如何检测Google地图PolyLine叠加层上的点击事件？ [英] How do I detect a click event on a google maps PolyLine overlay?

问题描述

在我看来，我应该能够执行以下操作来检测Google地图上一行上的点击事件：

  var line = new GPolyline（...）; 
 map.addOverlay（line）; 
 GEvent.addListener（line，click，function（latlng）{alert（clicked）;}）; 
  

api reference 表示这个版本在2.88版本中可用，该版本于2007年发布（!?），所以我假设这就是我使用，但我不知道如何确认。

我也尝试设置 {clickable：true} 选项（它应该是默认设置）。我已经在FireFox 3和Opera 9.6中进行了测试，所以不要怀疑它是浏览器特定的。我在页面上也使用了jQuery。

我有足够的代码来检测点击标记的效果，点击行会非常好，任何人都可以启发我？

解决方案

我刚做了一个快速测试，下面的代码在我的测试页上工作：

  var polyline = new GPolyline（[
 new GLatLng（37.4419，-122.1419），
 new GLatLng（37.4519，-122.1519）
]，＃ff0000，10）; 
 map.addOverlay（polyline）; 
 
 GEvent.addListener（折线，'click'，function（）{
 alert（'你点击折线'）; 
}）; 
  

告诉您的谷歌地图版本的方法是查看v =的参数google maps src url you have

 http://maps.google.com/maps?file=api&v=2&key=MY_API_KEY 

在这种情况下，我有v = 2，这意味着我正在使用最新的stable 2版本，它支持可点击多段线（截至今天2.101是最新版本）。 v = 2.x表示您正在使用边缘版本。并且任何v = 2.5，句点（。）之后的任何内容都是数字，表示特定版本

It seems to me that I should be able to do the following to detect a click event on a line on a google map:

var line = new GPolyline( ... );
map.addOverlay(line);
GEvent.addListener(line, "click", function(latlng){ alert("clicked"); });

The api reference says this is available in version 2.88, which was released in 2007(!?), so I'm assuming that's what I'm using, but I don't know how to confirm that.

I also tried setting the {clickable:true} option explicitly (it's supposed to be the default.) I've tested in FireFox 3 and Opera 9.6 so doubt it's browser specific. I'm also using jQuery on the page.

I have plenty of code detecting clicks on markers that works fine, clicking on lines would be really nice, can anyone enlighten me?

解决方案

I just did a quick test and the following code worked on my test page:

var polyline = new GPolyline([
  new GLatLng(37.4419, -122.1419),
  new GLatLng(37.4519, -122.1519)
], "#ff0000", 10);
map.addOverlay(polyline);

GEvent.addListener(polyline, 'click', function() {
    alert('you clicked polyline');
});

The way to tell what version of google maps you have is to look at the v= parameter of the google maps src url you have

http://maps.google.com/maps?file=api&v=2&key=MY_API_KEY

In this case I have "v=2", that means I am using the latest stable 2 version, which supports clickable polylines (as of today 2.101 is the most recent release). "v=2.x" means you are using an edge release. And any "v=2.5" where the anything after the period (.) is a number refers to a specific release

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