el-table表格宽度自适应

<template>
  <div class="box">
    <div class="box_item1"> box1</div>
    <div class="box_item2">
      <el-table :data="tableData" style="width: 100%">
        <el-table-column prop="date" label="日期"> </el-table-column>
        <el-table-column prop="name" label="姓名"> </el-table-column>
        <el-table-column prop="address" label="地址"> </el-table-column>
      </el-table>
    </div>
    <div class="box_item3">box3</div>
  </div>
</template>

.box {
  width: 100%;
  display: flex;
  flex-wrap:nowrap;
  align-items: flex-start;
  .box_item1,
  .box_item3 {
    flex: 1;
    background: #000;
    color: #ccc;
    margin: 10px;
  }
  .box_item2 {
    flex: 1;
    // min-height: 0;
    overflow: hidden; // 重点：在el-table的外层盒子设置
  }
}