144 lines
3.5 KiB
Vue
144 lines
3.5 KiB
Vue
<template>
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<div style="height:100%;width:100%" :id="echartsId"></div>
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</template>
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<script setup>
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import * as echarts from "echarts";
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import { el } from "element-plus/es/locale.mjs";
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import { on } from "element-plus/lib/utils";
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import { onMounted, ref, reactive, defineProps, onUnmounted, watch, nextTick, onBeforeUnmount } from "vue";
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const props = defineProps({
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echartsId:{
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type:String,
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default:'moreBarId'
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},
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data:{
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type:Object,
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default:{
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xData:[],
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color:[],
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stack:false, //fasle 并排展示 ，true 堆叠展示
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barWidth:'12px',
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labelColor:'#fff', //横坐标颜色 - 纵坐标颜色 - 标题颜色
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list:[]
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}
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}
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});
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// 保存图表实例和 resize 处理函数
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let myChart = null;
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const handleResize = () => {
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myChart && myChart.resize();
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};
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watch(()=>props.data,val=>{
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nextTick(()=>{ init(val) })
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},{immediate:true,deep:true})
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// 初始化
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function init (val) {
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let color = val.color;
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let list = val.list
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let series = list.map((item ,idx)=>{
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let obj = {
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type: "bar",
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name:item.label,
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data:item.val,
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barWidth: val.barWidth ? val.barWidth: "12px",
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}
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// 是否渐变
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if( Array.isArray(color[idx]) && color[idx].length > 0){
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obj.label = { normal:{show:true,position:'top',color:color[idx][0] ? color[idx][0] : '#EB00FF'} }
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obj.itemStyle = {
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normal: {
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color: new echarts.graphic.LinearGradient(0,0,0,1,[{ offset: 0, color: color[idx][0] },{ offset: 1, color: color[idx][1] }],false)
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}
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}
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}else{
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obj.itemStyle = {normal: {color: color[idx] ? color[idx] : '#EB00FF'}}
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obj.label = { normal:{show:true,position:'top',color:color[idx] ? color[idx] : '#EB00FF'} }
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}
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// 是否堆叠
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if(val.stack) obj.stack = 'total';
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return obj;
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})
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chartFn(series)
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}
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function chartFn(series) {
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// 复用已有的图表实例，避免重复创建
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if (!myChart) {
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myChart = echarts.init(document.getElementById(props.echartsId));
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}
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var option = {
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grid: {
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top: "12%",
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right: "2%",
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left: "2%",
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bottom: "5%",
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containLabel:true
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},
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legend:{
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data:props.data.list.map(v=>{return v.label}),
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textStyle: { color: props.data.labelColor || "#fff" },
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icon:'diamond', //arrow,diamond,roundRect,rect,none,circle
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itemWidth:16,
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itemHeight:8,
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itemGap:10
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},
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tooltip: {
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trigger: "axis",
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axisPointer: {
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lineStyle: { color: "#ddd" }
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},
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backgroundColor: "rgba(255,255,255,1)",
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padding: [5, 10],
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textStyle: { color: "#7588E4" },
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extraCssText: "box-shadow: 0 0 5px rgba(0,0,0,0.3)"
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},
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xAxis: {
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type: "category",
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data:props.data.xData,
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axisTick: { show: false },
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axisLine: { show: false },
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axisLabel: { color: props.data.labelColor || "#fff",magin:20 },
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},
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yAxis: {
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type: "value",
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splitLine: {
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show:true ,
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lineStyle: {
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type:'dashed',
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color: "rgba(14,95,255,0.5)"
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}
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},
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axisTick: { show: false },
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axisLine: { show: false },
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axisLabel: { color: props.data.labelColor || "#fff"},
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},
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series:series
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};
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option && myChart.setOption(option);
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}
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// 组件挂载时添加 resize 监听
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onMounted(() => {
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window.addEventListener('resize', handleResize);
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});
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// 组件卸载时清理资源
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onBeforeUnmount(() => {
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window.removeEventListener('resize', handleResize);
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if (myChart) {
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myChart.dispose();
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myChart = null;
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}
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});
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</script>
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<style lang="scss" scoped>
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</style> |