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src/components/Charts/Keyboard.vue
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<template>
<div :id="id" :class="className" :style="{height:height,width:width}" />
</template>
<script>
import echarts from 'echarts'
import resize from './mixins/resize'
export default {
mixins: [resize],
props: {
className: {
type: String,
default: 'chart'
},
id: {
type: String,
default: 'chart'
},
width: {
type: String,
default: '200px'
},
height: {
type: String,
default: '200px'
}
},
data() {
return {
chart: null
}
},
mounted() {
this.initChart()
},
beforeDestroy() {
if (!this.chart) {
return
}
this.chart.dispose()
this.chart = null
},
methods: {
initChart() {
this.chart = echarts.init(document.getElementById(this.id))
const xAxisData = []
const data = []
const data2 = []
for (let i = 0; i < 50; i++) {
xAxisData.push(i)
data.push((Math.sin(i / 5) * (i / 5 - 10) + i / 6) * 5)
data2.push((Math.sin(i / 5) * (i / 5 + 10) + i / 6) * 3)
}
this.chart.setOption({
backgroundColor: '#08263a',
grid: {
left: '5%',
right: '5%'
},
xAxis: [{
show: false,
data: xAxisData
}, {
show: false,
data: xAxisData
}],
visualMap: {
show: false,
min: 0,
max: 50,
dimension: 0,
inRange: {
color: ['#4a657a', '#308e92', '#b1cfa5', '#f5d69f', '#f5898b', '#ef5055']
}
},
yAxis: {
axisLine: {
show: false
},
axisLabel: {
textStyle: {
color: '#4a657a'
}
},
splitLine: {
show: true,
lineStyle: {
color: '#08263f'
}
},
axisTick: {
show: false
}
},
series: [{
name: 'back',
type: 'bar',
data: data2,
z: 1,
itemStyle: {
normal: {
opacity: 0.4,
barBorderRadius: 5,
shadowBlur: 3,
shadowColor: '#111'
}
}
}, {
name: 'Simulate Shadow',
type: 'line',
data,
z: 2,
showSymbol: false,
animationDelay: 0,
animationEasing: 'linear',
animationDuration: 1200,
lineStyle: {
normal: {
color: 'transparent'
}
},
areaStyle: {
normal: {
color: '#08263a',
shadowBlur: 50,
shadowColor: '#000'
}
}
}, {
name: 'front',
type: 'bar',
data,
xAxisIndex: 1,
z: 3,
itemStyle: {
normal: {
barBorderRadius: 5
}
}
}],
animationEasing: 'elasticOut',
animationEasingUpdate: 'elasticOut',
animationDelay(idx) {
return idx * 20
},
animationDelayUpdate(idx) {
return idx * 20
}
})
}
}
}
</script>
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