[英]How to Plot Markers on leaflet map
我能夠以json格式從數據庫中獲取數據,目前我可以在控制台中看到數據,所以我的問題是如何繪制使用此Ajax調用檢索到的經緯度的標記。
我如何獲得功能成功的標記
$(document).ready(function () {
$(function () {
var pData1 = [];
var jsonData = JSON.stringify({ pData1: pData1 });
// var jsonArray = JSON.parse(JSON.stringify(jsonData));
$.ajax({
type: "POST",
url: "map.aspx/getCityPopulation2",
data: jsonData,
contentType: "application/json; charset=utf-8",
dataType: "json",
success: OnSuccess,
});
function OnSuccess(response) {
console.log(response.d)
}
最簡單的方法是有一個循環遍歷標記並將其添加到地圖的循環
一個有效的示例在這里http://codepen.io/hkadyanji/pen/BLyYYY
//select the div that holds the map object
var mymap = document.querySelector("#map")
// ... initialize the leaflet map as expected -> such as adding a tile layer
//a function to add the markers to the map
//you will call this function passing the resulting array from
//the ajax call as the parameter
function addToMap(locationArray){
//iterates through the array object called from the server
[].forEach.call(locationArray, function(location){
var marker = L.marker([location.lat, location.lng]).addTo(mymap);
//you can even add a custom popup for the individual marker
//marker.bindPopup("custom pop up content goes here").openPopup();
}
}
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