Javascript 未捕获引用错误:未定义getLocation
我正在一个网站上工作,现在遇到了一个错误。我想在加载页面时获取当前的纬度和经度。但加载页面时,包含该代码的函数未运行,并且显示错误“UncaughtReferenceError:getLocation未定义” 这是我的HTML部分Javascript 未捕获引用错误:未定义getLocation,javascript,google-maps-api-3,Javascript,Google Maps Api 3,我正在一个网站上工作,现在遇到了一个错误。我想在加载页面时获取当前的纬度和经度。但加载页面时,包含该代码的函数未运行,并且显示错误“UncaughtReferenceError:getLocation未定义” 这是我的HTML部分 <!DOCTYPE html> <html> <head> <meta name="viewport" content="initial-scale=1.0, user-scalable=no"> <meta c
<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="initial-scale=1.0, user-scalable=no">
<meta charset="utf-8">
<script async defer
src="https://maps.googleapis.com/maps/api/js?key=(mykey)&callback=initialize">
</script>
<style>
#map {
height: 100%;
width: 100%;
</style>
</head>
<body>
<div id="map"><img src="adminpanel/images/loader.gif" width="3%" height="5%"/> <b>Loading Map</b></div>
</body>
</html>
#地图{
身高:100%;
宽度:100%;
装载图
这是java脚本
<script type="text/javascript">
getLocation();
var x = document.getElementById("demo");
function getLocation() {
if (navigator.geolocation) {
navigator.geolocation.getCurrentPosition(showPosition);
} else {
x.innerHTML = "Geolocation is not supported by this browser.";
}
}
function showPosition(position) {
window.location.href="search-product.php?Lat=" + position.coords.latitude + "&Lng=" + position.coords.longitude;
}
var map;
var Markers = {};
var infowindow;
var locations = [
<?php for($i=0;$i<sizeof($locations);$i++) { $j=$i +1; ?>
[
'hi ',
'<a href="map_location_check.php?shop_id=<?php echo $locations[$i]['shop_id']; ?>" title="Click Here"><?php echo $locations[$i]['shop_name'].'<br>'.$locations[$i]['shop_address']; ?></a>',
<?php echo $locations[$i]['map_latitude']; ?>,
<?php echo $locations[$i]['map_longitude']; ?>,
0
] <?php if($j!=sizeof($locations)) echo ","; } ?>
];
var origin = new google.maps.LatLng(locations[0][2],locations[0][3]);
function initialize () {
var mapOptions = {
zoom:12,
center:origin
};
map = new google.maps.Map(document.getElementById('map'),mapOptions);
infowindow = new google.maps.InfoWindow();
for(i=0;i<locations.length;i++) {
var position = new google.maps.LatLng(locations[i][2], locations[i][3]);
var marker = new google.maps.Marker({
position:position,
map:map,
});
google.maps.event.addListener(marker, 'click', (function(marker, i){
return function() {
infowindow.setContent(locations[i][1]);
infowindow.setOptions({maxWidth: 200});
infowindow.open(map, marker);
}
}) (marker, i));
Markers[locations[i][4]] = marker;
}
locate(0);
}
function locate(marker_id){
var myMarker = Markers[marker_id];
var markerPosition = myMarker.getPosition();
map.setCenter(markerPosition);
google.maps.event.trigger(myMarker, 'click');
}
</script>
getLocation();
var x=document.getElementById(“演示”);
函数getLocation(){
if(导航器.地理位置){
navigator.geolocation.getCurrentPosition(showPosition);
}否则{
x、 innerHTML=“此浏览器不支持地理位置。”;
}
}
功能显示位置(位置){
window.location.href=“search product.php?Lat=“+position.coords.lation+”&Lng=“+position.coords.longitude;
}
var映射;
var标记={};
var信息窗口;
变量位置=[
[
“嗨”,
'',
,
,
0
]
];
var origin=new google.maps.LatLng(位置[0][2],位置[0][3]);
函数初始化(){
变量映射选项={
缩放:12,
中心:原点
};
map=new google.maps.map(document.getElementById('map'),mapOptions);
infowindow=new google.maps.infowindow();
对于(i=0;i在定义它或将它分配给要提升的变量后调用getLocation
,var getLocation=function(){…}
这可以正常工作。这意味着您在其他地方对函数进行了另一次调用,并且文件没有加载,在这种情况下,您需要等待文件加载
window.onload = function(){getLocation()}
jQuery(window).on('load', getLocation);
看
另外,在这里的window.location.href上
function showPosition(position) {
window.location.href="search-product.php?Lat=" + position.coords.latitude + "&Lng=" + position.coords.longitude;
}
你可能会想要
function showPosition(position) {
return window.location.href+"search-product.php?Lat=" + position.coords.latitude + "&Lng=" + position.coords.longitude;
}
编辑2:更正您需要在加载时创建实例
window.onload = function(){var origin = new google.maps.LatLng(locations[0][2],locations[0][3]);};
谢谢..但现在它显示另一个错误为“未捕获引用错误:google未定义”