How to add styles to elements in vue
Adding method: 1. Use the ":class="['class name']" statement to add; 2. Use ":class="['class name 1','class name 2',{attribute Name (class name):'Attribute value (true or false)}]"" statement; 3. Use the ":class="{Attribute name (class name):true}" statement; 4. Use ":style="{ 'Style name':'Style value'}"" statement; 5. Use the ":style="style"" statement to add; 6. Use the ":style="[data]"" statement.
The operating environment of this tutorial: windows7 system, vue3 version, DELL G3 computer.
Add styles in vue
1. Use class style:
The class name must be enclosed in quotation marks;
1. Array
<h1 :class = "['类名1','类名2']">这种方法 需要用 v-bind: => : 绑定</h1>
2. Use ternary expressions in the array Formula
<h1 :class = "['类名1','类名2',表达式?'类名3':'']">这种方法 需要用 v-bind: => : 绑定</h1>
3. Nested objects in array
<h1 :class = "['类名1','类名2',{属性名(类名):'属性值(true或false)}]">这种方法 需要用 v-bind: => : 绑定</h1>4. Directly applicable objects
<h1 :class = "{属性名(类名1):true,属性名(类名2):true}">这种方法 需要用 v-bind: => : 绑定</h1>2. Use inline styles;
1. Directly pass:style on the element
<h1 :style = "{'样式名':'样式值'}">这种方法 需要用 v-bind: => : 绑定</h1>2. Define the style object into data and reference it in :style
<h1 :style = "vue里的样式">这种方法 需要用 v-bind: => : 绑定</h1>
3. In :style, reference multiple style objects on data through an array;
<h1 :style = "[data1,data2]">这种方法 需要用 v-bind: => : 绑定</h1>
Code example:
<!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>Vue样式的运用</title>
<style>
* {
margin: 0;
padding: 0;
}
.box {
width: 150px;
height: 150px;
background: skyblue;
line-height: 150px;
text-align: center;
}
.border {
border-radius: 50%;
}
.color {
color: #fff;
font-size: 24px;
}
</style>
</head>
<body>
<div id="app">
<button @click="tagger = !tagger">切换</button>
<!-- 添加样式/切换样式 -->
<!-- 对象方式 border 数据模型 tagger 真假 真显示 假隐藏-->
<!-- <div class="box" :class="{'border':tagger}">添加style样式</div> -->
<!-- 表达式 -->
<!-- <div :class="tagger ? 'border' : ''" class="box">添加style样式</div> -->
<!-- 数组 -->
<div :class="tagger ? ['box','border'] : ['box']">添加style样式</div>
</div>
<script src="https://cdn.jsdelivr.net/npm/vue"></script>
<script>
let vm = new Vue({
el: '#app',
data: {
tagger : true,
vstyle : ['border','box'],
vObj : {"border":true,"color":true,"box":true}
},
methods: {
}
})
</script>
</body>
</html>(Learning video sharing: vuejs introductory tutorial, Basic programming video)
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