Php Document.getElementById不';不能在谷歌地图信息窗口中工作
所以我尝试将两个GoogleMapsAPI教程合并成一个地图。和 我曾经在示例页面上显示两个地图,现在我想要一个。除了我尝试将内容保存到数据库时,其他一切都正常工作Php Document.getElementById不';不能在谷歌地图信息窗口中工作,php,javascript,google-maps,Php,Javascript,Google Maps,所以我尝试将两个GoogleMapsAPI教程合并成一个地图。和 我曾经在示例页面上显示两个地图,现在我想要一个。除了我尝试将内容保存到数据库时,其他一切都正常工作document.getElementbyId不会从信息窗口中的表单返回任何内容,只返回坐标 当地图是分开的,但当它们在一起时,它不起作用 这是我组合的代码: var customIcons = { blue: { icon: 'http://labs.google.com/ridefinder/images/mm_20_
document.getElementbyId
不会从信息窗口中的表单返回任何内容,只返回坐标
当地图是分开的,但当它们在一起时,它不起作用
这是我组合的代码:
var customIcons = {
blue: {
icon: 'http://labs.google.com/ridefinder/images/mm_20_blue.png',
shadow: 'http://labs.google.com/ridefinder/images/mm_20_shadow.png'
},
red: {
icon: 'http://labs.google.com/ridefinder/images/mm_20_red.png',
shadow: 'http://labs.google.com/ridefinder/images/mm_20_shadow.png'
}
};
var locationInfowindow;
var locationMarker;
function initialize() {
//get the html from the water
var waterHTML = "Why is water important in your community?" +
"<table>" +
"<tr><td>Name:</td> <td><input type='text' id='watername'/> </td> </tr>" +
"<tr><td>School:</td> <td><input type='text' id='wateraddress'/></td> </tr>" +
"<tr><td>Reason:</td> <td><input type='text' id='waterreason'/> </td></tr>" +
"<tr><td></td><td><input type='button' value='Save & Close' onclick='saveData()'/></td></tr>";
//setup Map
var map = new google.maps.Map(document.getElementById("map"), {
center: new google.maps.LatLng(37.926868, -104.501953),
zoom: 5,
mapTypeId: 'roadmap'
});
//start the markers from the database
var infoWindow = new google.maps.InfoWindow;
// Change this depending on the name of your PHP file
downloadXMLUrl('mapxml.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("school");
var math = markers[i].getAttribute("reason");
var point = new google.maps.LatLng(
parseFloat(markers[i].getAttribute("lat")),
parseFloat(markers[i].getAttribute("lng")));
var html = "<b>" + name + "</b> <br/> <i>" + address + "</i><br/>" +math ;
var icon = customIcons['blue'] || {};
var marker = new google.maps.Marker({
map: map,
position: point,
icon: icon.icon,
shadow: icon.shadow
});
bindInfoWindow(marker, map, infoWindow, html);
}
});
//Try HTML5 geolocation
if(navigator.geolocation) {
navigator.geolocation.getCurrentPosition(function(position) {
var pos = new google.maps.LatLng(position.coords.latitude,
position.coords.longitude);
locationInfowindow = new google.maps.InfoWindow({
content: waterHTML
});
locationMarker = new google.maps.Marker({
draggable: true,
position: pos,
map: map,
title: 'Water Event'
});
locationInfowindow.open(map,locationMarker);
map.setCenter(pos);
}, function() {
handleNoGeolocation(true);
});
} else {
// Browser doesn't support Geolocation
handleNoGeolocation(false);
}
}
function bindInfoWindow(marker, map, infoWindow, html) {
google.maps.event.addListener(marker, 'click', function() {
infoWindow.setContent(html);
infoWindow.open(map, marker);
});
}
function downloadXMLUrl(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 handleNoGeolocation(errorFlag) {
if (errorFlag) {
var content = 'Your browser doesn\'t support geolocation.' + '</br>'+
"Why is water important in your community?” " +
"<table>" +
"<tr><td>Name:</td> <td><input type='text' id='watername'/> </td> </tr>" +
"<tr><td>School:</td> <td><input type='text' id='wateraddress'/></td> </tr>" +
"<tr><td>Reason:</td> <td><input type='text' id='waterreason'/> </td></tr>" +
"<tr><td></td><td><input type='button' value='Save & Close' onclick='saveData()'/></td></tr>";
} else {
var content = 'Error: Your browser doesn\'t support geolocation.' + '</br>' + html;
}
var options = {
map: map,
position: new google.maps.LatLng(37.926868, -104.501953),
content: content
};
locationInfowindow = new google.maps.InfoWindow(options);
map.setCenter(options.position);
}
google.maps.event.addDomListener(window, 'load', initialize);
function saveData() {
var watername = escape(document.getElementById("watername").value);
console.log(watername);
var wateraddress = escape(document.getElementById("wateraddress").value);
console.log(wateraddress);
var waterreason = document.getElementById("waterreason").value;
console.log(waterreason);
var latlng = locationMarker.getPosition();
var url = "phpsqlinfo_addrow.php?name=" + watername + "&school=" + wateraddress + "&reason=" + waterreason + "&lat=" + latlng.lat() + "&lng=" + latlng.lng();
console.log(url);
downloadUrl(url, function(data, responseCode) {
console.log("inurl");
// if (responseCode == 200 && data.length <= 1) {
locationInfowindow.close();
document.getElementById("message").innerHTML = "Location added. Refresh to see your addition!";
// }
});
}
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.responseText, request.status);
}
};
request.open('GET', url, true);
request.send(null);
}
function doNothing() {}
var自定义图标={
蓝色:{
图标:'http://labs.google.com/ridefinder/images/mm_20_blue.png',
影子:'http://labs.google.com/ridefinder/images/mm_20_shadow.png'
},
红色:{
图标:'http://labs.google.com/ridefinder/images/mm_20_red.png',
影子:'http://labs.google.com/ridefinder/images/mm_20_shadow.png'
}
};
var位置信息窗口;
var定位标记;
函数初始化(){
//从水中获取html
var waterHTML=“为什么水在您的社区中很重要?”+
"" +
“姓名:”+
“学校:”+
“原因:”+
"";
//设置图
var map=new google.maps.map(document.getElementById(“map”){
中心:新google.maps.LatLng(37.926868,-104.501953),
缩放:5,
mapTypeId:“路线图”
});
//从数据库中启动标记
var infoWindow=new google.maps.infoWindow;
//根据PHP文件的名称更改此选项
下载XMLURL('mapxml.php',函数(数据){
var xml=data.responseXML;
var markers=xml.documentElement.getElementsByTagName(“标记”);
对于(var i=0;i“+地址+”
“+数学;
var icon=customIcons['blue']|{};
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);
}
});
//试试HTML5地理定位
if(导航器.地理位置){
navigator.geolocation.getCurrentPosition(函数(位置){
var pos=新的google.maps.LatLng(position.coords.latitude,
位置坐标经度);
locationInfowindow=新建google.maps.InfoWindow({
内容:waterHTML
});
locationMarker=新建google.maps.Marker({
真的,
职位:pos,,
地图:地图,
标题:“水上活动”
});
位置信息窗口。打开(地图、位置标记);
地图设置中心(pos);
},函数(){
手持导航(真);
});
}否则{
//浏览器不支持地理位置
手动定位(假);
}
}
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XMLURL(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handleNogeLocation(errorFlag){
如果(错误标志){
var content='您的浏览器不支持地理位置。'+''+
“为什么水在你们社区很重要?”+
"" +
“姓名:”+
“学校:”+
“原因:”+
"";
}否则{
var content='错误:您的浏览器不支持地理位置。'+''+html;
}
变量选项={
地图:地图,
位置:新google.maps.LatLng(37.926868,-104.501953),
内容:内容
};
locationInfowindow=新建google.maps.InfoWindow(选项);
地图设置中心(选项位置);
}
google.maps.event.addDomListener(窗口“加载”,初始化);
函数saveData(){
var watername=escape(document.getElementById(“watername”).value);
console.log(watername);
var wateraddress=escape(document.getElementById(“wateraddress”).value);
console.log(wateraddress);
var waterreason=document.getElementById(“waterreason”).value;
控制台日志(waterreason);
var latlng=locationMarker.getPosition();
var url=“phpsqlinfo_addrow.php?name=“+watername+”&school=“+wateraddress+”&reason=“+waterreason+”&lat=“+latlng.lat()+”&lng=“+latlng.lng()”;
console.log(url);
下载url(url、函数(数据、响应代码){
控制台日志(“inurl”);
//如果(responseCode==200&&data.length我不能确切地告诉您为什么会发生这种情况,但是文档中有一些垃圾,一个隐藏的waterHTML节点副本
getElementById()
检索文档中具有给定ID的第一个元素,因此您总是获取此副本的值,而不是所需的值。单击第一个按钮后,此副本将以某种方式被删除
建议:您可以从返回的节点列表中检索最后一项,而不是IDs使用名称属性:
var waternames = document.getElementsByName("watername");
var watername = escape(waternames[waternames.length-1].value);
//the same for waterreason and wateraddress
我不能确切地告诉您为什么会发生这种情况,但是文档中有一些垃圾,一个隐藏的waterHTML节点副本
getElementById()
检索文档中具有给定ID的第一个元素,因此您总是获取此副本的值,而不是所需的值。单击第一个按钮后,此副本将以某种方式被删除
建议:您将能够检索最后一项,而不是IDs使用名称属性