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.οnclick=
function (){
jsonp(createUrl()[0
]);
jsonp(createUrl()[1
]);
}
};
function getCity(){
function city(result){
//去掉城市名后的"市"
var city = result.name.substring(0,result.name.length-1
);
//请求当前城市的天气数据
jsonp(createUrl(city)[0
]);
jsonp(createUrl(city)[1
]);
}
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;
oSpan[0].innerHTML=data[0
].citynm;
oSpan[1].innerHTML=data[0
].days;
oSpan[2].innerHTML=data[0
].week;
oSpan[3].innerHTML=data[0
].weather;
oSpan[4].innerHTML=data[0
].temperature;
oSpan[5].innerHTML=data[0
].winp;
oSpan[6].innerHTML=data[0
].wind;
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[i+1
].days;
aSpan[1].innerHTML = data[i+1
].week;
aSpan[2].innerHTML =data[i+1
].weather;
aSpan[3].innerHTML = data[i+1
].temperature;
}
//根据返回数据，替换不同天气图片
changeImg(response);
}
function getTodayWeather(response){
var oSpan = document.getElementsByClassName('info'
);
var data =
response.results;
oSpan[7].innerHTML=data[0
].pm25;
oSpan[8].innerHTML=data[0].index[4
].zs;
oSpan[9].innerHTML=data[0].index[1
].zs;
oSpan[10].innerHTML=data[0].index[2
].zs;
oSpan[11].innerHTML=data[0].index[0
].zs;
}
//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[0
].weatid;
chooseImg(firstWeatherId,firstImg);
var aImg = document.getElementById('future_container').getElementsByTagName('img'
);
for(
var j=0; j<aImg.length; j++
){
var weatherId = data.result[j+1
].weatid;
chooseImg(weatherId,aImg[j]);
}
}
//选择图片
function chooseImg(id,index){
switch(id){
case '1'
:
index.src='images/weather_icon/1.png'
;
break;
case '2'
:
index.src='images/weather_icon/2.png'
;
break;
case '3'
:
index.src='images/weather_icon/3.png'
;
break;
case '4'
:
case '5'
:
case '6'
:
case '8'
:
case '9'
:
case '10'
:
case '11'
:
case '12'
:
case '13'
:
case '20'
:
case '22'
:
case '23'
:
case '24'
:
case '25'
:
case '26'
:
index.src='images/weather_icon/4.png'
;
break;
case '7'
:
index.src='images/weather_icon/6.png'
;
break;
case '14'
:
case '15'
:
case '16'
:
case '17'
:
case '18'
:
case '27'
:
case '28'
:
case '29'
:
index.src='images/weather_icon/5.png'
;
break;
case '19'
:
case '21'
:
case '30'
:
case '31'
:
case '32'
:
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
];
}
// console.log(cityName);
var urls =
[];
urls[0] = 'https://sapi.k780.com/?app=weather.future&appkey=10003&sign=b59bc3ef6191eb9f747dd4e83c99f2a4&format=json&jsoncallback=getWeather&weaid=' +
encodeURI(cityName);
urls[1] = 'https://api.map.baidu.com/telematics/v3/weather?output=json&ak=FK9mkfdQsloEngodbFl4FeY3&callback=getTodayWeather&location=' +
encodeURI(cityName);
return urls;
}
