<template>
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<van-loading color="#1194F7" class="loading-box" v-if="isLoading" />
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<div id="kline" class="boxDisplay" :style="{ height: `${props.height || defaultH}px`, position: 'relative' }"
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v-if="defaultH">
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</div>
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<ul class="flex px-4 py-4 box-border justify-between indicator-box" v-if="showBottom"
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style="border-top:1px solid rgba(68,75,88,0.2);">
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<li v-for="item in subTechnicalIndicatorTypes" :key="item" class="mr-2" :class="{ 'textColor': typeValue === item }"
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@click="choiceType(item)">{{ item }}
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</li>
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</ul>
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</template>
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<script setup>
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import { init, dispose } from 'klinecharts'
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import { nextTick, onBeforeUnmount, onMounted, ref } from 'vue'
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import config from './config'
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import { SET_STAGE } from '@/store/types.store';
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import fakeData from './fake-data'
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import { _getKline } from "@/service/trade.api";
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import { WS_URL } from '@/config'
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import { useQuotesStore } from '@/store/quotes.store'
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import { useI18n } from "vue-i18n";
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const { t } = useI18n()
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const quotesStore = useQuotesStore()
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let chart = null
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const paneId = ref('')
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const typeValue = ref('MA')//图形类型
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const subTechnicalIndicatorTypes = ref(['MA', 'EMA', 'BOLL', 'VOL', 'MACD', 'KDJ', 'RSI'])
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const data = ref(fakeData)
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const defaultH = ref(0)
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const loading = ref(false)
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const isLoading = ref(false)
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const socket = ref(null)
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const timer = ref(null)
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const emits = defineEmits(['data', 'loading'])
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onMounted(() => {
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defaultH.value = window.innerHeight - 94
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nextTick(async () => {
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await initData1()
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await initData()
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startQuoteScoket()
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})
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})
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const props = defineProps({
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symbol: {
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type: String
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},
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height: {
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type: Number
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},
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chartType: {
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type: String,
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default: 'candle_solid'
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},
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showBottom: {
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type: Boolean,
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default: true
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},
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isShowsolid: {
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type: Boolean,
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default: false
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}
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})
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const startQuoteScoket = () => {
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closeSocket()
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socket.value = new WebSocket(`${WS_URL}/1/${props.symbol}`)
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socket.value.onmessage = (evt) => {
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const { data } = evt
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const { code, data: _data } = JSON.parse(data)
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if (code / 1 === 0) {
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emits('data', _data[0])
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updateCharts(_data[0])
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}
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}
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}
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onBeforeUnmount(() => {
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closeSocket()
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})
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const closeSocket = () => {
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socket.value && socket.value.close()
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socket.value = null
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}
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const updateCharts = async (nowData) => {
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const dataList = chart.getDataList()
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if (!dataList || dataList.length === 0) {
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return
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}
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const lastData = dataList[dataList.length - 1]
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// const nowData = this.updateData
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// const timeValue = this.timeValue
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// nowData.timestamp = nowData.ts
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// 防止停盘后柱状图自动刷新修改
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if ((nowData.timestamp - lastData.timestamp) >= quotesStore.seconds) {
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data.value = await _getKline(props.symbol, quotesStore.stage === 'timeSharing' ? '1min' : quotesStore.stage)
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// 修改 k 线图价格和 ws 推送价格不一致
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data.value.unshift()
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data.value.push({
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high: nowData.high,
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low: nowData.low,
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close: nowData.close,
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open: nowData.open,
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timestamp: nowData.timestamp
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})
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chart.applyNewData(data.value);
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return false
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}
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const newData = {
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close: nowData.close / 1,
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current_time: lastData.current_time,
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high: lastData.high > nowData.close / 1 ? lastData.high : (nowData.close / 1),
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// high: lastData.high,
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line: quotesStore.stage === 'timeSharing' ? '1min' : quotesStore.stage, // timeValue.id,
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low: lastData.low < nowData.close / 1 ? lastData.low : (nowData.close / 1),
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// low: lastData.low,
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open: lastData.open,
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symbol: lastData.symbol,
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// ts: lastData.ts, //
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// timestamp: lastData.timestamp, //
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// timestamp: nowData.ts || nowData.timestamp, //
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timestamp: (nowData.timestamp - lastData.timestamp) < quotesStore.seconds ? lastData.timestamp : (lastData.timestamp + quotesStore.seconds),
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// volume: lastData.volume / 1,
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volume: nowData.volume / 1
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}
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nextTick(() => {
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chart.setStyleOptions({
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candle: {
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type: props.chartType
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},
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yAxis: {
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width: quotesStore.stage === 'timeSharing' ? 0 : null,
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}
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})
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chart.updateData(newData)
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})
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}
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const initData = async () => {
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chart = init('kline', config);
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chart.setOffsetRightSpace(15)
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chart.setDataSpace(10)
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if (props.isShowsolid) {
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chart.createTechnicalIndicator('MA', false, { id: 'candle_pane' });
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paneId.value = chart.createTechnicalIndicator('MA');
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}
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// this.fetchData()
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chart.setStyleOptions({
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candle: {
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type: props.chartType
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},
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yAxis: {
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width: quotesStore.stage === 'timeSharing' ? 0 : null,
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}
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})
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if (!quotesStore.stage) {
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quotesStore[SET_STAGE]({ stage: '1min', seconds: 1 * 60 * 1000 })
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}
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emits('loading', true)
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isLoading.value = true
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await getKlineData()
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isLoading.value = false
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emits('loading', false)
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let length = 2
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if (data.value.length > 0) {
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length = data.value[data.value.length - 1].decimals
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}
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chart.setPriceVolumePrecision(length, 2)
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localStorage.setItem('kline', JSON.stringify(data.value))
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nextTick(() => {
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chart.applyNewData(data.value);
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})
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}
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const getKlineData = async () => {
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data.value = await _getKline(props.symbol, quotesStore.stage === 'timeSharing' ? '1min' : quotesStore.stage)
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if (data.value.length == 0) {
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timer.value = setTimeout(async () => {
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await getKlineData()
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}, 2000);
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} else {
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if (timer.value) {
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clearTimeout(timer.value)
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timer.value = null
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}
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isLoading.value = false
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emits('loading', false)
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let length = 2
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if (data.value.length > 0) {
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length = data.value[data.value.length - 1].decimals
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}
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chart.setPriceVolumePrecision(length, 2)
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localStorage.setItem('kline', JSON.stringify(data.value))
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nextTick(() => {
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console.log('ppp')
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chart.applyNewData(data.value);
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})
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}
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}
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const initData1 = async () => {
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chart = init('kline', config);
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chart.setOffsetRightSpace(15)
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chart.setDataSpace(10)
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data.value = JSON.parse(localStorage.getItem('kline'))
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if (!data.value) {
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data.value = await _getKline(props.symbol, quotesStore.stage === 'timeSharing' ? '1min' : quotesStore.stage)
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}
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let length = 2
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if (data.value.length > 0) {
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data.value[data.value.length - 1].decimals
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}
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chart.setPriceVolumePrecision(length, 2)
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// if (props.type === 'candle_solid') {
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// chart.createTechnicalIndicator('MA', false, { id: 'candle_pane' });
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// paneId.value = chart.createTechnicalIndicator('VOL');
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// }
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// this.fetchData()
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chart.setStyleOptions({
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candle: {
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type: props.chartType
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}
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})
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if (!quotesStore.stage) {
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quotesStore[SET_STAGE]({ stage: '1min', seconds: 1 * 60 * 1000 })
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}
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// console.log(data.value)
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nextTick(() => {
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chart.applyNewData(data.value);
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})
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}
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const choiceType = (type) => { // 选择副线
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typeValue.value = type
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chart.createTechnicalIndicator(type, false, { id: paneId.value })
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}
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</script>
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<style lang="scss" scoped>
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.textColor {
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color: $color_main;
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}
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.indicator-box {
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font-size: 12px;
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color: $text_color;
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}
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.loading-box {
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position: absolute;
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top: 30%;
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left: 50%;
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transform: translate(-50%, -50%);
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}
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</style>
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