series: [{
name: '东京',
marker: {
symbol: 'url(https://www.highcharts.com/demo/gfx/sun.png)' //链接外部图片
},
data: [7.0, 6.9, 9.5, 14.5, 18.2, 21.5, 25.2, {
y: 26.5,
marker: {
symbol: 'url(https://www.highcharts.com/demo/gfx/sun.png)' //链接外部图片
}
}, 23.3, 18.3, 13.9, 9.6]
}, {
name: '伦敦',
marker: {
symbol: 'diamond'
},
data: [{
y: 3.9,
marker: {
symbol: 'url(https://www.highcharts.com/demo/gfx/snow.png)'
}
}, 4.2, 5.7, 8.5, 11.9, 15.2, 17.0, 16.6, 14.2, 10.3, 6.6, 4.8]
}]