【百度地图API】交你如何用百度地图搜索自己的数据！不需数据库！

< html >
< head >
< meta http-equiv ="Content-Type" content ="text/html; charset=gb2312" />
< title > 自家数据+前端搜索 </ title >
< script type ="text/javascript" src ="http://api.map.baidu.com/api?v=1.1&services=true" ></ script >
</ head >
< body >
< div style ="width:520px;height:340px;border:1px solid gray" id ="container" ></ div >
< p >
二选一：
< input id ="type1" type ="radio" name ="type" value ="single" />< label for ="type1" > 精准查找 </ label >
< input id ="type2" type ="radio" name ="type" value ="more" checked ="checked" />< label for ="type2" > 模糊查找 </ label >
</ p >
< p > 二选一：

< input id ="show1" type ="radio" name ="show" value ="" checked ="checked" />< label for ="show1" > 仅查找到的内容 </ label >
< input id ="show2" type ="radio" name ="show" value ="all" />< label for ="show2" > 显示所有内容 </ label >
</ p >
< p >
< input id ="keyword" type ="text" style ="width:150px;" value ="银行" />
< input type ="button" value ="搜索" onclick ="search('type','show','keyword')" />
</ p >
</ body >
</ html >
< script type ="text/javascript" >
// 标注点数组
var BASEDATA = [
{title: " 奥亚酒店 " ,content: " 北苑路169号 " ,point: " 116.422792|40.009471 " ,isOpen: 1 ,icon:{w: 21 ,h: 21 ,l: 115 ,t: 46 ,x: 1 ,lb: 10 }},
{title: " 珀丽酒店 " ,content: " 将台西路8号 " ,point: " 116.484289|39.97936 " ,isOpen: 0 ,icon:{w: 21 ,h: 21 ,l: 0 ,t: 0 ,x: 6 ,lb: 5 }},
{title: " 北京银行 " ,content: " 北京市海淀区白石桥路39号 " ,point: " 116.329593|39.952398 " ,isOpen: 0 ,icon:{w: 21 ,h: 21 ,l: 0 ,t: 0 ,x: 6 ,lb: 5 }},
{title: " 海淀银行 " ,content: " 丹棱街16西门 " ,point: " 116.315551|39.984388 " ,isOpen: 0 ,icon:{w: 21 ,h: 21 ,l: 0 ,t: 0 ,x: 6 ,lb: 5 }},
]

// 创建和初始化地图函数：
function initMap(){
window.map = new BMap.Map( " container " );
map.centerAndZoom( new BMap.Point( 116.412318 , 39.887037 ), 12 );
map.enableScrollWheelZoom();
map.addControl( new BMap.NavigationControl());
window.searchClass = new SearchClass();
searchClass.setData(BASEDATA)
var dd = searchClass.search({k: " title " ,d: " 银行 " ,t: " more " ,s: "" }); // t:{single|more},s{all|!all}
addMarker(dd); // 向地图中添加marker
}
window.search = function (name_t,name_s,id_d){
var t_o = document.getElementsByName(name_t);
var s_o = document.getElementsByName(name_s);
var s_v,t_v,d_v = document.getElementById(id_d).value;
for ( var i = 0 ; i < t_o.length; i ++ ){
if (t_o[i].checked){
t_v = t_o[i].value;
}
}
for ( var i = 0 ; i < s_o.length; i ++ ){
if (s_o[i].checked){
s_v = s_o[i].value;
}
}
searchClass.trim(t_v) == "" && (t_v = " single " );
var dd = searchClass.search({k: " title " ,d:d_v,t:t_v,s:s_v});
addMarker(dd); // 向地图中添加marker
}

// 创建marker
window.addMarker = function (data){
map.clearOverlays();
for ( var i = 0 ;i < data.length;i ++ ){
var json = data[i];
var p0 = json.point.split( " | " )[ 0 ];
var p1 = json.point.split( " | " )[ 1 ];
var point = new BMap.Point(p0,p1);
var iconImg = createIcon(json.icon);
var marker = new BMap.Marker(point,{icon:iconImg});
var iw = createInfoWindow(i);
var label = new BMap.Label(json.title,{ " offset " : new BMap.Size(json.icon.lb - json.icon.x + 10 , - 20 )});
marker.setLabel(label);
map.addOverlay(marker);
label.setStyle({
borderColor: " #808080 " ,
color: " #333 " ,
cursor: " pointer "
});

( function (){
var _json = json;
var _iw = createInfoWindow(_json);
var _marker = marker;
_marker.addEventListener( " click " , function (){
this .openInfoWindow(_iw);
});
_iw.addEventListener( " open " , function (){
_marker.getLabel().hide();
})
_iw.addEventListener( " close " , function (){
_marker.getLabel().show();
})
label.addEventListener( " click " , function (){
_marker.openInfoWindow(_iw);
})
if ( !! json.isOpen){
label.hide();
_marker.openInfoWindow(_iw);
}
})()
}
}
// 创建InfoWindow
function createInfoWindow(json){
var iw = new BMap.InfoWindow( " <b class='iw_poi_title' title=' " + json.title + " '> " + json.title + " </b><div class='iw_poi_content'> " + json.content + " </div> " );
return iw;
}
// 创建一个Icon
function createIcon(json){
var icon = new BMap.Icon( " http://openapi.baidu.com/map/images/us_mk_icon.png " , new BMap.Size(json.w,json.h),{imageOffset: new BMap.Size( - json.l, - json.t),infoWindowOffset: new BMap.Size(json.lb + 5 , 1 ),offset: new BMap.Size(json.x,json.h)})
return icon;
}

function SearchClass(data){
this .datas = data;
}
// rule = {k:"title",d:"酒店",s:"all",t:"single"}=>t{single:(key=?),more:(key like[%?%])}//t:{single|more},s{all|!all}
SearchClass.prototype.search = function (rule){
if ( this .datas == null ){alert( " 数据不存在! " ); return false ;}
if ( this .trim(rule) == "" || this .trim(rule.d) == "" || this .trim(rule.k) == "" || this .trim(rule.t) == "" ){alert( " 请指定要搜索内容! " ); return false ;}
var reval = [];
var datas = this .datas;
var len = datas.length;
var me = this ;
var ruleReg = new RegExp( this .trim(rule.d));
var hasOpen = false ;

var addData = function (data,isOpen){
// 第一条数据打开信息窗口
if (isOpen && ! hasOpen){
hasOpen = true ;
data.isOpen = 1 ;
} else {
data.isOpen = 0 ;
}
reval.push(data);
}
var getData = function (data,key){
var ks = me.trim(key).split( / \. / );
var i = null ,s = " data " ;
if (ks.length == 0 ){
return data;
} else {
for ( var i = 0 ; i < ks.length; i ++ ){
s += ' [" ' + ks[i] + ' "] ' ;
}
return eval(s);
}
}
for ( var cnt = 0 ; cnt < len; cnt ++ ){
var data = datas[cnt];
var d = getData(data,rule.k);
if (rule.t == " single " && rule.d == d){
addData(data, true );
} else if (rule.t != " single " && ruleReg.test(d)){
addData(data, true );
} else if (rule.s == " all " ){
addData(data, false );
}
}
return reval;
}
SearchClass.prototype.setData = function (data){
this .datas = data;
}
SearchClass.prototype.trim = function (str){
if (str == null ){str = "" ;} else { str = str.toString();}
return str.replace( / (^[\s\t\xa0\u3000]+)|([\u3000\xa0\s\t]+$) / g, "" );
}


initMap(); // 创建和初始化地图
</ script >