el-table支持分页多选

<template>
  <div>
    <el-dialog
      :title="`包含素材类型`"
      :visible.sync="visible"
      width="60%"
      center
      append-to-body
      :before-close="handleClose"
    >
      <div
        class="box"
        v-loading="tableLoading"
      >

        <!-- 内容区域 -->
        <div class="contend">
          <el-table
            :data="tableData"
            ref="multipleTable"
            stripe
            border
            style="width: 100%"
            @select="handleSelectionChange"
            @select-all="handleSelectionChange"
          >
            <el-table-column
              type="selection"
              width="55"
            >
            </el-table-column>
            <el-table-column
              prop="id"
              label="id"
              align="center"
              width="100"
            >
            </el-table-column>
            <el-table-column
              prop="name"
              label="名称"
              align="center"
              min-width="250"
            >
            </el-table-column>
          </el-table>
        </div>
        <!-- 分页 -->
        <Pagination
          v-if="tableData.length > 0"
          :total.sync="pagination.total"
          :page.sync="pagination.page"
          :page_size.sync="pagination.page_size"
          @paginationChange="paginationChange"
        ><