使用html5 地理位置技术 和 百度地图api查询当前位置

define(['zepto'],function($){
var geolocation = {
init:function(config,onSuccess,onError){
if(typeof(config)=='function'){
onError = onSuccess;
onSuccess = config;
config = undefined;
}

if(Object(config)===config){
for(var k in this.option){
this.option[k] = config[k];
}
}

if(typeof(onSuccess)=='function'){
this.onSuccess = onSuccess;
}

if(typeof(onError)=='function'){
this.onError = onError;
}

return this;
},

getPosition:function(returnType){//returnType==cityName,返回城市名称
var host = this;
navigator.geolocation.getCurrentPosition(function ( position){
console.log('getCurrentPosition success ',position);
if(!returnType){
host.onSuccess.call(null,position);
}else{
var lat = position.coords.latitude;
var lng = position.coords.longitude;

var urls="http://api.map.baidu.com/geocoder/v2/?ak=0QoBGmQ4i5N0FycRCQMukgqd&callback=renderReverse&location="+lat+","+lng+"8&output=json&pois=0";

$.ajax({
type: "POST",
url: urls,
dataType : "jsonp",
success: function(data){
//alert(JSON.stringify(data));
//alert(host.onSuccess)
console.log('get city name>>>',data);
host.onSuccess.call(null,data);
},
error:function(error){
host.onError.call(null,error);
}

});
}

}, function(error){

host.onError.call(null,error);
}, this.option);

return this;
},
option:{
enableHighAccuracy: true,
maximumAge: 30000,
timeout: 20000
},
onSuccess: function(data){
console.log('geolocation.getCurrentPosition success:',data);
},
onError:function(error){
console.log('geolocation.getCurrentPosition error:',error);
}

};

return geolocation;

});