echarts饼状图环形颜色渐变，并且上面有刻度，右侧使用自定义html实现legend饼状图中心是总数以及标题。
组件代码
<template>
<div class="echartsBodys">
<echarts1 title="应交付项目总数" :total="total" :list="list" ref="echarts"></echarts1>
<div class="list">
<div class="listItem cur" @click="getChecked(index)" v-for="(item,index) in list" :key="index">
<div class="listIteml">
<div class="dot" :class="{disabled:!item.checked}"
:style="'background: linear-gradient(0deg,'+item.color1+' 0%, '+item.color2+' 100%);'"></div>
<span :class="{disabled:!item.checked}">{{ item.name }}</span>
</div>
<div class="num"
:class="{disabled:!item.checked}">
{{ item.value }}
</div>
</div>
</div>
</div>
</template>
<script>
import echarts1 from "./echarts.vue";
export default {
name: "title",
data() {
return {
list: [
{
name: '未完成“保交楼”任务项目数',
value: 80,
color1: 'rgba(75, 98, 255, 1)',
color2: 'rgba(78, 135, 255, 1)',
checked: true
},
{
name: '已完成“保交楼”任务项目数',
value: 100,
color1: '#1ef2c1',
color2: '#26e0ee',
checked: true
}]
}
},
computed: {
total: function () {
var total = 0
this.list.forEach((type) => {
total += type.value
});
return total
}
},
components: {echarts1},
methods: {
getChecked(index) {
this.list[index].checked = !this.list[index].checked
this.$refs.echarts.drawEcharts()
}
},
}
</script>
<style lang="scss" scoped>
.list {
margin-left: 0px;
position: relative;
width: 60%;
height: calc(100% - 10px);
//background: url("./assets/jiaobiaobg.png") no-repeat;
//background-size: 100% 100%;
display: flex;
justify-content: center;
align-items: center;
flex-wrap: wrap;
flex-direction: column;
align-content: flex-start;
.listItem {
font-size: 14px;
display: flex;
justify-content: flex-start;
align-items: center;
flex-wrap: nowrap;
flex-direction: row;
align-content: flex-start;
width: 100%;
margin-bottom: 15px;
margin-top: 15px;
height: 38px;
background: rgba(0, 54, 96, 0.4);
//border: 1px solid #328FFC;
border-radius: 19px;
box-shadow: inset 0px 0px 10px #318efb;
.listIteml {
display: flex;
justify-content: flex-start;
align-items: center;
flex-wrap: nowrap;
flex-direction: row;
align-content: flex-start;
font-size: 13px;
font-family: MicrosoftYaHei;
font-weight: 400;
color: rgba(152, 191, 251, 1);
}
span {
font-size: 14px;
font-family: MicrosoftYaHei;
font-weight: 400;
color: #FFFFFF;
display: flex;
justify-content: flex-start;
align-items: center;
flex-wrap: nowrap;
flex-direction: row;
align-content: flex-start;
}
.num {
margin-left: 10px;
font-size: 14px;
font-family: MicrosoftYaHei;
font-weight: 400;
color: #FFFFFF;
}
.dot {
width: 12px;
height: 12px;
border-radius: 50%;
margin-right: 10px;
flex-shrink: 0;
margin-left: 20px;
}
.dot.disabled {
background: rgba(#999, 0.8) !important;
}
.disabled span, span.disabled {
color: rgba(#999, 0.8) !important;
}
}
.listItem:nth-child(4) {
width: 68%;
}
.listItem:nth-child(5) {
width: 68%;
}
}
.echartsBodys {
width: 100%;
position: relative;
height: 100%;
display: flex;
justify-content: space-between;
align-items: center;
flex-wrap: nowrap;
flex-direction: row;
align-content: flex-start;
}
</style>
echarts代码
<template>
<div class="echartsBody">
<div class="echartsBody1" ref="echarts1"></div>
<div class="echartsBody2">
<div class="echartsTitle">{{ total }}</div>
<div class="echartsDesc">{{ title }}</div>
</div>
</div>
</template>
<script>
import * as echarts from "echarts"
export default {
name: 'echarts1',
components: {},
data() {
return {}
},
props: {
list: {
type: Array,
default() {
return [];
}
},
shadowColor: {
type: String,
default() {
return 'rgba(254, 175, 87, 0.5)';
}
},
title: {
type: String,
default() {
return '总数';
}
},
total: {
type: String,
default() {
return 0;
}
},
},
mounted() {
var that = this;
const viewElem = document.body;
// 监听窗口变化,重绘echarts
const resizeObserver = new ResizeObserver(() => {
setTimeout(() => {
that.drawEcharts();
}, 300)
});
resizeObserver.observe(viewElem);
},
computed: {
colorList: function () {
var that = this;
var colorList = []
that.list.forEach((type) => {
if (type.checked) {
var color = new echarts.graphic.LinearGradient(0, 0, 1, 1, [{
offset: 0,
color: type.color1
}, {
offset: 1,
color: type.color2
}])
colorList.push(color)
}
}
);
return colorList
}
},
methods: {
drawEcharts() {
var that = this
let myChart = echarts.init(this.$refs.echarts1)
var colors = this.colorList
var data = []
var placeHolderStyle = {
normal: {
label: {
show: false
},
labelLine: {
show: false
},
color: 'rgba(0, 0, 0, 0)',
borderColor: 'rgba(0, 0, 0, 0)',
borderWidth: 0
}
};
that.list.forEach((type) => {
if (type.checked) {
var datas = {
...type,
itemStyle: {
normal: {
borderColor: new echarts.graphic.LinearGradient(0, 0, 1, 1, [{
offset: 0,
color: type.color1
}, {
offset: 1,
color: type.color2
}]),
shadowColor: that.shadowColor
}
}
}
data.push(datas)
}
});
var option = {
color: colors,
tooltip: {
trigger: 'item',
// formatter: '{a} {b} : {c} ({d}%)'
},
series: [
{
type: 'pie',
hoverAnimation: false,
center: ['50%', '50%'],
radius: ['65%', '90%'],
labelLine: {
normal: {
length: 20
}
},
label: {
show: false,
position: 'inside',
formatter: '{d}%',
color: '#fff',
fontSize: 16
},
itemStyle: {
normal: {
borderColor: '#3eebc4',
borderWidth: 0
}
},
data: data
},
{
type: 'pie',
name: '中间黑色背景',
radius: ['100%', '99%'],
center: ['50%', '50%'],
startAngle: 110,
hoverAnimation: false,
itemStyle: {
normal: {
color: new echarts.graphic.LinearGradient(0, 0, 1, 1, [{
offset: 0,
color: '#11417d'
}, {
offset: 1,
color: '#11417d'
}]),
},
},
tooltip: {
show: false,
},
label: {
show: false
},
data: [50]
},
{
type: 'pie',
name: '中间背景',
radius: ['0%', '60%'],
center: ['50%', '50%'],
startAngle: 110,
hoverAnimation: false,
itemStyle: {
normal: {
color: new echarts.graphic.LinearGradient(0, 0, 1, 1, [{
offset: 0,
color: 'rgba(75, 98, 255, 0.1)'
}, {
offset: 1,
color: 'rgba(75, 98, 255, 0.1)'
}]),
},
},
tooltip: {
show: false,
},
label: {
show: false
},
data: [50]
},
{
type: 'gauge',
radius: '90%',
clockwise: false,
startAngle: '90',
endAngle: '-269.9999',
splitNumber: 20,
z: 4,
detail: {
offsetCenter: [0, -20],
formatter: ' '
},
pointer: {
show: false
},
axisLine: {
show: false
},
axisTick: {
show: false
},
splitLine: {
show: true,
length: 22,
lineStyle: {
shadowBlur: 10,
shadowColor: 'rgba(0, 255, 255, 0)',
shadowOffsetY: '0',
color: '#071a39',
width: 2
}
},
axisLabel: {
show: false
}
},
]
}
myChart.clear()
myChart.resize()
myChart.setOption(option)
},
}
}
</script>
<style lang="scss" scoped>
.echartsBody {
position: relative;
width: 40%;
height: calc(100% - 0px);
.echartsBody1 {
position: relative;
width: 100%;
height: calc(100% - 0px);
}
}
.echartsBody2 {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: calc(100% - 0px);
display: flex;
justify-content: center;
align-items: center;
flex-wrap: nowrap;
flex-direction: column;
align-content: flex-start;
pointer-events: none;
.echartsTitle {
font-size: 32px;
font-family: UniDream;
font-weight: normal;
color: #FFFFFF;
text-shadow: 0px 0px 10px #4e85ff;
}
.echartsDesc {
font-size: 16px;
font-family: MicrosoftYaHei;
font-weight: 400;
color: #A4C4FF;
width: 80px;
text-align: center;
}
}
</style>
