125 lines
3.8 KiB
JavaScript
125 lines
3.8 KiB
JavaScript
// src/mocks/data/kline.js
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// K线数据生成函数
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/**
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* 生成分时数据 (timeline)
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* 用于展示当日分钟级别的价格走势
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*/
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export const generateTimelineData = (indexCode) => {
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const data = [];
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const basePrice = getBasePrice(indexCode);
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const today = new Date();
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// 生成早盘数据 (09:30 - 11:30)
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const morningStart = new Date(today.setHours(9, 30, 0, 0));
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const morningEnd = new Date(today.setHours(11, 30, 0, 0));
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generateTimeRange(data, morningStart, morningEnd, basePrice, 'morning');
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// 生成午盘数据 (13:00 - 15:00)
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const afternoonStart = new Date(today.setHours(13, 0, 0, 0));
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const afternoonEnd = new Date(today.setHours(15, 0, 0, 0));
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generateTimeRange(data, afternoonStart, afternoonEnd, basePrice, 'afternoon');
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return data;
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};
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/**
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* 生成日线数据 (daily)
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* 用于获取历史收盘价等数据
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*/
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export const generateDailyData = (indexCode, days = 30) => {
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const data = [];
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const basePrice = getBasePrice(indexCode);
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const today = new Date();
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for (let i = days - 1; i >= 0; i--) {
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const date = new Date(today);
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date.setDate(date.getDate() - i);
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// 跳过周末
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const dayOfWeek = date.getDay();
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if (dayOfWeek === 0 || dayOfWeek === 6) continue;
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const open = basePrice * (1 + (Math.random() * 0.04 - 0.02));
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const close = open * (1 + (Math.random() * 0.03 - 0.015));
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const high = Math.max(open, close) * (1 + Math.random() * 0.015);
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const low = Math.min(open, close) * (1 - Math.random() * 0.015);
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const volume = Math.floor(Math.random() * 50000000000 + 10000000000);
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data.push({
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date: formatDate(date),
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time: formatDate(date),
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open: parseFloat(open.toFixed(2)),
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close: parseFloat(close.toFixed(2)),
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high: parseFloat(high.toFixed(2)),
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low: parseFloat(low.toFixed(2)),
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volume: volume,
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prev_close: i === 0 ? parseFloat((basePrice * 0.99).toFixed(2)) : data[data.length - 1]?.close
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});
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}
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return data;
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};
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/**
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* 生成时间范围内的数据
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*/
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function generateTimeRange(data, startTime, endTime, basePrice, session) {
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const current = new Date(startTime);
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let price = basePrice;
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// 波动趋势（早盘和午盘可能有不同的走势）
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const trend = session === 'morning' ? Math.random() * 0.02 - 0.01 : Math.random() * 0.015 - 0.005;
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while (current <= endTime) {
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// 添加随机波动
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const volatility = (Math.random() - 0.5) * 0.005;
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price = price * (1 + trend / 120 + volatility); // 每分钟微小变化
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const volume = Math.floor(Math.random() * 500000000 + 100000000);
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data.push({
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time: formatTime(current),
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price: parseFloat(price.toFixed(2)),
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close: parseFloat(price.toFixed(2)),
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volume: volume,
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prev_close: basePrice
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});
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// 增加1分钟
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current.setMinutes(current.getMinutes() + 1);
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}
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}
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/**
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* 获取不同指数的基准价格
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*/
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function getBasePrice(indexCode) {
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const basePrices = {
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'000001.SH': 3200, // 上证指数
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'399001.SZ': 10500, // 深证成指
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'399006.SZ': 2100 // 创业板指
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};
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return basePrices[indexCode] || 3000;
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}
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/**
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* 格式化时间为 HH:mm
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*/
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function formatTime(date) {
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const hours = String(date.getHours()).padStart(2, '0');
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const minutes = String(date.getMinutes()).padStart(2, '0');
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return `${hours}:${minutes}`;
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}
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/**
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* 格式化日期为 YYYY-MM-DD
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*/
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function formatDate(date) {
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const year = date.getFullYear();
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const month = String(date.getMonth() + 1).padStart(2, '0');
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const day = String(date.getDate()).padStart(2, '0');
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return `${year}-${month}-${day}`;
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}
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