百度地图删除removeOverlay指定覆盖物
第一步,给每个需要做处理的覆盖物加个标识,可自定义其他变量名称与值

第二步,查看地图所有覆盖物,查找标识,进行处理

实例代码:
// 画线
var sy = new BMap.Symbol(BMap_Symbol_SHAPE_BACKWARD_OPEN_ARROW, {
scale: 0.6, //图标缩放大小
strokeColor: "#fff", //设置矢量图标的线填充颜色
strokeWeight: "2" //设置线宽
});
var icons = new BMap.IconSequence(sy, "10", "30");
// 创建polyline对象
var pois = [
new BMap.Point(116.72537988063353, 23.3984551930871),
new BMap.Point(116.72658361001649, 23.397796004502233),
new BMap.Point(116.7268710677796, 23.39822302641697)
];
var polyline = new BMap.Polyline(pois, {
enableEditing: false, //是否启用线编辑,默认为false
enableClicking: true, //是否响应点击事件,默认为true
icons: [icons],
strokeWeight: "8", //折线的宽度,以像素为单位
strokeOpacity: 0.8, //折线的透明度,取值范围0 - 1
strokeColor: "#18a45b" //折线颜色
});
// 用来清除指定元素
polyline.name = 'line'
this.map.addOverlay(polyline); //增加折线// 清除指定线
var allOverlay = this.map.getOverlays();
allOverlay.map(item => {
if(item.name === 'line') {
this.map.removeOverlay(item)
}
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