~~~
<!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>
<script src="https://cdn.bootcss.com/vue/2.6.10/vue.js"></script>
<script src="https://cdn.bootcss.com/vue-router/3.0.4/vue-router.js"></script>
<script src="https://cdn.bootcss.com/jquery/3.4.0/jquery.js"></script>
<style>
* {
margin: 0;
padding: 0
}
.app {
text-align: center;
padding: 20px;
max-width: 748px;
margin-left: auto;
margin-right: auto;
display: -webkit-box;
display: -ms-flexbox;
display: flex;
-ms-flex-wrap: wrap;
flex-wrap: wrap;
-webkit-box-pack: justify;
-ms-flex-pack: justify;
justify-content: space-between;
}
.container {
width: 150px;
height: 240px;
padding: 10px;
font-size: 14px;
-webkit-box-shadow: 0 0 5px 3px rgba(51, 51, 51, .26);
box-shadow: 0 0 5px 3px rgba(51, 51, 51, .26);
margin-top: 20px;
}
img {
width: 150px;
}
button {
margin: 0 auto;
width: 748px;
height: 50px;
border-radius: 2px;
display: block;
height: 40px;
line-height: 40px;
text-align: center;
font-size: 14px;
background: #f7f7f7;
text-decoration: none;
color: #258dcd;
border:none;
}
</style>
</head>
<body>
<div id="app">
<div class="app">
<div class="container" v-for="item of movies" ref="wrap">
<img :src="item.images.small" alt="">
<p>{{item.title}}</p>
</div>
</div>
<button @click="add" v-if="addMore">加载更多</button>
</div>
<script>
var url = "https://douban.uieee.com/v2/movie/top250"
new Vue({
el: "#app",
data: {
msg: "hello world",
movies: [],
addMore:false
},
created() {
$.ajax({
url,
dataType: "jsonp",
success: res => {
this.movies = res.subjects;
this.addMore = true
}
})
},
methods: {
add() {
this.addMore = false;
var length = this.movies.length;
var url = `https://api.douban.com/v2/movie/top250?start=${length}&count=20`;
$.ajax({
url,
dataType: "jsonp",
success: res => {
this.movies = [...this.movies, ...res.subjects]
this.addMore = true;
}
})
}
},
})
</script>
</body>
</html>
~~~
