条件渲染-v-if
<!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>
<div id="app">
<h1 v-if="true">如果条件为真，我就会渲染。</h1>
<h1 v-if="12 > 24">如果条件为真，我就会渲染。</h1>
</div>
<script src="./vue.js"></script>
<script>
new Vue({
data: {
}
}).$mount('#app')
</script>
</body>
</html>
条件渲染-v-else
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Document</title>
</head>
<body>
<div id="app">
<div v-if="isTrue">
<h1>如果条件为真，显示第一个标题。</h1>
<h1>如果条件为真，显示第一个标题。</h1>
</div>
<div v-else>
<h1>如果条件为假，显示第二个标题。</h1>
<h1>如果条件为假，显示第二个标题。</h1>
</div>
</div>
<script src="./vue.js"></script>
<script>
new Vue({
data: {
isTrue: true
}
}).$mount('#app')
</script>
</body>
</html>
条件渲染-v-else-if
<!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>
<div id="app">
<h1 v-if="count >= 5000">钻石会员</h1>
<h1 v-else-if="count >= 4000">铂金会员</h1>
<h1 v-else-if="count >= 3000">黄金会员</h1>
<h1 v-else-if="count >= 2000">白银会员</h1>
<h1 v-else-if="count >= 1000">青铜会员</h1>
<h1 v-else>普通会员</h1>
</div>
<script src="./vue.js"></script>
<script>
new Vue({
data: {
count:3000
}
}).$mount('#app')
</script>
</body>
</html>
条件显示-v-show
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Document</title>
</head>
<body>
<div id="app">
<h1 v-show="isShow">1. 如果条件为真，我就显示，否则隐藏。</h1>
<h1 v-if="isShow">2. 如果条件为真，我就渲染，否则渲染。</h1>
</div>
<script src="./vue.js"></script>
<script>
new Vue({
data: {
isShow: false
}
}).$mount('#app')
</script>
</body>
</html>
