App.vue

<template>
  <div id="app">
    <router-view></router-view>
  </div>
</template>

<script>

export default {
  created:()=>{
    console.log("应用程序已建立")
    
  }
}
</script>

<style>
#app {
  font-family: Helvetica, sans-serif;
  display: flex;
  flex-direction: column;
}
.e-table-wrapper{
  display: flex;
  flex-direction: column;
}
.e-table-wrapper .el-table {
  flex:1;
}
</style>