谷歌地图添加标记与AJAX

所以我读了一堆关于闭包问题，我假设这是什么，但我不知道如何解决它。谷歌地图添加标记与AJAX

问题：基本上，我只得到1标记，我假设是因为我使用相同的“标记”变量？但我不确定，也没有看到解决问题的简单解决方案。我确信有一些显而易见的事情，我会喜欢一个真正了解Javascript的人的手，而不是那些直到我得到我需要的结果的人。

谢谢！

<script> 
var geocoder; 
var map; 
var markersArray = []; 
var plocation = []; 

function initialize() { 
geocoder = new google.maps.Geocoder(); 
var latlng = new google.maps.LatLng(39.50, -98.35); 
var myOptions = { 
    zoom: 4, 
    center: latlng, 
    mapTypeId: google.maps.MapTypeId.ROADMAP 
} 

map = new google.maps.Map(document.getElementById("map_canvas"), myOptions); 
} 

function codeAddress() { 
    //Delete Existing Markers 
    clearOverlays(); 
    deleteOverlays(); 
    //Geocode and Add the New One + Results. 
    var address = document.getElementById("address").value; 
    geocoder.geocode({ 'address': address}, function(results, status) { 
    if (status == google.maps.GeocoderStatus.OK) { 
     map.setCenter(results[0].geometry.location); 
     //add the center marker 
     var patientslocation =results[0].geometry.location; 
     addMarker(patientslocation, "Patient"); 
     //Zoom in on the Region. 
     map.setZoom(10); 
     //Call to Our API 
     $.getJSON("map/search", { provider_type: "01", loc: '"'+patientslocation+'"' },function(data) { 
      //Parse Results 
      var htmlstring = ""; 
      var arraylength = data.length-1; 
      console.log("Result Count (base 0): "+arraylength) 
      $(data).each(function(i,val){ 

       //Build HTML String for Side Bar 
       if (val.name){ 
        htmlstring = htmlstring + "<h3>"+val.name+"</h3>"; 
       } 
       if (val.address){ 
        htmlstring = htmlstring + val.address +"<br/>"; 
       } 
       if (val.phone){ 
        htmlstring = htmlstring +val.phone +"<br/>"; 
       } 
       //Build HTML Strings for Each Marker Hover 

       //Load the Array of Markers 
       plocation[i] = new google.maps.LatLng(val.lat, val.lng); 
       console.log(i +" : " +plocation[i]); 

       if(i === arraylength){ 
        console.log("Load plocations called") 
        load_plocations(); 
       } 
      }); 
      $('#prov_list').html(htmlstring); 

     }); 

} else { 
    alert("Geocode was not successful for the following reason: " + status); 
} 
}); 
} 

function load_plocations(){ 
    $(plocation).each(function(k,v){ 
     console.log("Calling AddMarker: "+v) 
     addMarker(v,k); 
    }); 
} 

function addMarker(location, name) { 
    console.log("Adding Marker: "+location) 
    marker = new google.maps.Marker({ 
     position: location, 
     map: map 
    }); 
    markersArray.push(marker); 
} 
//Clears the Markers from the map. 
function clearOverlays() { 
    console.log("Clearing Overlays"); 
    if (markersArray) { 
     for (i in markersArray) { 
      markersArray[i].setMap(null); 
     } 
    } 
} 

// Deletes all markers in the array by removing references to them 
function deleteOverlays() { 
    console.log("Deleting Overlays"); 
    if (markersArray) { 
     for (i in markersArray) { 
      markersArray[i].setMap(null); 
     } 
     markersArray.length = 0; 
    } 
}

来源

2012-07-05 DiscontentDisciple