代码
提交代码
<!DOCTYPE html> <html lang="en" style="background-color: #ccc;"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <meta http-equiv="X-UA-Compatible" content="ie=edge"> <title>Document</title> </head> <body> <div id="app"> <div>商品名称:<input v-model="product.name"/></div> <div>商品数量:<input v-model="product.count"/></div> <div>商品标题:<input v-model="product.title"/></div> </div> </body> <script src="https://unpkg.com/vue/dist/vue.js"></script> <script> var vm = new Vue({ el: '#app', data: { product: { name: '', count: '', title: '' } }, watch: { 'product.name': function(newValue){ console.log(newValue) }, 'product.count': function(newValue){ console.log(newValue) }, 'product.title': function(newValue){ console.log(newValue) } } }) </script> </html>
运行结果