dekun
6f3ac3deb6
扩展新浪K线拉取与合成逻辑，提供 ECharts 交互图表及实时报价 API。 Co-authored-by: Cursor <cursoragent@cursor.com>
298 lines
12 KiB
JavaScript
298 lines
12 KiB
JavaScript
(function () {
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var chartEl = document.getElementById('market-chart');
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var emptyEl = document.getElementById('market-chart-empty');
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var wrapEl = chartEl && chartEl.parentElement;
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var chart = null;
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var currentPeriod = '15m';
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var quoteTimer = null;
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function getSymbol() {
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var hidden = document.getElementById('market-symbol-hidden');
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var input = document.getElementById('market-symbol-input');
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if (hidden && hidden.value) return hidden.value.trim();
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if (input && input.value) return input.value.trim();
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return '';
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}
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function getMarketCodes() {
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return {
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symbol: getSymbol(),
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market_code: (document.getElementById('market-market-code') || {}).value || '',
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sina_code: (document.getElementById('market-sina-code') || {}).value || '',
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};
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}
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function themeColors() {
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var dark = document.documentElement.getAttribute('data-theme') !== 'light';
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return {
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bg: dark ? '#0a0c14' : '#f4f7fc',
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text: dark ? '#a8b0c8' : '#5c6578',
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title: dark ? '#e8eaf6' : '#1a2233',
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grid: dark ? '#1a2038' : '#e2e8f0',
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up: dark ? '#4cd97f' : '#15803d',
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down: dark ? '#ff6b7a' : '#dc2626',
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line: dark ? '#4cc2ff' : '#2563eb',
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area: dark ? 'rgba(76,194,255,0.12)' : 'rgba(37,99,235,0.1)',
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};
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}
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function initChart() {
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if (!chartEl || !window.echarts) return;
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chart = echarts.init(chartEl);
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window.addEventListener('resize', function () {
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if (chart) chart.resize();
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});
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document.addEventListener('click', function (e) {
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if (e.target.closest('[data-theme-pick]')) {
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setTimeout(function () {
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if (chart && lastData) renderChart(lastData);
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}, 100);
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}
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});
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}
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var lastData = null;
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function renderChart(data) {
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if (!chart) return;
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lastData = data;
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var c = themeColors();
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var bars = data.bars || [];
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var times = bars.map(function (b) { return b.time; });
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var isLine = data.chart_type === 'line' || data.period === 'timeshare';
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if (isLine) {
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var closes = bars.map(function (b) { return b.close; });
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var vols = bars.map(function (b) { return b.volume; });
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chart.setOption({
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backgroundColor: c.bg,
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animation: false,
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tooltip: { trigger: 'axis', axisPointer: { type: 'cross' } },
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axisPointer: { link: [{ xAxisIndex: 'all' }] },
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grid: [
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{ left: 56, right: 16, top: 40, height: '58%' },
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{ left: 56, right: 16, top: '72%', height: '18%' },
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],
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xAxis: [
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{ type: 'category', data: times, gridIndex: 0, axisLabel: { color: c.text, fontSize: 10 }, axisLine: { lineStyle: { color: c.grid } } },
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{ type: 'category', data: times, gridIndex: 1, axisLabel: { show: false }, axisLine: { lineStyle: { color: c.grid } } },
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],
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yAxis: [
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{ scale: true, gridIndex: 0, splitLine: { lineStyle: { color: c.grid } }, axisLabel: { color: c.text } },
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{ scale: true, gridIndex: 1, splitLine: { show: false }, axisLabel: { color: c.text, fontSize: 10 }, splitNumber: 2 },
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],
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series: [
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{
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name: '价格',
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type: 'line',
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data: closes,
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smooth: true,
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showSymbol: false,
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lineStyle: { width: 1.5, color: c.line },
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areaStyle: { color: c.area },
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xAxisIndex: 0,
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yAxisIndex: 0,
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},
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{
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name: '成交量',
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type: 'bar',
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data: vols,
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itemStyle: { color: c.area },
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xAxisIndex: 1,
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yAxisIndex: 1,
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},
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],
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}, true);
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} else {
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var candle = bars.map(function (b) { return [b.open, b.close, b.low, b.high]; });
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var vols = bars.map(function (b, i) {
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var up = b.close >= b.open;
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return {
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value: b.volume,
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itemStyle: { color: up ? c.up : c.down, opacity: 0.65 },
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};
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});
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chart.setOption({
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backgroundColor: c.bg,
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animation: false,
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tooltip: {
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trigger: 'axis',
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axisPointer: { type: 'cross' },
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formatter: function (params) {
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var idx = params[0] && params[0].dataIndex;
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if (idx == null || !bars[idx]) return '';
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var b = bars[idx];
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return [
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b.time,
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'开 ' + b.open,
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'高 ' + b.high,
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'低 ' + b.low,
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'收 ' + b.close,
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'量 ' + b.volume,
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].join('<br/>');
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},
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},
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axisPointer: { link: [{ xAxisIndex: 'all' }] },
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grid: [
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{ left: 56, right: 16, top: 40, height: '58%' },
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{ left: 56, right: 16, top: '72%', height: '18%' },
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],
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xAxis: [
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{ type: 'category', data: times, gridIndex: 0, axisLabel: { color: c.text, fontSize: 10 }, axisLine: { lineStyle: { color: c.grid } } },
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{ type: 'category', data: times, gridIndex: 1, axisLabel: { show: false }, axisLine: { lineStyle: { color: c.grid } } },
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],
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yAxis: [
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{ scale: true, gridIndex: 0, splitLine: { lineStyle: { color: c.grid } }, axisLabel: { color: c.text } },
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{ scale: true, gridIndex: 1, splitLine: { show: false }, axisLabel: { color: c.text, fontSize: 10 }, splitNumber: 2 },
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],
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series: [
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{
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name: 'K线',
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type: 'candlestick',
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data: candle,
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itemStyle: {
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color: c.up,
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color0: c.down,
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borderColor: c.up,
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borderColor0: c.down,
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},
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xAxisIndex: 0,
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yAxisIndex: 0,
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},
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{
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name: '成交量',
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type: 'bar',
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data: vols,
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xAxisIndex: 1,
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yAxisIndex: 1,
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},
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],
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}, true);
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}
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var title = (data.chart_symbol || data.symbol || '') + ' · ' + periodLabel(data.period);
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chart.setOption({ title: { text: title, left: 12, top: 8, textStyle: { color: c.title, fontSize: 13, fontWeight: 600 } } });
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}
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function periodLabel(key) {
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var tabs = document.querySelectorAll('.period-tab');
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for (var i = 0; i < tabs.length; i++) {
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if (tabs[i].getAttribute('data-period') === key) return tabs[i].textContent;
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}
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return key;
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}
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function setLoading(on) {
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var btn = document.getElementById('market-load-btn');
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if (btn) {
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btn.disabled = on;
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btn.textContent = on ? '加载中…' : '查看';
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}
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if (emptyEl && on) {
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emptyEl.textContent = '加载中…';
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emptyEl.style.display = 'flex';
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}
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}
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function loadKline() {
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var symbol = getSymbol();
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if (!symbol) {
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alert('请先选择或输入合约代码');
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return;
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}
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setLoading(true);
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if (wrapEl) wrapEl.classList.remove('has-data');
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var url = '/api/kline?symbol=' + encodeURIComponent(symbol) + '&period=' + encodeURIComponent(currentPeriod);
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fetch(url)
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.then(function (r) {
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return r.json().then(function (j) { return { ok: r.ok, data: j }; });
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})
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.then(function (res) {
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if (!res.ok) {
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throw new Error(res.data.error || '加载失败');
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}
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if (wrapEl) wrapEl.classList.add('has-data');
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renderChart(res.data);
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updateQuoteMeta(res.data);
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startQuotePoll();
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})
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.catch(function (err) {
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if (emptyEl) {
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emptyEl.textContent = err.message || '加载失败';
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emptyEl.style.display = 'flex';
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}
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if (wrapEl) wrapEl.classList.remove('has-data');
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})
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.finally(function () { setLoading(false); });
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}
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function updateQuoteMeta(data) {
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var meta = document.getElementById('market-quote-meta');
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if (meta) {
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meta.textContent = data.count ? ('共 ' + data.count + ' 根 · ' + periodLabel(data.period)) : '';
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}
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var nameEl = document.getElementById('market-quote-name');
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var hiddenName = document.getElementById('market-symbol-name');
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if (nameEl) {
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nameEl.textContent = (hiddenName && hiddenName.value) || data.symbol || '—';
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}
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}
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function loadQuote() {
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var codes = getMarketCodes();
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if (!codes.symbol) return;
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var q = 'symbol=' + encodeURIComponent(codes.symbol);
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if (codes.market_code) q += '&market_code=' + encodeURIComponent(codes.market_code);
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if (codes.sina_code) q += '&sina_code=' + encodeURIComponent(codes.sina_code);
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fetch('/api/market_quote?' + q)
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.then(function (r) { return r.json(); })
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.then(function (data) {
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var priceEl = document.getElementById('market-quote-price');
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var nameEl = document.getElementById('market-quote-name');
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if (nameEl && data.name) nameEl.textContent = data.name + ' ' + (data.symbol || '');
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if (priceEl) {
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priceEl.textContent = data.price != null ? Number(data.price).toFixed(2) : '—';
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}
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})
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.catch(function () { /* ignore */ });
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}
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function startQuotePoll() {
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if (quoteTimer) clearInterval(quoteTimer);
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loadQuote();
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quoteTimer = setInterval(loadQuote, 5000);
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}
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function bindPeriodTabs() {
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var tabs = document.getElementById('market-period-tabs');
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if (!tabs) return;
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tabs.addEventListener('click', function (e) {
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var btn = e.target.closest('.period-tab');
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if (!btn) return;
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tabs.querySelectorAll('.period-tab').forEach(function (el) { el.classList.remove('active'); });
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btn.classList.add('active');
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currentPeriod = btn.getAttribute('data-period') || '15m';
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if (getSymbol()) loadKline();
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});
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}
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document.addEventListener('DOMContentLoaded', function () {
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initChart();
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bindPeriodTabs();
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var active = document.querySelector('.period-tab.active');
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if (active) currentPeriod = active.getAttribute('data-period') || '15m';
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var loadBtn = document.getElementById('market-load-btn');
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if (loadBtn) loadBtn.addEventListener('click', loadKline);
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var hidden = document.getElementById('market-symbol-hidden');
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var input = document.getElementById('market-symbol-input');
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if (hidden && hidden.value) {
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if (input && !input.value) input.value = hidden.value;
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loadKline();
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}
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});
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})();
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