qqmap 的一些操作

 ;

 var mapcontorl = "mapContainer";
 var fullscreen = false;

 function qqMap(options) {
     var that = this
     , _mapInfowWin = null
     , _newMarker = null
     , _newLabel = null
     , _oldMarker = null
     , _oldLabel = null
     , _allMarkers = []
     , _allLabels = []
     , _drowMarkers = []
     , _clearOldMarker = true
     , _allowDrag = true
     , _map = null
     , _searchService = null
     , _polygon = null
     , _newpolygon = null
     , _anchor = null
     , _offsetSize = null
     , _panoContainerId = null
     , _controlId = null
     , _clickListener = null
     , _rightBound = null
     , _zoom
     , _centerPoint
     , _center
     ,_nearLandPolygons=[]; 

     this.MarkerIconTypes =
     {
         MAP_old: '/Resource/Images/Skin/DPS/MAP_old.png',
         MAP_PIN: '/Resource/Images/Skin/DPS/MAP_PIN.png',
         MAP_PIN_other: '/Resource/Images/Skin/DPS/MAP_PIN_other.png',
         MAP_PIN_grey: '/Resource/Images/Skin/DPS/MAP_PIN_grey.png',
         MAP_PIN_purple: '/Resource/Images/Skin/DPS/MAP_PIN_purple.png'
     };
     this.markerImgPath = {
         centerMarker: "/Resource/Images/Skin/DPS/red-flag.png",                 //中心点图标图片
         preMarker: "/Resource/Images/Skin/DPS/not-sell.png",                    //预公告图标图片(非售)
         notMarker: "/Resource/Images/Skin/DPS/unsold.png",                      //正式公告图标图片(未售)
         nowMarker: "/Resource/Images/Skin/DPS/on-sale.png",                     //已成交公告图标图片(在售)
         outMarker: "/Resource/Images/Skin/DPS/sold-out.png"                     //售馨
     };
     this.arrayObj = new Array();        //创建一个path数组
     this.tuliId = null;                 //图例DivId
     this.centerText = "当前土地位置";   //画圆中心点文字
     this.OldPoint = options.OldPoint;                                           //旧位置
     this.oldPath = options.oldPath;                                             //旧的多边形
     this.Radius = 1000;

     _panoContainerId = options.panoContainerId == null ? "panoContainer" : options.panoContainerId;
     _controlId = options.controlId == null ? "mapContainer" : options.controlId;
     _zoom = options.zoom ? options.zoom : 12;
     _centerPoint = Array.FindByPropertyValue(top.DictionaryCache.City, "Id", top.Cache.cityId, false).CityCenter;
     _center = new qq.maps.LatLng("30.649821", "104.06697");
     if (_centerPoint) {
         _centerPoint = _centerPoint.replace('[', '').replace(']', '').split(',');
         _center = new qq.maps.LatLng(_centerPoint[0], _centerPoint[1]);
     };

     //地图div
     mapcontorl = _controlId;

     //初始化加载
     _init();

     //重新加载地图
     this.IntMap = function() {
         _clearOverlays(_allMarkers);
         _clearOverlays(_allLabels);
         _clearMarkerOrPolygon();
         var point = new qq.maps.LatLng(that.OldPoint.Lat, that.OldPoint.Lng);
         _oldMarker = _addMarker(that.OldPoint.Lat, that.OldPoint.Lng, true, "/Resource/Images/Skin/DPS/MAP_PIN.png", 17, 28);
         //旧位置不允许拖动
         _oldMarker.draggable = false;
         _oldLabel = _addLabel(that.OldPoint.Lat, that.OldPoint.Lng, "旧位置");
         if (that.arrayObj && that.arrayObj.length) {
             //拖动坐标点
             _moveMarker();
         }
         if (_newMarker) {
             _newMarker.setMap(null);
             _newLabel.setMap(null);
         }
         if (that.oldPath) {
             _polygon = new qq.maps.Polygon({
                 clickable: true,
                 editable: true,
                 strokeColor: "#0066CC",
                 strokeWeight: 1,
                 strokeDashStyle: "solid",
                 fillColor: qq.maps.Color.fromHex("#0066CC", 0.2),
                 map: _map
             });
             for (var i = 0; i < that.oldPath.length; i++) {
                 //多边形每个角添加一个坐标点
                 var point = new qq.maps.LatLng(that.oldPath[i].lat, that.oldPath[i].lng);
                 _addDrowMarker(point);
             }
         }
     };

     //获取地图范围
     this.getBound = function() {
         return _resetBounds();
     };

     /*
     * 在地图绘制标记
     * data: 数据源(包含每个marker数据的对象数组)
     * 每个marker对象数据格式:
     *   lat(必需),
     *   lng(必需),
     *   labelContent(非必需:marker label的html),
     *   MarkerIconTypes(非必需:qqMaps实例上具有该字典)
     *   polygonPath(非必需:描绘多边形的点数组)
     *
     *  Liuning  41161885@qq.com
     */
     this.addAroundPro = function (data) {

         this.clearNearLandMarkerObjs();

         for (var i = 0, len = data.length; i < len; i++)
         {
             var marker,
                 label,
                 polyon,
                 o = data[i];

             //添加marker lable
             label = _addLabel(
                 o.lat,
                 o.lng,
                 (o.labelContent || null)
             );
             _allLabels.push(label);

             //绘制周边土地多边形
             if (o.polygonPath) {
                 polyon = _drawNearLandPolygon(o.polygonPath);
                 _nearLandPolygons.push(polyon);
             };

             //添加marker
             marker = _addMarker(
                 o.lat,
                 o.lng,
                 false,
                 (o.MarkerIconTypes || that.MarkerIconTypes.MAP_PIN_other),
                 17,
                 28,
                 false
             );
             _allMarkers.push(marker);
         };
     };

     /*
     *清除地图上的多边形(周边公告土地/周边预公告土地)
     */
     this.clearNearLandMarkerObjs = function ()
     {
         _clearOverlays(_allMarkers);
         _clearOverlays(_allLabels);
         _clearNearLandPolygon();
     };

     //清除周边项目
     this.clearPro = function () {
         _clearOverlays(_allMarkers);
         _clearOverlays(_allLabels);
     };

     //地图搜索（keywordId代表输入的关键字）
     this.getResult = function (keywordId) {
         //设置searchRequest
         var poiText = document.getElementById(keywordId).value;
         _searchService.setLocation(Array.FindByPropertyValue(top.DictionaryCache.City, "Id", top.Cache.cityId, false).CityName);
         _searchService.search(poiText);
     };

     //地图标点
     this.mapClick = function (GetGeomInfo) {
         _clearOldMarker = false;
         _clearNewMarkerPolygon();
         _newpolygon = null;

         //移除画图事件
         if (_clickListener) {
             qq.maps.event.removeListener(_clickListener);
         }

         _map.setOptions({ "draggableCursor": "/Resource/Images/Skin/DPS/select.cur", "draggingCursor": "/Resource/Images/Skin/DPS/select.cur" });
         _clickListener = qq.maps.event.addListener(_map, 'click', function (e) {
             var p = {};
             p.lat = e.latLng.lat;
             p.lng = e.latLng.lng;

             if (_newMarker) {
                 var nowpoint = new qq.maps.LatLng(e.latLng.lat, e.latLng.lng);
                 _newMarker.setPosition(nowpoint);
                 _newLabel.setPosition(nowpoint);
                 _newMarker.setMap(_map);
                 _newLabel.setMap(_map);
             }
             else {
                 _newMarker = _addMarker(e.latLng.lat, e.latLng.lng, false, "/Resource/Images/Skin/DPS/MAP_old.png", 17, 28);
                 _newLabel = _addLabel(e.latLng.lat, e.latLng.lng, "新位置");
             }

             //拖动坐标点
             qq.maps.event.addListener(_newMarker, 'position_changed', function (e) {
                 _newLabel.setPosition(_newMarker.position);
             });

             qq.maps.event.addListener(_newMarker, "dragend", function (e) {
                 GetGeomInfo(e.latLng);
             });

             //如果需要处理根据坐标的查询对应的板块等基本信息（GetGeomInfo为页面方法）
             if (GetGeomInfo) {
                 GetGeomInfo(p);
             }
         });
     };

     this.ClearAllFlagsOnMap = function () {
         _clearMarkerOrPolygon();
     };

     //画多边形
     this.drawPolygon = function () {
         _clearNewMarkerPolygon();
         that.arrayObj = new Array();
         _map.setOptions({ "draggableCursor": "hand" });

         _newpolygon = new qq.maps.Polygon({
             clickable: true,
             editable: true,
             strokeColor: "#0066CC",
             strokeWeight: 1,
             strokeDashStyle: "solid",
             fillColor: qq.maps.Color.fromHex("#0066CC", 0.2),
             map: _map
         });

         //移除画图事件
         if (_clickListener) {
             qq.maps.event.removeListener(_clickListener);
         }

         _clickListener = qq.maps.event.addListener(_map, "click", function (e) {
             var point = new qq.maps.LatLng(e.latLng.getLat(), e.latLng.getLng());
             _addDrowMarker(point, _clickListener, _newpolygon);
         });
     };

     //显示圆
     this.drawCircle = function (params) {
         try {
             if (hasCenter) {
                 if (!hasCenter) {
                     that.centerText = "";
                 }
             }
         } catch (e) {

         };
         _center = new qq.maps.LatLng(that.OldPoint.Lat, that.OldPoint.Lng);
         var circle = new qq.maps.Circle({
             map: _map,
             center: _center,
             radius: that.Radius,
             radius: 1000,
             strokeColor: "#0066CC",
             strokeWeight: 1,
             strokeDashStyle: "solid",
             fillColor: qq.maps.Color.fromHex("#0066CC", 0.2)
         });
         _oldMarker.setMap(null);
         _oldLabel.setMap(null);
         _allowDrag = false;
         _anchor = new qq.maps.Point(5, 45);
         //中心坐标
         _map.setCenter(_center);
         var centerMarker = _addMarker(_center.lat, _center.lng, true, "/Resource/Images/Skin/DPS/red-flag.png", 42, 53);
         _offsetSize = new qq.maps.Size(-35, 2);
         var clabel = _addLabel(_center.lat, _center.lng, "<span style='color:red;'>" + that.centerText + "</span>");
         if (params && (params.UseAreaMu || params.LLandUseType)) {
             centerMarker.setTitle("净用地面积：" + params.UseAreaMu + "亩,土地用途分类:" + params.LLandUseType);
         }
         //绘制圆半径
         _rightBound = new qq.maps.LatLng(_center.getLat(), circle.getBounds().getNorthEast().getLng());
         var polyline = new qq.maps.Polyline({
             path: [_center, _rightBound],
             strokeWeight: 1,
             editable: false,
             map: _map
         });
         //显示半径文字
         _offsetSize = null;
         var label = _addLabel(_rightBound.lat, _rightBound.lng, "1000米");
         qq.maps.event.addListener(label, 'mouseover', function (e) {
             _map.setOptions({ "draggableCursor": "hand" });
         });
         //最右边的点
         _anchor = null;
         _allowDrag = true;
         var rightMarker = _addMarker(_rightBound.lat, _rightBound.lng, false, "http://s.map.soso.com/themes/default/img/dot.png?v=v3.3.786", 12, 12);
         qq.maps.event.addListener(rightMarker, 'position_changed', function (e) {
             var nowPoint = new qq.maps.LatLng(e.target.position.lat, e.target.position.lng);
             var num = parseInt(_center.distanceTo(nowPoint));
             circle.setRadius(num);
             label.setContent(num + "米");
             label.setPosition(nowPoint);
             polyline.setPath([_center, nowPoint]);
             that.Radius = num;
         });

         qq.maps.event.addListener(rightMarker, 'mouseup', function (e) {
             if (getData) {
                 _rightBound = new qq.maps.LatLng(e.latLng.lat, e.latLng.lng);
                 getData();
             }
         });
         //图例
         //显示提示信息
         var customShowDiv = document.getElementById(that.tuliId);
         _map.controls[qq.maps.ControlPosition.BOTTOM_RIGHT].push(customShowDiv);
     };

     //根据中心点、右边的点和半径获取像素距离
     this.getPath = function () {
         var projection = _map.getProjection();
         var point = projection.fromLatLngToPoint(_center); //projection.fromLatLngToPoint(center, map.getZoom());
         var rightpoint = projection.fromLatLngToPoint(_rightBound); //projection.fromLatLngToPoint(rightBound, map.getZoom());
         var len = point.distanceTo(rightpoint);
         return _generateCirclePoints(_map, _center, len);
     };

     //土地或者项目关联的标点
     this.DrawProOrLandMarker = function (type, data) {
         var infoTpl = $("#divInfolandTemplate").comment();
         var labelText = "", nlabel;
         if (type == "land") {
             infoTpl = $("#divInfolandTemplate").comment();
             labelText = "<div style='text-align:center;color:#000;font-family:微软雅黑,宋体;font-size:11px;cursor:pointer;*cursor:hand;'>" + data.ShowT.toString() + "亩" + "</div>";
             nlabel = _addLabel(data.lat, data.lng, labelText);
         } else {
             infoTpl = $("#divInfoprojectTemplate").comment();
             labelText = "<div style='text-align:center;color:#000;font-family:微软雅黑,宋体;font-size:11px;cursor:pointer;*cursor:hand;'>" + data.ProjectSquare + "亩" + "</div>";
             if (data.ProjectSquare) {
                 nlabel = _addLabel(data.lat, data.lng, labelText);
             }
         }

         _allowDrag = false;
         var nmarker = _addMarker(data.lat, data.lng, false, data.marker, 32, 42);
         _offsetSize = new qq.maps.Size(18, -30);

         if (nlabel) {
             qq.maps.event.addListener(nlabel, 'click', function (args) {
                 nlabel.setStyle("cursor", "hand");
             });
             nlabel.DataItem = data;
             qq.maps.event.addListener(nlabel, 'click', function (args) {
                 var data = args.target.DataItem;
                 if (data.BaseInfoName && data.BaseInfoId) {
                     infoTpl = infoTpl.replace("style='display:none'", "");
                 }
                 _mapInfowWin.open();
                 _mapInfowWin.setContent(String.FormatByEmptyValue(infoTpl, "--", data));
                 _mapInfowWin.setPosition(new qq.maps.LatLng(data.lat, data.lng));
             });
             _allLabels.push(nlabel);
         }

         nmarker.DataItem = data;
         qq.maps.event.addListener(nmarker, 'click', function (args) {
             var data = args.target.DataItem;
             if (data.BaseInfoName && data.BaseInfoId && type == "land") {
                 infoTpl = infoTpl.replace("style='display:none'", "");
             }
             _mapInfowWin.open();
             _mapInfowWin.setContent(String.FormatByEmptyValue(infoTpl, "--", data));
             _mapInfowWin.setPosition(new qq.maps.LatLng(data.lat, data.lng));
         });
         _allMarkers.push(nmarker);
     };

     //清空页面填充的数据
     this.ClearMarkerAndLabel = function () {
         _clearOverlays(_allMarkers);
         _clearOverlays(_allLabels);
     };

     //关闭弹出窗口
     this.closeWin = function() {
         _mapInfowWin.close();
     };

     //列表选择行后地图显示对应的项
     this.openWin = function(type, data) {
         var infoTpl = "";
         if (type == "land") {
             infoTpl = $("#divInfolandTemplate").comment();
             if (data.BaseInfoName && data.BaseInfoId) {
                 infoTpl = infoTpl.replace("style='display:none'", "");
             }
         } else if (type == "project") {
             infoTpl = $("#divInfoprojectTemplate").comment();
         }

         _mapInfowWin.open();
         _mapInfowWin.setContent(String.FormatByEmptyValue(infoTpl, "--", data));
         _mapInfowWin.setPosition(new qq.maps.LatLng(data.lat, data.lng));
     };

     //更新marker状态
     this.ChangeMarker = function(i, data) {
         var marker = _allMarkers[i];
         marker.DataItem = data;
         var anchor0 = _anchor == null ? new qq.maps.Point(16, 36) : _anchor;
         var size0 = new qq.maps.Size(32, 40),
             origin0 = new qq.maps.Point(0, 0),
             icon0 = new qq.maps.MarkerImage(data.marker, size0, origin0, anchor0);
         marker.setIcon(icon0);
     };

     //或者两个经纬度之间的距离
     this.getDistanceByLatLng = function (lat, lng) {
         var latLng = new qq.maps.LatLng(lat, lng);
         return _center.distanceTo(latLng);
     };

     //定位地图中心坐标点
     this.setCenterMap = function (lat, lng) {
         if (lat && lng) {
             _map.setCenter(new qq.maps.LatLng(lat, lng));
         }
         else {
             if (_centerPoint) {
                 _map.setCenter(new qq.maps.LatLng(_centerPoint[0], _centerPoint[1]));
                 _map.setZoom(11);
             };
         }
     };

     /*
     *Liuning
     *获取当前地图视野范围内的中心店,返回一个数组,arr[0]:Lat  arr[1]: Lng
     */
     this.getMapViewCenter = function () {
         var arr = [];
         var center = _map.getCenter();
         arr.push(center.getLat());
         arr.push(center.getLng());
         return arr;
     };

     //加载地图操作
     function _init() {
         _map = new qq.maps.Map(document.getElementById(_controlId), {
             center: _center,
             zoom: _zoom,
             disableDefaultUI: false
         });
         //地图检索服务
         _searchService = new qq.maps.SearchService({
             map: _map
         });
         //全屏
         new qq.maps.Control(
         {
             content: "<span class='map-btn fullScreen' id='J_FullScreen' onclick='SetFullScreen()'>全屏</span>",
             align: qq.maps.ALIGN.TOP_RIGHT,
             margin: new qq.maps.Size(5, 10),
             zoom: _zoom,
             map: _map
         });
         //切换地图类型
         qq.maps.event.addListener(_map, 'maptypeid_changed', function (e) {
             if (_map.getMapTypeId() == "街景") {
                 $("#" + _controlId + " > div > div:lt(3)").hide();
                 $("#" + _controlId).children().append($("#" + _panoContainerId));
                 $("#" + _panoContainerId).show();
             }
             else {
                 $("#" + _controlId + " > div > div:lt(3)").show();
                 $("#" + _panoContainerId).hide();
             }
         });
         //旧位置
         if (options.OldPoint) {
             _oldMarker = _addMarker(options.OldPoint.Lat, options.OldPoint.Lng, true, "/Resource/Images/Skin/DPS/MAP_PIN.png", 17, 28);
             _oldMarker.draggable = false;
             _oldLabel = _addLabel(options.OldPoint.Lat, options.OldPoint.Lng, "旧位置");
             if (options.oldPath) {
                 //拖动坐标点
                 _moveMarker();
             }
         };
         //旧的多边形
         if (options.oldPath) {
             _polygon = new qq.maps.Polygon({
                 clickable: true,
                 editable: true,
                 strokeColor: "#0066CC",
                 strokeWeight: 1,
                 strokeDashStyle: "solid",
                 fillColor: qq.maps.Color.fromHex("#0066CC", 0.2),
                 map: _map
             });
             for (var i = 0; i < options.oldPath.length; i++) {
                 //多边形每个角添加一个坐标点
                 var point = new qq.maps.LatLng(options.oldPath[i].lat, options.oldPath[i].lng);
                 _addDrowMarker(point);
             };
         };
         qq.maps.event.addListener(_map, 'bounds_changed', _resetBounds);

         //地图弹出窗口
         _mapInfowWin = new soso.maps.InfoWindow({
             map: _map
         });
         //地图弹出窗口关闭
         soso.maps.event.addListener(_map, 'click', function () {
             _mapInfowWin.close();
         });
     };

     //获取当前地图范围位置
     function _resetBounds() {
         var bounds = _map.getBounds();
         var bound = {};
         if (bounds) {
             bound.NorthEast_X = bounds.getNorthEast().getLng();
             bound.NorthEast_Y = bounds.getNorthEast().getLat();
             bound.SouthWest_X = bounds.getSouthWest().getLng();
             bound.SouthWest_Y = bounds.getSouthWest().getLat();
         }
         return bound;
     };

     /* 添加marker
     *lat 纬度
     *lng 经度
     *moveToCenter  是否设置为中心点
     *ImgUrl 图片路径
     *width 图片宽度
     *height 图片高度
     *allowDrag是否允许拖动
     */
     function _addMarker(lat, lng, moveToCenter, imgUrl, width, height, allowDrag)
     {
         //使用默认的icon
         var anchor0 = _anchor||new qq.maps.Point(width / 2, height - 4);
         var size0 = new qq.maps.Size(width, height);
         var origin0 = new qq.maps.Point(0, 0);
         var icon0 = new qq.maps.MarkerImage(imgUrl, size0, origin0, anchor0);
         var marker0 = new qq.maps.Marker({
             icon: icon0,
             map: _map,
             draggable: allowDrag==null ? _allowDrag:allowDrag,
             position: new qq.maps.LatLng(lat, lng)
         });
         //设置marker点击事件:点击时隐藏label ,再点击就显示label
         qq.maps.event.addListener(marker0, "click", function (e)
         {
             var label=null;
             var latLng = e.latLng;

             for (var i = 0, len = _allMarkers.length; i < len; i++) {
                 label = _allLabels[i];
                 if (latLng.equals(label.getPosition())) break;
             };

             if (!label) return;

             var visible = label.getVisible()
             if (visible) {
                 label.setVisible(false);
             } else {
                 label.setVisible(true);
             }
         });

         moveToCenter && _map.setCenter(new qq.maps.LatLng(lat, lng));
         return marker0;
     };

     /* 添加lable
     *lat 纬度
     *lng 经度
     *showText  显示的文字
     */
     function _addLabel(lat, lng, showText) {
         var size = new qq.maps.Size(10, -25);
         if (_offsetSize) size = _offsetSize;

         var label = new qq.maps.Label({
             position: new qq.maps.LatLng(lat, lng),
             map: _map,
             content: showText.toString(),
             offset: size
         });

         return label;
     };

     /*
     *绘制周边土地多边形
     *data:用于描绘多边形的点数组
     */
     function _drawNearLandPolygon(data) {
         var path = [];
         for (var i = 0; i < data.length; i++) {
             var item = data[i];
             var point = new qq.maps.LatLng(item.lat, item.lng);
             path.push(point);
         };
         var _polygon = new qq.maps.Polygon({
             path: path,
             clickable: true,
             editable: false,
             strokeColor: "#0066CC",
             strokeWeight: 1,
             strokeDashStyle: "solid",
             map: _map
         });

         return _polygon;
     };

     function _addDrowMarker(point, listener, polygonSource) {
         var marker = _addMarker(point.lat, point.lng, false, "/Resource/Images/Skin/DPS/map_ponit.png", 8, 8);

         _drowMarkers.push(marker);
         that.arrayObj.push(point);

         if (!polygonSource) {
             polygonSource = _polygon;
         }

         polygonSource.setPath(that.arrayObj);
         marker.setTitle(that.arrayObj.length - 1);

         //停止画多边形
         var dlistener = qq.maps.event.addListener(marker, "dblclick", function (e) {
             var newLabelcontent = "新位置【" + (qq.maps.geometry.spherical.computeArea(that.arrayObj) * 3 / 2000).toFixed(2) + "亩】";
             var point = polygonSource.getBounds().getCenter();
             if (_newMarker) {
                 _newMarker.setPosition(point);
                 _newLabel.setPosition(point);
                 _newMarker.setMap(_map);
                 _newLabel.setMap(_map);
                 _newLabel.content = newLabelcontent;
             } else {
                 _newMarker = _addMarker(point.lat, point.lng, false, "/Resource/Images/Skin/DPS/MAP_old.png", 17, 28);
                 _newLabel = _addLabel(point.lat, point.lng, newLabelcontent);
             }

             qq.maps.event.addListener(_newMarker, "dragend", function (e) {
                 GetGeomInfo(e.latLng, that.arrayObj);
             });

             //移除画图事件
             if (listener) {
                 qq.maps.event.removeListener(listener);
             }

             qq.maps.event.removeListener(dlistener);
             _moveMarker();
             if (GetGeomInfo) {
                 GetGeomInfo(point, that.arrayObj);
             };
         });

         //修改多边形
         qq.maps.event.addListener(marker, 'position_changed', function (e) {
             //debugger;
             var newLabelcontent = "新位置【" + (qq.maps.geometry.spherical.computeArea(that.arrayObj) * 3 / 2000).toFixed(2) + "亩】";
             var point = polygonSource.getBounds().getCenter();
             if (!_newMarker) {
                 _newMarker = _addMarker(point.lat, point.lng, false, "/Resource/Images/Skin/DPS/MAP_old.png", 17, 28);
                 _newLabel = _addLabel(point.lat, point.lng, newLabelcontent);
             } else {
                 _newMarker.setPosition(point);
                 _newLabel.setPosition(point);
                 _newMarker.setMap(_map);
                 _newLabel.setMap(_map);
                 _newLabel.content = newLabelcontent;
             }
             if (_oldMarker) {
                 _oldMarker.setVisible(false);
                 _oldLabel.setVisible(false);
             }
             _moveMarker();
             var index = marker.getTitle();
             that.arrayObj[index].lat = marker.position.lat;
             that.arrayObj[index].lng = marker.position.lng;
             polygonSource.setPath(that.arrayObj);
             if (GetGeomInfo) {
                 GetGeomInfo(point, that.arrayObj);
             };
         });
     };

     //清除地图上的标记
     function _clearOverlays(overlays) {
         var overlay;
         while (overlay = overlays.pop()) {
             overlay.setMap(null);
         }
     };

     //清除多边形或者清除标点
     function _clearMarkerOrPolygon() {

         if (_newpolygon) {
             _clearOverlays(_drowMarkers);
             _drowMarkers = [];
             _newpolygon.setMap(null);
             _newpolygon.path = null;
         }
         if (_polygon) {
             _clearOverlays(_drowMarkers);
             _drowMarkers = [];
             _polygon.setPath([]);
             _polygon = null;
         }
         if (_newMarker) {
             _newMarker.setMap(null);
             _newLabel.setMap(null);
         }
         if (_oldMarker && _clearOldMarker) {
             _oldMarker.setMap(null);
             _oldLabel.setMap(null);
         }

         _clearOverlays(_allMarkers);
         _clearOverlays(_allLabels);
     };

     function _clearNewMarkerPolygon() {
         if (_newMarker) {
             _newMarker.setMap(null);
             _newLabel.setMap(null);
         }
         if (_newpolygon) {
             _clearOverlays(_drowMarkers);
             _drowMarkers = [];
             _newpolygon.setMap(null);
             _newpolygon = null;
         }
     };

     function _clearNearLandPolygon()
     {
         while (o = _nearLandPolygons.pop()) {
             if (!o) break;
             o.setMap(null);
             o.setPath([]);
         }
     };

     //拖动坐标点
     function _moveMarker() {
         if (_newMarker) {
             qq.maps.event.addListener(_newMarker, 'position_changed', function (e) {
                 _newLabel.setPosition(_newMarker.position);
             });
         }
         if (_oldMarker) {
             qq.maps.event.addListener(_oldMarker, 'position_changed', function (e) {
                 _oldLabel.setPosition(_oldMarker.position);
             });
         }
     };

     /// <summary>以指定坐标为中心计算圆指定精度下的所有坐标点</summary>
     /// <param name="map" type="Map">SOSO地图对象（V2.0）</param>
     /// <param name="center" type="LatLng">中心坐标</param>
     /// <param name="r" type="Number">圆的半径</param>
     /// <param name="percision" type="Number">计算圆周坐标时的精度（每隔多少弧度计算一个点，默认0.5）</param>
     function _generateCirclePoints(map, center, r, percision) {
         if (!map || !center || r <= 0) {
             return null;
         };
         if (!percision || percision < 0) {
             percision = 1;
         };
         var points = [];
         var pointstr = "";
         var zoom = map.getZoom();
         var projection = map.getProjection();
         var latLngOffset = function (latLng, offsetX, offsetY) {
             var point = projection.fromLatLngToPoint(latLng); // projection.fromLatLngToPoint(latLng, zoom);
             point.x += offsetX;
             point.y += offsetY;
             return projection.fromPointToLatLng(point, zoom);
         };

         for (var angle = 0; angle <= 360; angle += percision) {
             var x, y;
             var point;
             var rad = angle * Math.PI / 180;
             y = Math.abs(Math.sin(rad) * r);
             x = Math.abs(Math.cos(rad) * r);
             point = latLngOffset(center, x, y);
             if (angle <= 90) {
                 point = latLngOffset(center, x, 0 - y, zoom);
             }
             else if (angle > 90 && angle <= 180) {
                 point = latLngOffset(center, 0 - x, 0 - y, zoom);
             }
             else if (angle > 180 && angle <= 270) {
                 point = latLngOffset(center, 0 - x, y, zoom);
             }
             else if (angle > 270 && angle <= 360) {
                 point = latLngOffset(center, x, y, zoom);
             };
             pointstr += point.lng + " " + point.lat + ",";
             points.push(point);
         };

         pointstr += points[0].lng + " " + points[0].lat;
         return pointstr;
     };
 };

 //全屏操作
 function SetFullScreen() {
     if (!fullscreen) {
         fullscreen = true;
         $("#" + mapcontorl).fullScreen({ type: "max" });
         $("#J_FullScreen").removeClass().addClass("map-btn exit").text("退出");
     }
     else {
         fullscreen = false;
         $("#" + mapcontorl).fullScreen({ type: "min" });
         $("#J_FullScreen").removeClass().addClass("map-btn fullScreen").text("全屏");

         try {
             if (!fullScreenFlag) {
                 $mapContainer.width(mapW1);
             }
             else {
                 $mapContainer.width(mapW2);
             }
         } catch (e) {

         }

     };
 };
    

简单的对qqmap进行了一些封装，方便使用。