东方财富股票行情

1const rawParams = params && typeof params === "object" ? params : {};2 3const FIELDS = [4  "f12",5  "f13",6  "f14",7  "f2",8  "f3",9  "f4",10  "f5",11  "f6",12  "f7",13  "f8",14  "f9",15  "f10",16  "f15",17  "f16",18  "f17",19  "f18",20  "f20",21  "f21",22  "f23",23].join(",");24 25const KNOWN_MARKET_PREFIXES = new Set([26  "0",27  "1",28  "100",29  "105",30  "106",31  "107",32  "116",33  "140",34  "150",35  "151",36  "152",37  "155",38  "156",39]);40 41function splitSymbols(value) {42  if (Array.isArray(value)) {43    return value.map(item => String(item || "").trim()).filter(Boolean);44  }45  return String(value || "")46    .split(/[,，\s]+/)47    .map(item => item.trim())48    .filter(Boolean);49}50 51function chineseMarketPrefix(code) {52  if (/^(60|68|90|113|900)/.test(code)) return "1";53  if (/^(00|30|20)/.test(code)) return "0";54  if (/^(4|8|920|83|87)/.test(code)) return "0";55  return "0";56}57 58function resolveSecid(input) {59  const raw = String(input || "").trim();60  if (!raw) throw new Error("symbol cannot be empty");61 62  const secidMatch = raw.match(/^(\d{1,3})\.([A-Za-z0-9]+)$/);63  if (secidMatch && KNOWN_MARKET_PREFIXES.has(secidMatch[1])) return raw;64 65  const lower = raw.toLowerCase();66  const prefixedChina = lower.match(/^(sh|sz|bj)(\d{6})$/);67  if (prefixedChina) {68    return `${prefixedChina[1] === "sh" ? "1" : "0"}.${prefixedChina[2]}`;69  }70 71  const hk = lower.match(/^hk(\d{4,5})$/) || lower.match(/^(\d{4,5})\.hk$/);72  if (hk) return `116.${hk[1].padStart(5, "0")}`;73 74  const usDot = lower.match(/^([a-z.\-]+)\.([no])$/);75  if (usDot) return `${usDot[2] === "n" ? "106" : "105"}.${usDot[1].toUpperCase()}`;76 77  const usPref = lower.match(/^us\.([a-z.\-]+)$/);78  if (usPref) return `105.${usPref[1].toUpperCase()}`;79 80  if (/^\d{6}$/.test(raw)) return `${chineseMarketPrefix(raw)}.${raw}`;81  if (/^[A-Za-z.\-]{1,8}$/.test(raw)) return `105.${raw.toUpperCase()}`;82 83  throw new Error(`Unrecognized symbol: ${raw}`);84}85 86function marketLabel(value) {87  if (value === 1) return "SH";88  if (value === 0) return "SZ/BJ";89  if (value === 116) return "HK";90  if (value === 105 || value === 106 || value === 107) return "US";91  return String(value ?? "");92}93 94async function readJson(response) {95  try {96    return await response.json();97  } catch {98    throw new Error("Response is not valid JSON");99  }100}101 102const symbols = splitSymbols(rawParams.symbols ?? rawParams.symbol ?? "SH600519");103if (symbols.length === 0) throw new Error("symbols cannot be empty");104 105const secids = symbols.map(resolveSecid);106const url = new URL("https://push2.eastmoney.com/api/qt/ulist.np/get");107url.searchParams.set("secids", secids.join(","));108url.searchParams.set("fltt", "2");109url.searchParams.set("fields", FIELDS);110url.searchParams.set("ut", "bd1d9ddb04089700cf9c27f6f7426281");111 112const response = await fetch(url.toString(), {113  headers: { Accept: "application/json" },114  credentials: "omit",115});116 117if (!response.ok) {118  throw new Error(`Quote request failed with HTTP ${response.status}`);119}120 121const payload = await readJson(response);122const rows = Array.isArray(payload?.data?.diff) ? payload.data.diff : [];123 124if (rows.length === 0) {125  throw new Error(`No quote data returned for ${symbols.join(", ")}`);126}127 128return rows.map(item => ({129  code: item.f12,130  name: item.f14,131  market: marketLabel(item.f13),132  price: item.f2,133  changePercent: item.f3,134  change: item.f4,135  open: item.f17,136  high: item.f15,137  low: item.f16,138  prevClose: item.f18,139  volume: item.f5,140  turnover: item.f6,141  turnoverRate: item.f8,142  amplitude: item.f7,143  peDynamic: item.f9,144  volumeRatio: item.f10,145  priceBook: item.f23,146  marketCap: item.f20,147  floatMarketCap: item.f21,148}));