barChart.vue
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<template>
<div :class="className" :style="{height:height,width:width}"></div>
</template>
<script>
import echarts from 'echarts'
import {debounce} from '../utils/debounce'
export default {
name: 'barChart',
props: {
className: {
type: String,
default: 'chart'
},
width: {
type: String,
default: '100%'
},
height: {
type: String,
default: '100%'
},
autoResize: {
type: Boolean,
default: true
},
chartData: {
type: Object,
required: true
}
},
data() {
return {
chart: null
}
},
watch: {
chartData: {
deep: true,
}
},
mounted() {
this.initChart()
if (this.autoResize) {
this.__resizeHandler = debounce(() => {
if (this.chart) {
this.chart.resize()
}
}, 100)
window.addEventListener('resize', this.__resizeHandler)
}
},
beforeDestroy() {
if (!this.chart) {
return
}
if (this.autoResize) {
window.removeEventListener('resize', this.__resizeHandler)
}
this.chart.dispose()
this.chart = null
},
methods: {
setOptions({xData, yData} = {}) {
this.chart.setOption({
xAxis: {
boundaryGap: true,
axisLabel : {
formatter: '{value}',
textStyle: {
color: '#59AAF7'
}
},
axisLine:{
lineStyle:{
color:'rgba(89,170,247,.3)'
}
},
axisTick: {
show: false
},
splitLine: {
show: false
},
data: [
{
value: xData[0],
textStyle: {
fontSize: 12,
color: '#59AAF7'
}
},
{
value: xData[1],
textStyle: {
fontSize: 12,
color: '#FFB900'
}
},
{
value: xData[2],
textStyle: {
fontSize: 12,
color: '#FD4B15'
}
}
]
},
grid: {
left: 10,
right: 10,
bottom: 10,
top: 10,
containLabel: true
},
tooltip: {
},
yAxis: {
axisLabel : {
formatter: '{value}',
textStyle: {
color: '#fff'
}
},
axisLine:{
lineStyle:{
color:'rgba(89,170,247,.3)'
}
},
axisTick: {
show: false
},
splitLine: {
show: false
},
splitNumber:3
},
series: [{
type: 'bar',
barWidth:25,
data: [
{
name: xData[0],
value: yData[0],
label: {
show: true,
position: 'top',
textStyle: {
fontSize: 14,
color: '#01AEFE'
}
},
itemStyle: {
normal: {
color: new echarts.graphic.LinearGradient(
0, 0, 0, 1,
[
{ offset: 0, color: '#635BE6' },
{ offset: 1, color: '#6DB7EF' }
]
)
}
}
},
{
name: xData[1],
value: yData[1],
label: {
show: true,
position: 'top',
textStyle: {
fontSize: 14,
color: '#FFB700'
}
},
itemStyle: {
normal: {
color: new echarts.graphic.LinearGradient(
0, 0, 0, 1,
[
{ offset: 0, color: '#F9B205' },
{ offset: 1, color: '#F2E34A' }
]
)
}
}
},
{
name: xData[2],
value: yData[2],
label: {
show: true,
position: 'top',
textStyle: {
fontSize: 14,
color: '#FD4B15'
}
},
itemStyle: {
normal: {
color: new echarts.graphic.LinearGradient(
0, 0, 0, 1,
[
{ offset: 0, color: '#F36C00' },
{ offset: 1, color: '#F4C5A8' }
]
)
}
}
}
]
}]
})
},
initChart() {
this.chart = echarts.init(this.$el)
this.setOptions(this.chartData)
}
}
}
</script>