option = {
tooltip: {
trigger: 'item',
formatter: '{b}'
},
series: [{
name: '中国',
type: 'map',
mapType: 'china',
roam: true,
selectedMode: 'multiple',
label: {
normal: {
show: true
},
emphasis: {
show: true
}
},
data: [{
name: '重庆',
selected: true
}]
}]
};