点击时如何删除谷歌地理编码 [英] how to remove google geocode on click

问题描述

我使用Google地图 - 路线和地理编码。加载页面时，地理编码会放置一个标记。当用户点击提交按钮时，是否可以删除该标记？

I am using google maps- directions and geocoding. The geocode places a marker when the page loads. Is it possible to have this marker removed when a user clicks the submit button?

以下是代码：

Here is the code:

var address = document.getElementById("address").textContent.replace(/\n/g, " ");
geocoder.geocode( { 'address': address}, 
function(results, status) 
{
  if (status == google.maps.GeocoderStatus.OK) {
    map.setCenter(results[0].geometry.location);
    var marker = new google.maps.Marker({
        map: map, 
        position: results[0].geometry.location
    });
  }
  else
   {
    alert("Geocode was not successful for the following reason: " + status);
  }
});




var from = document.getElementById("from").value;
var to = document.getElementById("to").value;
var request = {
    origin: from, 
    destination: to,
    travelMode: google.maps.DirectionsTravelMode.DRIVING
};
document.getElementById("map").style.width = "70%";
directionsService.route(request, function(response, status) {
  if (status == google.maps.DirectionsStatus.OK) {
    directionsDisplay.setDirections(response);
  }
});

推荐答案

假设您使用v3 api，请尝试：

Assuming you're using the v3 api, try:

marker.setMap(null);

这将从地图中移除它。

http://code.google.com/apis/maps /documentation/javascript/reference.html#Marker

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