element ui select选择器内容太长 导致超过屏幕显示范围

 

 1.设置popper-class 和popper-append-to-body 属性

<el-select v-model="value" placeholder="请选择"  popper-class="lioverhide" :popper-append-to-body ="false">
</el-select>

2.调整css宽度

  .lioverhide {
     width: 300px
  }