鼠标点击事件和键盘确定enter事件

 mounted () {
    document.addEventListener('keydown', (e) => {
      let key = window.event.keyCode;
      if (key == 13) {
        // 13是enter键的键盘码 如果等于13 就调用click的登录方法
        this.searchlist();//点击的事件
      }
    })
  },
  beforeDestroy () {
    document.removeEventListener('keydown', this.searchlist());
  },

<el-button type="primary" icon="el-icon-search" @click="searchlist()" @keydown.enter.native="searchlist()" >搜索