buying/WebContent/static/mobile/js/yiqing.js

var id = mobile.getUrlVars('id');
var index;
var map = new BMap.Map("map");
var myGeo = new BMap.Geocoder();
var mypoint;
mui.init();
mui.ready(function() {
    initmap();
	$("#location").on("tap","li",function(){
        $('#location').hide();
        mypoint = new BMap.Point($(this).find(".longitude").html(),$(this).find(".latitude").html());
        var allOverlay = map.getOverlays();
        for (var i = 0; i < allOverlay.length -1; i++){
            console.info(allOverlay[i].getTitle());
            if(allOverlay[i].getTitle() == "位置"){
                map.removeOverlay(allOverlay[i]);
            }
        }
        addPoint();
	});

    //搜索
    $(".mui-search").on("input propertychange","input[type='search']",function(){
		var key = $.trim($('.mui-indexed-list-search-input').val());
		local.search(key);
	});
    //搜索
    $("#search").on("tap",function(){
    	var key = $.trim($('.mui-indexed-list-search-input').val());
    	local.search(key);
    });
    //隐藏
    $(".mui-icon-closeempty").on("tap",function(){
        $('.source').hide();
    });
    var options = {
	    onSearchComplete: function(results){
	    	$('#location').html('');
	        if (local.getStatus() == BMAP_STATUS_SUCCESS){      
	            for (var i = 0; i < results.getCurrentNumPois(); i ++){
	            	(function(i){
		            	var place = results.getPoi(i);
		            	var point = new BMap.Point(place.point.lng,place.point.lat);
		            	myGeo.getLocation(point, function(result){      
		            		if (result){      
	            				var addComp = result.addressComponents;
		            			var html = '<li class="mui-table-view-cell" style="padding: 0.15rem 0.3rem" province="'+place.province+'" city="'+place.city+'" district="'+addComp.district+'">' +
				                    '<p class="mui-ellipsis-2 color1 fs16">'+
				     				'<i class="fs16 color2 mui-icon iconfont icon-shouhuodizhi"></i><span class="address">' + place.title + '</span></p>' +
				                    '<span class="longitude" style="display: none;">' + place.point.lng + '</span>' +
				                    '<span class="latitude" style="display: none;">' + place.point.lat + '</span>' +
				                    '<span class="postCode" style="display: none;"></span>' +
				                    '</li>';
					                $('#location').append(html);
                                    $('#location').show();
		            		}      
		            	});
	            	})(i);  
	            }     
	        }      
	    }      
	 };      
	var local = new BMap.LocalSearch(map, options);      
});

//初始化地图
function initmap() {
    $("#map").css("height",$(window).height()-$(".mui-search").height()-$(".mui-bar-tab").height());
    map.centerAndZoom(new BMap.Point(117.950, 28.463), 16);
    var top_right_navigation = new BMap.NavigationControl({anchor: BMAP_ANCHOR_TOP_LEFT, type: BMAP_NAVIGATION_CONTROL_SMALL});
    map.addControl(top_right_navigation);
    map.enableScrollWheelZoom();
	map.enableDragging();
	wx.ready(function(){
        index = layer.open({type: 3, shadeClose:false, content: '定位中...'});
		wx.getLocation({
		    type: 'wgs84', // 默认为wgs84的gps坐标，如果要返回直接给openLocation用的火星坐标，可传入'gcj02'
		    success: function (res) {
		        $.ajax({
		            url:'http://api.map.baidu.com/geoconv/v1/?coords='+res.longitude+','+res.latitude+'&from=1&to=5&ak=3Q4laSROftZI4chFMPVUno90',
		            dataType:'jsonp',
		            processData: false,
		            type:'get',
		            success:function(data){
                        layer.close(index);
		                if (data.status=='0'){
		                	var latitude=data.result[0].y;
							var longitude=data.result[0].x;
                            mypoint = new BMap.Point(longitude,latitude);
                            addPoint();
		                }else{
		                	layer.msg('坐标转换失败');
		                }
		            },
		            error:function(XMLHttpRequest, textStatus, errorThrown) {
                        layer.close(index);
		                layer.msg('坐标转换失败');
		            }
		        });
		    }
		});
	});
}

function getAddress(baiduPointLat, baiduPointLng) {
	$('#location').html('');
	
	 var url = 'http://api.map.baidu.com/geocoder/v2/?ak=3Q4laSROftZI4chFMPVUno90' +
     '&callback=renderReverse' + 
     '&location=' + baiduPointLat + ',' + baiduPointLng + 
     '&output=json' + 
     '&pois=1';
	 
     $.ajax({ 
     	type: 'GET', 
    	dataType: 'jsonp', 
     	url: url,
     	beforeSend: function() {
     		//index = layer.open({type: 3, shadeClose:false, content: '加载中...'});
     	},
    	success: function(json) {
    		layer.close(index);
     		if (json == null || typeof (json) == 'undefined') { 
     			return; 
     		} 
     		if (json.status != '0') { 
    			return; 
     		}
     		
     		var result = json.result;
     		var province = result.addressComponent.province;
     		var city = result.addressComponent.city;
     		var district = result.addressComponent.district;
     		
     		for (var i = 0; i < json.result.pois.length; i++) {
     			var poi = json.result.pois[i];
     			var html = '<li class="mui-table-view-cell" province="'+province+'" city="'+city+'" district="'+district+'">' +
                    '<p class="mui-ellipsis-2 color1 fs16 mb5">'+
     				'<i class="fs16 color2 mui-icon iconfont icon-shouhuodizhi"></i><span class="address">' + poi.name + '</span></p>' +
                    '<p>' + poi.addr + '</p>' +
                    '<span class="longitude" style="display: none;">' + poi.point.x + '</span>' +
                    '<span class="latitude" style="display: none;">' + poi.point.y + '</span>' +
                    '<span class="postCode" style="display: none;">' + poi.zip + '</span>' +
		        '</li>';
     			$('#location').append(html);
     		}
     	}, 
     	error: function (XMLHttpRequest, textStatus, errorThrown) {
     		layer.close(index);
     		layer.open({content:'地址位置获取失败', time:3});
     		$('#refreshLocation').show(); 
     	} 
     }); 
}



function addPoint(){
    map.clearOverlays();
    map.panTo(mypoint);
    var myIcon = new BMap.Icon(base+"/static/mobile/image/p.png", new BMap.Size(48,48));
    var marker = new BMap.Marker(mypoint,{icon:myIcon});// 创建标注
    marker.setTitle("位置");
    map.addOverlay(marker);// 将标注添加到地图中
    yiying();
}

function yiying(){
    var min=0;
    var minYiqing;
    var km3=0;
    var km5=0;
    $.each(yiqing,function (i,item) {
        var point = new BMap.Point(item.lng,item.lat);
        var myIcon = new BMap.Icon(base+"/static/mobile/image/y.png", new BMap.Size(40,40));
        var marker = new BMap.Marker(point,{icon:myIcon});// 创建标注
        marker.setTitle("病历");
        map.addOverlay(marker);// 将标注添加到地图中
        var distance = parseInt(map.getDistance(mypoint,point));
        if (distance<=3000){
            km3++;
        }
        if (distance<=5000){
            km5++;
        }
        if (i==0 ){
            min = distance;
            minYiqing=item;
        }else{
            if (distance<min){
                min = distance;
                minYiqing=item;
            }
        }
    });
    $(".distance").html(getDistance(min));
    $(".address").html(minYiqing.address);
    $(".km3").html("3公里内有"+km3+"个病例");
    $(".km5").html("5公里内有"+km5+"个病例");
    var point = new BMap.Point(minYiqing.lng,minYiqing.lat);
    map.panTo(point);
    $(".source").show();
}

function getDistance(distance){
    var i= parseInt(distance);
    if(i<1000){
        return i+"米";
    }else{
        var f = parseFloat(i/1000);
        if (isNaN(f)) {
            return;
        }
        f = Math.round(i/1000 * 10) / 10;
        return f+"公里";
    }
}