js-百度地图多个标注点是如何实现的

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<div class = "demo_main">

        <fieldset class = "demo_content">

              <div class = "min-height:400px; width:100%;" id = "map"></div>

               <script type = "text/javascript">

                         var markerArr = [

                               {

                                 title: "名称：锦江区门诊部",
                                 point: "104.118821,30.642073",
                                 address: "成都市锦江区通源街188号",
                                 tel: "028-86712080"

                               },

                               {
                                  title: "名称：青羊区门诊部",
                                  point: "104.000092,30.672099",
                                  address: "成都市青羊区春晓路15号 ",
                                  tel: "028-81067120"
                                },
                                {
                                  title: "名称：高新区门诊部",
                                  point: "104.061895,30.556204",
                                  address: "成都市高新区益州大道中段和天府二街交叉口复城国际T3-2号",
                                  tel: "028-81067120"
                                },

                          ];

                            var map; //Map实例 
                            function map_init() {
                                       map = new BMap.Map("map");
//第1步：设置地图中心点，成都市 
                                       var point = new BMap.Point(104.082684, 30.656319);
//第2步：初始化地图,设置中心点坐标和地图级别。 
                                        map.centerAndZoom(point, 13);
//第3步：启用滚轮放大缩小 
                                        map.enableScrollWheelZoom(true);
//第4步：向地图中添加缩放控件 
                                        var ctrlNav = new window.BMap.NavigationControl({
                                              anchor: BMAP_ANCHOR_TOP_LEFT,
                                              type: BMAP_NAVIGATION_CONTROL_LARGE
                                         });
                                         map.addControl(ctrlNav);
//第5步：向地图中添加缩略图控件 
                                          var ctrlOve = new window.BMap.OverviewMapControl({
                                                anchor: BMAP_ANCHOR_BOTTOM_RIGHT,
                                                isOpen: 1
                                            });
                                          map.addControl(ctrlOve);

//第6步：向地图中添加比例尺控件 
                                          var ctrlSca = new window.BMap.ScaleControl({
                                                anchor: BMAP_ANCHOR_BOTTOM_LEFT
                                            });
                                           map.addControl(ctrlSca);

//第7步：绘制点 
                                          for(var i = 0; i < markerArr.length; i++) {
                                                      var p0 = markerArr[i].point.split(",")[0];
                                                      var p1 = markerArr[i].point.split(",")[1];
                                                      var maker = addMarker(new window.BMap.Point(p0, p1), i);
                                                      addInfoWindow(maker, markerArr[i], i);
                                             }
                                     }

 

// 添加标注 
                                            function addMarker(point, index) {
                                                         var myIcon = new BMap.Icon("http://api.map.baidu.com/img/markers.png",
                                                               new BMap.Size(23, 25), {
                                                                        offset: new BMap.Size(10, 25),
                                                                         imageOffset: new BMap.Size(0, 0 - index * 25)
                                                                 });
                                                                var marker = new BMap.Marker(point, {
                                                                      icon: myIcon
                                                                   });
                                                                  map.addOverlay(marker);
                                                                    return marker;
                                                }

 

 

// 添加信息窗口 
                                      function addInfoWindow(marker, poi) {
//pop弹窗标题 
                                            var title = &#39;<div style="font-weight:bold;color:#CE5521;font-size:14px">&#39; + poi.title + &#39;</div>&#39;;
//pop弹窗信息 
                                             var html = [];
                                              html.push(&#39;<table cellspacing="0" style="table-layout:fixed;width:100%;font:12px arial,simsun,sans-serif"><tbody>&#39;);
                                              html.push(&#39;<tr>&#39;);
                                              html.push(&#39;<td style="vertical-align:top;line-height:16px;width:38px;white-space:nowrap;word-break:keep-all">地址:</td>&#39;);
                                              html.push(&#39;<td style="vertical-align:top;line-height:16px">&#39; + poi.address + &#39; </td>&#39;);
                                              html.push(&#39;</tr>&#39;);
                                              html.push(&#39;</tbody></table>&#39;);
                                             var infoWindow = new BMap.InfoWindow(html.join(""), {
                                                     title: title,
                                                     width: 200
                                              });

                                             var openInfoWinFun = function() {
                                                       marker.openInfoWindow(infoWindow);
                                                };
                                           marker.addEventListener("click", openInfoWinFun);
                                                    return openInfoWinFun;
                                             }

 

 

//异步调用百度js 
          function map_load() {
                     var load = document.createElement("script");
                      load.src = "http://api.map.baidu.com/api?v=1.4&callback=map_init";
                      document.body.appendChild(load);
             }
              window.onload = map_load;

                </script>

         </fieldset>

</div>

css：

body { margin: 0; font-family: "Helvetica,Arial,FreeSans"; color: #000000; font-size: 12px; } 
.demo_main { padding: 20px; padding-top: 10px; } 
.demo_title { padding: 10px; margin-bottom: 10px; background-color: #D3D8E0; } 
.demo_content { padding: 10px; margin-bottom: 10px; }

js:

<script src="http://www.w3school.com.cn/jquery/jquery.js" type="text/javascript"></script>

效果图：

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