Google maps Google maps API v3 MarkerCluster未执行群集

我正在使用GoogleMapV3API为一个项目的自定义网站编写自定义地图

目前，我有一堆分散的标记，因为有100多个标记，我更愿意将它们放在MarkerCluster中，但是当查看许多教程和已经提出的问题时，我已经设法让自己现在要么我的所有标记消失，要么只有1个显示，而当缩放其他标记时，其他标记不会出现

这是我第一次使用GoogleAPI，所以一切对我来说都是全新的，非常感谢您的帮助

    <script type="text/javascript" src="http://maps.googleapis.com/maps/api/js?key=AIzaSyDINxXHHp6_arevhHdyZZ5W3ty0mEWjzd4&sensor=true">
    </script>
    <script type="text/javascript" src="http://google-maps-utility-library-v3.googlecode.com/svn/trunk/markerclusterer/src/markerclusterer.js"></script>
    <script type="text/javascript">
    //declare map and map type (zoom level and where to centre the map on loading)
function initialize() {
  var mapOptions = {
    zoom: 17,
    panControl: true,
    zoomControl: true,
    mapTypeControl: true,
    scaleControl: true,
    streetViewControl: true,
    overviewMapControl: true,
    draggable: true,
    center: new google.maps.LatLng(53.403938,-2.987954),
    mapTypeId: google.maps.MapTypeId.HYBRID
  }

  var map = new google.maps.Map(document.getElementById("map_canvas"),
                                mapOptions);


   var mcOptions = {gridSize: 50, maxZoom: 25};
  setMarkers(map, wifimaplocation);


}


var wifimaplocation = [
  ['BT Openzone Business Hub', 53.410133,-2.980967, 4],
  ['BT Openzone Business Hub 2', 53.410581,-2.98513, 5],
  ['BT Openzone Business Hub 3', 53.410341,-2.986254, 3],
  ['Wireless Outdoor Coverage (L1 6ER)', 53.408816,-2.983669, 2],
  ['Yates Bros Wine Lodge', 53.407319,-2.98397, 1],
  ['BT Openzone Business Hub 4', 53.408373,-2.982217, 6],
  ['BT Openzone Business Hub 5', 53.408926,-2.983751, 7],
  ['Liverpool Marriot Hotel',53.408926,-2.983751, 8],
  ['Wireless Outdoor Coverage (L1 1 St Johns Lane', 53.408563,-2.982344, 9],
  ['Wireless Outdoor Coverage (L1 1 Roe St)', 53.407407,-2.981337, 10],
  ['BT Openzone Business Hub 6', 53.40701,-2.981944, 11],
  ['McDonald&#39s St Johns Precinct', 53.407121,-2.980573, 12],
  ['BT Openzone Business Hub 7', 53.406705,-2.980839, 13],
  ['BT Openzone Business Hub 8', 53.406859,-2.980066, 14],
  ['Network Rail - Liverpool Lime Street', 53.408688,-2.9788, 15],
  ['Wetherspoons', 53.405942,-2.979522, 16],
  ['Crown', 53.406484,-2.978754, 17],
  ['BT Openzone Business Hub 9', 53.406574,-2.978513, 18],
  ['BT Openzone Business Hub 10', 53.406574,-2.978513, 19],
  ['BT Openzone Business Hub 11', 53.406488,-2.978749, 20],
  ['Wireless Outdoor Coverage (L3 5 Bolton St)', 53.405898,-2.97773, 21],
  ['BT Openzone Business Hub 12', 53.408026,-2.977398, 22],
  ['Wireless Outdoor Coverage (Skelhorne St)', 53.416157,-2.988889, 23],
  ['McDonald&#39s (Ranelagh Street)', 53.404594,-2.977877, 24],
  ['Wireless Outdoor Coverage (Renshaw St)', 53.404639,-2.977296, 25],
  ['Wetherspoons', 53.405183,-2.980989, 26],
  ['BT Openzone Business Hub 13', 53.405339,-2.979956, 27],
  ['BT Openzone Business Hub 14', 53.404869,-2.97993, 28],
  ['BT Openzone Business Hub 15', 53.403862,-2.979275, 29],
  ['Brew Tea Bar', 53.403862,-2.979275, 30],
  ['Starbucks Coffee', 53.404054,-2.980643, 31],
  ['BT Openzone Business Hub 16', 53.404054,-2.980643, 32],
  ['Office (Holmes Building Wood Street)', 53.404223,-2.981673, 33],
  ['BT Openzone Business Hub 17', 53.403512,-2.980543, 34],
  ['Djandos-Riff', 53.403512,-2.980543, 35],
  ['Bar Liverpool Ltd', 53.403512,-2.980543, 36],
  ['O Neills', 53.404174,-2.981809, 37],
  ['BT Openzone Business Hub 18', 53.405538,-2.98094, 38],
  ['Currys/PC World', 53.404789,-2.982451, 39],
  ['BT Pay Phone (Church Street)', 53.405506,-2.982687, 40],
  ['BT Openzone Business Hub 19', 53.406759,-2.98384, 41],
  ['BT Openzone Business Hub 20', 53.406686,-2.984221, 42],
  ['BT Openzone Business Hub 21', 53.406775,-2.98454, 43],
  ['Cafe Nero', 53.407034,-2.98483, 44],
  ['Ice', 53.406795,-2.98491, 45],
  ['BT Openzone Business Hub 22', 53.406142,-2.984355, 46],
  ['WiFi Pod Office', 53.402954,-2.984422, 47],
  ['BT Openzone Business Hub 23', 53.403424,-2.984184, 48],
  ['BT Openzone Business Hub 24', 53.404203,-2.984097, 49],
  ['BT Openzone Business Hub 25', 53.404697,-2.985109, 50],
  ['BT Openzone Business Hub 26', 53.403798,-2.985541, 51],
  ['BT Openzone Business Hub 27',53.406863,-2.98583, 52],
  ['McDonalds', 53.405218,-2.986485, 53],
  ['WELKIN (Wetherspoons)', 53.405998,-2.985895, 54],
  ['BT Openzone Business Hub 28', 53.405237,-2.98648, 55],
  ['BT Openzone Business Hub 29', 53.405741,-2.986495, 56],
  ['1Pco Lord Street Liverpool', 53.405183,-2.98649, 57],
  ['BT Openzone Business Hub 30', 53.405132,-2.987064, 58],
  ['BT Openzone Business Hub 31', 53.403868,-2.987311, 59],
  ['BT Openzone Business Hub 32', 53.403894,-2.98648, 60],
  ['Liverpool Moat House', 53.401345,-2.985981, 61],
  ['Wireless Outdoor Coverage (Paradise Street)', 53.401345,-2.985981, 62],
  ['Starbucks 2', 53.402583,-2.986039, 63],
  ['John Lewis', 53.402963,-2.986796, 64],
  ['BT Openzone Business Hub 33', 53.402986,-2.98442, 65],
  ['Cafe Nero', 53.404462,-2.984958, 66],
  ['BT Openzone Business Hub 34', 53.406296,-2.99516, 67],
  ['BT Openzone Business Hub 35', 53.404654,-2.991283, 68],
  ['Wireless Outdoor Coverage (James Street)', 53.404654,-2.991283, 69],
  ['BT Openzone Business Hub 36', 53.405285,-2.99319, 70],
  ['BT Openzone Business Hub 37', 53.405608,-2.99139, 71],
  ['BT Openzone Business Hub 38', 53.405682,-2.991801, 72],
  ['Brunswick Street', 53.40619,-2.992869, 73],
  ['Wireless Outdoor Coverage (Brunswick Street)', 53.40619,-2.992869, 74],
  ['Heywood House Hotel', 53.406695,-2.988615, 75],
  ['BT Openzone Business Hub 39', 53.406657,-2.990288, 76],
  ['BT Openzone Business Hub 40', 53.408013,-2.988277, 77],
  ['BT Openzone Business Hub 41', 53.408262,-2.98766, 78],
  ['Premier Inn - Liverpool City Centre', 53.409174,-2.988051, 79],
  ['BT Openzone Business Hub 42', 53.409295,-2.987504, 80],
  ['BT Openzone Business Hub 43', 53.409577,-2.988051, 81],
  ['BT Openzone Business Hub 44', 53.409922,-2.987174, 82],
  ['Liverpool - Hatton Garden / Tithebarn Street', 53.410632,-2.987276, 83],
  ['BT Openzone Business Hub 45', 53.410302,-2.98627, 84],
  ['Wireless Outdoor Coverage - Liverpool (Hatton Garden)', 53.410302,-2.98627, 85],
  ['BT Openzone Business Hub 46', 53.410993,-2.986823, 86],
  ['BT Openzone Business Hub 47', 53.410542,-2.985216, 87],
  ['Brunswick Vaults', 53.410376,-2.989443, 88],
  ['BT Openzone Business Hub 48', 53.410168,-2.98884, 89],
  ['BT Openzone Business Hub 49', 53.410389,-2.989615, 90],
  ['BT Openzone Business Hub 50', 53.408943,-2.990245, 91],
  ['Railway', 53.408969,-2.990422, 92],
  ['BT Openzone Business Hub 51', 53.408787,-2.991678, 93],
  ['BT Openzone Business Hub 52', 53.408774,-2.994178, 94],
  ['BT Openzone Business Hub 53', 53.405682,-2.978199, 95],
  ['Brew Tea Bar', 53.410159,-2.993776, 96],
  ['BT Openzone Business Hub 54', 53.410159,-2.993776, 97],
  ['Cross Keys Public House', 53.409916,-2.993743, 98],
  ['BT Openzone Business Hub 55', 53.404812,-2.977298, 99],
  ['BT Openzone Business Hub 56', 53.404313,-2.976676, 100],
  ['BT Openzone Business Hub 57', 53.404697,-2.976611, 101],
  ['stayCity Liverpool Mount Pleasant', 53.405183,-2.976314, 102],
  ['BT Openzone Business Hub 58', 53.405132,-2.976547, 103],
  ['BT Openzone Business Hub 59', 53.404275,-2.973522, 104],
  ['BT Openzone Business Hub 60', 53.404646,-2.972556, 105],
  ['BT Openzone Business Hub 61', 53.404518,-2.972341, 106],
  ['BT Openzone Business Hub 62', 53.404607,-2.971161, 107],
  ['Wireless Outdoor Coverage (Brownlow Hill)', 53.403878,-2.97129, 108],
  ['BT Openzone Business Hub 63', 53.40526,-2.967471, 109],
  ['Starbucks', 53.41154,-2.965196, 110],
  ['BT Openzone Business Hub 64', 53.410888,-2.967041, 111],
  ['Liverpool - London Road', 53.409455,-2.97659, 112],
  ['BT Openzone Business Hub 65', 53.41012,-2.969573, 113],
  ['Wireless Outdoor Coverage (Pembroke Place)', 53.409238,-2.971505, 114]




];

function setMarkers(map, locations) {
  // Add markers to the map

  // Marker sizes are expressed as a Size of X,Y
  // where the origin of the image (0,0) is located
  // in the top left of the image.

  // Origins, anchor positions and coordinates of the marker
  // increase in the X direction to the right and in
  // the Y direction down.
  var infowindow = new google.maps.InfoWindow();
   var image = new google.maps.MarkerImage('image.png',
  //     // This marker is 20 pixels wide by 32 pixels tall.
       new google.maps.Size(40, 35),
  //     // The origin for this image is 0,0.
      new google.maps.Point(0,0),
  //     // The anchor for this image is the base of the flagpole at 0,32.
       new google.maps.Point(0, 0));
   var shadow = new google.maps.MarkerImage('shadow.png',
  //     // The shadow image is larger in the horizontal dimension
  //     // while the position and offset are the same as for the main image.
       new google.maps.Size(62, 35),
       new google.maps.Point(0,0),
       new google.maps.Point(0, 0));
  //     // Shapes define the clickable region of the icon.
  //     // The type defines an HTML <area> element 'poly' which
  //     // traces out a polygon as a series of X,Y points. The final
  //     // coordinate closes the poly by connecting to the first
  //     // coordinate.
  var shape = {
      coord: [1, 1, 1, 20, 18, 20, 18 , 1],
      type: 'poly'
  };



  for (var i = 0; i < wifimaplocation.length; i++) {
    var wifi = wifimaplocation[i];
    var myLatLng = new google.maps.LatLng(wifi[1], wifi[2], wifi[3]);
    var marker = new google.maps.Marker({
        position: myLatLng,
        map: map,
        shadow: shadow,
        icon: image,
        shape: shape,
        title: wifi[0],
        zIndex: wifi[3]

    });

    markers.push(wifimaplocation);


   var mc = new MarkerCluster(map, mcOptions, wifimaplocation);

    google.maps.event.addListener(marker, 'click', (function(marker, i) {
      return function() {
        infowindow.setContent(wifimaplocation[i][0]);
        infowindow.open(map, marker);
      }
    })(marker, i));


}
  }

//声明地图和地图类型（缩放级别和加载时地图的居中位置）
函数初始化（）{
变量映射选项={
缩放：17，
泛控制：对，
动物控制：对，
mapTypeControl:true，
scaleControl：对，
街景控制：对，
overviewMapControl:true，
真的，
中心：新google.maps.LatLng（53.403938，-2.987954），
mapTypeId:google.maps.mapTypeId.HYBRID
}
var map=new google.maps.map（document.getElementById（“map_canvas”），
地图选项）；
var mcOptions={gridSize:50，maxZoom:25}；
设置标记（地图、wifimaplocation）；
}
var wifimaplocation=[
[BT Openzone Business Hub'，53.410133，-2.980967,4]，
[BT开放区商业中心2'，53.410581，-2.98513,5]，
[BT Openzone商务中心3'，53.410341，-2.986254,3]，
[“无线室外覆盖（L1 6ER）”，53.408816，-2.983669，2]，
['Yates Bros Wine Lodge'，53.407319，-2.98397，1]，
[BT Openzone商务中心4'，53.408373，-2.982217,6]，
[BT Openzone商务中心5'，53.408926，-2.983751,7]，
[利物浦万豪酒店，53.408926，-2.983751,8]，
[“无线室外覆盖（第1街约翰巷L1），53.408563，-2.982344,9]，
[‘无线室外覆盖（L1 1 Roe街）’，53.407407，-2.981337，10]，
[BT开放区商业中心6'，53.40701，-2.981944,11]，
[McDonald和#39s St Johns辖区”，53.407121，-2.980573，12]，
[BT开放区商业中心7'，53.406705，-2.980839,13]，
[BT Openzone商务中心8'，53.406859，-2.980066,14]，
[“英国国营铁路公司-利物浦莱姆街”，53.408688，-2.9788，15]，
[Wetherspoons'，53.405942，-2.979522,16]，
[Crown'，53.406484，-2.978754,17]，
[BT Openzone商务中心9'，53.406574，-2.978513,18]，
[BT开放区商业中心10'，53.406574，-2.978513,19]，
[BT开放区商业中心11'，53.406488，-2.978749，20]，
[“无线室外覆盖（博尔顿街L3 5号）”，53.405898，-2.97773，21]，
[BT开放区商业中心12'，53.408026，-2.977398,22]，
[“无线室外覆盖（斯凯尔霍恩街）”，53.416157，-2.988889，23]，
[McDonald和#39s（Ranelagh街），53.404594，-2.977877，24]，
[无线室外覆盖（伦肖街），53.404639，-2.977296,25]，
[Wetherspoons'，53.405183，-2.980989,26]，
[BT开放区商业中心13'，53.405339，-2.979956,27]，
[BT开放区商业中心14'，53.404869，-2.97993,28]，
[BT开放区商业中心15'，53.403862，-2.979275,29]，
[Brew Tea Bar'，53.403862，-2.979275,30]，
[Starbucks Coffee'，53.404054，-2.980643,31]，
[BT Openzone Business Hub 16'，53.404054，-2.980643,32]，
[Office（Holmes Building Wood Street），53.404223，-2.981673333]，
[BT开放区商业中心17'，53.403512，-2.98054334]，
[Djandos-Riff'，53.403512，-2.980543,35]，
[Bar Liverpool Ltd.，53.403512，-2.980543,36]，
[O Neills'，53.404174，-2.981809,37]，
[BT开放区商业中心18'，53.405538，-2.98094,38]，
[Currys/PC World'，53.404789，-2.982451,39]，
[BT付费电话（教堂街），53.405506，-2.982687，40]，
[BT开放区商业中心19'，53.406759，-2.9838441]，
[BT开放区商业中心20'，53.406686，-2.98422142]，
[BT Openzone Business Hub 21'，53.406775，-2.98454,43]，
[Cafe Nero'，53.407034，-2.98483444]，
[Ice'，53.406795，-2.98491,45]，
[BT Openzone Business Hub 22'，53.406142，-2.98435546]，
[WiFi Pod Office'，53.402954，-2.984422,47]，
[BT Openzone Business Hub 23'，53.403424，-2.984184,48]，
[BT Openzone Business Hub 24'，53.404203，-2.984097,49]，
[BT开放区商业中心25'，53.404697，-2.985109,50]，
[BT Openzone Business Hub 26'，53.403798，-2.98554151]，
[BT开放区商业中心27'，53.406863，-2.9858352]，
[McDonalds'，53.405218，-2.986485,53]，
[WELKIN（Wetherspoons）]53.405998，-2.985895,54]，
[BT Openzone Business Hub 28'，53.405237，-2.98648,55]，
[BT Openzone Business Hub 29'，53.405741，-2.98649556]，
[1Pco利物浦洛德街，53.405183，-2.9864957]，
[BT开放区商业中心30'，53.405132，-2.98706458]，
[BT Openzone Business Hub 31'，53.403868，-2.987311,59]，
[BT Openzone Business Hub 32'，53.403894，-2.98648,60]，
[Liverpool Moat House'，53.401345，-2.98598161]，
[“无线户外覆盖（天堂街）”，53.401345，-2.985981，62]，
[Starbucks 2'，53.402583，-2.986039,63]，
[John Lewis'，53.402963，-2.986796,64]，
[BT开放区商业中心33'，53.402986，-2.9844265]，
[Cafe Nero'，53.404462，-2.984958,66]，
[BT开放区商业中心34'，53.406296，-2.9951667]，
[BT Openzone商务中心35'，53.404654，-2.99128368]，
[“无线室外覆盖（詹姆斯街）”，53.404654，-2.99128369]，
[BT开放区商业中心36'，53.405285，-2.99319,70]，
[BT开放区商业中心37'，53.405608，-2.99139,71]，
[BT Openzone Business Hub 38'，53.405682，-2.991801,72]，
[Brunswick Street'，53.40619，-2.992869,73]，
[“无线室外覆盖（布伦瑞克街）”，53.40619，-2.992869，74]，
['Heywood House Hotel'，53.406695，-2.988615,75]，
[BT开放区商业中心39'，53.406657，-2.99028876]，
[BT开放区商业中心40'，53.408013，-2.988277，77]，
[BT开放区商业中心41'，53.408262，-2.9876678]，
[Premier Inn-利物浦市中心，53.409174，-2.98805179]，
[BT Openzone Business Hub 42'，53.409295，-2.987504,80]，
['BT Openzone商务中心43'，
var mc = new MarkerClusterer(map,markers,mcOptions);