feat: Phase 3 Web — 业务 API(stocks/factors/backtests)+ Next.js 前端

- 后端业务 API:GET /api/stocks(搜索/分页)、GET /api/factors(因子目录)、POST /api/factor-tests 与 /api/backtests(Research Spec 驱动同步执行)、GET /api/backtests/last;Annotated 依赖注入 + CORS(dev)
- Repository 批量查询 get_range_many(研究装配一次查询,避免逐只拉取)
- 前端 frontend/web:Next.js 15(TS) + ECharts —— 总览 / 股票池 / 因子研究(IC·RankIC·分层展示) / 回测(净值·回撤·月度·持仓·未建模标注)
- 前端只消费业务 API 与标准化 BacktestResult,无 Qlib/SQL 概念泄漏
- 真实数据:同步 20 只权重股 2023-2024 日线(9680 根)支撑截面研究
- 验证:API 集成测试 8 项(DTO 校验/装配/引擎/标准结果,内存 repo 全链路)+ 全量 pytest 68 passed;前端 tsc + next build 通过;无头浏览器端到端(factors/backtest 页面渲染后端数据)
- ruff clean
This commit is contained in:
Simon
2026-09-06 17:14:33 +08:00
parent e9f59d3cf8
commit 92627f5b6b
27 changed files with 1863 additions and 7 deletions
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"use client";
import { useEffect, useState } from "react";
import { apiGet, apiPost } from "@/lib/api";
import type { BacktestResult, FactorMeta, ResearchSpec } from "@/lib/types";
import { LineChart } from "@/components/LineChart";
export default function BacktestPage() {
const [factors, setFactors] = useState<FactorMeta[]>([]);
const [factor, setFactor] = useState("momentum_60");
const [topN, setTopN] = useState(5);
const [rebalance, setRebalance] = useState<"monthly" | "weekly">("monthly");
const [start, setStart] = useState("2024-03-01");
const [end, setEnd] = useState("2024-12-31");
const [excludeSt, setExcludeSt] = useState(true);
const [result, setResult] = useState<BacktestResult | null>(null);
const [running, setRunning] = useState(false);
const [error, setError] = useState("");
useEffect(() => {
apiGet<FactorMeta[]>("/factors")
.then(setFactors)
.catch((e: Error) => setError(e.message));
}, []);
function run() {
setRunning(true);
setError("");
const spec: ResearchSpec = {
type: "backtest",
universe: { exclude_st: excludeSt, min_listing_days: 0 },
factors: [{ name: factor, weight: 1 }],
selection: { top_n: topN },
rebalance,
period: [start, end],
};
apiPost<BacktestResult>("/backtests", spec)
.then(setResult)
.catch((e: Error) => setError(e.message))
.finally(() => setRunning(false));
}
const s = result?.summary;
return (
<>
<h1>选股回测</h1>
<div className="card">
<h2>研究参数(Research Specification)</h2>
<div className="form-grid">
<label className="muted">
因子
<select value={factor} onChange={(e) => setFactor(e.target.value)}>
{factors.map((f) => (
<option key={f.name} value={f.name}>
{f.name}
</option>
))}
</select>
</label>
<label className="muted">
Top N
<input
type="number"
min={1}
max={50}
value={topN}
onChange={(e) => setTopN(Number(e.target.value))}
/>
</label>
<label className="muted">
调仓
<select
value={rebalance}
onChange={(e) => setRebalance(e.target.value as "monthly" | "weekly")}
>
<option value="monthly">月度</option>
<option value="weekly">周度</option>
</select>
</label>
<label className="muted">
开始
<input type="date" value={start} onChange={(e) => setStart(e.target.value)} />
</label>
<label className="muted">
结束
<input type="date" value={end} onChange={(e) => setEnd(e.target.value)} />
</label>
<label className="muted">
<input
type="checkbox"
checked={excludeSt}
onChange={(e) => setExcludeSt(e.target.checked)}
/>{" "}
剔除 ST
</label>
<button className="primary" onClick={run} disabled={running}>
{running ? "运行中…" : "运行回测"}
</button>
</div>
{error && <div className="error">{error}</div>}
</div>
{result && s && (
<>
<div className="card">
<h2>
结果 · {s.total_return_pct.toFixed(2)}%{" "}
<span className={s.total_return_pct >= 0 ? "good" : "bad"}>
{s.total_return_pct >= 0 ? "▲" : "▼"}
</span>
</h2>
<div className="stat-grid">
<div className="stat">
<div className="label">期末净值</div>
<div className="value">{s.final_equity.toLocaleString()}</div>
</div>
<div className="stat">
<div className="label">年化收益</div>
<div className="value">{s.annual_return_pct.toFixed(2)}%</div>
</div>
<div className="stat">
<div className="label">Sharpe</div>
<div className="value">{s.sharpe.toFixed(2)}</div>
</div>
<div className="stat">
<div className="label">最大回撤</div>
<div className="value bad">{s.max_drawdown_pct.toFixed(2)}%</div>
</div>
<div className="stat">
<div className="label">胜率(按交易)</div>
<div className="value">{s.win_rate_pct.toFixed(1)}%</div>
</div>
<div className="stat">
<div className="label">交易笔数 / 换手</div>
<div className="value">
{s.total_trades} / {s.avg_turnover_pct.toFixed(0)}%
</div>
</div>
</div>
<div style={{ marginTop: 12 }}>
<LineChart title="净值曲线" data={result.equity_curve} color="#34d399" />
</div>
<LineChart
title="回撤(%)"
data={result.drawdown}
color="#f87171"
/>
</div>
<div className="card">
<h2>月度收益(%)</h2>
<table>
<thead>
<tr>
<th>月份</th>
<th>收益</th>
</tr>
</thead>
<tbody>
{result.monthly_returns.map((m) => (
<tr key={`${m.year}-${m.month}`}>
<td>
{m.year}-{String(m.month).padStart(2, "0")}
</td>
<td className={m.return_pct >= 0 ? "good" : "bad"}>
{m.return_pct.toFixed(2)}%
</td>
</tr>
))}
</tbody>
</table>
</div>
<div className="card">
<h2>最新持仓</h2>
{(() => {
const last = new Map<string, number>();
for (const p of result.positions) last.set(p.date, 0);
const lastDate = [...last.keys()].at(-1);
const pos = result.positions.filter((p) => p.date === lastDate);
return (
<div className="row">
{pos.map((p) => (
<span key={p.symbol} className="stat">
{p.symbol} · {(p.weight * 100).toFixed(0)}%
</span>
))}
</div>
);
})()}
</div>
<div className="card">
<h2>未建模约束(如实标注)</h2>
<ul className="muted">
{result.unimplemented.map((u, i) => (
<li key={i}>{u}</li>
))}
</ul>
</div>
</>
)}
</>
);
}
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"use client";
import { useEffect, useState } from "react";
import { apiGet, apiPost } from "@/lib/api";
import type { FactorMeta, FactorTestReport, ResearchSpec } from "@/lib/types";
export default function FactorsPage() {
const [factors, setFactors] = useState<FactorMeta[]>([]);
const [name, setName] = useState("momentum_60");
const [start, setStart] = useState("2024-03-01");
const [end, setEnd] = useState("2024-12-31");
const [report, setReport] = useState<FactorTestReport | null>(null);
const [running, setRunning] = useState(false);
const [error, setError] = useState("");
useEffect(() => {
apiGet<FactorMeta[]>("/factors")
.then(setFactors)
.catch((e: Error) => setError(e.message));
}, []);
function run() {
setRunning(true);
setError("");
const spec: ResearchSpec = {
type: "factor_test",
universe: { exclude_st: true, min_listing_days: 0 },
factors: [{ name, weight: 1 }],
selection: { top_n: 10 },
rebalance: "monthly",
period: [start, end],
};
apiPost<FactorTestReport>("/factor-tests", spec)
.then(setReport)
.catch((e: Error) => setError(e.message))
.finally(() => setRunning(false));
}
return (
<>
<h1>因子研究</h1>
<div className="card">
<h2>因子目录(行情因子 · 无未来函数)</h2>
<table>
<thead>
<tr>
<th>名称</th>
<th>描述</th>
<th>公式</th>
<th>回看</th>
<th>方向</th>
</tr>
</thead>
<tbody>
{factors.map((f) => (
<tr key={f.name}>
<td>{f.name}</td>
<td>{f.description}</td>
<td className="muted">{f.formula}</td>
<td>{f.lookback}</td>
<td>{f.direction === "higher_is_better" ? "高为好" : "低为好"}</td>
</tr>
))}
</tbody>
</table>
</div>
<div className="card">
<h2>运行单因子测试(IC / RankIC / 分层)</h2>
<div className="row">
<select value={name} onChange={(e) => setName(e.target.value)}>
{factors.map((f) => (
<option key={f.name} value={f.name}>
{f.name}
</option>
))}
</select>
<label className="muted">
开始 <input type="date" value={start} onChange={(e) => setStart(e.target.value)} />
</label>
<label className="muted">
结束 <input type="date" value={end} onChange={(e) => setEnd(e.target.value)} />
</label>
<button className="primary" onClick={run} disabled={running}>
{running ? "运行中…" : "运行因子测试"}
</button>
</div>
{error && <div className="error">{error}</div>}
{report && (
<div style={{ marginTop: 16 }}>
<div className="stat-grid">
<div className="stat">
<div className="label">IC 均值</div>
<div className="value">{report.ic_mean.toFixed(4)}</div>
</div>
<div className="stat">
<div className="label">RankIC 均值</div>
<div className="value">{report.rank_ic_mean.toFixed(4)}</div>
</div>
<div className="stat">
<div className="label">ICIR</div>
<div className="value">{report.icir.toFixed(3)}</div>
</div>
<div className="stat">
<div className="label">正收益占比</div>
<div className="value">{report.positive_ratio_pct.toFixed(1)}%</div>
</div>
<div className="stat">
<div className="label">样本日数</div>
<div className="value">{report.sample_days}</div>
</div>
</div>
{report.quantile_returns.length > 0 && (
<table style={{ marginTop: 12 }}>
<thead>
<tr>
<th>分层(1 最低 → 5 最高)</th>
{report.quantile_returns.map((q) => (
<th key={q.quantile}>Q{q.quantile + 1}</th>
))}
</tr>
</thead>
<tbody>
<tr>
<td>未来 21 日平均收益</td>
{report.quantile_returns.map((q) => (
<td key={q.quantile}>{q.return_pct.toFixed(2)}%</td>
))}
</tr>
</tbody>
</table>
)}
</div>
)}
</div>
</>
);
}
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@import url("https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@400;500;700&display=swap");
:root {
--bg: #0f172a;
--panel: #1e293b;
--panel-2: #273449;
--text: #e2e8f0;
--muted: #94a3b8;
--accent: #38bdf8;
--good: #34d399;
--bad: #f87171;
}
* {
box-sizing: border-box;
}
body {
margin: 0;
background: var(--bg);
color: var(--text);
font-family: "Noto Sans SC", system-ui, sans-serif;
}
nav {
display: flex;
gap: 18px;
align-items: center;
padding: 12px 24px;
background: var(--panel);
border-bottom: 1px solid #334155;
position: sticky;
top: 0;
}
nav a {
color: var(--muted);
text-decoration: none;
font-weight: 500;
}
nav a:hover,
nav a.active {
color: var(--accent);
}
nav .brand {
color: var(--text);
font-weight: 700;
margin-right: 8px;
}
main {
max-width: 1200px;
margin: 0 auto;
padding: 24px;
}
.card {
background: var(--panel);
border: 1px solid #334155;
border-radius: 10px;
padding: 18px;
margin-bottom: 16px;
}
h1 {
font-size: 22px;
margin: 0 0 16px;
}
h2 {
font-size: 16px;
margin: 0 0 12px;
}
.muted {
color: var(--muted);
font-size: 13px;
}
.stat-grid {
display: grid;
grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
gap: 12px;
}
.stat {
background: var(--panel-2);
border-radius: 8px;
padding: 14px;
}
.stat .label {
color: var(--muted);
font-size: 12px;
}
.stat .value {
font-size: 20px;
font-weight: 700;
margin-top: 4px;
}
.good { color: var(--good); }
.bad { color: var(--bad); }
table {
width: 100%;
border-collapse: collapse;
font-size: 13px;
}
th,
td {
text-align: left;
padding: 8px 10px;
border-bottom: 1px solid #334155;
}
th {
color: var(--muted);
font-weight: 500;
}
input,
select,
button {
background: var(--panel-2);
color: var(--text);
border: 1px solid #475569;
border-radius: 6px;
padding: 8px 10px;
font-size: 13px;
margin: 2px 6px 2px 0;
}
button.primary {
background: var(--accent);
color: #0f172a;
font-weight: 700;
border: none;
cursor: pointer;
}
button.primary:disabled {
opacity: 0.5;
cursor: not-allowed;
}
.error {
color: var(--bad);
font-size: 13px;
}
.row {
display: flex;
flex-wrap: wrap;
gap: 8px;
align-items: center;
}
.form-grid {
display: grid;
grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
gap: 10px;
align-items: end;
}
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import type { Metadata } from "next";
import Link from "next/link";
import "./globals.css";
export const metadata: Metadata = {
title: "qlib-platform · A股量化研究",
description: "个人 A 股量化研究平台:股票池 / 因子 / 回测",
};
export default function RootLayout({ children }: { children: React.ReactNode }) {
return (
<html lang="zh-CN">
<body>
<nav>
<span className="brand">qlib-platform</span>
<Link href="/">总览</Link>
<Link href="/stocks">股票池</Link>
<Link href="/factors">因子研究</Link>
<Link href="/backtest">回测</Link>
</nav>
<main>{children}</main>
</body>
</html>
);
}
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"use client";
import { useEffect, useState } from "react";
import { apiGet } from "@/lib/api";
import type { Stock, FactorMeta } from "@/lib/types";
export default function DashboardPage() {
const [stockCount, setStockCount] = useState<number | null>(null);
const [factorCount, setFactorCount] = useState<number | null>(null);
const [error, setError] = useState("");
useEffect(() => {
Promise.all([
apiGet<Stock[]>("/stocks?limit=500"),
apiGet<FactorMeta[]>("/factors"),
])
.then(([stocks, factors]) => {
setStockCount(stocks.length);
setFactorCount(factors.length);
})
.catch((e: Error) => setError(e.message));
}, []);
return (
<>
<h1>总览</h1>
{error && <div className="error">后端不可达:{error}</div>}
<div className="stat-grid">
<div className="stat">
<div className="label">股票池</div>
<div className="value">{stockCount ?? "—"}</div>
</div>
<div className="stat">
<div className="label">内置因子</div>
<div className="value">{factorCount ?? "—"}</div>
</div>
</div>
<div className="card" style={{ marginTop: 16 }}>
<h2>说明</h2>
<div className="muted">
个人 A 股量化研究平台(Phase 3 Web)。
顶部导航进入「股票池 / 因子研究 / 回测」;研究基于本地 SQLite 行情
(Tushare 同步,20 只权重股 2023–2024 日线),因子测试与回测均由后端
Research Specification 驱动并返回标准化结果。
</div>
</div>
</>
);
}
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"use client";
import { useEffect, useState } from "react";
import { apiGet } from "@/lib/api";
import type { Stock } from "@/lib/types";
export default function StocksPage() {
const [stocks, setStocks] = useState<Stock[]>([]);
const [q, setQ] = useState("");
const [error, setError] = useState("");
useEffect(() => {
apiGet<Stock[]>(`/stocks?limit=300&q=${encodeURIComponent(q)}`)
.then(setStocks)
.catch((e: Error) => setError(e.message));
}, [q]);
return (
<>
<h1>股票池</h1>
<div className="row" style={{ marginBottom: 12 }}>
<input
placeholder="按代码 / 名称搜索(如 600519 或 茅台)"
value={q}
onChange={(e) => setQ(e.target.value)}
/>
<span className="muted">共 {stocks.length} 条</span>
</div>
{error && <div className="error">{error}</div>}
<div className="card">
<table>
<thead>
<tr>
<th>代码</th>
<th>名称</th>
<th>行业</th>
<th>地区</th>
<th>上市日</th>
<th>状态</th>
</tr>
</thead>
<tbody>
{stocks.map((s) => (
<tr key={s.symbol}>
<td>{s.symbol}</td>
<td>{s.name}</td>
<td>{s.industry ?? "—"}</td>
<td>{s.area ?? "—"}</td>
<td>{s.list_date}</td>
<td>{s.status}</td>
</tr>
))}
</tbody>
</table>
</div>
</>
);
}