linxianseng commented on issue #13208:
URL:
https://github.com/apache/incubator-echarts/issues/13208#issuecomment-683525463
<template>
<div >
<div style="overflow-y:auto;background-color:green;height:500px"
id="mybox" >
<el-row style="overflow-y:auto;background-color:yellow">
<el-col :span="20" >
<div id="myChart" :style="{height:aaa+'px'}"></div>
</el-col>
<el-col :span="4">
<div v-for="item in arr" :key="item" ref="my">
<div style="height:50px">{{item}}</div>
</div>
</el-col>
</el-row>
</div>
</div>
</template>
<script>
export default {
name: 'HelloWorld',
data () {
return {
arr:[],
num:0,
mixarr:[],
total:0 ,
aaa:100,
},
methods: {
fix(){
this.$nextTick(function() {
let div = document.getElementById('mybox');
div.scrollTop = div.scrollHeight;
})
},
add(){
setTimeout(()=>{
this.num ++;
this.arr.push(this.num)
},500)
},
addmix(){
for(let a=0;a<5;a++){
this.mixarr.unshift(Math.ceil(Math.random()*10))
}
},
initEcharts(){
let myChart = this.$echarts.init(document.getElementById('myChart'))
myChart.resize({height:this.total});
let option = {
xAxis: {
show:false,
type: 'value',
},
yAxis: {
show:false,
type: 'category'
},
series: [
{
data: this.mixarr,
type: 'line',
smooth: true
}
]
};
myChart.setOption(option)
}
},
mounted(){
this.$nextTick(() => {
this.initEcharts();
})
this.add()
},
updated(){
this.$nextTick(() => {
this.initEcharts();
this.fix()
})
this.add();
this.addmix();
this.total=this.$refs.my.length*50
},
}
</script>
<!-- Add "scoped" attribute to limit CSS to this component only -->
<style scoped>
</style>
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