ElementUI 表格动态列显示错乱

解决

利用 key=“1”

<el-table>
    <el-table-column key="1" align="center" prop="name" label="序号"></el-table-column>
    <el-table-column key="2" align="center" prop="name" label="产品名称"></el-table-column>
    <el-table-column key="3" align="center" prop="importantLevel" label="重要等级"></el-table-column>
    <el-table-column key="4" align="center" prop="isKeyProduct" label="今年重点产品"></el-table-column>
    <el-table-column key="5" align="center" prop="isNewProduct" label="今年新产品"></el-table-column>
    <el-table-column key="6" align="center" prop="createTime" label="创建时间"></el-table-column>
    <el-table-column key="7" align="center" prop="productManager" label="产品经理"></el-table-column>
</el-table>