记录---百度地图marker中label现隐

var marker = new BMap.Marker(point, {
   icon: new BMap.Icon('', new BMap.Size(16, 16), {
     anchor: new BMap.Size(9, 9)        
   }) 
})

var content = '<span>'+xxxxx+'</span>

var label = new BMap.Label(content, {
   offset: new BMap.Size(0, 0) 
})
label.setStyle({
   border: '1px solid rgba(204, 204, 204, 0)',
   color: 'rgb(0, 255, 255)',
   borderRadius: '10px',
   padding: '5px',
   background: 'rgba(21, 21, 21, 0.5)',
   display: 'none'
})

marker.setLabel(label)
marker.addEventListener('mouseover', function () {
   marker.getLabel().setStyle({display: 'block'})
})
marker.addEventListener('mouseout', function () {
   marker.getLabel().setStyle({display: 'none'})
})

map.addOverlay(marker)