PHP;"> //调用jsonp函数请求当前所在城市 jsonp('https://api.map.baidu.com/api?v=2.0&ak=Dv1NMU23dh1sGS9n2tUouDEYY96Dfzh3&s=1&callback=getCity'); window.onload=function(){ //请求天气车数据 btn.onclick=function (){ jsonp(createUrl()); } }; function getCity(){ function city(result){ jsonp(createUrl(result.name)); } var cityName = new BMap.LocalCity(); cityName.get(city); } // 数据请求函数 function jsonp(url){ var script = document.createElement('script'); script.src = url; document.body.insertBefore(script,document.body.firstChild); document.body.removeChild(script); } //数据请求成功回调函数，用于将获取到的数据放入页面相应位置 function getWeather(response) { var oSpan = document.getElementsByClassName('info'); var data = response.result.data; oSpan[0].innerHTML=data.realtime.city_name; oSpan[1].innerHTML=data.realtime.date; oSpan[2].innerHTML='星期'+data.weather[0].week; oSpan[3].innerHTML=data.realtime.weather.info; oSpan[4].innerHTML=data.realtime.weather.temperature+'℃'; oSpan[5].innerHTML=data.realtime.wind.direct; oSpan[6].innerHTML=data.realtime.weather.humidity+'%'; oSpan[7].innerHTML=data.realtime.time; oSpan[8].innerHTML=data.life.info.ziwaixian[0]; oSpan[9].innerHTML=data.life.info.xiche[0]; oSpan[10].innerHTML=data.life.info.kongtiao[0]; oSpan[11].innerHTML=data.life.info.chuanyi[0];

var aDiv = document.getElementsByClassName('future_Box');
for(var i=0; i<aDiv.length; i++){
var aSpan = aDiv[i].getElementsByClassName('future_info');
aSpan[0].innerHTML = data.weather[i].date;
aSpan[1].innerHTML = '星期'+data.weather[i].week;
aSpan[2].innerHTML =data.weather[i].info.day[1];
aSpan[3].innerHTML = data.weather[i].info.day[2]+'℃';
}
changeImg(response);
}
//根据获取到的数据更改页面中相应的图片
function changeImg(data){
var firstImg = document.getElementsByTagName("img")[0];
var firstWeatherId=data.result.data.realtime.weather.img;
chooseImg(firstWeatherId,firstImg);

var aImg = document.getElementById('future_container').getElementsByTagName('img');
for(var j=0; j<aImg.length; j++){
var weatherId = data.result.data.weather[j].info.day[0];
chooseImg(weatherId,aImg[j]);
}
}
//选择图片
function chooseImg(id,index){
switch(id){
case '0':
index.src='images/weather_icon/1.png';
break;
case '1':
index.src='images/weather_icon/2.png';
break;
case '2':
index.src='images/weather_icon/3.png';
break;
case '3':
case '7':
case '8':
index.src='images/weather_icon/4.png';
break;
case '6':
index.src='images/weather_icon/6.png';
break;
case '13':
case '14':
case '15':
case '16':
index.src='images/weather_icon/5.png';
break;
case '33':
index.src='images/weather_icon/7.png';
break;
default:
index.src='images/weather_icon/8.png';
}
}
//根据城市名创建请求数据及url
function createUrl(){
var cityName = '';
if(arguments.length == 0) {
cityName = document.getElementById('text').value;
}else{
cityName = arguments[0];
}
var url = 'https://op.juhe.cn/oneBox/weather/query?cityname=' + encodeURI(cityName) + '&key=1053d001421b886dcecf81a38422a1a2&callback=getWeather';
return url;
}