212 lines
7.5 KiB
TypeScript
212 lines
7.5 KiB
TypeScript
"use client";
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import { useEffect, useRef, useState, useCallback } from "react";
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import { createChart, ColorType, CandlestickSeries, LineSeries } from "lightweight-charts";
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const INTERVALS = [
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{ label: "1分钟", value: "1m" },
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{ label: "5分钟", value: "5m" },
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{ label: "30分钟", value: "30m" },
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{ label: "1小时", value: "1h" },
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{ label: "4小时", value: "4h" },
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{ label: "8小时", value: "8h" },
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{ label: "日线", value: "1d" },
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{ label: "周线", value: "1w" },
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{ label: "月线", value: "1M" },
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];
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interface KBar {
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time: number;
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open: number;
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high: number;
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low: number;
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close: number;
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price_open: number;
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price_high: number;
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price_low: number;
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price_close: number;
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}
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function chartOptions(height: number) {
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return {
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layout: {
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background: { type: ColorType.Solid, color: "#ffffff" },
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textColor: "#64748b",
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fontSize: 11,
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},
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grid: {
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vertLines: { color: "#f1f5f9" },
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horzLines: { color: "#f1f5f9" },
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},
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localization: {
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timeFormatter: (ts: number) => {
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// UTC+8 北京时间
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const d = new Date((ts + 8 * 3600) * 1000);
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const Y = d.getUTCFullYear();
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const M = String(d.getUTCMonth() + 1).padStart(2, "0");
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const D = String(d.getUTCDate()).padStart(2, "0");
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const h = String(d.getUTCHours()).padStart(2, "0");
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const m = String(d.getUTCMinutes()).padStart(2, "0");
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return `${Y}-${M}-${D} ${h}:${m}`;
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},
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},
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timeScale: {
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borderColor: "#e2e8f0",
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timeVisible: true,
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secondsVisible: false,
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tickMarkFormatter: (ts: number) => {
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const d = new Date((ts + 8 * 3600) * 1000);
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const h = String(d.getUTCHours()).padStart(2, "0");
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const m = String(d.getUTCMinutes()).padStart(2, "0");
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return `${h}:${m}`;
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},
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},
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rightPriceScale: { borderColor: "#e2e8f0" },
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height,
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};
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}
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export default function KlinePage() {
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const rateRef = useRef<HTMLDivElement>(null);
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const priceRef = useRef<HTMLDivElement>(null);
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const [symbol, setSymbol] = useState<"BTC" | "ETH">("BTC");
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const [interval, setInterval] = useState("1h");
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const [count, setCount] = useState(0);
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const [loading, setLoading] = useState(true);
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const rateChartRef = useRef<ReturnType<typeof createChart> | null>(null);
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const priceChartRef = useRef<ReturnType<typeof createChart> | null>(null);
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const fetchAndRender = useCallback(async () => {
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try {
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const r = await fetch(`/api/kline?symbol=${symbol}&interval=${interval}&limit=500`);
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const json = await r.json();
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const bars: KBar[] = json.data || [];
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setCount(json.count || 0);
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if (!rateRef.current || !priceRef.current) return;
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// 销毁旧图表
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rateChartRef.current?.remove();
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priceChartRef.current?.remove();
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// 费率K线
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const rateChart = createChart(rateRef.current, chartOptions(260));
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rateChartRef.current = rateChart;
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const rateSeries = rateChart.addSeries(CandlestickSeries, {
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upColor: "#16a34a",
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downColor: "#dc2626",
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borderUpColor: "#16a34a",
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borderDownColor: "#dc2626",
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wickUpColor: "#16a34a",
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wickDownColor: "#dc2626",
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});
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rateSeries.setData(bars.map(b => ({
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time: b.time as any,
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open: b.open,
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high: b.high,
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low: b.low,
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close: b.close,
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})));
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rateChart.timeScale().fitContent();
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// 隐藏 TradingView 水印
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rateRef.current.querySelectorAll("a").forEach(a => a.style.display = "none");
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// 价格K线
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const priceChart = createChart(priceRef.current, chartOptions(260));
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priceChartRef.current = priceChart;
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const priceSeries = priceChart.addSeries(CandlestickSeries, {
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upColor: "#2563eb",
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downColor: "#7c3aed",
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borderUpColor: "#2563eb",
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borderDownColor: "#7c3aed",
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wickUpColor: "#2563eb",
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wickDownColor: "#7c3aed",
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});
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priceSeries.setData(bars.map(b => ({
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time: b.time as any,
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open: b.price_open,
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high: b.price_high,
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low: b.price_low,
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close: b.price_close,
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})));
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priceChart.timeScale().fitContent();
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// 隐藏 TradingView 水印
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priceRef.current.querySelectorAll("a").forEach(a => a.style.display = "none");
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} catch (e) {
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console.error(e);
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} finally {
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setLoading(false);
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}
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}, [symbol, interval]);
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useEffect(() => {
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setLoading(true);
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fetchAndRender();
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const iv = window.setInterval(fetchAndRender, 30_000);
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return () => {
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window.clearInterval(iv);
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rateChartRef.current?.remove();
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priceChartRef.current?.remove();
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rateChartRef.current = null;
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priceChartRef.current = null;
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};
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}, [fetchAndRender]);
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return (
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<div className="space-y-5">
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{/* 标题+控制栏 */}
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<div className="flex flex-wrap items-center justify-between gap-3">
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<div>
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<h1 className="text-2xl font-bold text-slate-900">费率 K 线</h1>
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<p className="text-slate-500 text-sm mt-1">
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本地2秒粒度数据聚合 · 已记录 <span className="text-blue-600 font-medium">{count.toLocaleString()}</span> 根K线
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</p>
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</div>
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<div className="flex flex-wrap gap-2 text-sm">
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{/* 币种 */}
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{(["BTC", "ETH"] as const).map(s => (
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<button key={s} onClick={() => setSymbol(s)}
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className={`px-3 py-1.5 rounded-lg border font-medium transition-colors ${symbol === s ? "bg-blue-600 text-white border-blue-600" : "border-slate-200 text-slate-600 hover:border-blue-400"}`}>
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{s}
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</button>
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))}
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<span className="w-px bg-slate-200 mx-1" />
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{/* 周期 */}
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{INTERVALS.map(iv => (
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<button key={iv.value} onClick={() => setInterval(iv.value)}
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className={`px-3 py-1.5 rounded-lg border transition-colors ${interval === iv.value ? "bg-slate-800 text-white border-slate-800" : "border-slate-200 text-slate-600 hover:border-slate-400"}`}>
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{iv.label}
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</button>
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))}
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</div>
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</div>
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{loading && <div className="text-slate-400 py-8 text-center">加载中...</div>}
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{/* 费率K线 */}
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<div className="rounded-xl border border-slate-200 bg-white shadow-sm p-4">
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<div className="flex items-center justify-between mb-2">
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<h2 className="text-slate-700 font-semibold text-sm">{symbol} 资金费率 K 线（万分之）</h2>
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<span className="text-xs text-slate-400">原始值×10000 · 绿涨红跌 · 代表多头情绪强弱</span>
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</div>
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<div ref={rateRef} className="w-full" style={{ height: 260 }} />
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</div>
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{/* 价格K线 */}
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<div className="rounded-xl border border-slate-200 bg-white shadow-sm p-4">
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<div className="flex items-center justify-between mb-2">
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<h2 className="text-slate-700 font-semibold text-sm">{symbol} 标记价格 K 线（USD）</h2>
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<span className="text-xs text-slate-400">蓝涨紫跌 · 与费率对比观察趋势</span>
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</div>
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<div ref={priceRef} className="w-full" style={{ height: 260 }} />
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</div>
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<div className="rounded-lg border border-blue-100 bg-blue-50 px-5 py-3 text-sm text-slate-600">
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<span className="text-blue-600 font-medium">说明：</span>
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数据来自本地rate_snapshots表（每2秒一条），在前端聚合为各时间周期K线，每30秒自动刷新。数据仅从露露服务器启动后开始积累，历史越长越有价值。
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</div>
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</div>
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);
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}
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