v = params[key];
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if (v == null || String(v).trim() === "") {
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missing.push(key);
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} else {
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formParams.append(key, String(v));
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}
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}
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for (const [k, v] of Object.entries(params)) {
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if (!ZPAY_REQUIRED.includes(k) && v != null && String(v).trim() !== "") {
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formParams.append(k, String(v));
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}
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}
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if (missing.length > 0) {
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return NextResponse.json(
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{
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ok: false,
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error: `payjsapi 返回参数缺少: ${missing.join(", ")}。请确认 payjsapi 已设置 PAYMENT_PROVIDER=zpay`,
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},
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{ status: 500 }
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);
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}
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const zpayRes = await fetch(ZPAY_SUBMIT, {
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method: "POST",
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headers: { "Content-Type": "application/x-www-form-urlencoded" },
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body: formParams.toString(),
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redirect: "manual",
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});
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const location = zpayRes.headers.get("location");
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if ((zpayRes.status === 301 || zpayRes.status === 302) && location) {
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return NextResponse.redirect(location);
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}
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const text = await zpayRes.text();
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try {
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const errJson = JSON.parse(text);
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if (errJson?.code === "error") {
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return NextResponse.json(
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{ ok: false, error: errJson.msg || "ZPAY 返回错误" },
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{ status: 500 }
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);
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}
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} catch {
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/* ignore */
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}
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const html = buildPayHtml(payUrl, params as Record<string, unknown>);
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return new NextResponse(html, {
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status: 200,
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headers: { "Content-Type": "text/html; charset=utf-8" },
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});
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}
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return NextResponse.json({
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ok: true,
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pay_url: payUrl,
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params,
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provider: "zpay",
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submit_method: "POST",
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});
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} catch (e) {
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const err = e instanceof Error ? e : new Error(String(e));
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const msg = err.message || "";
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const hint =
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msg.includes("fetch") || msg.includes("ECONNREFUSED")
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? "请确认 payjsapi 已启动：cd C:\\project\\payjsapi && python run.py"
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: err.name === "AbortError"
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? "请求超时，请检查 payjsapi 是否正常运行"
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: msg;
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console.error("Pay API error:", err);
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return NextResponse.json(
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{ ok: false, error: `支付请求失败: ${hint}` },
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{ status: 500 }
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);
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}
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}
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