基于Vue3+TS封装的Table表格

<template>
  <div class="system-table-box">
    <el-table
      v-bind="$attrs"
      ref="table"
      class="system-table"
      border
      height="100%"
      :data="data"
      @selection-change="handleSelectionChange"
    >
      <el-table-column
        type="selection"
        align="center"
        width="50"
        v-if="showSelection"
        :reserve-selection="pagingMemory"
      />
      <el-table-column label="序号" width="60" align="center" v-if="showIndex">
        <template #default="scope">
          {
  { (page.index - 1) * page.size + scope.$index + 1 }}
        </template>
      </el-table-column>
      <slot></slot>
    </el-table>
    <el-