高德地图实现根据多个坐标 获取多个标点

<div id="container"></div>
<select style="display: none;" id="identity2"></select>
<select style="display: none;" id="identity1"></select>

<script src="https://webapi.amap.com/maps?v=1.4.0&key=amapCN7SgLRMC&callback=init"/></script>
	<script>
	$(function() {
		$.ajax({
			type: "post",
			url: baseRequestUrl + "/admin/receptionInfo/selAddress",
			success: function(data) {
				console.log(data.hotelInfoList);
				$.each(data.hotelInfoList, function(index, item) {
					$("#identity2").append("<option>" + item.hotelLat + "</option>");
					$("#identity1").append("<option>" + item.hotelLng + "</option>");
				})
			}
		});
	})


	 function init(){
		var hotelLat = new Array(); //定义数组
		var hotelLng = new Array();
	    $("#identity2 option").each(function(){ //遍历全部option
	        var txt = $(this).text(); //获取option的内容
	        if(txt != "全部") //如果不是“全部”
	            hotelLat.push(txt); //添加到数组中
	    });
	    $("#identity1 option").each(function(){ //遍历全部option
	        var txt = $(this).text(); //获取option的内容
	        if(txt != "全部") //如果不是“全部”
	            hotelLng.push(txt); //添加到数组中
	    });
		 var map = new AMap.Map('container', {
	        resizeEnable: true,
	        zoom: 5
	  });
	   var markers = [];
	  var positions = [];
	  for(var i = 0; i < hotelLat.length; i++) {
				positions.push([hotelLng[i],hotelLat[i]]);
			}
	   
	
	    for (var i = 0, marker; i < positions.length; i++) {
	        marker = new AMap.Marker({
	            map: map,
	            position: positions[i],
	            image: 'http://vdata.amap.com/icons/b18/1/2.png',
	            offset: new AMap.Pixel(-13, -30)
	        });
	        marker.setCenter([106.274764, 35.23551]);
	        markers.push(marker);
	    }
	}
	</script>

后台代码

@Log("网站查询地址")
    @ResponseBody
    @RequestMapping(value ="/selAddress", method = RequestMethod.POST)
    public Map<String,Object> selAddress(HotelInfo hotelInfo, HttpServletResponse response)throws UnsupportedEncodingException{
        Map<String,Object> map = new HashMap<String,Object>();
        //这里写你的查询
        List<HotelInfo> hotelInfoList = receptionInfoService.selAddress(hotelInfo);
        map.put("hotelInfoList",hotelInfoList);
        response.addHeader("Access-Control-Allow-Origin", "*");
        response.addHeader("Access-Control-Allow-Methods", "GET, POST, PUT, DELETE, OPTIONS");
        response.setHeader("Access-Control-Allow-Headers", "x-requested-with");
        response.addHeader("Access-Control-Max-Age", "1800");//30 min
        return map;//返回到页面  map里面定义的XXX  到页面上直接data.XX
    }