v-if · PHP · 看云

```html <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Document</title> <script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script> </head> <body> <div id="site">  <p v-if="show">测试</p> </div> </body> <script> var app = new Vue({ el: "#site", data: { show: true,//true false } }) </script> </html> ```