由于此处饼图位置不处于当前 echarts 图表容器的中心位置,而是偏左一点,我们需要设置:
- 中心图片所在靠左位置【见 - 主要代码1】官方手册 https://echarts.apache.org/zh/option.html#graphic.elements-image.left
- 饼图所在靠左位置【见 - 主要代码2】官方手册 https://echarts.apache.org/zh/option.html#series-pie.radius
【主要代码1】【主要代码2】需要同时修改 距左侧距离:
<template>
<div id="AnomalyStatisticsEcharts" />
</template>
<script>
export default {
name: 'AnomalyStatisticsEcharts',
components: {},
props: {
theme: {
type: String,
required: true
},
dataList: {
type: Array,
// required: true
default: () => {
return [
{ value: 20, name: '测试1', pre: '10' },
{ value: 20, name: '测试2', pre: '10' },
{ value: 20, name: '测试3', pre: '10' },
{ value: 20, name: '倒计时社保卡接收不到三部分但实际福克斯', pre: '10' },
{ value: 20, name: '测试5', pre: '10' },
{ value: 20, name: '测试6', pre: '10' },
{ value: 20, name: '测试7', pre: '10' }
]
}
}
},
data() {
return {
Echarts: null
}
},
computed: {
options() {
return {
graphic: {
/**
* 【主要代码】图形中心展示图片
*/
elements: [
{
type: 'image',
style: {
image: require('@/assets/images/home/home_pie_center.png'), // 图片地址
width: 120,
height: 120
},
// left: '18.5%',
left: '60', // 【主要代码1】
top: 'center'
}
]
},
title: {
show: !this.dataList.length,
text: '暂无数据',
left: 'center',
top: 'center',
textStyle: {
color: this.theme === 'light-theme' ? '#000' : '#fff'
}
},
tooltip: {
trigger: 'item'
},
grid: {
left: 0
},
legend: {
type: 'scroll',
top: '5%',
right: 0,
orient: 'vertical',
itemGap: 14,
itemWidth: 14,
formatter: (name) => {
for (let i = 0; i < this.dataList.length; i++) {
if (this.dataList[i].name === name) {
const count = this.dataList[i].value
const percent = `${this.dataList[i].pre}%`
return `{name| ${name}} {count| ${count} |} {percent| ${percent}} `
}
}
},
textStyle: {
// rich放在textStyle里面
rich: {
name: {
fontSize: 14
// width: 100
},
count: {
fontSize: 14
},
percent: {
fontSize: 14
}
}
}
},
series: [
{
name: '异常点统计分析',
type: 'pie',
radius: ['70%', '90%'],
// center: ['25%', '50%'],
center: ['120', '50%'], // 【主要代码2】
avoidLabelOverlap: false,
itemStyle: {
// borderRadius: 10,
borderWidth: 2,
borderColor: '#fff'
},
label: {
show: false,
position: 'center'
},
emphasis: {
label: {
show: true,
fontSize: 20,
fontWeight: 'bold',
renderMode: 'html',
formatter: ['{b|{b}}', '{c|{c}}'].join('\n'),
// formatter: (params) => {
// console.log('params----', params)
// return `aaaaa`
// },
rich: {
b: {
color: '#000',
fontSize: 16,
padding: [0, 0, 10, 0]
},
c: {
fontSize: 32,
color: '#222',
fontWeight: 'bold'
}
}
}
},
labelLine: {
show: false
},
data: this.dataList || []
}
]
}
}
},
watch: {
theme() {
this.init()
},
dataList() {
this.init()
}
},
created() {},
mounted() {
window.addEventListener('resize', () => {
if (document.getElementById('AnomalyStatisticsEcharts')) {
this.Echarts = this.$echarts.init(document.getElementById('AnomalyStatisticsEcharts'))
this.Echarts.resize()
}
})
this.init()
},
methods: {
init() {
if (this.Echarts) {
this.Echarts.dispose()
}
this.Echarts = this.$echarts.init(document.getElementById('AnomalyStatisticsEcharts'))
this.Echarts.setOption(this.options)
// 高亮
let currentIndex = 0
this.Echarts.dispatchAction({
type: 'highlight',
seriesIndex: 0,
dataIndex: currentIndex
})
this.Echarts.on('mouseover', (params) => {
// 取消之前高亮
this.Echarts.dispatchAction({
type: 'downplay',
seriesIndex: 0,
dataIndex: currentIndex
})
// 获取当前高亮索引
currentIndex = params.dataIndex
// 设置当前高亮
this.Echarts.dispatchAction({
type: 'highlight',
seriesIndex: 0,
dataIndex: params.dataIndex
})
})
}
}
}
</script>
<style lang='scss' scoped>
#AnomalyStatisticsEcharts {
width: 100%;
height: 100%;
}
</style>