处理 google.maps.infoWindow 内的按钮事件 - ReactJS
Handle button events inside of google.maps.infoWindow - ReactJS
我正在尝试处理 google.maps.infoWindow 中按钮的点击事件。我试图通过 infoWindow 内容将函数名称传递给 onClick 但没有成功。所以,我搬到 getElementById
但也没有 success.The return of getElementById("polyButton")
is null (Cannot read 属性 'addEventListener' of null ).
代码:
fpolylineHandler(event) {
console.log("handler", event);
}
infoPolyline(Polyline, map, maps, event) {
var infowindow = new maps.InfoWindow({
content: " ",
});
infowindow.setContent(
"<div style='color: black'>" +
"<p>Event Name: " +
"</p>" +
"<p>Event Type: " +
"</p>" +
"<p>Cause: " +
"</p>" +
"<p>Date: " +
"</p>" +
"<p>Time: " +
"</p>" +
"<button id='polyButton'>Click me</button>" +
"</div>"
);
var btn = document.getElementById("polyButton");
btn.addEventListener("click", this.fpolylineHandler.bind(this));
infowindow.setPosition(event.latLng);
infowindow.open(map, Polyline);
}
作为参考,我试过这样使用 onClick
:
...
infowindow.setContent(
"<div style='color: black'>" +
"<p>Event Name: " +
"</p>" +
"<p>Event Type: " +
"</p>" +
"<p>Cause: " +
"</p>" +
"<p>Date: " +
"</p>" +
"<p>Time: " +
"</p>" +
"<button id='polyButton'onClick='this.fpolylineHandler'>Click me</button>" +
"</div>"
);
...
有趣的是当使用 onClick='this.fpolylineHandler()'
时出现了一个错误,说这不是一个函数。在上面的例子中,什么都不做。
即使在 dom 上安装后读取,该元素在地图上尚不存在。所以,为了解决这个问题,我们需要添加一个 dom 监听器:
maps.event.addListener(infowindow, "domready", function () {
document.getElementById("polyButton").onclick=fpolylineHandler
});
我正在尝试处理 google.maps.infoWindow 中按钮的点击事件。我试图通过 infoWindow 内容将函数名称传递给 onClick 但没有成功。所以,我搬到 getElementById
但也没有 success.The return of getElementById("polyButton")
is null (Cannot read 属性 'addEventListener' of null ).
代码:
fpolylineHandler(event) {
console.log("handler", event);
}
infoPolyline(Polyline, map, maps, event) {
var infowindow = new maps.InfoWindow({
content: " ",
});
infowindow.setContent(
"<div style='color: black'>" +
"<p>Event Name: " +
"</p>" +
"<p>Event Type: " +
"</p>" +
"<p>Cause: " +
"</p>" +
"<p>Date: " +
"</p>" +
"<p>Time: " +
"</p>" +
"<button id='polyButton'>Click me</button>" +
"</div>"
);
var btn = document.getElementById("polyButton");
btn.addEventListener("click", this.fpolylineHandler.bind(this));
infowindow.setPosition(event.latLng);
infowindow.open(map, Polyline);
}
作为参考,我试过这样使用 onClick
:
...
infowindow.setContent(
"<div style='color: black'>" +
"<p>Event Name: " +
"</p>" +
"<p>Event Type: " +
"</p>" +
"<p>Cause: " +
"</p>" +
"<p>Date: " +
"</p>" +
"<p>Time: " +
"</p>" +
"<button id='polyButton'onClick='this.fpolylineHandler'>Click me</button>" +
"</div>"
);
...
有趣的是当使用 onClick='this.fpolylineHandler()'
时出现了一个错误,说这不是一个函数。在上面的例子中,什么都不做。
即使在 dom 上安装后读取,该元素在地图上尚不存在。所以,为了解决这个问题,我们需要添加一个 dom 监听器:
maps.event.addListener(infowindow, "domready", function () {
document.getElementById("polyButton").onclick=fpolylineHandler
});