Files
DinQuant/frontend_vue/src/views/trading-assistant/components/PerformanceAnalysis.vue
T

486 lines
15 KiB
Vue

<template>
<div class="performance-analysis" :class="{ 'theme-dark': isDark }">
<a-spin :spinning="loading">
<div v-if="hasData" class="performance-shell">
<div class="metrics-grid">
<div class="metric-card" :class="getMetricClass(metrics.totalReturn)">
<div class="metric-label">{{ tt('trading-assistant.performance.totalReturn', 'Total Return') }}</div>
<div class="metric-value">{{ formatPercent(metrics.totalReturn) }}</div>
</div>
<div class="metric-card" :class="getMetricClass(metrics.annualReturn)">
<div class="metric-label">{{ tt('trading-assistant.performance.annualReturn', 'Annual Return') }}</div>
<div class="metric-value">{{ formatPercent(metrics.annualReturn) }}</div>
</div>
<div class="metric-card negative">
<div class="metric-label">{{ tt('trading-assistant.performance.maxDrawdown', 'Max Drawdown') }}</div>
<div class="metric-value">{{ formatPercent(metrics.maxDrawdown) }}</div>
</div>
<div class="metric-card">
<div class="metric-label">{{ tt('trading-assistant.performance.sharpe', 'Sharpe') }}</div>
<div class="metric-value">{{ formatNumber(metrics.sharpe) }}</div>
</div>
<div class="metric-card" :class="getMetricClass(metrics.winRate - 0.5)">
<div class="metric-label">{{ tt('trading-assistant.performance.winRate', 'Win Rate') }}</div>
<div class="metric-value">{{ formatPercent(metrics.winRate) }}</div>
</div>
<div class="metric-card" :class="getMetricClass((metrics.profitFactor || 0) - 1)">
<div class="metric-label">{{ tt('trading-assistant.performance.profitFactor', 'Profit Factor') }}</div>
<div class="metric-value">{{ formatNumber(metrics.profitFactor) }}</div>
</div>
<div class="metric-card">
<div class="metric-label">{{ tt('trading-assistant.performance.totalTrades', 'Trades') }}</div>
<div class="metric-value">{{ metrics.totalTrades || 0 }}</div>
</div>
<div class="metric-card">
<div class="metric-label">{{ tt('trading-assistant.performance.runningDays', 'Running Days') }}</div>
<div class="metric-value">{{ metrics.runningDays || 0 }}</div>
</div>
</div>
<div class="chart-section">
<div class="chart-title">{{ tt('trading-assistant.performance.equityCurve', 'Equity Curve') }}</div>
<div ref="equityChart" class="chart-container"></div>
</div>
<div class="chart-section">
<div class="chart-title">{{ tt('trading-assistant.performance.dailyReturns', 'Daily Returns') }}</div>
<div ref="dailyChart" class="chart-container chart-container-sm"></div>
</div>
</div>
<a-empty
v-else-if="!loading"
class="performance-empty"
:description="tt('trading-assistant.performance.noData', 'No performance data yet')"
/>
</a-spin>
</div>
</template>
<script>
import * as echarts from 'echarts'
import { getStrategyEquityCurve } from '@/api/strategy'
export default {
name: 'PerformanceAnalysis',
props: {
strategyId: {
type: [Number, String],
default: null
},
isDark: {
type: Boolean,
default: false
}
},
data () {
return {
loading: false,
metrics: {},
equityData: [],
dailyReturns: [],
equityChartInstance: null,
dailyChartInstance: null
}
},
computed: {
hasData () {
return this.equityData.length > 0
}
},
watch: {
strategyId: {
immediate: true,
handler (value) {
if (value) {
this.loadData()
} else {
this.resetState()
}
}
},
isDark () {
this.$nextTick(() => {
this.renderCharts()
})
}
},
mounted () {
window.addEventListener('resize', this.handleResize)
},
beforeDestroy () {
window.removeEventListener('resize', this.handleResize)
this.disposeCharts()
},
methods: {
tt (key, fallback, params) {
const translated = this.$t(key, params)
return translated !== key ? translated : fallback
},
resetState () {
this.metrics = {}
this.equityData = []
this.dailyReturns = []
this.disposeCharts()
},
async loadData () {
if (!this.strategyId) {
this.resetState()
return
}
this.loading = true
try {
const res = await getStrategyEquityCurve(this.strategyId)
const rawData = res && res.data
const curve = Array.isArray(rawData)
? rawData
: (rawData && Array.isArray(rawData.equity_curve) ? rawData.equity_curve : [])
this.equityData = curve
.map(item => ({
time: item.time || item.timestamp || item.created_at,
equity: Number(item.equity ?? item.value ?? item.y ?? 0),
trade_count: Number(item.trade_count || 0),
win_count: Number(item.win_count || 0),
gross_profit: Number(item.gross_profit || 0),
gross_loss: Number(item.gross_loss || 0)
}))
.filter(item => Number.isFinite(item.equity))
this.computeMetrics()
this.$nextTick(() => {
this.renderCharts()
})
} catch (error) {
this.resetState()
} finally {
this.loading = false
}
},
computeMetrics () {
if (!this.equityData.length) {
this.metrics = {}
this.dailyReturns = []
return
}
const values = this.equityData.map(item => item.equity)
const first = values[0] || 1
const last = values[values.length - 1] || first
const totalReturn = first > 0 ? (last - first) / first : 0
let peak = first || 1
let maxDrawdown = 0
const returns = []
for (let i = 1; i < values.length; i++) {
const prev = values[i - 1]
const current = values[i]
if (current > peak) {
peak = current
}
if (peak > 0) {
maxDrawdown = Math.min(maxDrawdown, (current - peak) / peak)
}
if (prev > 0) {
returns.push((current - prev) / prev)
}
}
this.dailyReturns = returns
const periods = Math.max(values.length - 1, 1)
const annualFactor = 365 / periods
const annualReturn = first > 0 && last > 0 ? Math.pow(last / first, annualFactor) - 1 : 0
const mean = returns.length ? returns.reduce((sum, value) => sum + value, 0) / returns.length : 0
const variance = returns.length > 1
? returns.reduce((sum, value) => sum + ((value - mean) ** 2), 0) / (returns.length - 1)
: 0
const std = variance > 0 ? Math.sqrt(variance) : 0
const sharpe = std > 0 ? (mean / std) * Math.sqrt(365) : 0
const winningReturns = returns.filter(value => value > 0)
const losingReturns = returns.filter(value => value < 0)
const grossProfit = losingReturns.length || winningReturns.length
? winningReturns.reduce((sum, value) => sum + value, 0)
: this.equityData.reduce((sum, item) => sum + Math.max(item.gross_profit || 0, 0), 0)
const grossLoss = losingReturns.length
? Math.abs(losingReturns.reduce((sum, value) => sum + value, 0))
: Math.abs(this.equityData.reduce((sum, item) => sum + Math.min(item.gross_loss || 0, 0), 0))
this.metrics = {
totalReturn,
annualReturn: Number.isFinite(annualReturn) ? annualReturn : 0,
maxDrawdown: Math.abs(maxDrawdown),
sharpe: Number.isFinite(sharpe) ? sharpe : 0,
winRate: returns.length ? winningReturns.length / returns.length : 0,
profitFactor: grossLoss > 0 ? grossProfit / grossLoss : (grossProfit > 0 ? grossProfit : 0),
totalTrades: Math.max(values.length - 1, 0),
runningDays: values.length
}
},
renderCharts () {
if (!this.hasData) {
this.disposeCharts()
return
}
this.renderEquityChart()
this.renderDailyChart()
},
renderEquityChart () {
if (!this.$refs.equityChart) return
if (!this.equityChartInstance) {
this.equityChartInstance = echarts.init(this.$refs.equityChart)
}
const textColor = this.isDark ? '#d1d4dc' : '#1f2937'
const axisColor = this.isDark ? '#4b5563' : '#dbe2ea'
const areaTop = this.isDark ? 'rgba(34, 197, 94, 0.35)' : 'rgba(34, 197, 94, 0.22)'
const areaBottom = this.isDark ? 'rgba(59, 130, 246, 0.04)' : 'rgba(59, 130, 246, 0.02)'
this.equityChartInstance.setOption({
backgroundColor: 'transparent',
grid: { left: 16, right: 16, top: 24, bottom: 30, containLabel: true },
tooltip: {
trigger: 'axis',
backgroundColor: this.isDark ? '#111827' : '#ffffff',
borderColor: axisColor,
textStyle: { color: textColor },
formatter: (params) => {
const point = params && params[0]
if (!point) return ''
return `${point.axisValueLabel}<br/>${this.formatCurrency(point.data)}`
}
},
xAxis: {
type: 'category',
boundaryGap: false,
axisLine: { lineStyle: { color: axisColor } },
axisLabel: { color: textColor, margin: 12 },
data: this.equityData.map(item => this.formatAxisTime(item.time))
},
yAxis: {
type: 'value',
axisLine: { show: false },
axisTick: { show: false },
splitLine: { lineStyle: { color: axisColor, opacity: 0.55 } },
axisLabel: {
color: textColor,
formatter: value => this.formatCurrency(value)
}
},
series: [{
type: 'line',
smooth: true,
showSymbol: false,
lineStyle: { width: 3, color: '#22c55e' },
areaStyle: {
color: new echarts.graphic.LinearGradient(0, 0, 0, 1, [
{ offset: 0, color: areaTop },
{ offset: 1, color: areaBottom }
])
},
data: this.equityData.map(item => item.equity)
}]
})
},
renderDailyChart () {
if (!this.$refs.dailyChart) return
if (!this.dailyChartInstance) {
this.dailyChartInstance = echarts.init(this.$refs.dailyChart)
}
const textColor = this.isDark ? '#d1d4dc' : '#1f2937'
const axisColor = this.isDark ? '#4b5563' : '#dbe2ea'
this.dailyChartInstance.setOption({
backgroundColor: 'transparent',
grid: { left: 16, right: 16, top: 20, bottom: 30, containLabel: true },
tooltip: {
trigger: 'axis',
backgroundColor: this.isDark ? '#111827' : '#ffffff',
borderColor: axisColor,
textStyle: { color: textColor },
formatter: (params) => {
const point = params && params[0]
if (!point) return ''
return `${point.axisValueLabel}<br/>${this.formatPercent(point.data)}`
}
},
xAxis: {
type: 'category',
axisLine: { lineStyle: { color: axisColor } },
axisLabel: { color: textColor },
data: this.dailyReturns.map((_, index) => `#${index + 1}`)
},
yAxis: {
type: 'value',
axisLine: { show: false },
axisTick: { show: false },
splitLine: { lineStyle: { color: axisColor, opacity: 0.55 } },
axisLabel: {
color: textColor,
formatter: value => this.formatPercent(value)
}
},
series: [{
type: 'bar',
barWidth: '62%',
data: this.dailyReturns.map(value => ({
value,
itemStyle: {
color: value >= 0 ? '#22c55e' : '#ef4444',
borderRadius: value >= 0 ? [6, 6, 0, 0] : [0, 0, 6, 6]
}
}))
}]
})
},
handleResize () {
if (this.equityChartInstance) {
this.equityChartInstance.resize()
}
if (this.dailyChartInstance) {
this.dailyChartInstance.resize()
}
},
disposeCharts () {
if (this.equityChartInstance) {
this.equityChartInstance.dispose()
this.equityChartInstance = null
}
if (this.dailyChartInstance) {
this.dailyChartInstance.dispose()
this.dailyChartInstance = null
}
},
formatAxisTime (time) {
if (!time) return '--'
const raw = Number(time)
const date = Number.isFinite(raw)
? new Date(raw < 1e12 ? raw * 1000 : raw)
: new Date(time)
if (Number.isNaN(date.getTime())) return '--'
return date.toLocaleDateString(this.$i18n.locale === 'zh-CN' ? 'zh-CN' : 'en-US', {
month: 'short',
day: 'numeric'
})
},
formatPercent (value) {
const number = Number(value || 0) * 100
return `${number >= 0 ? '+' : ''}${number.toFixed(2)}%`
},
formatCurrency (value) {
const number = Number(value || 0)
return `$${number.toLocaleString('en-US', { minimumFractionDigits: 2, maximumFractionDigits: 2 })}`
},
formatNumber (value) {
return Number(value || 0).toFixed(2)
},
getMetricClass (value) {
return {
positive: Number(value) > 0,
negative: Number(value) < 0
}
}
}
}
</script>
<style lang="less" scoped>
.performance-analysis {
width: 100%;
.performance-shell {
display: flex;
flex-direction: column;
gap: 18px;
}
.metrics-grid {
display: grid;
grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
gap: 12px;
}
.metric-card {
padding: 14px 16px;
border: 1px solid #e5edf5;
border-radius: 16px;
background: linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
box-shadow: 0 12px 30px rgba(15, 23, 42, 0.06);
&.positive {
border-color: rgba(34, 197, 94, 0.32);
}
&.negative {
border-color: rgba(239, 68, 68, 0.28);
}
}
.metric-label {
color: #64748b;
font-size: 12px;
letter-spacing: 0.02em;
text-transform: uppercase;
}
.metric-value {
margin-top: 8px;
color: #0f172a;
font-size: 24px;
font-weight: 700;
line-height: 1.1;
}
.chart-section {
border: 1px solid #e5edf5;
border-radius: 18px;
padding: 16px;
background: #ffffff;
box-shadow: 0 12px 30px rgba(15, 23, 42, 0.06);
}
.chart-title {
margin-bottom: 14px;
color: #0f172a;
font-size: 15px;
font-weight: 600;
}
.chart-container {
height: 280px;
}
.chart-container-sm {
height: 240px;
}
.performance-empty {
padding: 54px 0;
}
&.theme-dark {
.metric-card,
.chart-section {
background: linear-gradient(180deg, #151d2f 0%, #101827 100%);
border-color: #25324a;
box-shadow: none;
}
.metric-label {
color: #94a3b8;
}
.metric-value,
.chart-title {
color: #e2e8f0;
}
}
}
</style>