Php 谷歌地图API:空白页(无地图)
我几乎复制了教程中的代码: (当然,我想我做了适当的改变) 你能帮我弄清楚为什么地图没有出现吗 我正在使用MySQL/PHP生成(与教程中的代码类似):Php 谷歌地图API:空白页(无地图),php,javascript,mysql,google-maps,google-maps-api-3,Php,Javascript,Mysql,Google Maps,Google Maps Api 3,我几乎复制了教程中的代码: (当然,我想我做了适当的改变) 你能帮我弄清楚为什么地图没有出现吗 我正在使用MySQL/PHP生成(与教程中的代码类似): 以下是(与教程类似的代码): PHP/MySQL和googlemaps示例 // 需要对每一个语法错误进行更改。下面是完整的js。这里是一个提琴,它没有显示标记,因为我不能使用ajax跨域来获取列表,但您可以看到地图加载 编辑 将代码更改为此,它将运行 var customIcons = { restaurant: {
以下是(与教程类似的代码):
PHP/MySQL和googlemaps示例
//
需要对每一个语法错误进行更改。下面是完整的js。这里是一个提琴,它没有显示标记,因为我不能使用ajax跨域来获取列表,但您可以看到地图加载
编辑
将代码更改为此,它将运行
var customIcons = {
restaurant: {
icon: 'http://labs.google.com/ridefinder/images/mm_20_blue.png',
shadow: 'http://labs.google.com/ridefinder/images/mm_20_shadow.png'
},
bar: {
icon: 'http://labs.google.com/ridefinder/images/mm_20_red.png',
shadow: 'http://labs.google.com/ridefinder/images/mm_20_shadow.png'
}
};
function load() {
var map = new google.maps.Map(document.getElementById("map"), {
center: new google.maps.LatLng(34.026485, -118.283794),
zoom: 14,
mapTypeId: 'roadmap'
});
var infoWindow = new google.maps.InfoWindow;
// Change this depending on the name of your PHP file
downloadUrl("http://firstchoicehousing.com/_api/google/maps/phpsqlajax_genxml2.php", function(data) {
var xml = data.responseXML;
var markers = xml.documentElement.getElementsByTagName("marker");
for (var i = 0; i < markers.length; i++) {
var name = markers[i].getAttribute("name");
var address = markers[i].getAttribute("address");
var type = markers[i].getAttribute("type");
var point = new google.maps.LatLng(
parseFloat(markers[i].getAttribute("lat")),
parseFloat(markers[i].getAttribute("lng")));
var html = "<b>" + name + "</b> <br/>" + address;
var icon = customIcons[type] || {};
var marker = new google.maps.Marker({
map: map,
position: point,
icon: icon.icon,
shadow: icon.shadow
});
bindInfoWindow(marker, map, infoWindow, html);
}
});
}
function bindInfoWindow(marker, map, infoWindow, html) {
google.maps.event.addListener(marker, 'click', function() {
infoWindow.setContent(html);
infoWindow.open(map, marker);
});
}
function downloadUrl(url, callback) {
var request = window.ActiveXObject ?
new ActiveXObject('Microsoft.XMLHTTP') :
new XMLHttpRequest;
request.onreadystatechange = function() {
if (request.readyState == 4) {
request.onreadystatechange = doNothing;
callback(request, request.status);
}
};
request.open('GET', url, true);
request.send(null);
}
function doNothing() {}
var自定义图标={
餐厅:{
图标:'http://labs.google.com/ridefinder/images/mm_20_blue.png',
影子:'http://labs.google.com/ridefinder/images/mm_20_shadow.png'
},
酒吧:{
图标:'http://labs.google.com/ridefinder/images/mm_20_red.png',
影子:'http://labs.google.com/ridefinder/images/mm_20_shadow.png'
}
};
函数加载(){
var map=new google.maps.map(document.getElementById(“map”){
中心:新google.maps.LatLng(34.026485,-118.283794),
缩放:14,
mapTypeId:“路线图”
});
var infoWindow=new google.maps.infoWindow;
//根据PHP文件的名称更改此选项
下载网址(“http://firstchoicehousing.com/_api/google/maps/phpsqlajax_genxml2.php,函数(数据){
var xml=data.responseXML;
var markers=xml.documentElement.getElementsByTagName(“标记”);
对于(var i=0;i“+地址;
var icon=customIcons[type]| |{};
var marker=new google.maps.marker({
地图:地图,
位置:点,,
icon:icon.icon,
阴影:icon.shadow
});
bindInfoWindow(标记、地图、infoWindow、html);
}
});
}
函数bindInfoWindow(标记、地图、infoWindow、html){
google.maps.event.addListener(标记'click',函数(){
setContent(html);
信息窗口。打开(地图、标记);
});
}
函数下载url(url,回调){
var请求=window.ActiveXObject?
新的ActiveXObject('Microsoft.XMLHTTP'):
新的XMLHttpRequest;
request.onreadystatechange=函数(){
if(request.readyState==4){
request.onreadystatechange=doNothing;
回调(请求、请求、状态);
}
};
打开('GET',url,true);
请求发送(空);
}
函数doNothing(){}
需要对每一个语法错误进行更改。下面是完整的js。这里是一个提琴,它没有显示标记,因为我不能使用ajax跨域来获取列表,但您可以看到地图加载
编辑
将代码更改为此,它将运行
var customIcons = {
restaurant: {
icon: 'http://labs.google.com/ridefinder/images/mm_20_blue.png',
shadow: 'http://labs.google.com/ridefinder/images/mm_20_shadow.png'
},
bar: {
icon: 'http://labs.google.com/ridefinder/images/mm_20_red.png',
shadow: 'http://labs.google.com/ridefinder/images/mm_20_shadow.png'
}
};
function load() {
var map = new google.maps.Map(document.getElementById("map"), {
center: new google.maps.LatLng(34.026485, -118.283794),
zoom: 14,
mapTypeId: 'roadmap'
});
var infoWindow = new google.maps.InfoWindow;
// Change this depending on the name of your PHP file
downloadUrl("http://firstchoicehousing.com/_api/google/maps/phpsqlajax_genxml2.php", function(data) {
var xml = data.responseXML;
var markers = xml.documentElement.getElementsByTagName("marker");
for (var i = 0; i < markers.length; i++) {
var name = markers[i].getAttribute("name");
var address = markers[i].getAttribute("address");
var type = markers[i].getAttribute("type");
var point = new google.maps.LatLng(
parseFloat(markers[i].getAttribute("lat")),
parseFloat(markers[i].getAttribute("lng")));
var html = "<b>" + name + "</b> <br/>" + address;
var icon = customIcons[type] || {};
var marker = new google.maps.Marker({
map: map,
position: point,
icon: icon.icon,
shadow: icon.shadow
});
bindInfoWindow(marker, map, infoWindow, html);
}
});
}
function bindInfoWindow(marker, map, infoWindow, html) {
google.maps.event.addListener(marker, 'click', function() {
infoWindow.setContent(html);
infoWindow.open(map, marker);
});
}
function downloadUrl(url, callback) {
var request = window.ActiveXObject ?
new ActiveXObject('Microsoft.XMLHTTP') :
new XMLHttpRequest;
request.onreadystatechange = function() {
if (request.readyState == 4) {
request.onreadystatechange = doNothing;
callback(request, request.status);
}
};
request.open('GET', url, true);
request.send(null);
}
function doNothing() {}
var自定义图标={
餐厅:{
图标:'http://labs.google.com/ridefinder/images/mm_20_blue.png',
影子:'http://labs.google.com/ridefinder/images/mm_20_shadow.png'
},
酒吧:{
图标:'http://labs.google.com/ridefinder/images/mm_20_red.png',
影子:'http://labs.google.com/ridefinder/images/mm_20_shadow.png'
}
};
函数加载(){
var map=new google.maps.map(document.getElementById(“map”){
中心:新google.maps.LatLng(34.026485,-118.283794),
缩放:14,
mapTypeId:“路线图”
});
var infoWindow=new google.maps.infoWindow;
//根据PHP文件的名称更改此选项
下载网址(“http://firstchoicehousing.com/_api/google/maps/phpsqlajax_genxml2.php,函数(数据){
var xml=data.responseXML;
var markers=xml.documentElement.getElementsByTagName(“标记”);
对于(var i=0;i“+地址;
var icon=customIcons[type]| |{};
var marker=new google.maps.marker({
地图:地图,
位置:点,,
icon:icon.icon,
阴影:icon.shadow
});
bindInfoWindow(标记、地图、infoWindow、html);
}
});
}
函数bindInfoWindow(标记、地图、infoWindow、html){
google.maps.event.addListener(标记'click',函数(){
setContent(html);
信息窗口。打开(地图、标记);
});
}
函数下载url(url,回调){
var请求=window.ActiveXObject?
新的ActiveXObject('Microsoft.XMLHTTP'):
新的XMLHttpRequest;
request.onreadystatechange=函数(){
if(request.readyState==4){
request.onreadystatechange=doNothing;
回调(请求、请求、状态);
}
};
打开('GET',url,true);
请求发送(空);
}
函数doNothing(){}
在firefox中,按ctrl+shift+J,按chrome F12键,然后单击控制台选项卡看一看,我在草稿行中修复了您的代码,这是最后一件事情…如何使此地图看起来像这样:(我需要右侧的地址列表和包含url的工具提示)工具提示
var customIcons = {
restaurant: {
icon: 'http://labs.google.com/ridefinder/images/mm_20_blue.png',
shadow: 'http://labs.google.com/ridefinder/images/mm_20_shadow.png'
},
bar: {
icon: 'http://labs.google.com/ridefinder/images/mm_20_red.png',
shadow: 'http://labs.google.com/ridefinder/images/mm_20_shadow.png'
}
};
function load() {
var map = new google.maps.Map(document.getElementById("map"), {
center: new google.maps.LatLng(34.026485, -118.283794),
zoom: 14,
mapTypeId: 'roadmap'
});
var infoWindow = new google.maps.InfoWindow;
// Change this depending on the name of your PHP file
downloadUrl("http://firstchoicehousing.com/_api/google/maps/phpsqlajax_genxml2.php", function(data) {
var xml = data.responseXML;
var markers = xml.documentElement.getElementsByTagName("marker");
for (var i = 0; i < markers.length; i++) {
var name = markers[i].getAttribute("name");
var address = markers[i].getAttribute("address");
var type = markers[i].getAttribute("type");
var point = new google.maps.LatLng(
parseFloat(markers[i].getAttribute("lat")),
parseFloat(markers[i].getAttribute("lng")));
var html = "<b>" + name + "</b> <br/>" + address;
var icon = customIcons[type] || {};
var marker = new google.maps.Marker({
map: map,
position: point,
icon: icon.icon,
shadow: icon.shadow
});
bindInfoWindow(marker, map, infoWindow, html);
}
});
}
function bindInfoWindow(marker, map, infoWindow, html) {
google.maps.event.addListener(marker, 'click', function() {
infoWindow.setContent(html);
infoWindow.open(map, marker);
});
}
function downloadUrl(url, callback) {
var request = window.ActiveXObject ?
new ActiveXObject('Microsoft.XMLHTTP') :
new XMLHttpRequest;
request.onreadystatechange = function() {
if (request.readyState == 4) {
request.onreadystatechange = doNothing;
callback(request, request.status);
}
};
request.open('GET', url, true);
request.send(null);
}
function doNothing() {}