1. 程式人生 > 實用技巧 >vue 對css樣式進行修改

vue 對css樣式進行修改

一、定義樣式

    <style>
        .blueBack {
            background-color: blue;
        }

        .yellowBack {
            background-color: yellow;
        }
    </style>

二、定義兩個按鈕,一個div

    <div id="vueFirst">
        <div :class="backColor">{{info}}</div>
        <hr>
        <input type="
button" value="變黃" @click="changeColorToYellow"></input> <input type="button" value="變藍" @click="changeColorToBlue"></input> </div>

三、新增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" } } })

  完整程式碼如下:

<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="變黃" @click="changeColorToYellow"></input>
        <input type="button" value="變藍" @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>

</html>