<!DOCTYPE html>
<html style="height: 100%">
<head>
<meta charset="utf-8">
</head>
<body style="height: 100%; margin: 0">
<button id="button" onclick="clear()">清空</button>
<div id="container" style="height: 100%"></div>
<script type="text/javascript" src="http://echarts.baidu.com/gallery/vendors/echarts/echarts.min.js"></script>
<script type="text/javascript" src="http://echarts.baidu.com/gallery/vendors/echarts-gl/echarts-gl.min.js"></script>
<script type="text/javascript" src="http://echarts.baidu.com/gallery/vendors/echarts-stat/ecStat.min.js"></script>
<script type="text/javascript" src="http://echarts.baidu.com/gallery/vendors/echarts/extension/dataTool.min.js"></script>
<script type="text/javascript" src="http://echarts.baidu.com/gallery/vendors/echarts/map/js/china.js"></script>
<script type="text/javascript" src="http://echarts.baidu.com/gallery/vendors/echarts/map/js/world.js"></script>
<script type="text/javascript" src="https://api.map.baidu.com/api?v=2.0&ak=xfhhaTThl11qYVrqLZii6w8qE5ggnhrY&__ec_v__=20190126"></script>
<script type="text/javascript" src="http://echarts.baidu.com/gallery/vendors/echarts/extension/bmap.min.js"></script>
<script type="text/javascript" src="http://echarts.baidu.com/gallery/vendors/simplex.js"></script>
<script type="text/javascript">
var dom = document.getElementById("container");
var myChart = echarts.init(dom);
var app = {};
option = null;
option = {
title: {
text: '折线图堆叠'
},
tooltip: {
trigger: 'axis'
},
legend: {
selected: {
'邮件营销': true,
'联盟广告': true,
'视频广告': true,
'直接访问': true,
'搜索引擎': true
},
data:['邮件营销','联盟广告','视频广告','直接访问','搜索引擎']
},
grid: {
left: '3%',
right: '4%',
bottom: '3%',
containLabel: true
},
toolbox: {
feature: {
saveAsImage: {}
}
},
xAxis: {
type: 'category',
boundaryGap: false,
data: ['周一','周二','周三','周四','周五','周六','周日']
},
yAxis: {
type: 'value'
},
series: [
{
name:'邮件营销',
type:'line',
stack: '总量',
data:[120, 132, 101, 134, 90, 230, 210]
},
{
name:'联盟广告',
type:'line',
stack: '总量',
data:[220, 182, 191, 234, 290, 330, 310]
},
{
name:'视频广告',
type:'line',
stack: '总量',
data:[150, 232, 201, 154, 190, 330, 410]
},
{
name:'直接访问',
type:'line',
stack: '总量',
data:[320, 332, 301, 334, 390, 330, 320]
},
{
name:'搜索引擎',
type:'line',
stack: '总量',
data:[820, 932, 901, 934, 1290, 1330, 1320]
}
]
};
if (option && typeof option === "object") {
myChart.setOption(option, true);
}
var btn = document.getElementById("button");
var isClear = false;
// 清空数据
btn.onclick = function(){
option.series.forEach(function(item, index){
item.data = [];
});
for(var key in option.legend.selected) {
option.legend.selected[key] = false;
}
isClear = true;
myChart.setOption(option, true);
};
myChart.on('legendselectchanged', function (params) {
if(isClear) {
isClear = false;
console.log(params);
var arr = [[120, 132, 101, 134, 90, 230, 210],[220, 182, 191, 234, 290, 330, 310] ,[150, 232, 201, 154, 190, 330, 410],[320, 332, 301, 334, 390, 330, 320],[820, 932, 901, 934, 1290, 1330, 1320]];
option.series.forEach(function(item, index){
item.data = arr[index];
});
for(var key in option.legend.selected) {
option.legend.selected[key] = params.name === key ? true : false;
};
myChart.setOption(option, true);
}
});
</script>
</body>
</html>
