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我有以下修改的代碼從谷歌顯示與我的融合表之一的多邊形地圖。融合表有兩個字段 - id &幾何。多邊形顯示很好,懸停效果很好。谷歌地圖融合錶盤旋和點擊
我的問題是如何讓content-window div顯示點擊多邊形的ID號。測試監聽器當前在content-window div中顯示'test'文本,但我無法獲得它顯示融合表查詢中單擊的多邊形的ID(var query ='SELECT id,geometry FROM '+ 'MYMAPID';)
<script type="text/javascript" src="https://maps.google.com/maps/api/js?sensor=false"></script>
<script type="text/javascript">
var map;
function initialize() {
var myOptions = {
zoom: 6,
center: new google.maps.LatLng(32.157435,-82.907123),
mapTypeId: google.maps.MapTypeId.ROADMAP
};
map = new google.maps.Map(document.getElementById('map-canvas'),myOptions);
// Initialize JSONP request
var script = document.createElement('script');
var url = ['https://www.googleapis.com/fusiontables/v1/query?'];
url.push('sql=');
var query = 'SELECT id,geometry FROM ' + 'MYMAPID';
var encodedQuery = encodeURIComponent(query);
url.push(encodedQuery);
url.push('&callback=drawMap');
url.push('&key=AIzaSyAm9yWCV7JPCTHCJut8whOjARd7pwROFDQ');
script.src = url.join('');
var body = document.getElementsByTagName('body')[0];
body.appendChild(script);
}
function drawMap(data)
{
var rows = data['rows'];
for (var i in rows)
{
newCoordinates = constructNewCoordinates(rows[i][1]['geometry']);
var country = new google.maps.Polygon
({
paths: newCoordinates,
strokeColor: "#ff0000",
strokeOpacity: 1,
strokeWeight: 1,
fillOpacity: 0.3
});
google.maps.event.addListener(country, 'mouseover', function() {
this.setOptions({fillOpacity: 1});
});
google.maps.event.addListener(country, 'mouseout', function() {
this.setOptions({fillOpacity: 0.3});
});
//test listener
google.maps.event.addListener(country, 'click', function() {
document.getElementById('content-window').innerHTML ='test';
});
country.setMap(map);
}
}
function constructNewCoordinates(polygon)
{
var newCoordinates = [];
var coordinates = polygon['coordinates'][0];
for (var i in coordinates)
{
newCoordinates.push(
new google.maps.LatLng(coordinates[i][1], coordinates[i][0]));
}
return newCoordinates;
}
google.maps.event.addDomListener(window, 'load', initialize);
</script>
謝謝:)
編輯:
我想的話,我可能會採取@geocodezip幫我的ID,並使用監聽器:
google.maps.event.addListener(country, 'click', function() {
getAreas(id);
});
...將它傳遞給下面的函數,讓它從具有該id的單獨的Fusion Table中拉出多個'name'字段。
function getAreas(id)
{
// Initialize JSONP request
var script = document.createElement('script');
var url = ['https://www.googleapis.com/fusiontables/v1/query?'];
url.push('sql=');
var query = 'SELECT name FROM ' + 'MY TABLE 2' + 'WHERE id=' + id;
var encodedQuery = encodeURIComponent(query);
url.push(encodedQuery);
url.push('&callback=showAreas');
url.push('&key=AIzaSyAm9yWCV7JPCTHCJut8whOjARd7pwROFDQ');
script.src = url.join('');
var body = document.getElementsByTagName('body')[0];
body.appendChild(script);
}
function showAreas(data)
{
var rows = data['rows'];
for (var i in rows)
{
var name = rows[i][0];
document.getElementById('content-window').innerHTML = name;
}
}
雖然這不起作用。有人知道我做錯了什麼?
感謝
完美地工作。非常感謝! – user1156756
我有問題使用該ID從其他Fusion Table中獲取結果。請在我的問題中看到我的編輯。謝謝。 – user1156756
如果沒有現場示例,我無法確定問題所在。我會建議在調試器中進行調查。 – geocodezip