@keyup.13 回车
@keyup.enter 回车
@keyup.left 左键
@keyup.right 右键
@keyup.up 上键
@keyup.down 下键
@keyup.delete 删除键
<!DOCTYPE html><html lang="en"><head><meta charset="UTF-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><title>Document</title><style></style></head><body><div id="app"><p >{{a}}</p><!-- @keyup.down对应的是下方向键 --><input type="text" @keyup.down='add'></div><script src="js/vue.js"></script><script>var vue = new Vue({el:"#app",data:{a: 100},methods:{add(event) {console.log(event)this.a ++console.log(this.a)}}})</script></body></html>
