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发表于 2022-6-30 17:27:10
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修改后的代码:
- <!DOCTYPE html>
- <html lang="en">
- <head>
- <meta charset="UTF-8">
- <meta http-equiv="X-UA-Compatible" content="IE=edge">
- <meta name="viewport" content="width=device-width, initial-scale=1.0">
- <title>Document</title>
- <script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
- <style>
- ul {
- width: 400px;
- height: 100px;
- background-color: red;
- display: flex;
- }
- ul li {
- width: 150px;
- height: 100px;
- margin-left: 20px;
- background-color: green;
- text-align: center;
- line-height: 100px;
- }
- .box1 {
- width: 400px;
- height: 400px;
- background-color: blue;
- /* display:none; 不需要,是通过v-show决定是否要显示的*/
- }
- .box2 {
- width: 400px;
- height: 400px;
- background-color: gray;
- /* display:none; */
- }
- </style>
- </head>
- <body>
- <div id="root">
- <ul>
- <li @click="change1()">1</li>
- <li @click="change2()">2</li>
- </ul>
- <div class="box1" v-show="a">1</div>
- <div class="box2" v-show="b">2</div>
- </div>
- <script>
- const vm = new Vue({
- el: '#root',
- data: {
- // a:'false',
- // b:'false',
- // 去掉true和false外面的引号
- a: false,
- b: false,
- },
- methods: {
- change1() {
- // this.a='true',
- // this.b='false',
- // 去掉引号,逗号改成分号或者不要符号
- this.a = true;
- this.b = false;
- alert('11');
- console.log(this.a)
- },
- change2() {
- // this.b='true',
- // this.a='false',
- this.b = true;
- this.a = false;
- alert('22');
- console.log(this.b)
- },
- }
- })
- </script>
- </body>
- </html>
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