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import {getStockRecentKMinuteRT, getStockKRT} from '@/api/stockrt' import {parseTime} from '@/utils/utils' export default class CustomDatafeed { /** * 模糊搜索标的 * 在搜索框输入的时候触发 * 返回标的信息数组 */ searchSymbols(search) { // 根据模糊字段远程拉取标的数据 console.log(search) } /** * 获取历史k线数据 * 当标的和周期发生变化的时候触发 * * 返回标的k线数据数组 */ getHistoryKLineData(symbol, period, from, to) { // 完成数据请求 console.log(symbol, period, from, to, parseTime(from, '{y}-{m}-{d} {h}:{i}:{s}'), parseTime(to, '{y}-{m}-{d} {h}:{i}:{s}')) let api = getStockRecentKMinuteRT const params = { code: symbol.ticker, period: `${period.multiplier}`, start_date: parseTime(from, '{y}-{m}-{d} {h}:{i}:{s}'), end_date: parseTime(to, '{y}-{m}-{d} {h}:{i}:{s}') } if (period.timespan != 'minute') { api = getStockKRT params.period = period.timespan == 'day' ? 'daily': (period.timespan == 'week' ? 'weekly': 'monthly') params.start_date = parseTime(from, '{y}{m}{d}') params.end_date = parseTime(to, '{y}{m}{d}') } return new Promise((resolve, reject) => { api(params).then((res) => { const _its = res.data.items || [] const _items = _its.map(item => { return { timestamp: (new Date(item.time||item.date)).getTime(), open: item.open, close: item.close, high: item.highest, low: item.lowest, volume: item.volume, turnover: item.turnover || 1 } }) resolve(_items) }).catch(() => { resolve([]) }) }) } /** * 订阅标的在某个周期的实时数据 * 当标的和周期发生变化的时候触发 * * 通过callback告知图表接收数据 */ subscribe(symbol, period, callback) { // 完成ws订阅或者http轮询 console.log('subscribe', symbol, period, callback) } /** * 取消订阅标的在某个周期的实时数据 * 当标的和周期发生变化的时候触发 * */ unsubscribe(symbol, period) { // 完成ws订阅取消或者http轮询取消 console.log('unsubscribe', symbol, period) } }
当我拖动图表的时候,我能看到getHistoryKLineData被触发,然后通过新的from/to来获取到数据,我看了下接口请求的参数和返回的数据都是正常。但是图表里面显示的一直都是第一次调用getHistoryKLineData时的数据的重复显示!
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from, to 是时间戳,你转换后在数据源拉取的数据有问题,当你放大缩小图表时候就会把数据重复渲染出来
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当我拖动图表的时候,我能看到getHistoryKLineData被触发,然后通过新的from/to来获取到数据,我看了下接口请求的参数和返回的数据都是正常。但是图表里面显示的一直都是第一次调用getHistoryKLineData时的数据的重复显示!
The text was updated successfully, but these errors were encountered: