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我試圖點擊openlayers3中的地圖點擊功能信息。我在控制檯一樣的TypeError收到錯誤消息:layer.getSource(...)爲空 我的點擊功能map.on點擊不在openlayers3中工作
map.on('click', function (evt) {
var fl = map.forEachFeatureAtPixel(evt.pixel, function (feature, layer) {
return { 'feature': feature, 'layer': layer };
});
var feature = fl.feature;
layer = fl.layer;
if (layer == vectorlayer) {
var admin = "<table>";
admin += "<tr><td style='color:green; border: 0px solid red;text-align:left;vertical-align:middle;font-size:15px;'><b> Information<b></td></tr>";
admin += "<tr><td><b>Type</b></td><td>:</td><td >" + feature.get('field1') + "</td></tr>";
admin += "<tr><td><b>District</b></td><td>:</td><td>" + feature.get('district') + "</td></tr>";
admin += "<tr><td><b>Taluk</b></td><td>:</td><td >" + feature.get('taluk') + "</td></tr>";
admin += "<tr><td><b>Village</b></td><td>:</td><td>" + feature.get('village') + "</td></tr>";
admin += "<tr><td><b>code</b></td><td>:</td><td>" + feature.get('field2') + "</td></tr>";
$("#Identifier").html(schooladmin);
$("#Identifier").dialog('open');
schooladmin += "</table>";
}
});
你怎麼聲明圖層??????它們是什麼樣的層次?他們都有一個適當的來源附加他們嗎?最好做一個小提琴來演示你的情況 – pavlos