vue程序-基础
【第一个vue程序】
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
</head>
<body>
<div id="app">{{message}}</div>
<script src="../js/vue.js"></script>
<script>
//es6语法：定义变量(let)，定义常量(const)
const app = new Vue({
el:'#app',//用于挂载需要管理的元素
data:{ //定义数据
message:'hello！'
}
})
</script>
</body>
</html>
【列表展示v-for】
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
</head>
<body>
<div id="app">
<ul>
<li v-for="item in movies">{{item}}</li>
</ul>
</div>
<script src="../js/vue.js"></script>
<script>
const app = new Vue({
el:"#app",
data:{
movies:['星际穿越','大话西游','少年派']
}
})
</script>
</body>
</html>
【方法v-on】
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
</head>
<body>
<div id="app">
<h2>当前计数：{{counter}}</h2>
<!--<button v-on:click="counter++">+</button>
<button v-on:click="counter--">-</button>-->
<button @click="add">+</button>
<button @click="sub">-</button>
</div>
<script src="../js/vue.js"></script>
<script>
const app = new Vue({
el:'#app',
data:{
counter:'0'
},
methods:{
add: function (){
this.counter++;
},
sub:function () {
this.counter--;
}
}
})
</script>
</body>
</html>
