vue.js样式绑定03(源代码)-阿里云开发者社区

vue.js样式绑定03(源代码)

2022-11-08 101

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简介： vue.js样式绑定03(源代码)

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script src="js/vue.js"></script>
    <style>
        .active {
            font-style: italic;
        }
        .default {
            text-decoration: underline;
        }
        .size {
            font-size: 18px;
        }
        .color {
            color: #6699FF;
        }
        .line {
            text-decoration: line-through;
        }
        .size {
            font-size: 24px;
        }
    </style>
</head>
<body>
    <div id="app">
        <h2>一、class属性绑定</h2>
        <h4>1、对象语法</h4>
        <p>（1）内联绑定</p>
        <div v-bind:class="{active: isActive}">Vue.js样式绑定</div>
        <div>Vue.js样式绑定</div>
        <p>（2）非内联绑定</p>
        <div class="default" v-bind:class="classObject">Vue.js样式绑定</div>
        <p>（3）使用计算属性返回样式对象</p>
        <div class="default" v-bind:class="show1">Vue.js样式绑定</div>
        <h4>2、数组语法</h4>
        <p>（1）普通形式</p>
        <div v-bind:class="[lineClass,sizeClass]">Vue.js样式绑定</div>
        <p>（2）在数组中使用条件运算符</p>
        <div v-bind:class="[isLine? 'line':'',sizeClass]">Vue.js样式绑定</div>
        <p>（3）在数组中使用对象</p>
        <div v-bind:class="[{line:isLine},sizeClass]">Vue.js样式绑定</div>
        <h2>二、内联样式绑定</h2>
        <h4>1、对象语法</h4>
        <p>（1）内联绑定</p>
        <div v-bind:style="{ 'font-weight': weight1, 'font-size': fontSize+'px' }">Vue.js样式绑定</div>
        <p>（2）非内联绑定</p>
        <div v-bind:style="styleObject">Vue.js样式绑定</div>
        <p>（3）使用计算属性返回样式对象</p>
        <div v-bind:style="show2">Vue.js样式绑定</div>
        <h4>2、数组语法</h4>
        <div v-bind:style="[{fontSize:'24px'},{'font-weight':'bold'},{'text-decoration':'underline'}]">Vue.js样式绑定</div>
        <div v-bind:style="arrStyle">Vue.js样式绑定</div>
        <div v-bind:style="[size,weight2,decoration]">Vue.js样式绑定</div>
    </div>
    <script>
        let vm = new Vue({
            el: '#app',
            data: {
                isActive: true,
                isSize: true,
                isColor: true,
                isLine: true,
                lineClass: 'line',
                sizeClass: 'size',
                classObject: {
                    size: true,
                    color: true
                },
                weight1: 'bold',
                fontSize: 30,
                size: {fontSize:'24px'},
                weight2: {'font-weight': 'bold'},
                decoration: {'text-decoration': 'underline'},
                styleObject: {
                    fontWeight: 'bold',
                    'font-size': '30px'
                },
                arrStyle:[
                    {fontSize: '24px'},
                    {'font-weight': 'bold'},
                    {'text-decoration': 'underline'}
                ]
            },
            computed: {
                show1: function() {
                    return {
                        size: this.isSize,
                        color: this.isColor
                    }
                },
                show2: function() {
                    return {
                        fontWeight: this.weight1,
                        'font-size': this.fontSize+'px'
                    }
                }
            }
        })
    </script>
</body>
</html>

vue.js样式绑定03(源代码)

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