/** *    @fileOverView 高德地图的基础控制类 *    @author    yi.z *    @date 2014-02-19 */var AMaper = function (config) {    var me = this,        mapObj = null,        markerMap = {},        infoWindowMap = {};    /**     *    初始化地图     *    @param data.mapInner: 加载地图的div的id 默认为mapDiv     *  @param data.lng: 经度     *    @param data.lat: 纬度     */    me.init = function (data) {        var scrollWheel = true;        if (config.scrollWheel == false) {            scrollWheel = false;        }        if (document.getElementById(data.mapInner)) {            mapObj = new AMap.Map(data.mapInner, {                center: new AMap.LngLat(data.lng, data.lat),                level: 12,                scrollWheel: scrollWheel            });            googleLayer = new AMap.TileLayer({                zIndex: 2, getTileUrl: function (t, e, o) {                    return "http://mt1.google.cn/vt/lyrs=m@142&hl=zh-CN&gl=cn&x=" + t + "&y=" + e + "&z=" + o + "&s=Galil"                }            });            googleLayer.setMap(mapObj);            //加载工具条插件            mapObj.plugin("AMap.ToolBar", function () {                toolbar = new AMap.ToolBar({                    direction: config.direction,//隐藏方向导航                    ruler: config.ruler,//隐藏视野级别控制尺                    autoPosition: config.autoPosition//禁止自动定位                });                mapObj.addControl(toolbar);                toolbar.show(); //显示工具条            });            /*                拖拽事件dragstart\dragging\dragend            */            AMap.event.addListener(mapObj, ‘click‘, function (e) {                if (config.clickListener && $.type(config.clickListener) == "function") {                    config.clickListener();                }                me.hideInfoWindows();            });        }    };    /**     *    设置地图中心点     *    @param 中心点经纬度对象     */    me.setCenter = function (latLng) {        mapObj.setCenter(latLng);    };    /**     *    获取地图中心点经纬度对象     */    me.getCenter = function () {        return mapObj.getCenter();    };    /**     *    设置地图缩放级别     */    me.setZoom = function (num) {        mapObj.setZoom(num);    };    /**     *    获取地图缩放级别     */    me.getZoom = function () {        return mapObj.getZoom();    };    /**     *    清除地图上的覆盖物     */    me.clearMap = function () {        //mapObj.clearInfoWindow();        //mapObj.removeOverlays();        //mapObj.clearOverlays();        markerMap = {};        infoWindowMap = {};        mapObj.clearMap();    };    /**     *    调整到合理视野     */    me.setFitView = function () {        var center = mapObj.setFitView().getCenter();        return {            lat: center.lat,            lng: center.lng        };    };    /**     *    添加多个带文本poi点     *    @param arr     */    me.addMarkers = function (arr) {        var len = arr.length,            i = 0;        for (; i < len; i++) {            me.addMarker(arr[i]);        }    };    /**     *    添加一个带文本poi点     *     @param addEventListener  添加点是给点添加事件     *    @param data.id     *    @param data.lng 经度     *    @param data.lat 纬度     *    @param data.markerHtml 点的html结果 传html 是为了和业务分离     *    //-----以下参数暂时不用     *    @param data.name 文本     *    @param data.num 编号     *    @param data.type 类型 是poi还是hotel     */    me.addMarker = function (data, addEventListener) {        var id = data.id,            latLng = new AMap.LngLat(data.lng, data.lat);        var marker = new AMap.Marker({            map: mapObj,            position: latLng, //基点位置            offset: new AMap.Pixel(-18, -36), //相对于基点的偏移位置            draggable: false,  //是否可拖动            content: $(data.markerHtml)[0]   //自定义点标记覆盖物内容 注意这里需要一个DOM对象        });        marker.setMap(mapObj);  //在地图上添加点        var $that = $(marker.getContent());        addEventListener($that, latLng);        markerMap[id] = marker;    };    me.getMarkerDom = function (id) {        var marker = markerMap[id];        if (marker) {            return $(marker.getContent());        }    };    /**     *    删除一个点     *    @param id     */    me.removeMarker = function (id) {        var marker = markerMap[id];        marker.setMap(null);    };    /**     *    删除多个点     *    @param id Array     */    me.removeMarkers = function (idArr) {        var len = idArr.length,            i = 0;        for (; i < len; i++) {            me.removeMarker(idArr[i]);        }    };    /**     *    创建或获取之前的对象，在打开信息窗口     *    @param addEventListener 显示信息窗口时添加事件     *    @param data.latLng 点的经纬度对象     *    @param data.id 点的id     *    @param data.infoHtml 信息窗口的html     *    @param data.gOffset 针对谷歌地图的窗口偏移     *    @param data.aOffset 针对高德地图的窗口偏移     */    me.createInfo = function (data, addEventListener) {        var id = data.id,            infoWindow = infoWindowMap[id];        if (!infoWindow) {            var info = $(data.infoHtml)[0],                offset = data.aOffset || [-78, -47];            infoWindow = new AMap.InfoWindow({                isCustom: true,                //offset:new AMap.Pixel(-78, -47),                //offset:new AMap.Pixel(-23, -113),                offset: new AMap.Pixel(offset[0], offset[1]),                content: info            });            infoWindowMap[id] = infoWindow;            addEventListener($(info));        }        infoWindow.open(mapObj, data.latLng);    }    /**     *    检查一个info是否存在     *    @param id     */    me.checkInfo = function (id) {        if (infoWindowMap[id]) {            return true;        }        return false;    };    /**     *    获取一个info     *    @param id     */    me.getInfo = function (id) {        var infoWindow = infoWindowMap[id];        if (infoWindow) {            return infoWindow;        }        return null;    };    /**     *    打开信息窗口     *    @param id     *    @param latLng 点的经纬度对象     */    me.openInfo = function (id) {        var infoWindow = me.getInfo(id);        infoWindow.open(mapObj);    };    /**     *    隐藏一个信息窗口     */    me.hideInfoWindow = function (id) {        var infoWindow = infoWindowMap[id];        if (infoWindow) {            infoWindow.close();        }    };    /**     *    隐藏信息窗口     *    优化 避免重复创建信息窗口     */    me.hideInfoWindows = function () {        for (var i in infoWindowMap) {            if (infoWindowMap.hasOwnProperty(i)) {                var infoWindow = infoWindowMap[i];                infoWindow.close();            }        }    };    /**     *    彻底消除信息窗口     */    me.clearInfoWindow = function () {        infoWindowArr = {};        mapObj.clearInfoWindow();    };    /**     *    绘制路线     *    @param data.start_xy     *    @param data.end_xy     *  @param data.steps     */    me.drawRoute = function (data) {        var steps = data.steps;        /* 起点到路线的起点 路线的终点到终点 绘制无道路部分  */        var extra_path1 = new Array();        extra_path1.push(data.start_xy);        extra_path1.push(steps[0].path[0]);        var extra_line1 = new AMap.Polyline({            map: mapObj,            path: extra_path1,            strokeColor: "#71b7fc",            strokeOpacity: 0.8,            strokeWeight: 6,            strokeStyle: "dashed",            strokeDasharray: [7, 5]        });        var extra_path2 = new Array();        var path_xy = steps[(steps.length - 1)].path;        extra_path2.push(data.end_xy);        extra_path2.push(path_xy[(path_xy.length - 1)]);        var extra_line2 = new AMap.Polyline({            map: mapObj,            path: extra_path2,            strokeColor: "#71b7fc",            strokeOpacity: 0.8,            strokeWeight: 6,            strokeStyle: "dashed",            strokeDasharray: [7, 5]        });        for (var s = 0; s < steps.length; s++) {            var drawpath = steps[s].path;            var polyline = new AMap.Polyline({                map: mapObj,                path: drawpath,                strokeColor: "#71b7fc",                strokeOpacity: 0.8,                strokeWeight: 6            });        }    };    /**     *    绘制步行导航路线     *    @param arr    多个poi点的数组     *    @param callBack 回调函数     */    me.drawWalkRoute = function (langArr, callBack) {        var len = langArr.length,            j = 0;        for (; j < len - 1; j++) {            if (j > 0) {                callBack = function () { };            }            drawWalk([langArr[j], langArr[j + 1]], callBack);        }    };    /**     *    绘制两点间的步行导航路线     *    @param arr    两个poi点的数组     *    @param callBack 回调函数     */    function drawWalk(arr, callBack) {        var start_xy = new AMap.LngLat(arr[0].lng, arr[0].lat);        var end_xy = new AMap.LngLat(arr[1].lng, arr[1].lat);        var MWalk;        mapObj.plugin(["AMap.Walking"], function () {            MWalk = new AMap.Walking(); //构造路线导航类            //返回导航查询结果            AMap.event.addListener(MWalk, "complete", function (data) {                var result = { msg: 0 };                if (data && data.routes && data.routes.length > 0) {                    var routes = data.routes;                    result.msg = 1;                    var steps = routes[0].steps;                    if (steps && $.isArray(steps) && steps.length > 0) {                        me.drawRoute({                            start_xy: start_xy,                            end_xy: end_xy,                            steps: steps                        });                    }                    result.distance = routes[0].distance;                    result.time = routes[0].time;                    result.steps = [];                    var len = steps.length,                        i = 0;                    for (; i < len; i++) {                        result.steps.push(steps[i].instruction);                    }                }                callBack(result);            });            MWalk.search(start_xy, end_xy); //根据起终点坐标规划步行路线        });    }    /**     *    绘制驾车导航路线     *    @param langArr 多个poi点的数组     *    @param callBack 回调函数     */    me.drawDriveRoute = function (langArr, callBack) {        var len = langArr.length,            j = 0;        for (; j < len - 1; j++) {            if (j > 0) {                callBack = function () { };            }            drawDrive([langArr[j], langArr[j + 1]], callBack);        }    };    /**     *    绘制两点间的驾车导航路线     *    @param arr 两个poi点的数组     *    @param callBack 回调函数     */    function drawDrive(arr, callBack) {        var start_xy = new AMap.LngLat(arr[0].lng, arr[0].lat);        var end_xy = new AMap.LngLat(arr[1].lng, arr[1].lat);        var MDrive;        mapObj.plugin(["AMap.Driving"], function () {            var DrivingOption = {                //驾车策略，包括 LEAST_TIME，LEAST_FEE, LEAST_DISTANCE,REAL_TRAFFIC                policy: AMap.DrivingPolicy.LEAST_TIME            };            MDrive = new AMap.Driving(DrivingOption); //构造驾车导航类            AMap.event.addListener(MDrive, "complete", function (data) {                var result = { msg: 0 };                if (data && data.routes && data.routes.length > 0) {                    var routes = data.routes;                    result.msg = 1;                    var steps = routes[0].steps;                    if (steps && $.isArray(steps) && steps.length > 0) {                        me.drawRoute({                            start_xy: start_xy,                            end_xy: end_xy,                            steps: steps                        });                    }                    result.distance = routes[0].distance;                    result.time = routes[0].time;                    result.steps = [];                    var len = steps.length,                        i = 0;                    for (; i < len; i++) {                        result.steps.push(steps[i].instruction);                    }                }                callBack(result);            }); //返回导航查询结果            MDrive.search(start_xy, end_xy); //根据起终点坐标规划驾车路线        });    }    /**     *    绘制公交线路     */    me.drawPublicTransitLine = function (busArr, walkArr) {//绘制乘车的路线        var i = 0,            j = 0,            busLen = busArr.length,            walkLen = walkArr.length;        for (var j = 0; j < busLen; j++) {            new AMap.Polyline({                map: mapObj,                path: busArr[j],                strokeColor: "#71b7fc",//线颜色                strokeOpacity: 0.8,//线透明度                strokeWeight: 6//线宽            });        }        //绘制步行的路线        for (var i = 0; i < walkLen; i++) {            new AMap.Polyline({                map: mapObj,                path: walkArr[i],                strokeColor: "#71b7fc", //线颜色                strokeOpacity: 0.8, //线透明度                strokeWeight: 6//线宽            });        }    };    /**     *    绘制公交导航路线     *    @param langArr 多个poi点的数组     *    @param callBack 回调函数     */    me.drawPublicTransitRoute = function (langArr, callBack) {        var len = langArr.length,            j = 0;        for (; j < len - 1; j++) {            if (j > 0) {                callBack = function () { };            }            drawPublicTransit([langArr[j], langArr[j + 1]], callBack);        }    };    /**     *    绘制两点之间的公交导航路线     *    @param arr 两个poi点的数组     *    @param callBack 回调函数     */    function drawPublicTransit(arr, callBack) {        var start_xy = new AMap.LngLat(arr[0].lng, arr[0].lat);        var end_xy = new AMap.LngLat(arr[1].lng, arr[1].lat);        var trans,            city = arr[0].city || "";        /* 加载公交换乘插件 */        mapObj.plugin(["AMap.Transfer"], function () {            transOptions = {                city: city,                            /* 公交城市 */                policy: AMap.TransferPolicy.LEAST_TIME /* 乘车策略 */            };            /* 构造公交换乘类  */            trans = new AMap.Transfer(transOptions);            /* 返回导航查询结果  */            AMap.event.addListener(trans, "complete", function (data) {                var result = { msg: 0 };                if (data.plans && data.plans.length > 0) {                    /* 只取第一个路线方式 */                    var plans = data.plans[0],                        busArr = [],                        walkArr = [];                    result.distance = plans.distance;                    result.time = plans.time;                    result.steps = [];                    segments = plans.segments;                    if (segments && segments.length > 0) {                        result.msg = 1;                        var len = segments.length,                            i = 0;                        for (; i < len; i++) {                            var s = segments[i];                            if (s.transit_mode == "WALK") {                                walkArr.push(s.transit.path);                            } else {                                busArr.push(s.transit.path);                            }                            result.steps.push(s.instruction);                        }                        me.drawPublicTransitLine(busArr, walkArr);                    }                }                callBack(result);            });            //显示错误信息            AMap.event.addListener(trans, "error", function (e) {                var result = { msg: 0 };                callBack(result);            });            //根据起、终点坐标查询公交换乘路线            trans.search(start_xy, end_xy);        });    }};