参考:

https://blog.csdn.net/weixin_49813550/article/details/119320743

在el-input里面添加这一行代码

@keyup.enter.native="seachEnter"

写seachEnter事件

seachEnter(e) {
      var keyCode = window.event ? e.keyCode : e.which;
      if (keyCode == 13) {
        this.getShopList(); //搜索按钮的回调
      }
    },