本章节介绍百度echarts 嵌套环形图实例，具体操作步骤如下：
嵌套环形图实例
1，新建静态页面demo.html,并引入echarts的js库，在这里我们引入的是网络地址
<script type="text/javascript" src="http://echarts.baidu.com/gallery/vendors/echarts/echarts-all-3.js"></script>
2，环形图容器html代码，只需一行html代码
div id="container" style="height: 500px"></div>
环形容器高度为500px,宽度默认，并且div的id号为container，在接下来初始化环形图的时候会用到。
3，javascript实现代码
<script type="text/javascript">
var dom = document.getElementById("container");
var myChart = echarts.init(dom);
var app = {};
var option = null;
app.title = '嵌套环形图';
option = {
tooltip: {
trigger: 'item',
formatter: "{a} <br/>{b}: {c} ({d}%)"
},
legend: {
orient: 'vertical',
x: 'left',
data:['直达','营销广告','搜索引擎','邮件营销','联盟广告','视频广告','百度','谷歌','必应','其他']
},
series: [
{
name:'访问来源',
type:'pie',
selectedMode: 'single',
radius: [0, '30%'],
label: {
normal: {
position: 'inner'
}
},
labelLine: {
normal: {
show: false
}
},
data:[
{value:335, name:'直达', selected:true},
{value:679, name:'营销广告'},
{value:1548, name:'搜索引擎'}
]
},
{
name:'访问来源',
type:'pie',
radius: ['40%', '55%'],
data:[
{value:335, name:'直达'},
{value:310, name:'邮件营销'},
{value:234, name:'联盟广告'},
{value:135, name:'视频广告'},
{value:1048, name:'百度'},
{value:251, name:'谷歌'},
{value:147, name:'必应'},
{value:102, name:'其他'}
]
}
]
};
if (option && typeof option === "object") {
myChart.setOption(option, true);
}
</script>4，用浏览器打开demo.html，效果如下
5，demo.html完整代码
<!DOCTYPE html>
<head>
<meta charset="utf-8">
</head>
<body >
<div id="container" style="height: 500px"></div>
<!-- V型知识库 www.vxzsk.com -->
<script type="text/javascript" src="http://echarts.baidu.com/gallery/vendors/echarts/echarts-all-3.js"></script>
<script type="text/javascript">
var dom = document.getElementById("container");
var myChart = echarts.init(dom);
var app = {};
var option = null;
app.title = '嵌套环形图';
option = {
tooltip: {
trigger: 'item',
formatter: "{a} <br/>{b}: {c} ({d}%)"
},
legend: {
orient: 'vertical',
x: 'left',
data:['直达','营销广告','搜索引擎','邮件营销','联盟广告','视频广告','百度','谷歌','必应','其他']
},
series: [
{
name:'访问来源',
type:'pie',
selectedMode: 'single',
radius: [0, '30%'],
label: {
normal: {
position: 'inner'
}
},
labelLine: {
normal: {
show: false
}
},
data:[
{value:335, name:'直达', selected:true},
{value:679, name:'营销广告'},
{value:1548, name:'搜索引擎'}
]
},
{
name:'访问来源',
type:'pie',
radius: ['40%', '55%'],
data:[
{value:335, name:'直达'},
{value:310, name:'邮件营销'},
{value:234, name:'联盟广告'},
{value:135, name:'视频广告'},
{value:1048, name:'百度'},
{value:251, name:'谷歌'},
{value:147, name:'必应'},
{value:102, name:'其他'}
]
}
]
};
if (option && typeof option === "object") {
myChart.setOption(option, true);
}
</script>
</body>
</html>
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