效果图：

一点都不卡

话不多说，直接上码

<template><div class="container"><h3 class="table-title">el表格 + 分页</h3><el-table :data="tableList.slice((currentPage-1)*pageSize, currentPage*pageSize)"border height="350"style="width: 70%; margin-bottom: 5px;"><el-table-column prop="id" label="ID" width="100"></el-table-column><el-table-column prop="name" label="Name" width="200"></el-table-column><el-table-column prop="age" label="Age" width="100"></el-table-column><el-table-column prop="address" label="Address" width="300"></el-table-column></el-table><el-pagination@size-change="handleSizeChange"@current-change="handleCurrentChange":page-sizes="[100, 200, 300, 400, 500]"layout="prev, pager, next, sizes, total":current-page="currentPage":page-size="pageSize":total="total"/></div>
</template>

<script setup>
import { ref, reactive, onMounted } from 'vue'const tableList = ref([])
const currentPage = ref(1)  // 当前第几页
const pageSize = ref(100)   // 每页显示几条数据
const total = ref(0)const getDatas = () => {// 获取表格数据for (let i = 0; i < 100000; i++) {tableList.value.push({id: i + 1,name: `name-${i + 1}`,age: Math.floor(Math.random() * 100) + 1,address: `address-${i + 1}`})total.value = tableList.value.length}
}
onMounted(() =>{getDatas()console.log('tableList', tableList.value);console.log('total.value', total.value);})
// 每页显示几条数据
const handleSizeChange = (val) => {pageSize.value = valconsole.log('pageSize.value-每页显示数据条数：', pageSize.value)
}
// 当前第几页 - 切换上/下一页
const handleCurrentChange = (val) => {currentPage.value = valconsole.log('currentPage.value-当前页码：',currentPage.value); 
}</script>

<style scoped>
.container {padding: 20px;
}
.table-title {margin-bottom: 20px;
}
</style>