仿饿了么LBS移动地图点餐系统代码

JS代码

<script type="text/javascript" src="http://webapi.amap.com/maps?v=1.3&key=b245ae8390f2ecdc0e5706241c28fc7b"></script>
	<script type="text/javascript">
		var map, toolBar, mouseTool, contextMenu;
		//初始化地图对象，加载地图
		map = new AMap.Map("Map", {
			resizeEnable: true
		});

	  //设置城市
		document.getElementById('query').onclick = function(){
			var cityName = document.getElementById('cityName').value;
			if(!cityName){
				cityName = '北京市';
			}
			map.setCity(cityName);
		};



		//地图中添加地图操作ToolBar插件、鼠标工具MouseTool插件
		map.plugin(["AMap.ToolBar","AMap.MouseTool"], function(){		
			toolBar = new AMap.ToolBar(); 
			map.addControl(toolBar);	
	        mouseTool = new AMap.MouseTool(map); 	
		});	
		
		//自定义右键菜单内容
		var menuContent = document.createElement("div");
		menuContent.innerHTML = "<div class='Menu'>"+
			"<ul>"+
				"<li class='hover' onclick='zoomMenu(0)'>缩小</li>"+
				"<li onclick='zoomMenu(1)'>放大</li>"+
				"<li onclick='distanceMeasureMenu()'>测量距离</li>"+
				"<li onclick='addMarkerMenu()'>添加标记</li>"
			+"<ul>"
		+"</div>"
		//创建右键菜单
		contextMenu = new AMap.ContextMenu({isCustom:true,content:menuContent});//通过content自定义右键菜单内容
		
		//地图绑定鼠标右击事件——弹出右键菜单
		AMap.event.addListener(map, 'rightclick', function(e){
			contextMenu.open(map, e.lnglat);
			contextMenuPositon = e.lnglat; //右键菜单位置
		});
	    contextMenu.close();
		//右键菜单缩放地图
		function zoomMenu(tag){
			if(tag === 0){	map.zoomOut();}
			if(tag === 1){	map.zoomIn();}
		       contextMenu.close();
		}
			
		//右键菜单距离量测
		function distanceMeasureMenu(){
			mouseTool.rule();
		       contextMenu.close();
		}
		
		//右键菜单添加Marker标记
		function addMarkerMenu(){
			mouseTool.close();
			var marker = new AMap.Marker({
				map: map,
				position: contextMenuPositon, //基点位置
				icon: "http://webapi.amap.com/images/marker_sprite.png", //marker图标，直接传递地址url
				offset: {x:-8,y:-34} //相对于基点的位置
			});
	        contextMenu.close();
		}
	</script>