百度地图自定义多关键字检索并对搜索结果进行处理
首先是进入直接进行定位
之后加入了百度提供的输入参考框，便于地图地点选择
同时提供了定位按钮功能
进行多关键字检索，并对检索结果进行处理
<div>
<div>
<a>address:</a>
<input type="text" id="suggestId" placeholder=""
value="wuxi" style="margin-top: 10px; background-color: #F0F0F0">
<input type="button" value="search"
style="font-size: 20px; margin-top: 10px; background-color: #c8e6de"
onclick="searchBymPoint();" />
</div>
<div id="searchResultPanel"
style="border: 1px solid #C0C0C0; width: 150px; height: auto; display: none;"></div>
<div style="width: 100%;">
<div id="allmap"></div>
</div>
</div>js代码
<script type="text/javascript">
var PLACE_lng; // 纬度
var PLACE_lat; // 经度
var placename = ""; // 当前地名
function G(id) {
return document.getElementById(id);
}
var map = new BMap.Map("allmap");
map.enableScrollWheelZoom(); //启用滚轮放大缩小，默认禁用
map.enableContinuousZoom(); //启用地图惯性拖拽，默认禁用
map.addControl(new BMap.NavigationControl()); //添加默认缩放平移控件
/* map.enableGeolocation(); */
map.centerAndZoom("无锡", 12); // 初始化地图,设置城市和地图级别。
// 地图上面 添加定位控件
var geolocationControl = new BMap.GeolocationControl();
geolocationControl.addEventListener("locationSuccess", function(e){
// 定位成功事件
// 更新当前位置
// 更新中心点位置
PLACE_lng = e.point.lng;
PLACE_lat = e.point.lat;
//解析经纬度
var geoc = new BMap.Geocoder();
geoc.getLocation(new BMap.Point(PLACE_lng,PLACE_lat),function(res){
// alert(res.addressComponents.city);
// 更新当前位置
placename = '';
placename = res.address;
/* placename += e.addressComponent.city;
placename += e.addressComponent.district;
placename += e.addressComponent.street;
placename += e.addressComponent.streetNumber; */
document.getElementById("suggestId").value = placename;
});
});
geolocationControl.addEventListener("locationError",function(e){
// 定位失败 不改变原来的中心点
alert("信号太差，定位失败");
});
map.addControl(geolocationControl);
// 一开始的浏览器定位
var geolocation = new BMap.Geolocation();
geolocation.getCurrentPosition(function(r){
if(this.getStatus() == BMAP_STATUS_SUCCESS){
var mk = new BMap.Marker(r.point);
map.addOverlay(mk);
map.panTo(r.point);
PLACE_lng = r.point.lng;
PLACE_lat = r.point.lat;
//解析经纬度
var geoc = new BMap.Geocoder();
geoc.getLocation(new BMap.Point(PLACE_lng,PLACE_lat),function(res){
// alert(res.addressComponents.city);
// 更新当前位置
placename = '';
placename = res.address;
document.getElementById("suggestId").value = placename;
/* placename += res.addressComponent.city;
placename += res.addressComponent.district;
placename += res.addressComponent.street;
placename += res.addressComponent.streetNumber;
var temp1 = res.addressComponent.city + res.addressComponent.district + res.addressComponent.street + res.addressComponent.streetNumber;
document.getElementById("suggestId").value = temp1; */
});
// alert('您的位置：'+r.point.lng+','+r.point.lat);
// document.getElementById("result_").value = r.point.lng + "," + r.point.lat;//这里是追加到对应的input文本框里，可以根据自己的需要来修改
}
else {
// alert('failed'+this.getStatus());
// 浏览器定位失败 默认中心点位置
PLACE_lng = 120.273;
PLACE_lat = 31.488;
}
},{enableHighAccuracy: true})
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.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
// 更新中心点位置
PLACE_lng = pp.lng;
PLACE_lat = pp.lat;
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);
}
function searchBymPoint() {
map.clearOverlays();//清空原来的标注
// 中心点 PLACE_lng PLACE_lat 附近区域检索
var mPoint = new BMap.Point(PLACE_lng, PLACE_lat); // 中心点
map.enableScrollWheelZoom();
map.centerAndZoom(mPoint,15);
var circleSize = 1000; // 区域范围
var circle = new BMap.Circle(mPoint,circleSize,{fillColor:"blue", strokeWeight: 1 ,fillOpacity: 0.3, strokeOpacity: 0.3});
map.addOverlay(circle);
var ResultArray = [];
var local = new BMap.LocalSearch(
map,
{
renderOptions: {map: map, autoViewport: false},
onSearchComplete : function(results) {
// 需要获取当前搜索总共有多少条结果
// var totalResults = results[0].length;
// 从检索结果中筛选，放入 ResultArray
// ResultArray.push(hospital这种东西);
// var te1 = matchHospital("哈尔滨市*医院");
for (var resultList of results){
for (var result of resultList.Ar){
// 这里进行筛选符合条件的添加
// var notIn122 = matchHospital(result.title);
// 对结果的detailUrl进行替换
result.detailUrl = "getHospitalInfoServlet?hospitalName=" + encodeURI(result.title) + "&hospitalPlace=" + encodeURI(result.address);
// 存在返回true，不存在返回false
ResultArray.push(result);
/*
筛选
if(!matchHospital(result.title)){
ResultArray.push(result);
}
*/
}
//document.write(cars[i] + "<br>");
}
// alert("totalResults:" + totalResults);
// 重新标注
map.clearOverlays();
// 重新画圈
map.addOverlay(circle);
// 重新标点
for (var hospital of ResultArray){
// console.log('dayin');
// var point = new BMap.Point(116.404, 39.915);
// var marker = new BMap.Marker(point);
var marker = new BMap.Marker(hospital.point);
map.addOverlay(marker);
}
}
}
);
var myKeys = ["医院", "诊所", "卫生室", "社康中心", "卫生院", "卫生站"]; // , "社区卫生"
local.searchNearby(myKeys,mPoint,circleSize);
/* var local = new BMap.LocalSearch(map, {renderOptions: {map: map, autoViewport: false}});
local.searchNearby('医院',mPoint,circleSize); */
/* var local = new BMap.LocalSearch(map, {
renderOptions:{map: map, panel:"r-result"},
});
local.searchInBounds(myKeys, map.getBounds()); */
}
</script>
以下是返回值的说明：
1.根据6个关键字检索的得到的结果
2. 第一个关键字检索返回
3. 第一个关键字检索结果列表
4.最终的单个检索结果