雪球股票行情

1const rawParams = params && typeof params === "object" ? params : {};2 3function assertXueqiuPage() {4  if (!/(^|\.)xueqiu\.com$/i.test(location.hostname)) {5    throw new Error("Open a xueqiu.com page first, then run this script");6  }7}8 9function requiredSymbol() {10  const symbol = String(rawParams.symbol ?? "").trim().toUpperCase();11  if (!symbol) throw new Error("symbol is required");12  return symbol;13}14 15function formatAmount(value) {16  if (value === undefined || value === null || value === "") return null;17  const number = Number(value);18  if (!Number.isFinite(number)) return String(value);19  if (Math.abs(number) >= 1e12) return `${(number / 1e12).toFixed(2)}万亿`;20  if (Math.abs(number) >= 1e8) return `${(number / 1e8).toFixed(2)}亿`;21  if (Math.abs(number) >= 1e4) return `${(number / 1e4).toFixed(2)}万`;22  return String(number);23}24 25function percentString(value) {26  if (value === undefined || value === null || value === "") return null;27  const number = Number(value);28  return Number.isFinite(number) ? `${number.toFixed(2)}%` : String(value);29}30 31async function readJson(response) {32  try {33    return await response.json();34  } catch {35    return null;36  }37}38 39assertXueqiuPage();40const symbol = requiredSymbol();41const url = `https://stock.xueqiu.com/v5/stock/batch/quote.json?symbol=${encodeURIComponent(symbol)}`;42 43const response = await fetch(url, {44  headers: { Accept: "application/json" },45  credentials: "include",46});47 48const payload = await readJson(response);49 50if (!response.ok) {51  const detail = payload?.error_description || `HTTP ${response.status}`;52  throw new Error(`Quote request failed: ${detail}`);53}54 55if (payload?.error_code || payload?.error_description) {56  throw new Error(`Quote request failed: ${payload.error_description || payload.error_code}`);57}58 59const items = Array.isArray(payload?.data?.items) ? payload.data.items : [];60if (items.length === 0) {61  throw new Error(`No quote data returned for ${symbol}`);62}63 64const item = items[0] || {};65const quote = item.quote || {};66const market = item.market || {};67 68return [{69  name: quote.name,70  symbol: quote.symbol,71  exchange: quote.exchange,72  currency: quote.currency,73  price: quote.current,74  change: quote.chg,75  changePercent: percentString(quote.percent),76  open: quote.open,77  high: quote.high,78  low: quote.low,79  prevClose: quote.last_close,80  amplitude: percentString(quote.amplitude),81  volume: quote.volume,82  amount: formatAmount(quote.amount),83  turnoverRate: percentString(quote.turnover_rate),84  marketCap: formatAmount(quote.market_capital),85  floatMarketCap: formatAmount(quote.float_market_capital),86  ytdPercent: percentString(quote.current_year_percent),87  marketStatus: market.status || null,88  time: quote.timestamp ? new Date(quote.timestamp).toISOString() : null,89  url: quote.symbol ? `https://xueqiu.com/S/${quote.symbol}` : null,90}];