[Baidu Map]百度地图 JAVASCRIPT API V2.0 大众版 工具类
关键代码：
/* *@description 百度地图 JAVASCRIPT API V2.0 大众版 工具类 *@author YanZhiwei *@see http://developer.baidu.com/window.bmap/reference/index.php *@email [email protected] */ (function () { window.bmap = {}; window.panorama = {}; window.infoWindow = {}; BmapUtils = { CONSTANT: { DYNAMIC_CITY: "上海", CONTAINER: "baidumap", DEFAULT_ZOOM: 13, DEFAULT_INIT_ZOOM: 12, DEFAULT_MAX_ZOOM: 18, DEFAULT_MIN_ZOOM: 8, GRID_SIZE: 60 }, initNormalMap: function (lon, lat, zoom, maxzoom, minzoom, div) { /// <summary> /// 基本地图初始化 /// </summary> /// <param name="lon">地理纬度</param> /// <param name="lat">地理经度</param> /// <param name="zoom">显示级别</param> /// <param name="maxzoom">地图最大级别</param> /// <param name="minzoom">地图最小级别</param> /// <param name="div">地图承载DIV</param> window.bmap = new BMap.Map(div || this.CONSTANT.CONTAINER, { enableMapClick: false }); var point = new BMap.Point(lon || 116.404, lat || 39.915); // 默认地图初始化位置为北京 window.bmap.centerAndZoom(point, zoom || this.CONSTANT.DEFAULT_INIT_ZOOM); window.bmap.enableDragging(); // 开启拖拽 window.bmap.setMinZoom(minzoom || this.CONSTANT.DEFAULT_MIN_ZOOM);//地图最小级别 window.bmap.setMaxZoom(maxzoom || this.CONSTANT.DEFAULT_MAX_ZOOM);//地图最小级别 window.bmap.enableScrollWheelZoom(true); // 允许鼠标滚轮缩放地图 window.bmap.addControl(new BMap.NavigationControl(BMAP_ANCHOR_TOP_LEFT)); // 添加默认缩放平移控件 window.bmap.addControl(new BMap.ScaleControl({ anchor: BMAP_ANCHOR_BOTTOM_LEFT })); // 左下角比例尺控件 window.bmap.addControl(new BMap.OverviewMapControl()); // 添加默认缩略地图控件(鹰眼) var cr = new BMap.CopyrightControl({ anchor: BMAP_ANCHOR_BOTTOM_LEFT }); window.bmap.addControl(cr); // 添加版权控件（支持自定义版权控件） }, addMapView: function () { /// <summary> /// 添加地图视图_普通街道_卫星视图_卫星和路网的混合 /// </summary> if (window.bmap) window.bmap.addControl(new BMap.MapTypeControl({ mapTypes: [BMAP_NORMAL_MAP, BMAP_SATELLITE_MAP, BMAP_PERSPECTIVE_MAP] })); }, addMarker: function (marker) { /// <summary> /// 将标记添加到地图 /// </summary> /// <param name="marker">标记</param> if (window.bmap) window.bmap.addOverlay(marker); }, addOverview: function () { /// <summary> /// 添加缩略地图 /// </summary> window.bmap.addControl(new BMap.OverviewMapControl()); }, focused: function (point, zoom) { /// <summary> /// 聚焦点 /// </summary> /// <param name="point">point</param> /// <param name="zoom">级别</param> if (point) { var bounds = window.bmap.getBounds(); window.bmap.centerAndZoom(point, zoom || this.CONSTANT.DEFAULT_ZOOM); if (!bounds.containsPoint(point)) { setTimeout(function () { window.bmap.panTo(point); }, 100); } } }, setCenter: function (markers) { /// <summary> /// 设置一组标记的中心点 /// </summary> /// <param name="markers">标记组</param> if (markers) { var points = new Array(); for (var i = 0; i < markers.length; i++) { var marker = markers[i]; points.push(marker.getPosition()); } BmapUtils.bounds.setCenter(points); } }, addMenu: function (menuItem) { /// <summary> /// 给地图添加右键菜单 /// eg: ///var menuItem = [ /// { /// text:'放大', /// callback:function(){window.bmap.zoomIn()} /// }, /// { /// text:'缩小', /// callback:function(){window.bmap.zoomOut()} /// } /// ]; /// </summary> /// <param name="menuItem">menuItem</param> if (menuItem.length > 0) { var menu = new BMap.ContextMenu(); for (var i = 0; i < menuItem.length; i++) { menu.addItem(new BMap.MenuItem(menuItem[i].text, menuItem[i].callback, 100)); } window.bmap.addContextMenu(menu); } } }; BmapUtils.panorama = { CONSTANT: { CONTAINER: "panoramamap", POV_HEADING: 270, POV_PITCH: 0 }, initNormal: function (lon, lat, div) { /// <summary> /// 初始化街景地图 /// </summary> /// <param name="lon">地理纬度</param> /// <param name="lat">地理经度</param> /// <param name="div">承载DIV</param> panorama = new BMap.Panorama(div || this.CONSTANT.CONTAINER); //panorama.setId('0100010000130501122416015Z1'); var point = new BMap.Point(lon || 120.305456, lat || 31.570037);//默认无锡 panorama.setPosition(point); }, setPov: function (heading, pitch) { /// <summary> /// 设置全景的视角 /// </summary> /// <param name="heading">水平方向的角度，正北方向为0，正东为90，正南为180，正西为270。</param> /// <param name="pitch">竖直方向的角度，向上最大到90度，向下最大到-90度。（在某些场景下，俯角可能无法到达最大值）。</param> if (panorama) { panorama.setPov({ heading: heading || this.CONSTANT.POV_HEADING, pitch: pitch || this.CONSTANT.POV_PITCH }); } } }; BmapUtils.tool = { CONSTANT: { RANDOM_NUMER: 100 }, addRandomInViewRange: function (number) { /// <summary> /// 在可视区域内添加随机标记 /// 默认100个 /// </summary> /// <param name="number">标记个数</param> if (window.bmap) { var bounds = window.bmap.getBounds(); var sw = bounds.getSouthWest(); var ne = bounds.getNorthEast(); var lngSpan = Math.abs(sw.lng - ne.lng); var latSpan = Math.abs(ne.lat - sw.lat); var mkNumber = number || this.CONSTANT.RANDOM_NUMER; for (var i = 0; i < mkNumber ; i++) { var marker = BmapUtils.marker.addWithTitle(sw.lng + lngSpan * (Math.random() * 0.7), ne.lat - latSpan * (Math.random() * 0.7), i); marker.id = i; BmapUtils.marker.setInfoWindow(marker, "上海啊上海啊", '', '122'); BmapUtils.marker.setLable(marker, i); marker.disableDragging(); BmapUtils.addMarker(marker); } } } }; BmapUtils.bounds = { CONSTANT: { GRID_SIZE: 60, OFF_SET: 0 }, setCenter: function (points) { /// <summary> /// 设置一组地理坐标点的中心点 /// </summary> /// <param name="points">地理坐标点</param> if (points) { var bounds = new BMap.Bounds(); for (var i = 0; i < points.length; i++) { var point = points[i]; bounds.extend(point); } var point = bounds.getCenter(); window.bmap.setCenter(point); } }, getExtendedBounds: function (bounds, gridSize) { /// <summary> /// 获取一个扩展的视图范围，把上下左右都扩大一样的像素值。 /// </summary> /// <param name="bounds">BMap.Map的实例化对象</param> /// <param name="gridSize">要扩大的像素值</param> /// <returns type="">返回扩大后的视图范围</returns> gridSize = gridSize || this.CONSTANT.GRID_SIZE; bounds = this.cutBoundsInRange(bounds); var pixelNE = window.bmap.pointToPixel(bounds.getNorthEast()); var pixelSW = window.bmap.pointToPixel(bounds.getSouthWest()); pixelNE.x += gridSize; pixelNE.y -= gridSize; pixelSW.x -= gridSize; pixelSW.y += gridSize; var newNE = window.bmap.pixelToPoint(pixelNE); var newSW = window.bmap.pixelToPoint(pixelSW); return new BMap.Bounds(newSW, newNE); }, getRealBounds: function (bounds, offset) { /// <summary> /// 得到实际的bound范围 /// </summary> /// <param name="bounds">BMap.Map的实例化对象</param> /// <param name="offset">偏移量</param> /// <returns type="BMap.Bounds">实际的bound范围</returns> southWest = window.bmap.pointToPixel(bounds.getSouthWest()); northEast = window.bmap.pointToPixel(bounds.getNorthEast()); offset = offset || this.CONSTANT.OFF_SET; extendSW = { x: southWest.x - offset, y: southWest.y + offset }, extendNE = { x: northEast.x + offset, y: northEast.y - offset }, extendSwPoint = window.bmap.pixelToPoint(extendSW), extendNePoint = window.bmap.pixelToPoint(extendNE); return new BMap.Bounds(extendSwPoint, extendNePoint); }, cutBoundsInRange: function (bounds) { /// <summary> /// 按照百度地图支持的世界范围对bounds进行边界处理 /// </summary> /// <param name="bounds">BMap.Bounds</param> /// <returns type="BMap.Bounds">返回不越界的视图范围</returns> var maxX = this.getRange(bounds.getNorthEast().lng, -180, 180); var minX = this.getRange(bounds.getSouthWest().lng, -180, 180); var maxY = this.getRange(bounds.getNorthEast().lat, -74, 74); var minY = this.getRange(bounds.getSouthWest().lat, -74, 74); return new BMap.Bounds(new BMap.Point(minX, minY), new BMap.Point(maxX, maxY)); }, getRange: function (i, mix, max) { /// <summary> /// 对单个值进行边界处理。 /// </summary> /// <param name="i">要处理的数值</param> /// <param name="mix">下边界值</param> /// <param name="max">上边界值</param> /// <returns type="">返回不越界的数值</returns> mix && (i = Math.max(i, mix)); max && (i = Math.min(i, max)); return i; } }; BmapUtils.overlays = { find: function (properties, value) { /// <summary> /// 查找覆盖物 /// </summary> /// <param name="properties">键</param> /// <param name="value">值</param> /// <returns type="">找到则返回覆盖物；若没找到则返回NULL</returns> var overlays = window.bmap.getOverlays(); for (var i = 0; i < overlays.length; i++) { var overlay = overlays[i]; if (overlay.hasOwnProperty(properties)) { if (overlay[properties] == value) return overlay; } } }, findAll: function (properties, value) { /// <summary> /// 查找符合条件覆盖物的集合 /// </summary> /// <param name="properties">键</param> /// <param name="value">值</param> /// <returns type="">Array</returns> var finded = new Array; var overlays = window.bmap.getOverlays(); for (var i = 0; i < overlays.length; i++) { var overlay = overlays[i]; if (overlay.hasOwnProperty(properties)) { if (overlay[properties] == value) finded.push(overlay); } } return finded; }, count: function () { var overlays = window.bmap.getOverlays(); return overlays.length; }, show: function (properties, value) { /// <summary> /// 查找覆盖物并显示 /// </summary> /// <param name="properties">键</param> /// <param name="value">值</param> var overlay = this.find(properties, value); if (overlay) { overlay.show(); } }, remove: function (properties, value) { /// <summary> /// 查找覆盖物并删除 /// </summary> /// <param name="properties">键</param> /// <param name="value">值</param> var overlay = this.find(properties, value); if (overlay) { window.bmap.removeOverlay(overlay); } }, removeAll: function (properties, value) { /// <summary> /// 查找所有符合条件的覆盖物并删除 /// </summary> /// <param name="properties">键</param> /// <param name="value">值</param> var overlays = this.findAll(properties, value); for (var i = 0; i < overlays.length; i++) { var overlay = overlays[i]; window.bmap.removeOverlay(overlay); } }, hide: function (properties, value) { /// <summary> /// 查找覆盖物并隐藏 /// </summary> /// <param name="properties">键</param> /// <param name="value">值</param> var overlay = this.find(properties, value); if (overlay) { overlay.hide(); } }, clearAll: function () { /// <summary> /// 清除地图上所有的覆盖物 /// </summary> window.bmap.clearOverlays(); } }; BmapUtils.marker = { add: function (lon, lat) { /// <summary> /// 创建地图标记 /// 说明：需要 window.bmap.addOverlay(marker)或MarkerManger进行管理 /// </summary> /// <param name="lon">地理纬度</param> /// <param name="lat">地理经度</param> /// <returns type="">BMap.Marker</returns> if (window.bmap) { var marker = new BMap.Marker(new BMap.Point(lon, lat)); return marker; } }, addWithTitle: function (lon, lat, title) { /// <summary> ///创建标记并且设置toolTip文字 ///说明：需要 window.bmap.addOverlay(marker)或MarkerManger进行管理 /// </summary> /// <param name="lon">地理纬度</param> /// <param name="lat">地理经度</param> /// <param name="title">toolTip文字</param> /// <returns type="">BMap.Marker</returns> var marker = BmapUtils.marker.add(lon, lat); marker.setTitle(title); return marker; }, addWithIcon: function (lon, lat, iconpath, size) { /// <summary> /// 创建标记并且定义图标(不带阴影) /// </summary> /// <param name="lon">地理纬度</param> /// <param name="lat">地理经度</param> /// <param name="iconpath">图标路径</param> /// <param name="size">BMap.Size</param> /// <returns type="">BMap.Marker</returns> var icon = new BMap.Icon(iconpath, size); var position = new BMap.Point(lon, lat); // 创建点 var marker = new BMap.Marker(position, { icon: icon }); return marker; }, setLable: function (marker, name) { /// <summary> /// 设置标记显示名称 /// </summary> /// <param name="marker">标记</param> /// <param name="name">显示名称</param> if (marker) { var label = new BMap.Label(name, { offset: new BMap.Size(20, -10) }); marker.setLabel(label); } }, setIcon: function (marker, iconpath, size) { /// <summary> /// 设置标记图标 /// </summary> /// <param name="marker">标记</param> /// <param name="iconpath">图标路径</param> /// <param name="size">BMap.Size</param> if (marker) { var icon = new BMap.Icon(iconpath, size); marker.setIcon(icon); } }, findInBounds: function (properties, value) { /// <summary> /// 查找可视范围内标记 /// </summary> /// <param name="properties">键</param> /// <param name="value">值</param> /// <returns type="">若查找到则返回BMap.Marker；若查找不到则返回NULL</returns> var bounds = window.bmap.getBounds(); var overlays = window.bmap.getOverlays(); for (var i = 0; i < overlays.length; i++) { var overlay = overlays[i]; if (bounds.containsPoint(overlay.getPosition())) { if (overlay[properties] == value) return overlay; } } return null; }, findAllInBounds: function (properties, value) { /// <summary> /// 查找可视范围内符合条件标记的集合 /// </summary> /// <param name="properties"></param> /// <param name="value"></param> /// <returns type=""></returns> var finded = new Array; var bounds = window.bmap.getBounds(); var overlays = window.bmap.getOverlays(); for (var i = 0; i < overlays.length; i++) { var overlay = overlays[i]; if (bounds.containsPoint(overlay.getPosition())) { if (overlay[properties] == value) finded.push(overlay); } } return finded; }, focused: function (marker, zoom) { /// <summary> /// 标记聚焦 /// </summary> /// <param name="marker">标记</param> /// <param name="zoom">缩放级别</param> if (marker) { var point = marker.getPosition(); BmapUtils.focused(point, zoom); } }, showInfoWindow: function (marker, title, message, htmlElement, width, height) { /// <summary> /// 显示InfoWindow /// </summary> /// <param name="marker">标记</param> /// <param name="title">信息窗标题文字</param> /// <param name="message">自定义部分的短信内容</param> /// <param name="htmlElement">htmlElement</param> /// <param name="width">宽度</param> /// <param name="height">高度</param> var point = marker.getPosition(); BmapUtils.infoWindow.add(point, title, message, htmlElement, true, width, height); }, setInfoWindow: function (marker, title, message, htmlElement, width, height) { /// <summary> /// 设置marker标记点击时候展现的InfoWindow /// </summary> /// <param name="marker">标记</param> /// <param name="title">信息窗标题文字</param> /// <param name="message">自定义部分的短信内容</param> /// <param name="htmlElement">htmlElement</param> /// <param name="width">宽度</param> /// <param name="height">高度</param> marker.addEventListener("click", function (m, o) { infoWindow = BmapUtils.infoWindow.create(title, message, htmlElement, width, height); marker.openInfoWindow(infoWindow); }); }, inBound: function (marker) { /// <summary> /// 判断标记是否在可是范围 /// </summary> /// <param name="marker">标记</param> /// <returns type="bool">是否在可是范围内</returns> if (marker instanceof BMap.Marker) { var bounds = window.bmap.getBounds(); return bounds.containsPoint(marker.getPosition()); } return false; }, addMenu: function (marker, menuItem) { /// <summary> /// 为MARKER标记创建右键菜单 /// eg: ///var txtMenuItem = [ /// { /// text: '删除坐标', /// callback: function (e, ee, marker) { /// window.bmap.removeOverlay(marker); /// } /// } /// </summary> /// <param name="marker">标记</param> /// <param name="menuItem">txtMenuItem</param> if (menuItem.length > 0) { var menu = new BMap.ContextMenu(); for (var i = 0; i < menuItem.length; i++) { menu.addItem(new BMap.MenuItem(menuItem[i].text, menuItem[i].callback, 100)); } marker.addContextMenu(menu); } } }; BmapUtils.infoWindow = { CONSTANT: { WIDTH: 250, HEIGHT: 80 }, create: function (title, message, htmlElement, width, height) { /// <summary> /// 创建infoWindow /// </summary> /// <param name="title">信息窗标题文字</param> /// <param name="message">自定义部分的短信内容</param> /// <param name="htmlElement">htmlElement</param> /// <param name="width">宽度</param> /// <param name="height">高度</param> /// <returns type="">BMap.InfoWindow</returns> var sendMessage = false; if (message) sendMessage = true; var opts = { width: width || this.CONSTANT.WIDTH, //信息窗宽度，单位像素 height: height || this.CONSTANT.HEIGHT, //信息窗高度，单位像素 title: title, // 信息窗标题文字，支持HTML内容 enableMessage: sendMessage, // 设置允许信息窗发送短息 message: message// 自定义部分的短信内容，可选项。完整的短信内容包括：自定义部分+位置链接，不设置时，显示默认短信内容。 }; infoWindow = new BMap.InfoWindow(htmlElement, opts); // 创建信息窗口对象 return infoWindow; }, add: function (point, title, message, htmlElement, focused, width, height) { /// <summary> /// 为point添加infoWindow对象 /// </summary> /// <param name="point">point</param> /// <param name="title">信息窗标题文字</param> /// <param name="message">自定义部分的短信内容</param> /// <param name="htmlElement">htmlElement</param> /// <param name="focused">是否聚焦</param> /// <param name="width">宽度</param> /// <param name="height">高度</param> if (point) { infoWindow = this.create(title, message, htmlElement, width, height); window.bmap.openInfoWindow(infoWindow, point); if (focused) { BmapUtils.focused(point, window.bmap.getZoom()); } } } }; })();
测试代码：
<!DOCTYPE html> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <meta http-equiv="pragma" content="no-cache"> <meta http-equiv="Cache-Control" content="no-cache, must-revalidate"> <meta http-equiv="expires" content="0"> <title></title> <script src="Scripts/jquery-1.7.1.js"></script> <script type="text/javascript" src="http://api.map.baidu.com/api?v=2.0&ak=uGL4KNjgj6qoH3bGu346o4WT"></script> <script src="Scripts/BMapUtilsV2.js"></script> <script type="text/javascript"> $(document).ready(function () { BmapUtils.initNormalMap(); BmapUtils.addMapView(); BmapUtils.tool.addRandomInViewRange(100); BmapUtils.panorama.initNormal(); BmapUtils.panorama.setPov(); }); function addMarker() { var marker = BmapUtils.marker.addWithIcon(116.404, 39.915, "Images/cab_0_0_0.png", new BMap.Size(16, 16)); BmapUtils.addMarker(marker); //var marker = BmapUtils.marker.addWithTitle(116.404, 39.915, '123'); //BmapUtils.marker.setIcon(marker, "Images/cab_0_0_0.png", new BMap.Size(16, 16)); //BmapUtils.addMarker(marker); } </script> </head> <body> <div id="baidumap" style="height:400px;width:100%"></div> <br /> <div id="panoramamap" style="height:400px;width:100%;border:1px solid red;"></div> <br /> <input id="Button1" type="button" value="addRandomInViewRange" onclick="BmapUtils.tool.addRandomInViewRange(100)" /> <input id="Button2" type="button" value="count" onclick=" alert(BmapUtils.overlays.count());" /> <input id="Button3" type="button" value="findall" onclick="alert(BmapUtils.overlays.findAll('id', '99').length);" /> <input id="Button4" type="button" value="findAllInBounds" onclick="alert(BmapUtils.marker.findAllInBounds('id', '99').length);" /> <input id="Button5" type="button" value="findInBounds" onclick="alert(BmapUtils.marker.findInBounds('id', '99').id);" /> <input id="Button6" type="button" value="hide" onclick="BmapUtils.overlays.hide('id', '99')" /> <input id="Button7" type="button" value="show" onclick="BmapUtils.overlays.show('id', '99')" /> <input id="Button8" type="button" value="focused" onclick="BmapUtils.marker.focused( BmapUtils.overlays.find('id', '99'))" /> <input id="Button9" type="button" value="showInfoWindow" onclick="BmapUtils.marker.showInfoWindow( BmapUtils.overlays.find('id', '99'),'demo','','123')" /> <input id="Button10" type="button" value="addMarker" onclick="addMarker()" /> </body> </html>
项目目录：
运行效果：
希望有所帮助！