npm install echarts --save
import Vue from 'vue'
import echarts from 'echarts'
Vue.prototype.$echarts = echarts;
? ? ? ? ?全局挂载echarts 方便调用,也可以在某个组件里进行引用,这里我就不演示了
? ? ? ? 这里的展示的是渐进折线图,数据是固定的,你们可以自己从后端获取数据后进行填充。
<template>
<div ref="mains" style="width: 830px;height: 300px">
</div>
</template>
<script>
let data= [["2000-06-05", 116], ["2000-06-06", 129],
["2000-06-07", 135], ["2000-06-08", 86], ["2000-06-09", 73],
["2000-06-10", 85], ["2000-06-11", 73], ["2000-06-12", 68],
["2000-06-13", 92], ["2000-06-14", 130], ["2000-06-15", 245],
["2000-06-16", 139], ["2000-06-17", 115], ["2000-06-18", 111],
["2000-06-19", 309], ["2000-06-20", 206], ["2000-06-21", 137],
["2000-06-22", 128], ["2000-06-23", 85], ["2000-06-24", 94],
["2000-06-25", 71]]
const dateList = data.map(function (item) {
return item[0];
});
const valueList = data.map(function (item) {
return item[1];
});
export default {
name: "ChatHistoryAnalysis",
data() {
return {
chartInstance: null,
}
}, mounted() {
this.initEcharts()
},
methods: {
dateList(data) {
data.map(function (item) {
return item[0];
})
},
valueList(data) {
data.map(function (item) {
return item[1];
});
},
initEcharts() {
this.chartInstance = this.$echarts.init(this.$refs.mains);
const option = {
// Make gradient line here
visualMap: [
{
show: false,
type: 'continuous',
seriesIndex: 0,
min: 0,
max: 400
},
{
show: false,
type: 'continuous',
seriesIndex: 1,
dimension: 0,
min: 0,
max: dateList.length-1
}
],
title: [
{
left: 'center',
text: '近期活跃视图'
},
],
tooltip: {
trigger: 'axis'
},
xAxis: [
{
data: dateList,
gridIndex: 0
}
],
yAxis: [
{
gridIndex: 0
}
],
grid: [
{
top: '10%'
}
],
series: [
{
type: 'line',
showSymbol: false,
data: valueList
},
]
};
this.chartInstance.setOption(option)
}
}
}
</script>
<style scoped>
</style>
? ? ? ? 注意 :一定要有宽度和高度,否则不会展示出来