如何在将值与数字相乘时删除字符串。由于谷歌距离计算器的字母表,这个代码错误出现为NaN。如何将结果末尾的“km”或“miles”移除到带有数字的倍数,然后在标签上显示该结果
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
</head>
<body>
<form id="form1" runat="server">
<div>
<table border="0" cellpadding="0" cellspacing="3">
<tr>
<td colspan="2">
Source:
<input type="text" id="txtSource" value="heathrow terminal 5" style="width: 300px" />
Destination:
<input type="text" id="txtDestination" value="bath road, tw6" style="width: 300px" />
<br />
<input type="button" id="calufare" runat="server" value="Get Route" onclick="GetRoute()"/>
<hr />
</td>
</tr>
<tr>
<td colspan="2">
<asp:Label ID="dvDistance" runat="server" Text=""></asp:Label>
<asp:Label ID="dvDuration" runat="server" Text=""></asp:Label>
<asp:TextBox ID="rate" runat="server" Text="2.5"></asp:TextBox>
<asp:Label ID="Fareid" runat="server" Text="Price£ "></asp:Label>
<script>
</script>
</td>
</tr>
<tr>
<td>
<div id="dvMap" style="width: 1000px; height: 200px">
</div>
</td>
<td>
<div id="dvPanel" style="width: 500px; height: 200px">
</div>
</td>
</tr>
</table>
<script type="text/javascript" src="http://maps.googleapis.com/maps/api/js?sensor=false&libraries=places"></script>
<script type="text/javascript">
var source, destination;
var directionsDisplay;
var directionsService = new google.maps.DirectionsService();
google.maps.event.addDomListener(window, 'load', function () {
new google.maps.places.SearchBox(document.getElementById('txtSource'));
new google.maps.places.SearchBox(document.getElementById('txtDestination'));
directionsDisplay = new google.maps.DirectionsRenderer({ 'draggable': false });
});
function GetRoute() {
var heathrow = new google.maps.LatLng(51.4711620, -0.4523710);
var mapOptions = {
zoom: 7,
center: heathrow
};
map = new google.maps.Map(document.getElementById('dvMap'), mapOptions);
directionsDisplay.setMap(map);
//* FOR PRICE CALCULATION * //
//*********DIRECTIONS AND ROUTE**********************//
source = document.getElementById("txtSource").value;
destination = document.getElementById("txtDestination").value;
var request = {
origin: source,
destination: destination,
travelMode: google.maps.TravelMode.DRIVING
};
directionsService.route(request, function (response, status) {
if (status == google.maps.DirectionsStatus.OK) {
directionsDisplay.setDirections(response);
}
});
//*********DISTANCE AND DURATION**********************//
var service = new google.maps.DistanceMatrixService();
service.getDistanceMatrix({
origins: [source],
destinations: [destination],
travelMode: google.maps.TravelMode.DRIVING,
unitSystem: google.maps.UnitSystem.METRIC,
avoidHighways: false,
avoidTolls: false
}, function (response, status) {
if (status == google.maps.DistanceMatrixStatus.OK && response.rows[0].elements[0].status != "ZERO_RESULTS") {
var distance = response.rows[0].elements[0].distance.text;
var duration = response.rows[0].elements[0].duration.text;
var dvDistance = document.getElementById("dvDistance");
dvDistance.innerHTML = "";
dvDistance.innerHTML += "Distance: " + distance + "<br />";
dvDuration.innerHTML += "Duration:" + duration;
var distanceMeters = response.rows[0].elements[0].distance.value;
rate=document.getElementById('Fareid').innerHTML = rate * distanceMeters;
} else {
alert("Unable to find the distance via road.");
}
});
}
</script>
</div>
</form>
</body>
</html>
答案 0 :(得分:0)
dvDistance = parseInt(document.getElementById('dvDistance').innerHTML);
var rate = document.getElementById('rate').value;
document.getElementById('Fareid').innerHTML = rate * dvDistance;
答案 1 :(得分:0)
试试这个 var rate = document.getElementById('rate')。value;
var distanceMeters = response.rows[0].elements[0].distance.value;
rate=document.getElementById('Fareid').innerHTML = rate * distanceMeters;