百度地图关键字输入提示并增加标注-BMap.Autocomplete
Autocomplete
集成百度地图并支持关系字输入提示，主要用到的是BMap.Autocomplete，方法调用如下：
效果
代码
<!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=key" charset="UTF-8"></script><title>百度地图关键字输入提示并增加标注-BMap.Autocomplete</title></head><body><div id="l-map"></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:'';"></div><div id="searchResultText"></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("北京",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 }); if(G("11ea-e811-fa302a6f-b1a6-bffe28e07ff5_position").value!=null && G("11ea-e811-fa302a6f-b1a6-bffe28e07ff5_position").value!='' ){ ac.setInputValue(G("suggestId").value); searchByStationName(G("suggestId").value); } 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 console.info("x----->"+pp.lng+"经度->"+pp.lat); G("searchResultText").value="x----->"+pp.lng+"经度->"+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); } //根据中文位置去定位，并增加标注 function searchByStationName(keyword){ var localSearch= new BMap.LocalSearch (map, { renderOptions: { pageCapacity: 18, autoViewport: true, selectFirstResult: false } }); localSearch.setSearchCompleteCallback(function(searchResult){ var poi = searchResult.getPoi(0); map.centerAndZoom(poi.point, 18); map.addOverlay(new BMap.Marker(poi.point)); //添加标注 }); localSearch.search(keyword); } //根据坐标去定位，并增加标注 function addOverlayByPoint(lng,lat){ var point = new BMap.Point(lng,lat; map.centerAndZoom(point, 8); var marker = new BMap.Marker(point); map.addOverlay(marker); } </script>
结束语
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