百度API 搜索框，获取相应的地点的uid

在百度API的输入框中怎么根据搜索到的地址获取百度的uid

<!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:100%;}
    #r-result{width:100%;}
</style>
<script type="text/javascript" src="http://api.map.baidu.com/api?v=2.0&ak=tiUu6XVSvDlm2XyqzrHyIj69QzSOg7DR"></script>
<title>关键字输入提示词条</title>

</head>
<body>

<div id="l-map" style="width:500px;height:500px"></div>
<div id="r-result">请输入:<input type="text" id="suggestId" size="20" value="百度" style="width:150px;" /></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");                  // 初始化地图,设置城市和地图级别。
map.centerAndZoom('杭州',12);
map.addControl(new BMap.MapTypeControl());   //添加地图类型控件
map.setCurrentCity("杭州");          // 设置地图显示的城市 此项是必须设置的
map.enableScrollWheelZoom(true);     //开启鼠标滚轮缩放
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

//console.log(e.fromitem);

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

console.log(e);

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);
}

map.addEventListener("click",function(e){
    map.clearOverlays();
    var marker = new BMap.Marker(new BMap.Point(e.point.lng,e.point.lat));
    //markers.push(marker);
    map.addOverlay(marker);
});

</script>

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