JavaScript地图手动输入起始与终点位置搜索

最新推荐文章于 2023-04-07 12:09:26 发布

rookieStruggling

最新推荐文章于 2023-04-07 12:09:26 发布

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分类专栏： JavaScript

本文链接：https://blog.youkuaiyun.com/luckyJieXu/article/details/64440613

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<!DOCTYPE html>
<html>
<head>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
    <meta name="viewport" content="initial-scale=1.0, user-scalable=no" />
    <style type="text/css">
        body, html{width: 100%;height: 100%;margin:0;font-family:"微软雅黑";font-size:14px;}
        #l-map{height:300px;width:300px;margin-left: 50px;}
        #r-result{width:100%;}
    </style>
    <script type="text/javascript" src="http://api.map.baidu.com/api?v=2.0&ak=g0hrUacEObGE5H4yOGxRE55Dnvoc5A8O"></script>
    <title>关键字输入提示词条</title>
</head>
<body>
   <div id="l-map"></div>
   <div id="r-result">
       开始位置:<input type="text" id="suggestId" size="20" style="width:150px;" />
       结束位置：<input type="text" id="ee" size="20" style="width: 150px;">
   </div>
   <div id="driving_way">
       <select>
           <option value="0">最少时间</option>
           <option value="1">最少换乘</option>
           <option value="2">最少步行</option>
           <option value="3">不乘地铁</option>
       </select>
       <input type="button" id="result" value="查询"/>
   </div>
   <div id="searchResultPanel" style="border:1px solid #C0C0C0;width:150px;height:auto; display:none;"></div>
</body>
</html>
<script type="text/javascript">
    // 百度地图API功能
    function G(id) {
        return document.getElementById(id);
    }

    var map = new BMap.Map("l-map");
    map.centerAndZoom("合肥",12);                   // 初始化地图,设置城市和地图级别。

    var ac = new BMap.Autocomplete(    //建立一个自动完成的对象
            {"input" : "suggestId"
                ,"location" : map
            });
    var ab = new BMap.Autocomplete(    //建立一个自动完成的对象
            {"input" : "ee"
                ,"location" : map
            });

    map.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;
    var start = 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();
    });
    var myValue;
    var end = ab.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
            map.centerAndZoom(pp, 18);
            map.addOverlay(new BMap.Marker(pp));    //添加标注
        }
        var local = new BMap.LocalSearch(map, { //智能搜索
            onSearchComplete: myFun
        });
        local.search(myValue);
    }
    var routePolicy = [BMAP_TRANSIT_POLICY_LEAST_TIME,BMAP_TRANSIT_POLICY_LEAST_TRANSFER,BMAP_TRANSIT_POLICY_LEAST_WALKING,BMAP_TRANSIT_POLICY_AVOID_SUBWAYS];
    var transit = new BMap.TransitRoute(map, {
        renderOptions: {map: map},
        policy: 0
    });
    var rst = document.getElementById("result");
   rst.click(function(){
        map.clearOverlays();
        var i=$("#driving_way select").val();
        search(start,end,routePolicy[i]);
        function search(start,end,route){
            transit.setPolicy(route);
            transit.search(start,end);
        }
    });
</script>
运行结果：