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使用 Google Autocomplete API 根据位置名称获取纬度和经度

发布于 2024-09-14 15:19:04 字数 131 浏览 11 评论 0原文

我的页面中有一个文本框，它获取位置名称和带有文本 getLat&Long 的按钮。现在，单击按钮后，我必须在文本框中显示该位置的纬度 和经度 警报。有什么建议吗？

原文

I have a textbox in my page which gets a location name and button with text getLat&Long. Now on clicking my button I have to show an alert of latitude and longitude of the location in the textbox. Any suggestion?

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评论（7）

梦途 2024-09-21 15:19:04

您可以在Google 地理编码器服务中使用href="http://code.google.com/apis/maps/documentation/javascript/" rel="noreferrer">Google Maps API 将您的位置名称转换为纬度和经度。因此，您需要一些代码，例如：

var geocoder = new google.maps.Geocoder();
var address = document.getElementById("address").value;
geocoder.geocode( { 'address': address}, function(results, status) {
  if (status == google.maps.GeocoderStatus.OK)
  {
      // do something with the geocoded result
      //
      // results[0].geometry.location.latitude
      // results[0].geometry.location.longitude
  }
});

更新

您是否包含 v3 javascript API？

<script type="text/javascript"
     src="http://maps.google.com/maps/api/js?sensor=set_to_true_or_false">
</script>

You can use the Google Geocoder service in the Google Maps API to convert from your location name to a latitude and longitude. So you need some code like:

var geocoder = new google.maps.Geocoder();
var address = document.getElementById("address").value;
geocoder.geocode( { 'address': address}, function(results, status) {
  if (status == google.maps.GeocoderStatus.OK)
  {
      // do something with the geocoded result
      //
      // results[0].geometry.location.latitude
      // results[0].geometry.location.longitude
  }
});

Update

Are you including the v3 javascript API?

<script type="text/javascript"
     src="http://maps.google.com/maps/api/js?sensor=set_to_true_or_false">
</script>
回复 原文
寂寞清仓 2024-09-21 15:19:04

我希望这可以帮助将来的人。

您可以使用 Google Geocoding API，如前所述，我必须使用最近，我希望这会有所帮助：

<!DOCTYPE html>
<html>
    <head>
        <script src="https://maps.googleapis.com/maps/api/js?v=3.exp&sensor=false&libraries=places"></script>
        <script type="text/javascript">
        function initialize() {
        var address = (document.getElementById('my-address'));
        var autocomplete = new google.maps.places.Autocomplete(address);
        autocomplete.setTypes(['geocode']);
        google.maps.event.addListener(autocomplete, 'place_changed', function() {
            var place = autocomplete.getPlace();
            if (!place.geometry) {
                return;
            }

        var address = '';
        if (place.address_components) {
            address = [
                (place.address_components[0] && place.address_components[0].short_name || ''),
                (place.address_components[1] && place.address_components[1].short_name || ''),
                (place.address_components[2] && place.address_components[2].short_name || '')
                ].join(' ');
        }
      });
}
function codeAddress() {
    geocoder = new google.maps.Geocoder();
    var address = document.getElementById("my-address").value;
    geocoder.geocode( { 'address': address}, function(results, status) {
      if (status == google.maps.GeocoderStatus.OK) {

      alert("Latitude: "+results[0].geometry.location.lat());
      alert("Longitude: "+results[0].geometry.location.lng());
      } 

      else {
        alert("Geocode was not successful for the following reason: " + status);
      }
    });
  }
google.maps.event.addDomListener(window, 'load', initialize);

        </script>
    </head>
    <body>
        <input type="text" id="my-address">
        <button id="getCords" onClick="codeAddress();">getLat&Long</button>
    </body>
</html>

现在这还有一个自动完成功能，您可以在代码中看到它，它从输入中获取地址，并在键入时由 API 自动完成。

获得地址后，点击按钮即可根据需要通过警报获取结果。另请注意，这使用最新的 API 并加载“places”库（调用 API 时使用“libraries”参数）。

希望这会有所帮助，并阅读文档以获取更多信息，干杯。

编辑#1：小提琴

I hope this can help someone in the future.

You can use the Google Geocoding API, as said before, I had to do some work with this recently, I hope this helps:

<!DOCTYPE html>
<html>
    <head>
        <script src="https://maps.googleapis.com/maps/api/js?v=3.exp&sensor=false&libraries=places"></script>
        <script type="text/javascript">
        function initialize() {
        var address = (document.getElementById('my-address'));
        var autocomplete = new google.maps.places.Autocomplete(address);
        autocomplete.setTypes(['geocode']);
        google.maps.event.addListener(autocomplete, 'place_changed', function() {
            var place = autocomplete.getPlace();
            if (!place.geometry) {
                return;
            }

        var address = '';
        if (place.address_components) {
            address = [
                (place.address_components[0] && place.address_components[0].short_name || ''),
                (place.address_components[1] && place.address_components[1].short_name || ''),
                (place.address_components[2] && place.address_components[2].short_name || '')
                ].join(' ');
        }
      });
}
function codeAddress() {
    geocoder = new google.maps.Geocoder();
    var address = document.getElementById("my-address").value;
    geocoder.geocode( { 'address': address}, function(results, status) {
      if (status == google.maps.GeocoderStatus.OK) {

      alert("Latitude: "+results[0].geometry.location.lat());
      alert("Longitude: "+results[0].geometry.location.lng());
      } 

      else {
        alert("Geocode was not successful for the following reason: " + status);
      }
    });
  }
google.maps.event.addDomListener(window, 'load', initialize);

        </script>
    </head>
    <body>
        <input type="text" id="my-address">
        <button id="getCords" onClick="codeAddress();">getLat&Long</button>
    </body>
</html>

Now this has also an autocomlpete function which you can see in the code, it fetches the address from the input and gets auto completed by the API while typing.

Once you have your address hit the button and you get your results via alert as required. Please also note this uses the latest API and it loads the 'places' library (when calling the API uses the 'libraries' parameter).

Hope this helps, and read the documentation for more information, cheers.

Edit #1: Fiddle

回复 原文
热风软妹 2024-09-21 15:19:04

下面是我使用的代码。它工作得很好。

var geo = new google.maps.Geocoder;
geo.geocode({'address':address},function(results, status){
    if (status == google.maps.GeocoderStatus.OK) {              
        var myLatLng = results[0].geometry.location;

        // Add some code to work with myLatLng              

    } else {
        alert("Geocode was not successful for the following reason: " + status);
    }
});

希望这会有所帮助。

The below is the code that i used. It's working perfectly.

var geo = new google.maps.Geocoder;
geo.geocode({'address':address},function(results, status){
    if (status == google.maps.GeocoderStatus.OK) {              
        var myLatLng = results[0].geometry.location;

        // Add some code to work with myLatLng              

    } else {
        alert("Geocode was not successful for the following reason: " + status);
    }
});

Hope this will help.

回复 原文
无语# 2024-09-21 15:19:04

我希望这对于未来包含自动完成 Google API 功能的范围更加有用
纬度和经度

var latitude = place.geometry.location.lat();
var longitude = place.geometry.location.lng();

完整视图

<!DOCTYPE html>
<html>
    <head>
    <title>Place Autocomplete With Latitude & Longitude </title>
    <meta name="viewport" content="initial-scale=1.0, user-scalable=no">
    <meta charset="utf-8">
    <style>
#pac-input {
    background-color: #fff;
    padding: 0 11px 0 13px;
    width: 400px;
    font-family: Roboto;
    font-size: 15px;
    font-weight: 300;
    text-overflow: ellipsis;
}
#pac-input:focus {
    border-color: #4d90fe;
    margin-left: -1px;
    padding-left: 14px;  /* Regular padding-left + 1. */
    width: 401px;
}
}
</style>
    <script src="https://maps.googleapis.com/maps/api/js?v=3.exp&libraries=places"></script>
    <script>


  function initialize() {
        var address = (document.getElementById('pac-input'));
        var autocomplete = new google.maps.places.Autocomplete(address);
        autocomplete.setTypes(['geocode']);
        google.maps.event.addListener(autocomplete, 'place_changed', function() {
            var place = autocomplete.getPlace();
            if (!place.geometry) {
                return;
            }

        var address = '';
        if (place.address_components) {
            address = [
                (place.address_components[0] && place.address_components[0].short_name || ''),
                (place.address_components[1] && place.address_components[1].short_name || ''),
                (place.address_components[2] && place.address_components[2].short_name || '')
                ].join(' ');
        }
        /*********************************************************************/
        /* var address contain your autocomplete address *********************/
        /* place.geometry.location.lat() && place.geometry.location.lat() ****/
        /* will be used for current address latitude and longitude************/
        /*********************************************************************/
        document.getElementById('lat').innerHTML = place.geometry.location.lat();
        document.getElementById('long').innerHTML = place.geometry.location.lng();
        });
  }

   google.maps.event.addDomListener(window, 'load', initialize);

    </script>
    </head>
    <body>
<input id="pac-input" class="controls" type="text"
        placeholder="Enter a location">
<div id="lat"></div>
<div id="long"></div>
</body>
</html>

I hope this will be more useful for future scope contain auto complete Google API feature with
latitude and longitude

var latitude = place.geometry.location.lat();
var longitude = place.geometry.location.lng();

Complete View

<!DOCTYPE html>
<html>
    <head>
    <title>Place Autocomplete With Latitude & Longitude </title>
    <meta name="viewport" content="initial-scale=1.0, user-scalable=no">
    <meta charset="utf-8">
    <style>
#pac-input {
    background-color: #fff;
    padding: 0 11px 0 13px;
    width: 400px;
    font-family: Roboto;
    font-size: 15px;
    font-weight: 300;
    text-overflow: ellipsis;
}
#pac-input:focus {
    border-color: #4d90fe;
    margin-left: -1px;
    padding-left: 14px;  /* Regular padding-left + 1. */
    width: 401px;
}
}
</style>
    <script src="https://maps.googleapis.com/maps/api/js?v=3.exp&libraries=places"></script>
    <script>


  function initialize() {
        var address = (document.getElementById('pac-input'));
        var autocomplete = new google.maps.places.Autocomplete(address);
        autocomplete.setTypes(['geocode']);
        google.maps.event.addListener(autocomplete, 'place_changed', function() {
            var place = autocomplete.getPlace();
            if (!place.geometry) {
                return;
            }

        var address = '';
        if (place.address_components) {
            address = [
                (place.address_components[0] && place.address_components[0].short_name || ''),
                (place.address_components[1] && place.address_components[1].short_name || ''),
                (place.address_components[2] && place.address_components[2].short_name || '')
                ].join(' ');
        }
        /*********************************************************************/
        /* var address contain your autocomplete address *********************/
        /* place.geometry.location.lat() && place.geometry.location.lat() ****/
        /* will be used for current address latitude and longitude************/
        /*********************************************************************/
        document.getElementById('lat').innerHTML = place.geometry.location.lat();
        document.getElementById('long').innerHTML = place.geometry.location.lng();
        });
  }

   google.maps.event.addDomListener(window, 'load', initialize);

    </script>
    </head>
    <body>
<input id="pac-input" class="controls" type="text"
        placeholder="Enter a location">
<div id="lat"></div>
<div id="long"></div>
</body>
</html>
回复 原文
时光病人 2024-09-21 15:19:04

我建议使用以下代码，您可以使用此 获取某个位置的纬度和经度，虽然它可能不是那么准确，但它对我有用；

下面的代码片段

<!DOCTYPE html>
<html>
<head>
<title>Using Javascript's Geolocation API</title>

<script type="text/javascript" src="http://j.maxmind.com/app/geoip.js"></script>
<script src="//ajax.googleapis.com/ajax/libs/jquery/1.8.3/jquery.min.js"></script>
</head>
<body>
<div id="mapContainer"></div> 

<script type="text/javascript">

        var lat = geoip_latitude();
        var long = geoip_longitude();
        document.write("Latitude: "+lat+"</br>Longitude: "+long);

</script> 
</body>
</html>

I would suggest the following code, you can use this <script language="JavaScript" src="http://j.maxmind.com/app/geoip.js"></script> to get the latitude and longitude of a location, although it may not be so accurate however it worked for me;

code snippet below

<!DOCTYPE html>
<html>
<head>
<title>Using Javascript's Geolocation API</title>

<script type="text/javascript" src="http://j.maxmind.com/app/geoip.js"></script>
<script src="//ajax.googleapis.com/ajax/libs/jquery/1.8.3/jquery.min.js"></script>
</head>
<body>
<div id="mapContainer"></div> 

<script type="text/javascript">

        var lat = geoip_latitude();
        var long = geoip_longitude();
        document.write("Latitude: "+lat+"</br>Longitude: "+long);

</script> 
</body>
</html>
回复 原文
野の 2024-09-21 15:19:04

通过自动完成功能输入位置以及所有字段的其余部分：纬度和经度值会自动填充。
将 API KEY 替换为您的 Google API 密钥

<html>
<head>
<meta name="viewport" content="initial-scale=1.0, user-scalable=no">
<meta charset="utf-8">
<script src="https://maps.googleapis.com/maps/api/js?v=3.exp&sensor=false&libraries=places"></script>

<link type="text/css" rel="stylesheet" href="https://fonts.googleapis.com/css?family=Roboto:300,400,500">
</head>

<body>
<textarea placeholder="Enter Area name to populate Latitude and Longitude" name="address" onFocus="initializeAutocomplete()" id="locality" ></textarea><br>

<input type="text" name="city" id="city" placeholder="City" value="" ><br>
<input type="text" name="latitude" id="latitude" placeholder="Latitude" value="" ><br>
<input type="text" name="longitude" id="longitude" placeholder="Longitude" value="" ><br>
<input type="text" name="place_id" id="location_id" placeholder="Location Ids" value="" ><br>

<script type="text/javascript">
  function initializeAutocomplete(){
    var input = document.getElementById('locality');
    // var options = {
    //   types: ['(regions)'],
    //   componentRestrictions: {country: "IN"}
    // };
    var options = {}

    var autocomplete = new google.maps.places.Autocomplete(input, options);

    google.maps.event.addListener(autocomplete, 'place_changed', function() {
      var place = autocomplete.getPlace();
      var lat = place.geometry.location.lat();
      var lng = place.geometry.location.lng();
      var placeId = place.place_id;
      // to set city name, using the locality param
      var componentForm = {
        locality: 'short_name',
      };
      for (var i = 0; i < place.address_components.length; i++) {
        var addressType = place.address_components[i].types[0];
        if (componentForm[addressType]) {
          var val = place.address_components[i][componentForm[addressType]];
          document.getElementById("city").value = val;
        }
      }
      document.getElementById("latitude").value = lat;
      document.getElementById("longitude").value = lng;
      document.getElementById("location_id").value = placeId;
    });
  }
</script>
</body>
</html>

<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js"></script>
<script src="//maps.googleapis.com/maps/api/js?libraries=places&key=API KEY"></script>


<script src="https://fonts.googleapis.com/css?family=Roboto:300,400,500></script>

Enter the location by Autocomplete and rest of all the fields: latitude and Longititude values get automatically filled.
Replace API KEY with your Google API key

<html>
<head>
<meta name="viewport" content="initial-scale=1.0, user-scalable=no">
<meta charset="utf-8">
<script src="https://maps.googleapis.com/maps/api/js?v=3.exp&sensor=false&libraries=places"></script>

<link type="text/css" rel="stylesheet" href="https://fonts.googleapis.com/css?family=Roboto:300,400,500">
</head>

<body>
<textarea placeholder="Enter Area name to populate Latitude and Longitude" name="address" onFocus="initializeAutocomplete()" id="locality" ></textarea><br>

<input type="text" name="city" id="city" placeholder="City" value="" ><br>
<input type="text" name="latitude" id="latitude" placeholder="Latitude" value="" ><br>
<input type="text" name="longitude" id="longitude" placeholder="Longitude" value="" ><br>
<input type="text" name="place_id" id="location_id" placeholder="Location Ids" value="" ><br>

<script type="text/javascript">
  function initializeAutocomplete(){
    var input = document.getElementById('locality');
    // var options = {
    //   types: ['(regions)'],
    //   componentRestrictions: {country: "IN"}
    // };
    var options = {}

    var autocomplete = new google.maps.places.Autocomplete(input, options);

    google.maps.event.addListener(autocomplete, 'place_changed', function() {
      var place = autocomplete.getPlace();
      var lat = place.geometry.location.lat();
      var lng = place.geometry.location.lng();
      var placeId = place.place_id;
      // to set city name, using the locality param
      var componentForm = {
        locality: 'short_name',
      };
      for (var i = 0; i < place.address_components.length; i++) {
        var addressType = place.address_components[i].types[0];
        if (componentForm[addressType]) {
          var val = place.address_components[i][componentForm[addressType]];
          document.getElementById("city").value = val;
        }
      }
      document.getElementById("latitude").value = lat;
      document.getElementById("longitude").value = lng;
      document.getElementById("location_id").value = placeId;
    });
  }
</script>
</body>
</html>

<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js"></script>
<script src="//maps.googleapis.com/maps/api/js?libraries=places&key=API KEY"></script>


<script src="https://fonts.googleapis.com/css?family=Roboto:300,400,500></script>
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