vue快捷键与基础指令详解

2020-06-13 10:42:01易采站长站整理

v-bind可以简写成   :


<img src="{{url}}">→<img :src="url" :width="50px">
v-on:click可以写成@click
<button @click="up()"></button>

v-if实例  可以通过对对象操作条件来实现想要展示的效果


<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title></title>
<script type="text/javascript" src="js/vue.min.js"></script>
</head>
<body>
<div id="app">
<p v-if="seen">现在你看到我了</p>
<template v-if="ok">
<h1>天气炎热</h1>
</template>
</div>
<script>
new Vue({
el: "#app",
data: {
seen:false,
ok: true
}
})
</script>
</body>
</html>

v-for实例:v-for是可以做循环数组使用的


<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title></title>
<script type="text/javascript" src="js/vue.min.js"></script>
</head>
<body>
<div id="app">
<ol>
<li v-for="x in lists">{{x.title}}</li>
</ol>
</div>
<script>
new Vue({
el: "#app",
data: {
lists: [
{ id: 1, title: "臧三" },
{ id: 2, title: '李四' },
{ id: 3, title: "王五" },
] }
})
</script>
</body>
</html>

v-show实例:v-show可以操作true/false来实现效果


<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title></title>
<script type="text/javascript" src="js/vue.min.js"></script>
</head>
<body>
<div id="app">
<input type="button" value="点击" v-on:click="a=false" />
<div style="width: 100px;height: 100px;background: red;" v-show="a">
</div>
</div>
<script>
new Vue({
el: "#app",
data: {
a: true
}
})
</script>
</body>
</html>

:class实例:


<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title></title>
<script type="text/javascript" src="js/vue.js" ></script>