# 散点图
查看代码详情
<template>
<div ref="scatter" style="height: 100%"></div>
</template>
<script>
export default {
name: "WebScatter",
props: {
config: {
type: Function,
},
data: {
type: [Array, Object],
default: () => [],
},
styles: {
type: String,
default: "height: 100%;width:800px;",
},
title: {
type: [Array, Object],
default: () => [
{
text: "统计数据",
subtext: "单位：个",
},
],
},
tooltip: {
type: [Array, Object],
default: () => [
{
trigger: "axis",
axisPointer: {
type: "shadow",
},
},
],
},
grid: {
type: [Array, Object],
default: () => [
{
top: "250",
bottom: 30,
},
],
},
legend: {
type: [Array, Object],
default: () => [
{
orient: "vertical",
left: "0%",
top: "0%",
bottom: "center",
data: ["<10w", "10w-50w", "50w-100w", "100w-500w", ">500w"],
},
],
},
xAxis: {
type: [Array, Object],
default: () => [
{
show: false,
},
],
},
yAxis: {
type: [Array, Object],
default: () => [
{
show: false,
},
],
},
series: {
type: [Array, Object],
default: () => [
{
type: "scatter",
radius: ["58%", "68%"],
},
],
},
},
data() {
return {
option: {
title: this.titleTransform(this.title),
tooltip: this.tooltip,
grid: this.grid,
legend: this.legend,
series: this.series,
},
charts: null,
};
},
methods: {
titleTransform({ text, subtext, ...others }) {
let arr = [];
let target = {};
if (text) {
target = {
text: "{style1|}{style2|}{style3|}" + text,
textStyle: {
fontWeight: "800",
color: "#333",
fontSize: 18,
rich: {
style1: {
height: 20,
width: 4,
backgroundColor: "#2d65f2",
},
style2: {
height: 20,
width: 4,
backgroundColor: "#b2c2ff",
},
style3: {
width: 10,
},
},
},
left: 0,
top: 0,
...others,
};
arr.push(target);
}
if (subtext) {
target = {
subtext: "{style1|}" + subtext,
subtextStyle: {
align: "right",
verticalAlign: "top",
color: "#666",
fontSize: "18",
rich: {
style1: {},
},
},
right: 0,
top: -10,
...others,
};
}
arr.push(target);
return arr;
},
},
mounted() {
this.charts = this.$echarts.init(this.$refs.scatter);
if (!this.config) {
this.charts.setOption(this.option);
}
},
watch: {
data: {
handler(val) {
let { title, ...option } = this.config(val);
this.charts.setOption({
title: title ? this.titleTransform(title) : [],
...option,
});
},
deep: true,
},
},
};
</script>1
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遇到的难点
- 问题 1:tooltip 文本背景颜色即使没有设置透明度，也会是有透明度的，可以换用
effectScatter - 问题 2:
select在散点图里面是无效的
# 1.单个散点图
查看代码详情
<template>
<WebScatter :config="getOptions" :data="data"></WebScatter>
</template>
<script>
export default {
data() {
return {
data: [],
};
},
async created() {
let res = await this.$api.getScatter(1);
if (res.data) {
this.data = res.data.map((item) => ({ ...item, value: item.descript }));
}
},
methods: {
getOptions(data) {
return {
title: {
text: "xAxis + yAxis + 单个散点图",
subtext: "单位：元",
},
legend: {
orient: "vertical",
right: "10%",
top: "20%",
bottom: "center",
data: data.map((i) => i.name),
},
xAxis: {},
yAxis: {},
series: [
{
type: "scatter",
symbolSize: 20,
data: data,
},
],
};
},
},
};
</script>1
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# 2.多个散点图
查看代码详情
<template>
<WebScatter :config="getOptions" :data="data"></WebScatter>
</template>
<script>
export default {
data() {
return {
data: [],
};
},
async created() {
let res = await this.$api.getScatter(2);
if (res.data) {
this.data = res.data.map((item) => ({ ...item, value: item.descript }));
}
},
methods: {
getOptions(data) {
return {
title: {
text: "xAxis + yAxis + 多个散点图",
subtext: "",
},
legend: {
right: "10%",
top: "3%",
data: ["1990", "2015"],
},
grid: {
left: "8%",
top: "10%",
},
xAxis: {
splitLine: {
lineStyle: {
type: "dashed",
},
},
},
yAxis: {
splitLine: {
lineStyle: {
type: "dashed",
},
},
scale: true,
},
series: [
{
name: "1990",
data: data[0],
type: "scatter",
symbolSize: function (data) {
return Math.sqrt(data[2]) / 5e2;
},
emphasis: {
focus: "series",
label: {
show: true,
formatter: function (param) {
return param.data[3];
},
position: "top",
},
},
itemStyle: {
shadowBlur: 10,
shadowColor: "rgba(120, 36, 50, 0.5)",
shadowOffsetY: 5,
color: this.$echarts.graphic.RadialGradient(0.4, 0.3, 1, [
{
offset: 0,
color: "rgb(251, 118, 123)",
},
{
offset: 1,
color: "rgb(204, 46, 72)",
},
]),
},
},
{
name: "2015",
data: data[1],
type: "scatter",
symbolSize: function (data) {
return Math.sqrt(data[2]) / 5e2;
},
emphasis: {
focus: "series",
label: {
show: true,
formatter: function (param) {
return param.data[3];
},
position: "top",
},
},
itemStyle: {
shadowBlur: 10,
shadowColor: "rgba(25, 100, 150, 0.5)",
shadowOffsetY: 5,
color: this.$echarts.graphic.RadialGradient(0.4, 0.3, 1, [
{
offset: 0,
color: "rgb(129, 227, 238)",
},
{
offset: 1,
color: "rgb(25, 183, 207)",
},
]),
},
},
],
};
},
},
};
</script>
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