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import * as echarts from 'echarts';var chartDom = document.getElementById('main');
var myChart = echarts.init(chartDom);
var option = {xAxis: {type: 'category',data: ['Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun']},yAxis: {type: 'value'},series: [{data: [150, 230, 224, 218, 135, 147, 260],type: 'line'}]
};myChart.setOption(option);

使其平滑一点：

import * as echarts from 'echarts';var chartDom = document.getElementById('main');
var myChart = echarts.init(chartDom);
var option = {xAxis: {type: 'category',data: ['Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun']},yAxis: {type: 'value'},series: [{data: [820, 932, 901, 934, 1290, 1330, 1320],type: 'line',smooth: true}]
};
myChart.setOption(option);

拆线内部填充：面积图

import * as echarts from 'echarts';var chartDom = document.getElementById('main');
var myChart = echarts.init(chartDom);
var option = {xAxis: {type: 'category',boundaryGap: false,data: ['Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun']},yAxis: {type: 'value'},series: [{data: [820, 932, 901, 934, 1290, 1330, 1320],type: 'line',areaStyle: {}}]
};
myChart.setOption(option);

VUE echarts 教程二 折线堆叠图