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  • 高德地图JS API获取经纬度,根据经纬度获取城市

    <!DOCTYPE HTML>
    <html>
    <head>
        <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
        <title>输入提示后查询,点击获取坐标</title>
        <style type="text/css">
    
            #mapContainer{
                position: absolute;
                top:0;
                left: 0;
                right:0;
                bottom:0;
            }
    
            #tip{
                background-color:#fff;
                border:1px solid #ccc;
                padding-left:10px;
                padding-right:2px;
                position:absolute;
                min-height:65px;
                top:10px;
                font-size:12px;
                right:10px;
                border-radius:3px;
                overflow:hidden;
                line-height:20px;
                min-width:30%;
            }
            #tip input[type="button"]{
                background-color: #0D9BF2;
                height:25px;
                text-align:center;
                line-height:25px;
                color:#fff;
                font-size:12px;
                border-radius:3px;
                outline: none;
                border:0;
                cursor:pointer;
            }
    
            #tip input[type="text"]{
                height:25px;
                border:1px solid #ccc;
                padding-left:5px;
                border-radius:3px;
                outline:none;
            }
            #pos{
                height: 110px;
                background-color: #fff;
                padding-left: 10px;
                padding-right: 10px;
                position:absolute;
                font-size: 12px;
                right: 10px;
                bottom: 30px;
                border-radius: 3px;
                line-height: 30px;
                border:1px solid #ccc;
            }
            #pos input{
                border:1px solid #ddd;
                height:23px;
                border-radius:3px;
                outline:none;
                width: 100px;
            }
    
            #result1{
                max-height:300px;
            }
            b{
                display: block;margin: 5px 0;
            }
        </style>
    </head>
    <body>
    <div style=" 500px;height: 500px;position: relative;">
        <div id="mapContainer"></div>
        <div id="tip">
            <b>请输入关键字:</b>
            <input type="text" id="keyword" name="keyword" value="" onkeydown='keydown(event)' style=" 95%;"/>
            <div id="result1" name="result1"></div>
        </div>
        <div id="pos">
            <b>鼠标左键在地图上单击获取坐标</b>
            <div>X:<input type="text" id="lngX" name="lngX" value=""/> Y:<input type="text" id="latY" name="latY" value=""/></div>
            <div>城市:<input type="text" id="city" name="city" value=""/></div>
        </div>
    </div>
    
    <!--请把js引入部分的key值换成你申请下来的,要不然不能用哦~~-->
    <script type="text/javascript" src="http://webapi.amap.com/maps?v=1.3&key=84a1f826e2e135184370cddc9e7848acluo"></script>
    <script type="text/javascript">
        var windowsArr = [];
        var marker = [];
        var mapObj = new AMap.Map("mapContainer", {
            resizeEnable: true,
            view: new AMap.View2D({
                resizeEnable: true,
                zoom:13//地图显示的缩放级别
            }),
            keyboardEnable:false
        });
        var clickEventListener=AMap.event.addListener(mapObj,'click',function(e){
            console.log(e);
            document.getElementById("lngX").value=e.lnglat.getLng();
            document.getElementById("latY").value=e.lnglat.getLat();
            AMap.service('AMap.Geocoder',function(){//回调函数
                //实例化Geocoder
                geocoder = new AMap.Geocoder({
                    city: ""//城市,默认:“全国”
                });
                var lnglatXY=[e.lnglat.getLng(), e.lnglat.getLat()];//地图上所标点的坐标
                geocoder.getAddress(lnglatXY, function(status, result) {
                    if (status === 'complete' && result.info === 'OK') {
                        //获得了有效的地址信息:
                        //即,result.regeocode.formattedAddress
                        //console.log(result);
                        var city = result.regeocode.addressComponent.city;
                    }else{
                        var city = '获取失败';
                        //获取地址失败
                    }
                    document.getElementById("city").value=city;
                    console.log(city);
                });
            })
    
    
        });
    
    
        document.getElementById("keyword").onkeyup = keydown;
        //输入提示
        function autoSearch() {
            var keywords = document.getElementById("keyword").value;
            var auto;
            //加载输入提示插件
            AMap.service(["AMap.Autocomplete"], function() {
                var autoOptions = {
                    city: "" //城市,默认全国
                };
                auto = new AMap.Autocomplete(autoOptions);
                //查询成功时返回查询结果
                if ( keywords.length > 0) {
                    auto.search(keywords, function(status, result){
    
                        autocomplete_CallBack(result);
                    });
                }
                else {
                    document.getElementById("result1").style.display = "none";
                }
            });
        }
    
        //输出输入提示结果的回调函数
        function autocomplete_CallBack(data) {
            var resultStr = "";
            var tipArr = data.tips;
            if (tipArr&&tipArr.length>0) {
                for (var i = 0; i < tipArr.length; i++) {
                    resultStr += "<div id='divid" + (i + 1) + "' onmouseover='openMarkerTipById(" + (i + 1)
                        + ",this)' onclick='selectResult(" + i + ")' onmouseout='onmouseout_MarkerStyle(" + (i + 1)
                        + ",this)' style="font-size: 13px;cursor:pointer;padding:5px 5px 5px 5px;"" + "data=" + tipArr[i].adcode + ">" + tipArr[i].name + "<span style='color:#C1C1C1;'>"+ tipArr[i].district + "</span></div>";
                }
            }
            else  {
                resultStr = " π__π 亲,人家找不到结果!<br />要不试试:<br />1.请确保所有字词拼写正确<br />2.尝试不同的关键字<br />3.尝试更宽泛的关键字";
            }
            document.getElementById("result1").curSelect = -1;
            document.getElementById("result1").tipArr = tipArr;
            document.getElementById("result1").innerHTML = resultStr;
            document.getElementById("result1").style.display = "block";
        }
    
        //输入提示框鼠标滑过时的样式
        function openMarkerTipById(pointid, thiss) {  //根据id打开搜索结果点tip
            thiss.style.background = '#CAE1FF';
        }
    
        //输入提示框鼠标移出时的样式
        function onmouseout_MarkerStyle(pointid, thiss) {  //鼠标移开后点样式恢复
            thiss.style.background = "";
        }
    
        //从输入提示框中选择关键字并查询
        function selectResult(index) {
    
            if(index<0){
                return;
            }
            if (navigator.userAgent.indexOf("MSIE") > 0) {
                document.getElementById("keyword").onpropertychange = null;
                document.getElementById("keyword").onfocus = focus_callback;
            }
            //截取输入提示的关键字部分
            var text = document.getElementById("divid" + (index + 1)).innerHTML.replace(/<[^>].*?>.*</[^>].*?>/g,"");
            var cityCode = document.getElementById("divid" + (index + 1)).getAttribute('data');
            document.getElementById("keyword").value = text;
            document.getElementById("result1").style.display = "none";
            //根据选择的输入提示关键字查询
            mapObj.plugin(["AMap.PlaceSearch"], function() {
                var msearch = new AMap.PlaceSearch();  //构造地点查询类
                AMap.event.addListener(msearch, "complete", placeSearch_CallBack); //查询成功时的回调函数
                msearch.setCity(cityCode);
                //console.log(cityCode);
                msearch.search(text);  //关键字查询查询
            });
        }
    
        //定位选择输入提示关键字
        function focus_callback() {
            if (navigator.userAgent.indexOf("MSIE") > 0) {
                document.getElementById("keyword").onpropertychange = autoSearch;
            }
        }
    
        //输出关键字查询结果的回调函数
        function placeSearch_CallBack(data) {
            //清空地图上的InfoWindow和Marker
            windowsArr = [];
            marker     = [];
            mapObj.clearMap();
            var resultStr1 = "";
            var poiArr = data.poiList.pois;
            var resultCount = poiArr.length;
            for (var i = 0; i < resultCount; i++) {
                resultStr1 += "<div id='divid" + (i + 1) + "' onmouseover='openMarkerTipById1(" + i + ",this)' onmouseout='onmouseout_MarkerStyle(" + (i + 1) + ",this)' style="font-size: 12px;cursor:pointer;padding:0px 0 4px 2px; border-bottom:1px solid #C1FFC1;"><table><tr><td><img src="http://webapi.amap.com/images/" + (i + 1) + ".png"></td>" + "<td><h3><font color="#00a6ac">名称: " + poiArr[i].name + "</font></h3>";
                resultStr1 += TipContents(poiArr[i].type, poiArr[i].address, poiArr[i].tel) + "</td></tr></table></div>";
                addmarker(i, poiArr[i]);
            }
            mapObj.setFitView();
        }
    
        //鼠标滑过查询结果改变背景样式,根据id打开信息窗体
        function openMarkerTipById1(pointid, thiss) {
            thiss.style.background = '#CAE1FF';
            windowsArr[pointid].open(mapObj, marker[pointid]);
        }
    
        //添加查询结果的marker&infowindow
        function addmarker(i, d) {
            var lngX = d.location.getLng();
            var latY = d.location.getLat();
            var markerOption = {
                map:mapObj,
                icon:"http://webapi.amap.com/images/" + (i + 1) + ".png",
                position:new AMap.LngLat(lngX, latY)
            };
            var mar = new AMap.Marker(markerOption);
            marker.push(new AMap.LngLat(lngX, latY));
    
            var infoWindow = new AMap.InfoWindow({
                content:"<h3><font color="#00a6ac">  " + (i + 1) + ". " + d.name + "</font></h3>" + TipContents(d.type, d.address, d.tel),
                size:new AMap.Size(300, 0),
                autoMove:true,
                offset:new AMap.Pixel(0,-30)
            });
            windowsArr.push(infoWindow);
            var autoData = function (e) {
                var nowPosition = mar.getPosition(),
                    lng_str = nowPosition.lng,
                    lat_str = nowPosition.lat;
                infoWindow.open(mapObj, nowPosition);
                document.getElementById("lngX").value = lng_str;
                document.getElementById("latY").value = lat_str;
                AMap.service('AMap.Geocoder',function(){//回调函数
                    //实例化Geocoder
                    geocoder = new AMap.Geocoder({
                        city: ""//城市,默认:“全国”
                    });
                    var lnglatXY=[lng_str, lat_str];//地图上所标点的坐标
                    geocoder.getAddress(lnglatXY, function(status, result) {
                        if (status === 'complete' && result.info === 'OK') {
                            //获得了有效的地址信息:
                            //即,result.regeocode.formattedAddress
                            //console.log(result);
                            var city = result.regeocode.addressComponent.city;
                        }else{
                            var city = '获取失败';
                            //获取地址失败
                        }
                        document.getElementById("city").value=city;
                        console.log(city);
                    });
                })
            };
            AMap.event.addListener(mar, "mouseover", autoData);
        }
    
        //infowindow显示内容
        function TipContents(type, address, tel) {  //窗体内容
            if (type == "" || type == "undefined" || type == null || type == " undefined" || typeof type == "undefined") {
                type = "暂无";
            }
            if (address == "" || address == "undefined" || address == null || address == " undefined" || typeof address == "undefined") {
                address = "暂无";
            }
            if (tel == "" || tel == "undefined" || tel == null || tel == " undefined" || typeof address == "tel") {
                tel = "暂无";
            }
            var str = "  地址:" + address + "<br />  电话:" + tel + " <br />  类型:" + type;
            return str;
        }
        function keydown(event){
            var key = (event||window.event).keyCode;
            var result = document.getElementById("result1")
            var cur = result.curSelect;
            if(key===40){//down
                if(cur + 1 < result.childNodes.length){
                    if(result.childNodes[cur]){
                        result.childNodes[cur].style.background='';
                    }
                    result.curSelect=cur+1;
                    result.childNodes[cur+1].style.background='#CAE1FF';
                    document.getElementById("keyword").value = result.tipArr[cur+1].name;
                }
            }else if(key===38){//up
                if(cur-1>=0){
                    if(result.childNodes[cur]){
                        result.childNodes[cur].style.background='';
                    }
                    result.curSelect=cur-1;
                    result.childNodes[cur-1].style.background='#CAE1FF';
                    document.getElementById("keyword").value = result.tipArr[cur-1].name;
                }
            }else if(key === 13){
                var res = document.getElementById("result1");
                if(res && res['curSelect'] !== -1){
                    selectResult(document.getElementById("result1").curSelect);
                }
            }else{
                autoSearch();
            }
        }
    </script>
    </body>
    </html>
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  • 原文地址:https://www.cnblogs.com/lguow/p/9329784.html
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