vue 对css样式进行修改
一、定义样式
<style>
.blueBack {
background-color: blue;
}
.yellowBack {
background-color: yellow;
}
</style>二、定义两个按钮，一个div
<div id="vueFirst">
<div :class="backColor">{{info}}</div>
<hr>
<input type="button" value="变黄" @click="changeColorToYellow"></input>
<input type="button" value="变蓝" @click="changeColorToBlue"></input>
</div>三、添加click事件
<script type="text/javascript" src="js/vue.js"></script>
<script type="text/javascript">
var vm = new Vue({
el: "#vueFirst",
data: {
info: "hello world",
backColor: "blueBack"
},
methods: {
changeColorToYellow() {
this.backColor = "yellowBack"
},
changeColorToBlue() {
this.backColor = "blueBack"
}
}
})完整代码如下：
<html>
<head>
<style>
.blueBack {
background-color: blue;
}
.yellowBack {
background-color: yellow;
}
</style>
</head>
<body>
<div id="vueFirst">
<div :class="backColor">{{info}}</div>
<hr>
<input type="button" value="变黄" @click="changeColorToYellow"></input>
<input type="button" value="变蓝" @click="changeColorToBlue"></input>
</div>
<script type="text/javascript" src="js/vue.js"></script>
<script type="text/javascript">
var vm = new Vue({
el: "#vueFirst",
data: {
info: "hello world",
backColor: "blueBack"
},
methods: {
changeColorToYellow() {
this.backColor = "yellowBack"
},
changeColorToBlue() {
this.backColor = "blueBack"
}
}
})
</script>
</body>
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