我正在尝试处理 google.maps.infoWindow 中按钮的单击事件。我试图通过 infoWindow 内容将函数名称传递给 onClick 但没有用。所以,我搬到了getElementById
但也没有成功。返回的getElementById("polyButton")
是 null (无法读取 null 的属性 'addEventListener' )。
编码:
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,我尝试这样使用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>"
);
...
有趣的部分是在使用时onClick='this.fpolylineHandler()'
出现一个错误,说这不是一个函数。在上面的例子中,什么都不做。