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使用百度地图实现详细地址自动补全

<!DOCTYPE html>
<html>
<head>
    <meta name="viewport" content="initial-scale=1.0, user-scalable=no" />
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
    <title>地址选择</title>
    <style type="text/css">
        body, html{ 100%;height: 100%;margin:0;font-family:"微软雅黑";font-size:14px;}
        #l-map{height:500px;100%;}
        #r-result{100%;}
    </style>
   <script type="text/javascript" src="http://api.map.baidu.com/api?v=2.0&ak=EG3bwH1OHAQZMbDYU5Cuq5Zc935lhmFn"></script>
</head>

<body>
<div id="r-result"><input type="text" id="suggestId" size="20"  style="500px;height:30px" placeholder="请输入地址"/>
    <input type="button" onclick="addrSearch()" class="btn btn-danger" value="搜索" style=" 150px;height: 35px">
</div>
<div id="searchResultPanel" style="border:1px solid #C0C0C0;150px;height:auto; display:none;"></div>
<div id="l-map"></div>
<script type="text/javascript">
    var marker;
    var zoomSize = 18;
    var map = new BMap.Map("l-map");
    var lon = 116.404;  //默认为北京市
    var lat= 39.915;

    //业务处理，获取业务中的经纬度，有则处理，没有则用默认北京
    if(typeof getBizPoint == "function"){
        var pointJson = getBizPoint();
        lon = pointJson.lon;
        lat = pointJson.lat;
    }

    //确定中心位置
    var point = new BMap.Point(lon, lat);
    map.centerAndZoom(point, zoomSize);


    //标注
    marker = new BMap.Marker(point);// 创建标注
    map.addOverlay(marker);             // 将标注添加到地图中
    marker.enableDragging();           // 可拖拽
    marker.addEventListener("dragend", setBizValue);

    // 添加带有定位的导航控件
    var navigationControl = new BMap.NavigationControl({
        // 靠左上角位置
        anchor: BMAP_ANCHOR_TOP_LEFT,
        // LARGE类型
        type: BMAP_NAVIGATION_CONTROL_LARGE,
        // 启用显示定位
        enableGeolocation: true
    });
    map.addControl(navigationControl);

    var geoc = new BMap.Geocoder();


    //输入地址事件处理 start
    var ac = new BMap.Autocomplete(    //建立一个自动完成的对象
            {"input" : "suggestId"
                ,"location" : map
            });

    ac.addEventListener("onhighlight", function(e) {  //鼠标放在下拉列表上的事件
        var str = "";
        var _value = e.fromitem.value;
        var value = "";
        if (e.fromitem.index > -1) {
            value = _value.province +  _value.city +  _value.district +  _value.street +  _value.business;
        }
        str = "FromItem<br />index = " + e.fromitem.index + "<br />value = " + value;

        value = "";
        if (e.toitem.index > -1) {
            _value = e.toitem.value;
            value = _value.province +  _value.city +  _value.district +  _value.street +  _value.business;
        }
        str += "<br />ToItem<br />index = " + e.toitem.index + "<br />value = " + value;
        G("searchResultPanel").innerHTML = str;
    });

    var myValue;
    ac.addEventListener("onconfirm", function(e) {    //鼠标点击下拉列表后的事件
        var _value = e.item.value;
        myValue = _value.province +  _value.city +  _value.district +  _value.street +  _value.business;
        G("searchResultPanel").innerHTML ="onconfirm<br />index = " + e.item.index + "<br />myValue = " + myValue;
        setPlace();
    });

    function setPlace(){
        map.clearOverlays();    //清除地图上所有覆盖物
        function myFun(){
            var pp = local.getResults().getPoi(0).point;    //获取第一个智能搜索的结果
            setBizValueForPoint(pp);
            map.centerAndZoom(pp, zoomSize);
            marker = new BMap.Marker(pp);
            marker.enableDragging();           // 可拖拽
            map.addOverlay(marker);    //添加标注
            marker.addEventListener("dragend", setBizValue);
        }
        var local = new BMap.LocalSearch(map, { //智能搜索
            onSearchComplete: myFun
        });
        local.search(myValue);
    }

    function G(id) {
        return document.getElementById(id);
    }
    //输入地址事件处理 end


    //地址转坐标
    function addrSearch(serachAddr){
       // 创建地址解析器实例
        var myGeo = new BMap.Geocoder();
        // 将地址解析结果显示在地图上,并调整地图视野
        if(!serachAddr){
            serachAddr = $("#suggestId").val();
        }
        myGeo.getPoint(serachAddr, function(point){
            if (point) {
                setBizValueForPoint(point);
                map.clearOverlays();
                map.centerAndZoom(point, zoomSize);
                marker = new BMap.Marker(point);
                marker.enableDragging();           // 可拖拽
                map.addOverlay(marker);    //添加标注
                marker.addEventListener("dragend", setBizValue);

            }else{
                console.log("search click no results!")
            }
        });

    }

    //业务方法 start
    //根据事件，设置经纬度和地址
    function setBizValue(e){
        var point = e.point;
        setBizValueForPoint(point);
    }

    //根据Point，设置经纬度和地址
    function setBizValueForPoint(point){
        lon = point.lng;
        lat = point.lat;
        geoc.getLocation(point, function(rs){
            var addComp = rs.addressComponents;
            addr = addComp.province + addComp.city + addComp.district  + addComp.street + addComp.streetNumber;
            if(typeof setBizFun == "function"){
                setBizFun({lon:lon,lat:lat,addr:addr});
            }
        });

    }

    //根据marker，设置经纬度和地址
    function setBizValueForMarker(){
        var point = marker.getPosition();
        setBizValueForPoint(point);
    }

    //end

</script>
</body>
</html>

简洁版的检索

<!DOCTYPE html>
<html>
<head>
    <meta name="viewport" content="initial-scale=1.0, user-scalable=no" />
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
    <title>地址选择</title>
    <style type="text/css">
        body, html{ 100%;height: 100%;margin:0;font-family:"微软雅黑";font-size:14px;}
        
        #r-result{100%;}
    </style>
   <script type="text/javascript" src="http://api.map.baidu.com/api?v=2.0&ak=EG3bwH1OHAQZMbDYU5Cuq5Zc935lhmFn"></script>
</head>

<body>
<div id="r-result"><input type="text" id="suggestId" size="20"  style="500px;height:30px" placeholder="请输入地址"/>
    <input type="button" onclick="addrSearch()" class="btn btn-danger" value="搜索" style=" 150px;height: 35px">
</div>
<div id="searchResultPanel" style="border:1px solid #C0C0C0;150px;height:auto; display:none;"></div>
<div id="l-map"></div>
<script type="text/javascript">
    var marker;
    var zoomSize = 18;
    var map = new BMap.Map("l-map");
    var lon = 116.404;  //默认为北京市
    var lat= 39.915;

    //业务处理，获取业务中的经纬度，有则处理，没有则用默认北京
    if(typeof getBizPoint == "function"){
        var pointJson = getBizPoint();
        lon = pointJson.lon;
        lat = pointJson.lat;
    }
    //确定中心位置
    var point = new BMap.Point(lon, lat);
    map.centerAndZoom(point, zoomSize);
    //标注
    marker = new BMap.Marker(point);// 创建标注
    marker.addEventListener("dragend", setBizValue);

    // 添加带有定位的导航控件
    var navigationControl = new BMap.NavigationControl({
        // 靠左上角位置
        anchor: BMAP_ANCHOR_TOP_LEFT,
        // LARGE类型
        type: BMAP_NAVIGATION_CONTROL_LARGE,
        // 启用显示定位
        enableGeolocation: true
    });
    //输入地址事件处理 start
    var ac = new BMap.Autocomplete(    //建立一个自动完成的对象
            {"input" : "suggestId"
                ,"location" : map
            });

    ac.addEventListener("onhighlight", function(e) {  //鼠标放在下拉列表上的事件
        var str = "";
        var _value = e.fromitem.value;
        var value = "";
        if (e.fromitem.index > -1) {
            value = _value.province +  _value.city +  _value.district +  _value.street +  _value.business;
        }
        str = "FromItem<br />index = " + e.fromitem.index + "<br />value = " + value;

        value = "";
        if (e.toitem.index > -1) {
            _value = e.toitem.value;
            value = _value.province +  _value.city +  _value.district +  _value.street +  _value.business;
        }
        str += "<br />ToItem<br />index = " + e.toitem.index + "<br />value = " + value;
        G("searchResultPanel").innerHTML = str;
    });

    var myValue;
    ac.addEventListener("onconfirm", function(e) {    //鼠标点击下拉列表后的事件
        var _value = e.item.value;
        myValue = _value.province +  _value.city +  _value.district +  _value.street +  _value.business;
        G("searchResultPanel").innerHTML ="onconfirm<br />index = " + e.item.index + "<br />myValue = " + myValue;
        setPlace();
    });

    function G(id) {
        return document.getElementById(id);
    }
    //业务方法 start
    //根据事件，设置经纬度和地址
    function setBizValue(e){
        var point = e.point;
        setBizValueForPoint(point);
    }
</script>
</body>
</html>

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原文地址：https://www.cnblogs.com/fjkgrbk/p/baidu_map.html