我一直致力于为我的一个网页实现 InfoBox 代码,并且通过大量的辅导我已经能够做到这一点。就目前而言,我可以在加载表单时让框显示在每个标记上,但我真的很希望它有它,以便在加载表单时不显示任何框,然后,当用户单击“标记 A',信息框出现并且 map 平移以使标记点击 map 的中心,就像信息窗口一样。
然后,如果用户单击“标记 B”,原始信息框将移动到新单击的标记,再次平移 map 并将 map 居中到该标记。
我查看了 Google 站点上的所有文档,但找不到如何执行此操作。我只是想知道是否有人可以向我展示热度来做这件事。请在下面找到我的代码。
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" lang="en">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>All Locations</title>
<link rel="stylesheet" href="css/alllocationsstyle.css" type="text/css" media="all" />
<script type="text/javascript" src="http://maps.google.com/maps/api/js?sensor=false&language=en"></script>
<script type="text/javascript" src="js/infobox.js"></script>
<script type="text/javascript">
var customIcons = {
0: {
icon: 'http://labs.google.com/ridefinder/images/mm_20_red.png',
shadow: 'http://labs.google.com/ridefinder/images/mm_20_shadow.png'
},
1: {
icon: 'http://labs.google.com/ridefinder/images/mm_20_green.png',
shadow: 'http://labs.google.com/ridefinder/images/mm_20_shadow.png'
}
};
function load() {
var map = new google.maps.Map(document.getElementById("map"), {
center: new google.maps.LatLng(54.312195845815246,-4.45948481875007),
zoom:6,
mapTypeId: 'roadmap'
});
// Change this depending on the name of your PHP file
downloadUrl("phpfile.php", function(data) {
var xml = data.responseXML;
var markers = xml.documentElement.getElementsByTagName("marker");
var bounds = new google.maps.LatLngBounds();
for (var i = 0; i < markers.length; i++) {
var locationname = markers[i].getAttribute("locationname");
var address = markers[i].getAttribute("address");
var totalfinds = markers[i].getAttribute("totalfinds");
var point = new google.maps.LatLng(
parseFloat(markers[i].getAttribute("osgb36lat")),
parseFloat(markers[i].getAttribute("osgb36lon")));
var html = locationname + "<p>" + 'No. of finds: ' + "<b>" + totalfinds + "</b>" + "</p>";
var icon = {};
if (totalfinds == 0) {
icon = customIcons[0];
} else if (totalfinds >= 1) {
icon = customIcons[1];
}
var marker = new google.maps.Marker({
map: map,
position: point,
title: address,
icon: icon.icon,
shadow: icon.shadow
});
var boxText = document.createElement("div");
boxText.style.cssText = "border: 1px solid black; margin-top: 8px; background: yellow; padding: 5px;";
boxText.innerHTML = locationname + "<p>" + 'No. of finds: ' + "<b>" + totalfinds + "</b>" + "</p>";
var myOptions = {
content: boxText
,disableAutoPan: false
,maxWidth: 0
,pixelOffset: new google.maps.Size(-140, 0)
,zIndex: null
,boxStyle: {
background: "url('tipbox.gif') no-repeat"
,opacity: 0.75
,width: "280px"
}
,closeBoxMargin: "10px 2px 2px 2px"
,closeBoxURL: "http://www.google.com/intl/en_us/mapfiles/close.gif"
,infoBoxClearance: new google.maps.Size(1, 1)
,isHidden: false
,pane: "floatPane"
,enableEventPropagation: false
};
开始编辑
bounds.extend(point);
map.fitBounds(bounds);
var infoBox = new InfoBox(myOptions);
google.maps.event.addListener(marker, 'click', function() {
infoBox.open(map, this);
map.setCenter(this.position;
});
}
});
}
编辑结束
function downloadUrl(url, callback) {
var request = window.ActiveXObject ?
new ActiveXObject('Microsoft.XMLHTTP') :
new XMLHttpRequest;
request.onreadystatechange = function() {
if (request.readyState == 4) {
request.onreadystatechange = doNothing;
callback(request, request.status);
}
};
request.open('GET', url, true);
request.send(null);
}
function doNothing() {}
</script>
</head>
<body onLoad="load()">
<div id="map"></div>
</body>
</html>
最佳答案
我从未使用过 infoBox,但我认为它与标准信息窗口非常相似。您需要使用 Events将点击操作添加到将打开信息框并使 map 居中的标记。
类似的东西:
//register the single left click event.
google.maps.event.addListener(marker, "click", function (event) {
//you may have to create a another box here or just change the content
//Google's standard info window only creates one instance and then you change
//the content during this event i.e. infoWindow.setContent("some html");
infoBox.open(map, this);
map.setCenter(this.position);
});
更新的答案:
好的,看起来您在循环的每次迭代中都覆盖了 infoBox,因此唯一要显示的将是最后一个创建的。您可以在循环外构建一个信息框,但不要设置内容属性,然后在监听器内部设置内容。
您需要将内容存储在其他地方以防止它也被覆盖。 尝试在标记中设置内容并像这样引用它
var boxText = document.createElement("div");
boxText.style.cssText = "border: 1px solid black; margin-top: 8px; background: yellow; padding: 5px;";
boxText.innerHTML = locationname + "<p>" + 'No. of finds: ' + "<b>" + totalfinds + "</b>" + "</p>";
var marker = new google.maps.Marker({
map: map,
position: point,
title: address,
icon: icon.icon,
shadow: icon.shadow,
html: boxText
});
google.maps.event.addListener(marker, "click", function (event) {
infoBox.setContent(this.html);
infoBox.open(map, this);
map.setCenter(this.position);
});
关于javascript - 具有信息窗口行为的信息框,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/7338349/