我在与JSON和jQuery斗争，所以我希望得到一些帮助来弄清楚我做错了什么。我正在尝试使用Google Map API绘制一系列标记，为其提供JSON数据，并对标记进行聚类。这是我的代码：
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Cluster Map</title>
<script src="http://maps.google.com/maps/api/js?sensor=false" type="text/javascript"></script>
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js"></script>
<script src="http://google-maps-utility-library-v3.googlecode.com/svn/trunk/markerclusterer/src/markerclusterer.js" type="text/javascript"></script>
<style>
body{
padding:0;
margin:0;
font: .8em Verdana, Arial, Tahoma, sans-serif;
}
#map{
height:750px;
width:100%;
}
#map-container {
padding: 6px;
border-width: 1px;
border-style: solid;
border-color: #ccc #ccc #999 #ccc;
-webkit-box-shadow: rgba(64, 64, 64, 0.5) 0 2px 5px;
-moz-box-shadow: rgba(64, 64, 64, 0.5) 0 2px 5px;
box-shadow: rgba(64, 64, 64, 0.1) 0 2px 5px;
width: 98%;
}
.map-compact{
max-width:700px;
max-height:500px;
border: 2px solid #ccc;
}
.map-container-compact{
max-width:705px;
}
</style>
<script type="text/javascript">
var map;
var markers = [];
var infowindow = new google.maps.InfoWindow();
var locations = [
[1176,47.7771162,-116.7955848],
[1179,43.611205,-116.206492],
[1180,43.6468282,-116.266549],
[1184,42.859824,-112.443284],
[1185,43.5956343,-114.3457667],
[1187,42.944591,-115.311806],
[1190,45.1752265,-113.8929893],
[1194,43.5221362,-114.3172418],
[1195,43.644232,-116.26701],
[1196,47.7121524,-116.8032732],
[1199,43.558423,-116.769645],
[1204,43.4664344,-116.6676954],
[1209,43.622482,-116.226826],
[1212,47.6744292,-116.7838873],
[1224,47.7032104,-116.7834193],
[1225,46.4176913,-116.9870599],
[1232,43.6872404,-114.3682851],
[1237,43.6851259,-114.3669669],
[1240,43.6421036,-116.2081372],
[1243,47.7187013,-116.8942952],
[1253,42.965614,-115.443908],
[1261,43.625014,-116.246915],
[1268,43.596615,-116.718836],
[1271,47.701837,-116.834145],
[1280,47.655409,-117.015739],
[1283,47.712077,-116.799549],
[1290,43.647386,-116.224156],
[1295,44.9089252,-116.0975693],
[1297,43.5997326,-111.1112745],
[1298,43.578648,-116.78627],
[1299,46.4265572,-117.0083975],
[1302,43.632576,-116.275534],
[1314,43.6176412,-116.2141481],
[1322,48.2954435,-116.5473894],
[1323,42.7127802,-114.8553122],
[1324,42.5874904,-114.8099088],
[1325,43.671069,-116.402881],
[1327,42.351836,-114.301682],
[1328,44.5049268,-114.2355923],
[1329,44.7292708,-116.4377118],
[1330,42.8588884,-112.447434],
[1331,44.0751148,-116.9350504],
[1332,43.579099,-116.558992],
[1333,43.647544,-116.27344],
[1334,42.5763726,-114.4602915],
[1335,44.0644155,-116.9293831],
[1336,44.4930619,-116.01261],
[1337,42.5561028,-114.4682842],
[1338,44.2466996,-116.9581766],
[1339,42.5708601,-113.7339578],
[1340,43.6163922,-116.2027668],
[1342,43.5866989,-116.5393165],
[1343,42.7727802,-114.7040982],
[1344,42.537814,-113.794064],
[1345,43.6675249,-116.6816121],
[1346,43.675614,-116.912361],
[1347,43.686977,-114.371952],
[1348,42.7242128,-114.5199076],
[1355,43.616294,-116.2026919],
[1357,44.0754797,-116.9348668],
[1358,43.58822,-116.793204],
[1359,42.564691,-114.604884],
[1360,43.6697562,-116.6986001],
[1361,43.4644302,-114.2617445],
[1364,43.620536,-116.232213],
[1365,43.6809347,-114.3644168],
[1366,42.864466,-112.444164],
[1367,42.9310678,-114.4096664],
[1368,42.406315,-113.5783814],
[1369,43.5776876,-116.193464],
[1370,46.4875605,-115.7989265],
[1371,42.894036,-112.441027],
[1373,37.8551833,-96.8499825],
[1374,43.621254,-116.285467],
[1375,46.7326183,-117.0246528],
[1376,43.596208,-116.390291],
[1377,43.593472,-116.587311],
[1378,43.608995,-116.197508],
[1379,43.9002355,-116.20344],
[1381,43.9746177,-116.90268],
[1382,43.6805409,-114.3640766],
[1383,43.607763,-116.603533],
[1384,43.498837,-112.001354],
[1385,42.5898024,-114.4601416],
[1386,42.0130058,-111.8015388],
[1387,43.5900814,-116.2671316],
[1388,44.7259041,-116.4394012],
[1389,42.5631093,-114.4388847],
[1390,43.6338961,-116.2709102],
[1392,43.634165,-116.646771],
[1393,43.8734348,-116.5000284],
[1394,42.6156871,-113.6720916],
[1397,43.9661111,-111.6844444],
[1398,43.5983945,-116.2136108],
[1399,43.5111207,-112.0161224],
[1400,46.7330816,-117.0148976],
[1401,42.548872,-114.450706],
[1402,42.537649,-113.780903],
[1403,43.6000219,-116.1933486],
[1405,42.0941018,-111.876875],
[1406,45.753452,-116.315653],
[1407,43.6918859,-116.489992],
[1408,46.4237243,-117.0009021],
[1409,43.5900634,-116.2658883],
[1410,44.7311353,-116.1028401],
[1411,43.588323,-116.529529],
[1412,43.669416,-116.67992],
[1413,43.8376004,-111.7781019],
[1414,43.2198791,-112.3421011],
[1415,42.8254335,-114.4335266],
[1416,44.5147255,-111.2996359],
[1417,43.630866,-116.202995],
[1418,43.9037116,-116.9243264],
[1419,42.550021,-114.478571],
[1420,43.5760239,-116.274629],
[1421,42.7241673,-114.5288892],
[1422,43.9132029,-113.6144736],
[1423,43.467522,-112.003148],
[1424,43.6918329,-116.4645991],
[1425,43.6022386,-116.2371153],
[1426,42.854228,-112.442169],
[1428,42.9458958,-112.4665155],
[1429,42.9250836,-114.9684632],
[1430,43.566832,-116.5641797],
[1432,43.679547,-111.906763],
[1433,43.612178,-116.39125],
[1434,43.691227,-116.334667],
[1436,43.48318,-112.056229],
[1437,43.604975,-116.397312],
[1438,43.6217852,-116.2186593],
[1439,43.5930729,-116.193949],
[1442,43.6043259,-116.2434629],
[1443,46.3897613,-116.9890981],
[1444,43.6664249,-116.692909],
[1446,43.5642228,-116.5728247],
[1449,43.633387,-116.253689],
[1450,42.2298678,-111.2634005],
[1451,43.1877135,-112.3446804],
[1452,48.2402072,-116.8935579],
[1453,43.8252487,-111.7895072],
[1454,42.7241217,-114.5242275],
[1455,48.2760802,-116.551992],
[1456,43.5961209,-116.193083],
[1457,42.8649244,-112.4459673],
[1458,43.1919721,-112.3414596],
[1459,43.6647663,-116.6905536],
[1461,43.6516862,-116.6712311],
[1462,43.579161,-116.172769],
[1463,43.6496695,-116.2797695],
[1464,43.6830057,-114.3643388],
[1467,42.7231549,-114.5174375],
[1468,46.4078053,-117.021797],
[1469,44.9105972,-116.1009361],
[1470,43.5653015,-116.5729968],
[1471,43.616768,-116.930722],
[1473,42.542717,-113.7932431],
[1474,42.6684043,-113.6011401],
[1475,42.544867,-113.793648],
[1476,42.537811,-113.79627],
[1479,43.4885245,-116.4057607],
[1480,43.611487,-116.5932059],
[1481,42.526298,-113.792321],
[1482,43.583243,-116.556939],
[1484,43.6145361,-116.2013916],
[1485,42.5780886,-114.4603468],
[1486,43.6680225,-116.6810506],
[1487,46.1403174,-115.9788537],
[1488,43.1311579,-115.692717],
[1489,46.3777343,-116.9719947],
[1490,43.6462179,-116.95169],
[1492,46.7335277,-117.0013502],
[1494,43.687671,-116.35495],
[1495,48.274166,-116.5477179],
[1497,43.5792901,-116.5594101],
[1498,45.9268143,-116.128407],
[1499,42.5336322,-114.364631],
[1501,43.5902492,-116.3128768],
[1502,46.7376573,-117.0015188]
];
function initialize() {
geocoder = new google.maps.Geocoder();
var center = new google.maps.LatLng(43.474144,-112.03866);
map = new google.maps.Map(document.getElementById('map'), {
zoom: 7,
center: center,
mapTypeId: google.maps.MapTypeId.ROADMAP
});
markMultiple();
}
function markMultiple(){
//$.getJSON('test.json', function(data) {
// $.each(data, function() {
// var latLng = new google.maps.LatLng(data.lat,data.lng);
// var content = data.id + ':' + data.lat + ',' + data.lng;
// markMap(latLng, content);
// });
//});
for (var i = 0; i < locations.length; i++) {
var loc = locations[i];
var latLng = new google.maps.LatLng(loc[1],loc[2]);
var content = loc[0] + ":" + loc[1] + "," + loc[2];
markMap(latLng, content);
}
var markerCluster = new MarkerClusterer(map, markers);
}
function markMap(position, content){
var marker = new google.maps.Marker({
position: position
});
google.maps.event.addListener(marker, 'click', function() {
infowindow.setContent(content);
infowindow.open(map, marker);
});
markers.push(marker);
}
google.maps.event.addDomListener(window, 'load', initialize);
</script>
</head>
<body>
<div id="map-container">
<div id="map"></div>
</div>
</body>
</html>
当我使用本地数组时，它工作正常。我正在努力工作的是注释代码。 json文件与我的页面位于同一目录中。我用jsonlint.com验证了我的json。
这是JSON：
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答案 0 :(得分：1)
问题是你的$.each()循环。您正在访问外部数据阵列而不是您正在使用的对象：
$.each(data, function(i, obj) {
var latLng = new google.maps.LatLng(obj.lat,obj.lng);
var content = obj.id + ':' + obj.lat + ',' + obj.lng;
markMap(latLng, content);
});