Echarts自适应浏览器大小

var myChart = echarts.init(document.getElementById('sitesChar'));
var option = {
title : {
text: 'Nodejs站点服务器分布',
subtext: '平台组',
x:'center'
},
tooltip : {
trigger: 'item',
formatter: "{a} <br/>{b} : {c} ({d}%)"
},
legend: {
orient : 'vertical',
x : 'left',
data: _ips
},
toolbox: {
show : true,
feature : {
mark : {show: false},
dataView : {show: true, readOnly: false},
magicType : {
show: false,
type: ['pie', 'funnel'],
option: {
funnel: {
x: '25%',
width: '50%',
funnelAlign: 'left'
//max: 1548
}
}
},
restore : {show: true},
saveAsImage : {show: true}
}
},
calculable : true,
series : [
{
name:'服务器IP:站点数',
type:'pie',
radius : '55%',
center: ['50%', '60%'],
data: _data
}
]
};

// 为echarts对象加载数据
myChart.setOption(option);
// 加上这一句即可
window.onresize = myChart.resize;