104 lines
4.0 KiB
JavaScript
104 lines
4.0 KiB
JavaScript
import { NextResponse } from 'next/server';
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const CORS_HEADERS = {
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'Access-Control-Allow-Origin': '*',
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'Access-Control-Allow-Methods': 'GET,OPTIONS',
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'Access-Control-Allow-Headers': 'Content-Type,Authorization,Accept',
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'Access-Control-Max-Age': '86400'
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};
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export async function OPTIONS() {
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return new NextResponse(null, { status: 204, headers: CORS_HEADERS });
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}
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async function fetchGZ(code) {
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const url = `https://fundgz.1234567.com.cn/js/${code}.js`;
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const res = await fetch(url, { cache: 'no-store' });
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if (!res.ok) throw new Error('估值接口异常');
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const text = await res.text();
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const m = text.match(/jsonpgz\((.*)\);/);
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if (!m) throw new Error('估值数据解析失败');
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const json = JSON.parse(m[1]);
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const gszzlNum = Number(json.gszzl);
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return {
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code: json.fundcode,
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name: json.name,
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dwjz: json.dwjz,
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gsz: json.gsz,
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gztime: json.gztime,
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gszzl: Number.isFinite(gszzlNum) ? gszzlNum : json.gszzl
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};
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}
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function stripHtml(s) {
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return s.replace(/<[^>]*>/g, '').replace(/\s+/g, ' ').trim();
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}
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function parseHoldings(html) {
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const list = [];
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const tableMatch = html.match(/<table[\s\S]*?<\/table>/i);
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const table = tableMatch ? tableMatch[0] : html;
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const rows = table.match(/<tr[\s\S]*?<\/tr>/gi) || [];
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for (const r of rows) {
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const cells = [...r.matchAll(/<td[\s\S]*?>([\s\S]*?)<\/td>/gi)].map((m) => stripHtml(m[1]));
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if (!cells.length) continue;
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const codeIdx = cells.findIndex((c) => /^\d{6}$/.test(c));
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const weightIdx = cells.findIndex((c) => /\d+(?:\.\d+)?\s*%/.test(c));
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const code = codeIdx >= 0 ? cells[codeIdx] : null;
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const name = codeIdx >= 0 && codeIdx + 1 < cells.length ? cells[codeIdx + 1] : null;
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const weight = weightIdx >= 0 ? cells[weightIdx].replace(/\s+/g, '') : null;
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if (code && (name || name === '') && weight) {
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list.push({ code, name, weight });
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} else {
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const anchorNameMatch = r.match(/<a[^>]*?>([^<]+)<\/a>/i);
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const altName = anchorNameMatch ? stripHtml(anchorNameMatch[1]) : null;
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const codeMatch = r.match(/(\d{6})/);
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const weightMatch = r.match(/(\d+(?:\.\d+)?)\s*%/);
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const fallbackCode = codeMatch ? codeMatch[1] : null;
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const fallbackWeight = weightMatch ? `${weightMatch[1]}%` : null;
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if ((code || fallbackCode) && (name || altName) && (weight || fallbackWeight)) {
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list.push({ code: code || fallbackCode, name: name || altName, weight: weight || fallbackWeight });
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}
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}
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}
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return list.slice(0, 10);
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}
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async function fetchHoldings(code) {
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const url = `https://fundf10.eastmoney.com/FundArchivesDatas.aspx?type=jjcc&code=${code}&topline=10&year=&month=&rt=${Date.now()}`;
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const res = await fetch(url, {
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headers: {
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'User-Agent': 'Mozilla/5.0',
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'Accept': '*/*'
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},
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cache: 'no-store'
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});
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if (!res.ok) throw new Error('重仓接口异常');
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const text = await res.text();
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// The response wraps HTML in var apdfund_...=...; try to extract inner HTML
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const m = text.match(/<table[\s\S]*<\/table>/i) || text.match(/content:\s*'([\s\S]*?)'/i);
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const html = m ? (m[0].startsWith('<table') ? m[0] : m[1]) : text;
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return parseHoldings(html);
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}
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export async function GET(req) {
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try {
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const { searchParams } = new URL(req.url);
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const code = (searchParams.get('code') || '').trim();
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if (!code) {
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return NextResponse.json({ error: '缺少基金编号' }, { status: 400, headers: CORS_HEADERS });
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}
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const [gz, holdings] = await Promise.allSettled([fetchGZ(code), fetchHoldings(code)]);
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if (gz.status !== 'fulfilled') {
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return NextResponse.json({ error: gz.reason?.message || '基金估值获取失败' }, { status: 404, headers: CORS_HEADERS });
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}
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const data = {
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...gz.value,
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holdings: holdings.status === 'fulfilled' ? holdings.value : []
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};
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return NextResponse.json(data, { status: 200, headers: CORS_HEADERS });
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} catch (e) {
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return NextResponse.json({ error: e.message || '服务异常' }, { status: 500, headers: CORS_HEADERS });
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}
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}
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