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- <!DOCTYPE html>
- <html lang="en">
- <head>
- <meta charset="UTF-8">
- <meta name="viewport" content="width=device-width, initial-scale=1.0">
- <title>Document</title>
- </head>
- <body>
- <div id="app">
- {{score}}
- <!--
- 条件显示 只有条件满足时 才会执行 v-if
- 只要满足条件就会展示 v-show
- v-if和v-show的区别
- 1.当你频繁切换时 使用v-show 条件逻辑性 v-if
- 2.v-if 消耗性能
- 3.v-show 只是单纯的展示隐藏
- -->
- <p v-if="score >= 90">优秀</p>
- <p v-else-if="score>=80">良好</p>
- <p v-else-if="score>=70">凑合</p>
- <p v-else-if="score>=60">及格</p>
- <p v-else>不及格</p>
- <hr>
-
- <p v-show="score >= 90">优秀</p>
- <p v-show="score>=80">良好</p>
- <p v-show="score>=70">凑合</p>
- <p v-show="score>=60">及格</p>
- <p v-show="score < 60">不及格</p>
- </div>
- <script src="./vue.js"></script>
- <script>
- var app = new Vue({
- el:"#app",
- data:{
- score: Math.ceil(Math.random() * 100)
- },
- })
- </script>
- </body>
- </html>
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