作用域插槽的使用

    <!--卡片视图-->
    <el-card>
      <el-table :data="rightsList" border stripe>
        <el-table-column type="index"></el-table-column>
        <el-table-column label="权限名称" prop="authName"></el-table-column>
        <el-table-column label="路径" prop="path"></el-table-column>
        <el-table-column label="权限等级" prop="level">
            <template v-slot:="scope">
              <el-tag v-if="scope.row.level === '0'">一级权限</el-tag>
              <el-tag type="success" v-else-if="scope.row.level === '1'">二级权限</el-tag>
              <el-tag type="warning" v-else>三级权限</el-tag>
            </template>
        </el-table-column>
      </el-table>
    </el-card>