将PHP变量传递给javascript以在Google地图上显示IP的位置
在同一个页面上,您正在使用php代码返回域的ip,我想将这个php$ip变量传递给下面的javascript代码,在button标记中。如何将这个php$ip变量传递到下面的javascript代码中 以下是php提交部分,不含谷歌地图:将PHP变量传递给javascript以在Google地图上显示IP的位置,javascript,php,Javascript,Php,在同一个页面上,您正在使用php代码返回域的ip,我想将这个php$ip变量传递给下面的javascript代码,在button标记中。如何将这个php$ip变量传递到下面的javascript代码中 以下是php提交部分,不含谷歌地图: <form method="post" action=""> <input type="text" name="name"> <input type="submit" name="submit" value="s
<form method="post" action="">
<input type="text" name="name">
<input type="submit" name="submit" value="submit">
</form>
<?php
if(isset($_POST['submit']))
{
$ip = gethostbyname($_POST['name']);
echo $ip;
}
?>
下面是代码中的javascript代码:我想传递上面的php$ip变量
我想删除这个javascript代码中的输入标记和按钮标记,因为它们在单个页面上存在两个输入和提交按钮标记
我在这个项目中的目标是查找IP的位置并在google地图上显示它
<script type="text/javascript">
$(function(){
try{
IPMapper.initializeMap("map");
//IPMapper.addIPMarker("111.111.111.111");
} catch(e){
//handle error
}
});
</script>
<input id="ip" name="ip" type="text" />
<button onclick="IPMapper.addIPMarker($('#ip').val());">Geocode</button>
<div id="map" style="height: 500px;width:500px; ">
</div>
供参考:javascript中的IPMapper代码
/*!
* IP Address geocoding API for Google Maps
* http://lab.abhinayrathore.com/ipmapper/
* Last Updated: June 13, 2012
*/
var IPMapper = {
map: null,
mapTypeId: google.maps.MapTypeId.ROADMAP,
latlngbound: null,
infowindow: null,
baseUrl: "http://freegeoip.net/json/",
initializeMap: function(mapId){
IPMapper.latlngbound = new google.maps.LatLngBounds();
var latlng = new google.maps.LatLng(0, 0);
//set Map options
var mapOptions = {
zoom: 1,
center: latlng,
mapTypeId: IPMapper.mapTypeId
}
//init Map
IPMapper.map = new google.maps.Map(document.getElementById(mapId), mapOptions);
//init info window
IPMapper.infowindow = new google.maps.InfoWindow();
//info window close event
google.maps.event.addListener(IPMapper.infowindow, 'closeclick',
function() {
IPMapper.map.fitBounds(IPMapper.latlngbound);
IPMapper.map.panToBounds(IPMapper.latlngbound);
});
},
addIPArray: function(ipArray){
ipArray = IPMapper.uniqueArray(ipArray); //get unique array elements
//add Map Marker for each IP
for (var i = 0; i < ipArray.length; i++){
IPMapper.addIPMarker(ipArray[i]);
}
},
addIPMarker: function(ip){
ipRegex = /^(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.){3}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])$/;
if($.trim(ip) != '' && ipRegex.test(ip)){ //validate IP Address format
var url = encodeURI(IPMapper.baseUrl + ip + "?callback=?"); //geocoding url
$.getJSON(url, function(data) { //get Geocoded JSONP data
if($.trim(data.latitude) != '' && data.latitude != '0' && !isNaN(data.latitude)){ //Geocoding successfull
var latitude = data.latitude;
var longitude = data.longitude;
var contentString = "";
$.each(data, function(key, val) {
contentString += '<b>' + key.toUpperCase().replace("_", " ") + ':</b> ' + val + '<br />';
});
var latlng = new google.maps.LatLng(latitude, longitude);
var marker = new google.maps.Marker({ //create Map Marker
map: IPMapper.map,
draggable: false,
position: latlng
});
IPMapper.placeIPMarker(marker, latlng, contentString); //place Marker on Map
} else {
IPMapper.logError('IP Address geocoding failed!');
$.error('IP Address geocoding failed!');
}
});
} else {
IPMapper.logError('Invalid IP Address!');
$.error('Invalid IP Address!');
}
},
placeIPMarker: function(marker, latlng, contentString){ //place Marker on Map
marker.setPosition(latlng);
google.maps.event.addListener(marker, 'click', function() {
IPMapper.getIPInfoWindowEvent(marker, contentString);
});
IPMapper.latlngbound.extend(latlng);
IPMapper.map.setCenter(IPMapper.latlngbound.getCenter());
IPMapper.map.fitBounds(IPMapper.latlngbound);
},
getIPInfoWindowEvent: function(marker, contentString){ //open Marker Info Window
IPMapper.infowindow.close()
IPMapper.infowindow.setContent(contentString);
IPMapper.infowindow.open(IPMapper.map, marker);
},
uniqueArray: function(inputArray){ //return unique elements from Array
var a = [];
for(var i=0; i<inputArray.length; i++) {
for(var j=i+1; j<inputArray.length; j++) {
if (inputArray[i] === inputArray[j]) j = ++i;
}
a.push(inputArray[i]);
}
return a;
},
logError: function(error){
if (typeof console == 'object') { console.error(error); }
}
}
也许
<button onclick="IPMapper.addIPMarker($('<?php echo $ip ?>').val());">Geocode</button>
不是javascript方面的专家,更好的解决方案是将数据添加到元素并使用事件侦听器
/*!
* IP Address geocoding API for Google Maps
* http://lab.abhinayrathore.com/ipmapper/
* Last Updated: June 13, 2012
*/
var IPMapper = {
map: null,
mapTypeId: google.maps.MapTypeId.ROADMAP,
latlngbound: null,
infowindow: null,
baseUrl: "http://freegeoip.net/json/",
initializeMap: function(mapId){
IPMapper.latlngbound = new google.maps.LatLngBounds();
var latlng = new google.maps.LatLng(0, 0);
//set Map options
var mapOptions = {
zoom: 1,
center: latlng,
mapTypeId: IPMapper.mapTypeId
}
//init Map
IPMapper.map = new google.maps.Map(document.getElementById(mapId), mapOptions);
//init info window
IPMapper.infowindow = new google.maps.InfoWindow();
//info window close event
google.maps.event.addListener(IPMapper.infowindow, 'closeclick',
function() {
IPMapper.map.fitBounds(IPMapper.latlngbound);
IPMapper.map.panToBounds(IPMapper.latlngbound);
});
},
addIPArray: function(ipArray){
ipArray = IPMapper.uniqueArray(ipArray); //get unique array elements
//add Map Marker for each IP
for (var i = 0; i < ipArray.length; i++){
IPMapper.addIPMarker(ipArray[i]);
}
},
addIPMarker: function(ip){
ipRegex = /^(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.){3}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])$/;
if($.trim(ip) != '' && ipRegex.test(ip)){ //validate IP Address format
var url = encodeURI(IPMapper.baseUrl + ip + "?callback=?"); //geocoding url
$.getJSON(url, function(data) { //get Geocoded JSONP data
if($.trim(data.latitude) != '' && data.latitude != '0' && !isNaN(data.latitude)){ //Geocoding successfull
var latitude = data.latitude;
var longitude = data.longitude;
var contentString = "";
$.each(data, function(key, val) {
contentString += '<b>' + key.toUpperCase().replace("_", " ") + ':</b> ' + val + '<br />';
});
var latlng = new google.maps.LatLng(latitude, longitude);
var marker = new google.maps.Marker({ //create Map Marker
map: IPMapper.map,
draggable: false,
position: latlng
});
IPMapper.placeIPMarker(marker, latlng, contentString); //place Marker on Map
} else {
IPMapper.logError('IP Address geocoding failed!');
$.error('IP Address geocoding failed!');
}
});
} else {
IPMapper.logError('Invalid IP Address!');
$.error('Invalid IP Address!');
}
},
placeIPMarker: function(marker, latlng, contentString){ //place Marker on Map
marker.setPosition(latlng);
google.maps.event.addListener(marker, 'click', function() {
IPMapper.getIPInfoWindowEvent(marker, contentString);
});
IPMapper.latlngbound.extend(latlng);
IPMapper.map.setCenter(IPMapper.latlngbound.getCenter());
IPMapper.map.fitBounds(IPMapper.latlngbound);
},
getIPInfoWindowEvent: function(marker, contentString){ //open Marker Info Window
IPMapper.infowindow.close()
IPMapper.infowindow.setContent(contentString);
IPMapper.infowindow.open(IPMapper.map, marker);
},
uniqueArray: function(inputArray){ //return unique elements from Array
var a = [];
for(var i=0; i<inputArray.length; i++) {
for(var j=i+1; j<inputArray.length; j++) {
if (inputArray[i] === inputArray[j]) j = ++i;
}
a.push(inputArray[i]);
}
return a;
},
logError: function(error){
if (typeof console == 'object') { console.error(error); }
}
}
<button data-ip-marker="<?= htmlspecialchars($ip) ?>">Geocode</button>
我几乎尝试过调用php变量,但它不起作用。我在这里发布了一个php代码,这是谷歌地图的IP地址地理编码API。我想将php$IP变量传递到这个代码中。很抱歉没有提供详细信息。我是这个组的新手,正在尝试张贴