- it
- js的ajax访问外部接口实现获取实时段子信息,获取当地天气信息
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Document
</title>
</head>
<body>
<button type='submit' onclick="getInfo()">查询
</button>
<p id="info"></p>
<script>
function getInfo(){
let url='https://api.apiopen.top/getJoke?page=1&count=2&type=video';
var xhr = new XMLHttpRequest();
xhr.onreadystatechange=function(){
if(xhr.readyState===4){
if(xhr.status===200){
return success(xhr.responseText);
}else{
alert('失败！');
}
}
}
xhr.open('Get',url);
xhr.send();
}
function success(data){
let info =document.getElementById("info");
let getInfo=JSON.parse(data);
console.log(getInfo);
if(getInfo.code===200){
info.innerHTML=getInfo.result[0].text+"<img src='"+
getInfo.result[0].thumbnail+"'/>";
}else {
info.innerHTML=shiren.message;
}
}
</script>
</body>
</html>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>简单的天气查询
</title>
</head>
<body>
<p>输入当前城市:
<input type="text" id="city"></p>
<button type="submit" onclick="getWeather()">查询
</button>
<p id="weatherInfo"></p>
<script>
function getWeather() {
let url = 'https://www.apiopen.top/weatherApi?city=';
let city = document.getElementById('city');
let newURL = url + city.value;
console.log(newURL);
var xhr = new XMLHttpRequest();
xhr.onreadystatechange = function () {
if (xhr.readyState === 4) {
if (xhr.status === 200) {
return success(xhr.responseText);
} else {
alert('失败！')
}
}
}
xhr.open('GET', newURL);
xhr.send();
}
function success(data) {
let weather = document.getElementById('weatherInfo');
let weatherInfo = JSON.parse(data);
if (weatherInfo.code === 200) {
weather.innerHTML = '查询成功' + '<br>' +
'当前城市：' + weatherInfo.data.city + '<br>' +
'当前温度：' + weatherInfo.data.wendu + '<br>' +
'气温：' + '最' + weatherInfo.data.forecast[0].high + '，最' + weatherInfo.data.forecast[0].low + '<br>' +
'天气：' + weatherInfo.data.forecast[0].type + '<br>' +
'风向：' + weatherInfo.data.forecast[0].fengxiang + weatherInfo.data.forecast[0].fengli + '<br>' +
'注意：' + weatherInfo.data.ganmao
} else {
weather.innerText = weatherInfo.msg;
}
}
</script>
</body>
</html>
