Javascript 使用地理位置获取城市名称
我设法使用基于HTML的地理位置来获取用户的纬度和经度Javascript 使用地理位置获取城市名称,javascript,html,geolocation,Javascript,Html,Geolocation,我设法使用基于HTML的地理位置来获取用户的纬度和经度 //Check if browser supports W3C Geolocation API if (navigator.geolocation) { navigator.geolocation.getCurrentPosition(successFunction, errorFunction); } //Get latitude and longitude; function successFunction(position)
//Check if browser supports W3C Geolocation API
if (navigator.geolocation) {
navigator.geolocation.getCurrentPosition(successFunction, errorFunction);
}
//Get latitude and longitude;
function successFunction(position) {
var lat = position.coords.latitude;
var long = position.coords.longitude;
}
我想显示城市名称,似乎获得它的唯一方法是使用反向地理定位API。我阅读了谷歌关于反向地理定位的文档,但我不知道如何在我的网站上获得输出
我不知道如何使用这个:“http://maps.googleapis.com/maps/api/geocode/json?latlng=“+lat+”、“+long+”&sensor=true”
在页面上显示城市名称
我怎样才能做到这一点呢?您可以使用谷歌API做类似的事情 请注意,您必须包含谷歌地图库,才能使其正常工作。GoogleGeocoder会返回很多地址组件,所以你必须有根据地猜测哪一个会拥有这个城市 “行政区域级别1”通常是你要找的,但有时地方就是你要找的城市 无论如何,更多关于谷歌响应类型的详细信息可以在这里找到和找到 下面是实现该技巧的代码:
<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="initial-scale=1.0, user-scalable=no"/>
<meta http-equiv="content-type" content="text/html; charset=UTF-8"/>
<title>Reverse Geocoding</title>
<script type="text/javascript" src="http://maps.googleapis.com/maps/api/js?sensor=false"></script>
<script type="text/javascript">
var geocoder;
if (navigator.geolocation) {
navigator.geolocation.getCurrentPosition(successFunction, errorFunction);
}
//Get the latitude and the longitude;
function successFunction(position) {
var lat = position.coords.latitude;
var lng = position.coords.longitude;
codeLatLng(lat, lng)
}
function errorFunction(){
alert("Geocoder failed");
}
function initialize() {
geocoder = new google.maps.Geocoder();
}
function codeLatLng(lat, lng) {
var latlng = new google.maps.LatLng(lat, lng);
geocoder.geocode({'latLng': latlng}, function(results, status) {
if (status == google.maps.GeocoderStatus.OK) {
console.log(results)
if (results[1]) {
//formatted address
alert(results[0].formatted_address)
//find country name
for (var i=0; i<results[0].address_components.length; i++) {
for (var b=0;b<results[0].address_components[i].types.length;b++) {
//there are different types that might hold a city admin_area_lvl_1 usually does in come cases looking for sublocality type will be more appropriate
if (results[0].address_components[i].types[b] == "administrative_area_level_1") {
//this is the object you are looking for
city= results[0].address_components[i];
break;
}
}
}
//city data
alert(city.short_name + " " + city.long_name)
} else {
alert("No results found");
}
} else {
alert("Geocoder failed due to: " + status);
}
});
}
</script>
</head>
<body onload="initialize()">
</body>
</html>
反向地理编码
var地理编码器;
if(导航器.地理位置){
navigator.geolocation.getCurrentPosition(successFunction,errorFunction);
}
//得到纬度和经度;
功能成功功能(位置){
var lat=位置坐标纬度;
var lng=位置坐标经度;
codeLatLng(lat,lng)
}
函数errorFunction(){
警报(“地理编码器失败”);
}
函数初始化(){
geocoder=新的google.maps.geocoder();
}
功能代码LATLNG(lat,lng){
var latlng=新的google.maps.latlng(lat,lng);
geocoder.geocode({'latLng':latLng},函数(结果,状态){
if(status==google.maps.GeocoderStatus.OK){
console.log(结果)
如果(结果[1]){
//格式化地址
警报(结果[0]。格式化的\u地址)
//查找国家名称
对于(var i=0;i您可以使用googleapi执行类似的操作
请注意,你必须包括谷歌地图库,这是工作。谷歌地理编码器返回了大量的地址组件,所以你必须作出一个有根据的猜测,哪一个将有城市
“行政区域级别1”通常是你要找的,但有时地方就是你要找的城市
无论如何,更多关于谷歌响应类型的详细信息可以在这里找到和找到
下面是实现该技巧的代码:
<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="initial-scale=1.0, user-scalable=no"/>
<meta http-equiv="content-type" content="text/html; charset=UTF-8"/>
<title>Reverse Geocoding</title>
<script type="text/javascript" src="http://maps.googleapis.com/maps/api/js?sensor=false"></script>
<script type="text/javascript">
var geocoder;
if (navigator.geolocation) {
navigator.geolocation.getCurrentPosition(successFunction, errorFunction);
}
//Get the latitude and the longitude;
function successFunction(position) {
var lat = position.coords.latitude;
var lng = position.coords.longitude;
codeLatLng(lat, lng)
}
function errorFunction(){
alert("Geocoder failed");
}
function initialize() {
geocoder = new google.maps.Geocoder();
}
function codeLatLng(lat, lng) {
var latlng = new google.maps.LatLng(lat, lng);
geocoder.geocode({'latLng': latlng}, function(results, status) {
if (status == google.maps.GeocoderStatus.OK) {
console.log(results)
if (results[1]) {
//formatted address
alert(results[0].formatted_address)
//find country name
for (var i=0; i<results[0].address_components.length; i++) {
for (var b=0;b<results[0].address_components[i].types.length;b++) {
//there are different types that might hold a city admin_area_lvl_1 usually does in come cases looking for sublocality type will be more appropriate
if (results[0].address_components[i].types[b] == "administrative_area_level_1") {
//this is the object you are looking for
city= results[0].address_components[i];
break;
}
}
}
//city data
alert(city.short_name + " " + city.long_name)
} else {
alert("No results found");
}
} else {
alert("Geocoder failed due to: " + status);
}
});
}
</script>
</head>
<body onload="initialize()">
</body>
</html>
反向地理编码
var地理编码器;
if(导航器.地理位置){
navigator.geolocation.getCurrentPosition(successFunction,errorFunction);
}
//得到纬度和经度;
功能成功功能(位置){
var lat=位置坐标纬度;
var lng=位置坐标经度;
codeLatLng(lat,lng)
}
函数errorFunction(){
警报(“地理编码器失败”);
}
函数初始化(){
geocoder=新的google.maps.geocoder();
}
功能代码LATLNG(lat,lng){
var latlng=新的google.maps.latlng(lat,lng);
geocoder.geocode({'latLng':latLng},函数(结果,状态){
if(status==google.maps.GeocoderStatus.OK){
console.log(结果)
如果(结果[1]){
//格式化地址
警报(结果[0]。格式化的\u地址)
//查找国家名称
对于(var i=0;i另一种方法是使用我的服务,它根据用户的当前IP地址返回城市、地区和国家的名称。下面是一个简单的示例:
$.get("http://ipinfo.io", function(response) {
console.log(response.city, response.country);
}, "jsonp");
这里有一个更详细的JSFIDLE示例,它还打印出完整的响应信息,因此您可以查看所有可用的详细信息:另一种方法是使用my service,它根据用户当前的IP地址返回城市、地区和国家的名称。下面是一个简单的示例:
$.get("http://ipinfo.io", function(response) {
console.log(response.city, response.country);
}, "jsonp");
这里有一个更详细的JSFIDLE示例,它还打印出完整的响应信息,因此您可以看到所有可用的详细信息:这里是我的更新工作版本,将获得City/Town,看起来json响应中的一些字段被修改了。请参考前面的回答。(多亏了Michal&还有一个参考:
这是我的最新工作版本,将获得City/Town,看起来json响应中的一些字段被修改了。请参考前面的问题答案。(多亏了Michal和另一个参考:
$.ajax({
url:“https://geolocation-db.com/jsonp",
jsonpCallback:“回调”,
数据类型:“jsonp”,
成功:功能(位置){
$('#country').html(location.country_name);
$('#state').html(location.state);
$('#city').html(location.city);
$('#latitude').html(location.latitude);
$('#longitude').html(location.longitude);
$('#ip').html(location.IPv4);
}
});
国家:
声明:
城市:
纬度:
经度:
IP:
$.ajax({
url:“https://geolocation-db.com/jsonp",
jsonpCallback:“回调”,
数据类型:“jsonp”,
成功:功能(位置){
$('#country').html(location.country_name);
$('#state').html(location.state);
$('#city').html(location.city);
$('#latitude').html(location.latitude);
$('#longitude').html(location.longitude);
$('#ip').html(location.IPv4);
}
});
国家:
声明:
城市:
纬度:
经度:
IP:
您可以使用谷歌地图地理编码API获取城市名称、国家名称、街道名称和其他地理数据
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title></title>
<script type="text/javascript" src="https://code.jquery.com/jquery-2.2.3.js"></script>
</head>
<body>
<script type="text/javascript">
navigator.geolocation.getCurrentPosition(success, error);
function success(position) {
console.log(position.coords.latitude)
console.log(position.coords.longitude)
var GEOCODING = 'https://maps.googleapis.com/maps/api/geocode/json?latlng=' + position.coords.latitude + '%2C' + position.coords.longitude + '&language=en';
$.getJSON(GEOCODING).done(function(location) {
console.log(location)
})
}
function error(err) {
console.log(err)
}
</script>
</body>
</html>
navigator.geolocation.getCurrentPosition(成功,错误);
功能成功(职位){
控制台日志(位置坐标纬度)
console.log(位置.坐标.经度)
地理编码变量https://maps.googleapis.com/maps/api/geocode/json?latlng='+position.coords.latitude+'%2C'+position.coords.longitude+'&language=en';
$.getJSON(地理编码).done(函数(位置){
geolocator.locateByIP(options, function (err, location) {
console.log(location.address.city);
});
function parseGeoLocationResults(result) {
const parsedResult = {}
const {address_components} = result;
for (var i = 0; i < address_components.length; i++) {
for (var b = 0; b < address_components[i].types.length; b++) {
if (address_components[i].types[b] == "street_number") {
//this is the object you are looking for
parsedResult.street_number = address_components[i].long_name;
break;
}
else if (address_components[i].types[b] == "route") {
//this is the object you are looking for
parsedResult.street_name = address_components[i].long_name;
break;
}
else if (address_components[i].types[b] == "sublocality_level_1") {
//this is the object you are looking for
parsedResult.sublocality_level_1 = address_components[i].long_name;
break;
}
else if (address_components[i].types[b] == "sublocality_level_2") {
//this is the object you are looking for
parsedResult.sublocality_level_2 = address_components[i].long_name;
break;
}
else if (address_components[i].types[b] == "sublocality_level_3") {
//this is the object you are looking for
parsedResult.sublocality_level_3 = address_components[i].long_name;
break;
}
else if (address_components[i].types[b] == "neighborhood") {
//this is the object you are looking for
parsedResult.neighborhood = address_components[i].long_name;
break;
}
else if (address_components[i].types[b] == "locality") {
//this is the object you are looking for
parsedResult.city = address_components[i].long_name;
break;
}
else if (address_components[i].types[b] == "administrative_area_level_1") {
//this is the object you are looking for
parsedResult.state = address_components[i].long_name;
break;
}
else if (address_components[i].types[b] == "postal_code") {
//this is the object you are looking for
parsedResult.zip = address_components[i].long_name;
break;
}
else if (address_components[i].types[b] == "country") {
//this is the object you are looking for
parsedResult.country = address_components[i].long_name;
break;
}
}
}
return parsedResult;
}
$(document).ready(function () {
$('#btnGetIpDetail').click(function () {
if ($('#txtIP').val() == '') {
alert('IP address is reqired');
return false;
}
$.getJSON("http://ip-api.io/json/" + $('#txtIP').val(),
function (result) {
alert('City Name: ' + result.city)
console.log(result);
});
});
});
<script src="https://code.jquery.com/jquery-1.12.4.js"></script>
<div>
<input type="text" id="txtIP" />
<button id="btnGetIpDetail">Get Location of IP</button>
</div>
{
"ip": "64.30.228.118",
"country_code": "US",
"country_name": "United States",
"region_code": "FL",
"region_name": "Florida",
"city": "Fort Lauderdale",
"zip_code": "33309",
"time_zone": "America/New_York",
"latitude": 26.1882,
"longitude": -80.1711,
"metro_code": 528,
"suspicious_factors": {
"is_proxy": false,
"is_tor_node": false,
"is_spam": false,
"is_suspicious": false
}
}
async function getCountry(lat, long) {
const { data: { results } } = await axios.get(`https://maps.googleapis.com/maps/api/geocode/json?latlng=${lat},${long}&key=${GOOGLE_API_KEY}`);
const { address_components } = results[0];
for (let i = 0; i < address_components.length; i++) {
const { types, long_name } = address_components[i];
if (types.indexOf("country") !== -1) return long_name;
}
}
$.get("https://api.astroip.co/?api_key=1725e47c-1486-4369-aaff-463cc9764026", function(response) {
console.log(response.geo.city, response.geo.country);
});