点击圈子 - 传单时启动一个功能 [英] start a function when click on circle - leaflet

问题描述

我在 JS 中制作了一些圈子，如下所示：

  L .circle（
 [46.765735535841024,23.58344078063965]，5，{
 color：blue
}）。addTo（map）.bindPopup（Description：This is my description）; 
  

我想用一个替换 bindPopup 功能。当我单击圆圈而不是我的描述显示时，我想运行一个函数，例如我创建了这个函数：

  function circleClick（）{
 //我的实现; 
} 
  

有人会告诉我怎么能这样做？

解决方案

只需在您的每个圈子中将 circleClick 作为听众分配：

  L.circle（
 [46.765735535841024,23.58344078063965]，5 ，{
 color：blue
} 
）.addTo（map）.on（click，circleClick）; 
 //更多L.circle的... 
 
函数circleClick（e）{
 var clickedCircle = e.target; 
 
 //做一些事情，比如：
 clickedCircle.bindPopup（some content）。openPopup（）; 
} 
  

或者，您可以在功能组，并将事件监听器仅附加到该组：

< pre class =lang-js prettyprint-override> var group = L.featureGroup（）。addTo（map）;

L.circle（
[46.765735535841024,23.58344078063965]，5，{
color：blue
}
）.addTo（group）;
//更多L.circle's ...

group.on（click，function（e）{
var clickedCircle = e.layer; // e.target是团体本身。

//做一些事情，比如：
clickedCircle.bindPopup（some content）。openPopup（）;
}）;


I make some circles in JS as follow:

L.circle(
  [46.765735535841024, 23.58344078063965], 5, {
    color: "blue"
  }).addTo(map).bindPopup("Description: This is my description");

I want to replace that bindPopup with a function. When I click the circle, instead of my description display, I want to run a function, for example I made this function:

function circleClick() {
     // my implementations;
}

Would someone tell me how could I do this possible?

解决方案

Simply assign your circleClick function as listener on each of your circles:

L.circle(
  [46.765735535841024, 23.58344078063965], 5, {
    color: "blue"
  }
).addTo(map).on("click", circleClick);
// more L.circle's...

function circleClick(e) {
    var clickedCircle = e.target;

  // do something, like:
  clickedCircle.bindPopup("some content").openPopup();
}

Alternatively, you can gather all your circles within a Feature Group, and attach the event listener to that group only:

var group = L.featureGroup().addTo(map);

L.circle(
  [46.765735535841024, 23.58344078063965], 5, {
    color: "blue"
  }
).addTo(group);
// more L.circle's...

group.on("click", function (e) {
    var clickedCircle = e.layer; // e.target is the group itself.

  // do something, like:
  clickedCircle.bindPopup("some content").openPopup();
});

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