-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathindex-old.html
More file actions
563 lines (498 loc) · 24.8 KB
/
index-old.html
File metadata and controls
563 lines (498 loc) · 24.8 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<title>Stock Calculator — Risk & P/L</title>
<!-- 使用系统字体，避免外部字体加载延迟 -->
<style>
/* 页面加载完成后再加载外部字体 */
.fonts-loading { font-family: system-ui, -apple-system, sans-serif; }
.fonts-loaded { font-family: Inter, system-ui, sans-serif; }
</style>
<style>
:root{
--bg:#0b0e14; --card:#121826; --muted:#1b2333; --text:#e6e9ef; --sub:#a6adbb;
--accent:#6ee7b7; --accent2:#60a5fa; --danger:#ef4444; --warn:#f59e0b;
--ok:#22c55e; --border:#222b3d;
}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:linear-gradient(180deg,#0b0e14 0%,#0e1320 100%);color:var(--text)}
.app{max-width:1200px;margin:24px auto;padding:0 16px}
.header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.title{font-size:24px;font-weight:700;letter-spacing:.3px}
.controls{display:flex;gap:8px;align-items:center}
.badge{padding:6px 10px;border-radius:999px;background:var(--muted);color:var(--sub);font-size:12px}
.grid{display:grid;grid-template-columns:1.2fr .8fr;gap:16px}
@media (max-width: 980px){.grid{grid-template-columns:1fr}}
.card{background:radial-gradient(1200px 600px at -10% -20%,rgba(110,231,183,.07),transparent 60%),
radial-gradient(800px 400px at 120% 120%,rgba(96,165,250,.07),transparent 60%),
var(--card);
border:1px solid var(--border);border-radius:16px;padding:16px}
.card h3{margin:0 0 10px 0;font-size:16px;color:var(--sub);font-weight:600}
.row{display:grid;grid-template-columns:repeat(12,1fr);gap:10px;margin-bottom:10px}
.row .field{grid-column:span 6}
.row .field.sm{grid-column:span 3}
.row .field.lg{grid-column:span 12}
@media (max-width: 720px){.row .field{grid-column:span 12}}
label{display:block;font-size:12px;color:var(--sub);margin-bottom:6px}
input,select{width:100%;padding:10px 12px;border-radius:10px;border:1px solid var(--border);background:#0d1320;color:var(--text)}
input::placeholder{color:#728099}
input[type=number]{appearance:textfield}
.hl{color:var(--accent)}
.price{font-weight:700;font-size:28px}
.sub{color:var(--sub);font-size:12px}
.kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
@media (max-width: 980px){.kpis{grid-template-columns:repeat(2,1fr)}}
.kpi{background:var(--muted);border:1px solid var(--border);padding:12px;border-radius:12px}
.kpi .name{font-size:12px;color:var(--sub)}
.kpi .value{font-weight:700;font-size:18px;margin-top:6px}
.pill{padding:4px 8px;border-radius:999px;font-size:12px;display:inline-flex;align-items:center;gap:6px}
.pill.ok{background:rgba(34,197,94,.12);color:var(--ok);border:1px solid rgba(34,197,94,.25)}
.pill.warn{background:rgba(245,158,11,.12);color:var(--warn);border:1px solid rgba(245,158,11,.25)}
.pill.bad{background:rgba(239,68,68,.12);color:var(--danger);border:1px solid rgba(239,68,68,.25)}
.footer{margin-top:10px;font-size:12px;color:var(--sub)}
.btn{background:linear-gradient(180deg,#1f2937,#0f172a);border:1px solid var(--border);color:var(--text);padding:10px 12px;border-radius:10px;font-weight:600;cursor:pointer}
.btn.primary{background:linear-gradient(180deg,#059669,#065f46);border-color:#064e3b}
.btn:disabled{opacity:.5;cursor:not-allowed}
canvas{width:100% !important;height:320px !important}
.divider{height:1px;background:var(--border);margin:12px 0}
.right-col .row{margin-bottom:12px}
.tooltip{border-bottom:1px dashed var(--sub);cursor:help}
</style>
</head>
<body>
<div class="app">
<div class="header">
<div class="title">Stock Calculator — P/L, Risk & Day Trading Guardrails</div>
<div class="controls">
<span class="badge">Front‑end only • Bring your own API key for live quotes</span>
</div>
</div>
<div class="grid">
<!-- Left: Inputs -->
<div class="card">
<h3>Inputs</h3>
<div class="row">
<div class="field sm">
<label>Price Source</label>
<select id="priceSource">
<option value="demo">Demo (simulated)</option>
<option value="finnhub">Finnhub.io (REST poll)</option>
</select>
</div>
<div class="field sm">
<label>API Key <span class="sub">(required for Finnhub)</span></label>
<input id="apiKey" placeholder="Your API token" />
</div>
<div class="field sm">
<label>Stock Symbol</label>
<input id="symbol" placeholder="e.g., AAPL" value="AAPL"/>
</div>
<div class="field sm" style="display:flex;align-items:flex-end">
<button id="connect" class="btn primary" style="width:100%">Connect</button>
</div>
</div>
<div class="row">
<div class="field sm">
<label>Number of Shares</label>
<input id="shares" type="number" min="0" step="1" value="100"/>
</div>
<div class="field sm">
<label>Purchase Price ($)</label>
<input id="purchase" type="number" min="0" step="0.01" value="150"/>
</div>
<div class="field sm">
<label>Commission / Fees ($, round trip)</label>
<input id="fees" type="number" min="0" step="0.01" value="2"/>
</div>
<div class="field sm">
<label>Slippage (%)</label>
<input id="slippage" type="number" min="0" step="0.01" value="0.05"/>
</div>
</div>
<div class="row">
<div class="field sm">
<label>Stop Loss Rate (%)</label>
<input id="stopRate" type="number" min="0" step="0.05" value="2"/>
</div>
<div class="field sm">
<label>Take Profit Rate (%)</label>
<input id="tpRate" type="number" min="0" step="0.05" value="4"/>
</div>
<div class="field sm">
<label>Account Equity ($)</label>
<input id="equity" type="number" min="0" step="1" value="25000"/>
</div>
<div class="field sm">
<label>Risk per Trade (% of equity)</label>
<input id="riskPct" type="number" min="0" step="0.1" value="0.5"/>
</div>
</div>
<div class="row">
<div class="field sm">
<label>Use Margin?</label>
<select id="margin">
<option value="none">No</option>
<option value="intraday">Yes — 4:1 intraday</option>
<option value="overnight">Yes — 2:1 overnight</option>
</select>
</div>
<div class="field sm">
<label>Est. Buying Power ($)</label>
<input id="buyingPower" type="number" min="0" step="1" value="100000"/>
</div>
<div class="field sm">
<label>Daily Loss Limit (%)</label>
<input id="dailyLoss" type="number" min="0" step="0.1" value="2"/>
</div>
<div class="field sm">
<label>Trades last 5 business days <span class="tooltip" title="US PDT rule: 4+ day trades within 5 business days on a margin account with < $25k equity flags PDT.">?</span></label>
<input id="pdtTrades" type="number" min="0" step="1" value="0"/>
</div>
</div>
<div class="divider"></div>
<div class="kpis" id="alerts">
<div class="kpi"><div class="name">PDT Status</div><div class="value" id="pdtStatus">—</div></div>
<div class="kpi"><div class="name">Guardrail</div><div class="value" id="guardrail">—</div></div>
<div class="kpi"><div class="name">R:R (TP / Stop)</div><div class="value" id="rr">—</div></div>
<div class="kpi"><div class="name">Recommended Shares</div><div class="value" id="recShares">—</div></div>
</div>
</div>
<!-- Right: Live -->
<div class="card right-col">
<h3>Live Price</h3>
<div class="row">
<div class="field lg">
<div style="display:flex;align-items:baseline;gap:12px">
<div class="price" id="livePrice">$—</div>
<div class="pill" id="changePill">0.00 (0.00%)</div>
</div>
<div class="sub" id="priceMeta">Symbol: — • Source: — • Updated: —</div>
</div>
</div>
<canvas id="priceChart"></canvas>
<div class="divider"></div>
<div class="row">
<div class="field sm">
<label>Return On Investment</label>
<div class="kpi"><div class="name">ROI (%)</div><div class="value" id="roi">—</div></div>
</div>
<div class="field sm">
<label>Profit & Loss</label>
<div class="kpi"><div class="name">Unrealized P/L</div><div class="value" id="pl">—</div></div>
</div>
<div class="field sm">
<label>Stop / Take Profit Prices</label>
<div class="kpi"><div class="name">Stop • Take Profit</div><div class="value" id="stops">—</div></div>
</div>
<div class="field sm">
<label>Potential P/L at Stop / TP</label>
<div class="kpi"><div class="name">Stop P/L • TP P/L</div><div class="value" id="plStops">—</div></div>
</div>
</div>
<div class="footer">
<div id="loadStatus" style="color: var(--accent); margin-bottom: 8px;">✅ Page loaded successfully • External resources loading in background</div>
This tool is educational and front‑end only. Real‑time quotes require your own key. Calculations ignore taxes. Double‑check before trading.
</div>
</div>
</div>
</div>
<audio id="beep" preload="auto">
<source src="data:audio/wav;base64,UklGRiQAAABXQVZFZm10IBAAAAABAAEAESsAACJWAAACABYAZGF0YQgAAAAA" type="audio/wav">
</audio>
<script>
// ---------- Utilities ----------
const $ = (id)=>document.getElementById(id);
const fmt = (n,prec=2)=> (isFinite(n)? `$${Number(n).toLocaleString(undefined,{minimumFractionDigits:prec,maximumFractionDigits:prec})}` : '—');
const pct = (n,prec=2)=> (isFinite(n)? `${Number(n).toLocaleString(undefined,{minimumFractionDigits:prec,maximumFractionDigits:prec})}%` : '—');
const clamp = (n,min,max)=>Math.min(Math.max(n,min),max);
// ---------- Elements ----------
const els = {
priceSource: $('priceSource'), apiKey: $('apiKey'), symbol: $('symbol'), connect: $('connect'),
shares: $('shares'), purchase: $('purchase'), fees: $('fees'), slippage: $('slippage'),
stopRate: $('stopRate'), tpRate: $('tpRate'), equity: $('equity'), riskPct: $('riskPct'),
margin: $('margin'), buyingPower: $('buyingPower'), dailyLoss: $('dailyLoss'), pdtTrades: $('pdtTrades'),
livePrice: $('livePrice'), changePill: $('changePill'), priceMeta: $('priceMeta'),
roi: $('roi'), pl: $('pl'), stp: $('stp'), stops: $('stops'), plStops: $('plStops'),
pdtStatus: $('pdtStatus'), guardrail: $('guardrail'), rr: $('rr'), recShares: $('recShares'),
beep: $('beep')
};
// ---------- State ----------
const state = {
source: 'demo',
symbol: 'AAPL',
lastPrice: NaN,
prevClose: NaN,
prices: [],
timer: null,
pollingMs: 3000,
crossedStop:false,
crossedTP:false
};
// ---------- Chart ----------
let priceChart = null;
function initChart() {
// 等待Chart.js加载完成
if (typeof Chart === 'undefined') {
setTimeout(initChart, 100);
return;
}
const ctx = document.getElementById('priceChart').getContext('2d');
priceChart = new Chart(ctx, {
type: 'line',
data: { labels: [], datasets: [{ label: 'Price', data: [], fill:false, tension:0.25 }] },
options: {
animation:false,
plugins: { legend: { display:false } },
scales: { x: { display:false }, y: { ticks: { callback:(v)=>'$'+v } } }
}
});
}
function pushPrice(p){
const ts = new Date();
state.prices.push({t: ts, p});
if(state.prices.length>300) state.prices.shift();
// 只有当图表初始化完成时才更新
if(priceChart) {
priceChart.data.labels.push(ts.toLocaleTimeString());
priceChart.data.datasets[0].data.push(p);
if(priceChart.data.labels.length>300){priceChart.data.labels.shift(); priceChart.data.datasets[0].data.shift();}
priceChart.update();
}
}
// ---------- Data Sources ----------
function stopStreaming(){ if(state.timer){ clearInterval(state.timer); state.timer=null; } }
function startDemo(){
stopStreaming();
const base = Number(els.purchase.value)||150; // start around entry
let price = base;
let drift = 0;
pushPrice(price);
state.lastPrice = price; state.prevClose = base;
els.priceMeta.textContent = `Symbol: ${state.symbol} • Source: Demo • Updated: now`;
state.timer = setInterval(()=>{
const vol = 0.15; // per tick volatility
drift = clamp(drift + (Math.random()-0.5)*0.02, -0.2, 0.2);
price = Math.max(0.01, price * (1 + drift*0.001 + (Math.random()-0.5)*vol*0.01));
state.lastPrice = price;
updateLive();
}, state.pollingMs);
}
async function pollFinnhub(){
stopStreaming();
const token = els.apiKey.value.trim();
if(!token){
alert('请输入您的Finnhub API密钥 / Please enter your Finnhub API key.');
return;
}
els.priceMeta.textContent = `Symbol: ${state.symbol} • Source: Finnhub • Status: 连接中... / Connecting...`;
// first fetch prev close
async function fetchQuote(){
try{
// 优先使用本地代理服务器，如果失败则直接尝试（可能会被CORS阻止）
let url, resp;
// 尝试使用本地代理
try {
url = `/api/quote?symbol=${encodeURIComponent(state.symbol)}&token=${encodeURIComponent(token)}`;
resp = await fetch(url);
} catch (proxyError) {
console.log('本地代理不可用，尝试直接访问API / Local proxy unavailable, trying direct API access');
// 如果代理失败，直接访问API
url = `https://finnhub.io/api/v1/quote?symbol=${encodeURIComponent(state.symbol)}&token=${encodeURIComponent(token)}`;
resp = await fetch(url, {
method: 'GET',
headers: {
'X-Finnhub-Token': token
}
});
}
if(!resp.ok) {
throw new Error(`HTTP ${resp.status}: ${resp.statusText}`);
}
const d = await resp.json();
if(!d.c && !d.pc) {
throw new Error('无效的股票代码或API响应 / Invalid symbol or API response');
}
const p = Number(d.c||d.pc);
state.lastPrice = p;
state.prevClose = Number(d.pc)||p;
els.priceMeta.textContent = `Symbol: ${state.symbol} • Source: Finnhub • Updated: ${new Date().toLocaleTimeString()}`;
updateLive();
}catch(e){
console.error('Finnhub API Error:', e);
els.priceMeta.textContent = `Symbol: ${state.symbol} • Source: Finnhub • Error: ${e.message}`;
// 如果是CORS错误，提供解决方案
if(e.message.includes('CORS') || e.message.includes('fetch')) {
alert(`CORS错误：由于浏览器安全限制，无法直接访问Finnhub API。\n\n解决方案：\n1. 使用浏览器扩展禁用CORS\n2. 运行本地代理服务器\n3. 使用Demo模式进行测试\n\nCORS Error: Cannot access Finnhub API due to browser security restrictions.\n\nSolutions:\n1. Use browser extension to disable CORS\n2. Run local proxy server\n3. Use Demo mode for testing`);
} else {
alert(`API错误 / API Error: ${e.message}`);
}
}
}
await fetchQuote();
state.timer = setInterval(fetchQuote, state.pollingMs);
}
// ---------- Calculations ----------
function calc(){
const shares = Number(els.shares.value)||0;
const entry = Number(els.purchase.value)||0;
const fees = Number(els.fees.value)||0;
const slipPct = (Number(els.slippage.value)||0)/100;
const stopRate = (Number(els.stopRate.value)||0)/100;
const tpRate = (Number(els.tpRate.value)||0)/100;
const equity = Number(els.equity.value)||0;
const riskPct = (Number(els.riskPct.value)||0)/100;
const buyingPower = Number(els.buyingPower.value)||0;
const stopPrice = entry * (1 - stopRate);
const tpPrice = entry * (1 + tpRate);
const current = state.lastPrice;
// Realized + unrealized inputs
const effectiveEntry = entry * (1 + slipPct); // assume adverse slippage on entry
const effectiveExit = current * (1 - slipPct); // adverse slippage on exit
const positionCost = shares * effectiveEntry + fees;
const pl = shares * (effectiveExit - effectiveEntry) - fees;
const roi = positionCost>0 ? (pl / positionCost) * 100 : NaN;
// P/L at stop & TP (assuming fill with slippage + fees)
const effStop = stopPrice * (1 - slipPct);
const effTP = tpPrice * (1 - slipPct);
const plStop = shares * (effStop - effectiveEntry) - fees;
const plTP = shares * (effTP - effectiveEntry) - fees;
// R:R using per-share delta (ignoring fees for ratio stability)
const riskPerShare = Math.max(1e-9, effectiveEntry - effStop);
const rewardPerShare = Math.max(0, effTP - effectiveEntry);
const rr = rewardPerShare / riskPerShare;
// Recommended shares by risk budgeting & buying power
const riskBudget = equity * riskPct;
const recByRisk = Math.floor(riskBudget / riskPerShare);
const recByBP = Math.floor(buyingPower / effectiveEntry);
const recShares = Math.max(0, Math.min(recByRisk, recByBP));
// Guardrails & PDT
const dailyLossLimit = equity * (Number(els.dailyLoss.value)||0)/100;
const pdtTrades = Number(els.pdtTrades.value)||0;
const pdtRisk = (equity < 25000) && (els.margin.value!=='none') && (pdtTrades>=4);
return {shares, entry, fees, slipPct, stopRate, tpRate, equity, riskPct, buyingPower,
stopPrice, tpPrice, current, effectiveEntry, effectiveExit, positionCost,
pl, roi, effStop, effTP, plStop, plTP, rr, recShares, riskBudget,
dailyLossLimit, pdtRisk, pdtTrades};
}
function updateLive(){
const c = calc();
if(isFinite(c.current)){
pushPrice(c.current);
}
// Price + change
const prev = isFinite(state.prevClose)? state.prevClose : c.entry;
const chg = c.current - prev;
const chgPct = prev? (chg/prev*100):0;
els.livePrice.textContent = fmt(c.current);
els.changePill.textContent = `${chg>=0?'+':''}${chg.toFixed(2)} (${chgPct>=0?'+':''}${chgPct.toFixed(2)}%)`;
els.changePill.className = `pill ${chg>=0? 'ok' : 'bad'}`;
els.priceMeta.textContent = `Symbol: ${state.symbol} • Source: ${state.source==='demo'?'Demo':'Finnhub'} • Updated: ${new Date().toLocaleTimeString()}`;
// KPI Outputs
$('stops').textContent = `${fmt(c.stopPrice)} • ${fmt(c.tpPrice)}`;
$('plStops').textContent = `${fmt(c.plStop)} • ${fmt(c.plTP)}`;
$('rr').textContent = isFinite(c.rr)? c.rr.toFixed(2) : '—';
$('recShares').textContent = isFinite(c.recShares)? c.recShares.toLocaleString() : '—';
$('roi').textContent = isFinite(c.roi)? pct(c.roi) : '—';
$('pl').textContent = isFinite(c.pl)? fmt(c.pl) : '—';
// Guardrails
const riskInfo = `Risk budget: ${fmt(c.riskBudget)} • Limit/day: ${fmt(c.dailyLossLimit)}`;
$('guardrail').innerHTML = `<span class="${c.pl <= -c.dailyLossLimit ? 'pill bad' : 'pill ok'}">${riskInfo}</span>`;
// PDT
$('pdtStatus').innerHTML = c.pdtRisk
? `<span class="pill bad">Potential PDT Flag</span>`
: `<span class="pill ${ (els.margin.value!=='none' && c.pdtTrades>=3 && c.equity<25000) ? 'warn' : 'ok' }">${c.equity<25000?'Equity < $25k':'OK'}</span>`;
// Alerts (beep if cross stop or TP)
const stopHit = c.current <= c.stopPrice && isFinite(c.current);
const tpHit = c.current >= c.tpPrice && isFinite(c.current);
if(stopHit && !state.crossedStop){ els.beep.play().catch(()=>{}); state.crossedStop=true; }
if(tpHit && !state.crossedTP){ els.beep.play().catch(()=>{}); state.crossedTP=true; }
if(!stopHit) state.crossedStop=false; if(!tpHit) state.crossedTP=false;
}
// ---------- Events ----------
function recalc(){ updateLive(); }
['shares','purchase','fees','slippage','stopRate','tpRate','equity','riskPct','margin','buyingPower','dailyLoss','pdtTrades']
.forEach(id=> $(id).addEventListener('input', recalc));
els.symbol.addEventListener('change', ()=>{
state.symbol = els.symbol.value.trim().toUpperCase()||'AAPL';
if(priceChart) {
priceChart.data.labels = []; priceChart.data.datasets[0].data = []; priceChart.update();
}
if(state.source==='demo') startDemo(); else pollFinnhub();
});
els.priceSource.addEventListener('change', () => {
state.source = els.priceSource.value;
});
els.connect.addEventListener('click', ()=>{
state.symbol = els.symbol.value.trim().toUpperCase()||'AAPL';
if(priceChart) {
priceChart.data.labels = []; priceChart.data.datasets[0].data = []; priceChart.update();
}
if(els.priceSource.value==='demo'){ state.source='demo'; startDemo(); }
else { state.source='finnhub'; pollFinnhub(); }
});
// 延迟加载外部资源，避免阻塞页面加载
function loadExternalResources() {
const statusEl = document.getElementById('loadStatus');
// 加载字体
const fontLink = document.createElement('link');
fontLink.rel = 'stylesheet';
fontLink.href = 'https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap';
fontLink.onload = () => {
document.body.style.fontFamily = 'Inter, system-ui, -apple-system, sans-serif';
if(statusEl) statusEl.innerHTML = '✅ Page ready • Font loaded • Chart loading...';
};
document.head.appendChild(fontLink);
// 加载Chart.js
const chartScript = document.createElement('script');
chartScript.src = 'https://cdn.jsdelivr.net/npm/chart.js@4.4.1/dist/chart.umd.min.js';
chartScript.onload = () => {
initChart(); // 重新初始化图表
if(statusEl) statusEl.innerHTML = '✅ All resources loaded • Fully functional';
setTimeout(() => {
if(statusEl) statusEl.style.display = 'none';
}, 3000);
};
document.head.appendChild(chartScript);
// 加载分析脚本
setTimeout(() => {
// Speed Insights
window.si = window.si || function () { (window.siq = window.siq || []).push(arguments); };
const siScript = document.createElement('script');
siScript.src = '/_vercel/speed-insights/script.js';
siScript.async = true;
document.head.appendChild(siScript);
// Analytics
window.va = window.va || function () { (window.vaq = window.vaq || []).push(arguments); };
const vaScript = document.createElement('script');
vaScript.src = '/_vercel/analytics/script.js';
vaScript.async = true;
document.head.appendChild(vaScript);
}, 1000);
}
// Auto-init - 立即初始化核心功能
(function init(){
// Load saved values
const keys = ['shares','purchase','fees','slippage','stopRate','tpRate','equity','riskPct','margin','buyingPower','dailyLoss','pdtTrades','symbol','priceSource'];
keys.forEach(k=>{ const v = localStorage.getItem('sc_'+k); if(v!==null){ if($(k).tagName==='SELECT'){ $(k).value=v; } else { $(k).value=v; } } });
els.symbol.value = (localStorage.getItem('sc_symbol')||els.symbol.value);
els.priceSource.value = (localStorage.getItem('sc_priceSource')||els.priceSource.value);
// Save on change
keys.forEach(k=> $(k).addEventListener('input', ()=> localStorage.setItem('sc_'+k, $(k).value)) );
// Start
state.source = els.priceSource.value;
state.symbol = els.symbol.value.toUpperCase();
startDemo();
updateLive();
// 页面加载完成后再加载外部资源
if (document.readyState === 'loading') {
document.addEventListener('DOMContentLoaded', loadExternalResources);
} else {
setTimeout(loadExternalResources, 100);
}
})();
</script>
</body>
</html>