门户网站优化怎么做搜索引擎有哪几个网站

教材管理系统

一、系统演示

二、项目介绍

语言：nodejs
框架：egg.js、Vue
数据库：MySQL

三个角色：管理员、教师、学生

用户管理、角色管理、菜单管理、教材数据、教材征订、出入库记录、领书操作、领书分析、班级管理、课程信息、教师信息

三、系统部分功能截图

四、部分代码展示

import { createRouter, createWebHashHistory } from 'vue-router'
import { getToken } from '../utils/cookie'
import { roleMenu } from '@/api/login'
import store from '@/store'export const constantRoutes = [{path: '/login',name: 'Login',hidden: '1',component: () => import(/* webpackChunkName: "login" */ '../views/login/Login.vue')},{path: '/change/psw',component: () => import('../views/index/Home.vue'),redirect: '/change/psw',hidden: '1',children: [{path: '',component: () => import('@/views/index/ChangePsw'),name: 'ChangePsw',hidden: '0',meta: { title: '修改密码', icon: '' }}]},{path: '/:w+',component: () => import('@/views/index/404.vue'),hidden: '1'}
]const router = createRouter({history: createWebHashHistory(),routes: constantRoutes
})const whiteList = ['/login']
router.beforeEach((to, from, next) => {document.title = to.meta.title || '系统'const token = getToken()if (token) {if (to.path === '/login') {next('/')} else {if (store.getters.addRouters.length === 0) {roleMenu().then(res => {store.dispatch('generateRoutes', res.data).then(() => {store.getters.addRouters.forEach(item => {router.addRoute(item)})next({ ...to, replace: true })})})store.dispatch('getCurUserInfo')} else {next()}}} else {if (whiteList.indexOf(to.path) !== -1) {next()} else {next('/login')}}
})router.afterEach((to, from) => {setKeepAlive(to)
})function setKeepAlive(to) {if(to.meta.keep_alive === '1') {store.commit("setKeepAlive", to.name);}
}export default router

<template><div style="padding:20px;margin:20px;"><el-form :inline="true" :model="seacheForm" size="small"><el-form-item label="教材"><el-input v-model="seacheForm.book" clearable placeholder="请输入教材名称" size="small" /></el-form-item><el-form-item label="书号"><el-input v-model="seacheForm.ISBN" clearable placeholder="请输入教材书号" size="small" /></el-form-item><el-form-item><el-button type="primary" size="small" @click="refresh">搜索</el-button></el-form-item></el-form><el-table :data="bookTable" v-loading="tableLoading" size="small" style="width: 100%"><el-table-column type="index" label="序号" align="center" fixed="left" width="55"  /><el-table-column prop="book" align="center" label="教材名称" fixed="left" width="200" show-overflow-tooltip /><el-table-column prop="editor" align="center" label="主编" show-overflow-tooltip /><el-table-column prop="pubDate" align="center" label="出版时间" show-overflow-tooltip /><el-table-column prop="ISBN" align="center" label="书号"  show-overflow-tooltip /><el-table-column prop="publisher" align="center" label="出版社" show-overflow-tooltip /><el-table-column prop="book_type" align="center" label="教材类型" show-overflow-tooltip /><el-table-column prop="book_usage" align="center" label="使用情况" show-overflow-tooltip /><el-table-column prop="price" align="center" label="单价"  show-overflow-tooltip /><el-table-column prop="book_total" align="center" label="教材库存" fixed="right" show-overflow-tooltip /><el-table-column fixed="right" label="操作" align="center" width="120"><template #default="{row}"><el-button type="primary" size="small" @click="handleAddBook(row)">增订</el-button></template></el-table-column></el-table><div class="demo-pagination-block"><el-paginationv-model:currentPage="currentPage"v-model:page-size="pageSize":page-sizes="[8, 20, 30, 50]":background="false"layout="total, sizes, prev, pager, next, jumper":total="total"@size-change="handleSizeChange"@current-change="handleCurrentChange"/></div> <el-dialog v-model="addDialog" title="续订教材" width="55%"><el-form :model="form" :inline="true"  :rules="rules" ref="ruleFormRef"  label-width="120px"><el-form-item label="教材名称" prop="book"><el-input v-model="form.book" disabled placeholder="请输入教材名称" /> </el-form-item><el-form-item label="学生用书" prop="sdt_book_nums"><el-input v-model.number="form.sdt_book_nums" placeholder="请输入学生用书数量" /> </el-form-item><el-form-item label="学生备用" prop="standby_nums"><el-input v-model.number="form.standby_nums" placeholder="请输入学生备用书数量" /> </el-form-item><el-form-item label="教师用书" prop="tch_book_nums"><el-input v-model.number="form.tch_book_nums" placeholder="请输入教师用书数量" /> </el-form-item><el-form-item label="教材单价" prop="price"><el-input v-model.number="form.price" disabled placeholder="请输入教材单价(单位：元)" /> </el-form-item><el-form-item label="教材总数"><el-input v-model.number="bookTotal" disabled placeholder="教材总价" /> </el-form-item><el-form-item label="教材总价"><el-input v-model.number="bookPriceTotal" disabled placeholder="教材总价" /> </el-form-item><el-form-item label="教材使用情况" prop="book_usage"><el-select v-model="form.book_usage"  placeholder="请选择教材使用情况"><el-option label="选用" value="选用" /><el-option label="不选用" value="不选用" /></el-select></el-form-item></el-form><template #footer><span class="dialog-footer"><el-button @click="addDialog=false">取消</el-button><el-button type="primary" @click="onSubmit">确定</el-button></span></template></el-dialog></div>
</template>
<script setup>
import { ElMessage,ElMessageBox } from 'element-plus';
import { computed, onMounted, reactive, ref} from 'vue';
import { operateRecord, operateStore } from '@/api/book/operate';
import { getRecordDetail } from '@/api/education/operate';
import dayjs from 'dayjs';
onMounted(()=>{refresh();
})
const tableLoading = ref(false);
const refresh = () =>{tableLoading.value = true;operateStore({limit:pageSize.value,page:currentPage.value,book:seacheForm.book,ISBN:seacheForm.ISBN,}).then(res=>{bookTable.value = res.data.rows;total.value = res.data.count;bookTable.value.forEach((item)=>{item.pubDate ? item.pubDate = dayjs(item.birth).format('YYYY-MM') : ''})tableLoading.value = false;})
}// 搜索表单
const seacheForm = reactive({});// 表格
const bookTable = ref([]);
const total = ref(0);
const bookTotal = computed(()=>{let total = form.value.sdt_book_nums + form.value.standby_nums + form.value.tch_book_nums;return total;
})
const bookPriceTotal = computed(()=>{let total = (form.value.sdt_book_nums + form.value.standby_nums + form.value.tch_book_nums) * Number(form.value.price);return total;
})
const addDialog = ref(false);
const form = ref({});
const handleAddBook = (row) =>{getRecordDetail({record_id:row.record_id}).then(res=>{form.value = res.data[0];form.value.sdt_book_nums=0form.value.standby_nums=0form.value.tch_book_nums=0addDialog.value = true;})
}const onSubmit = () =>{if(bookTotal.value==0){ElMessage({type:'warning',message:'未填写征订数量！'});return;}delete form.value.id;form.value.total = bookPriceTotal.value;form.value.book_total = bookTotal.value;form.value.apply = 1;operateRecord({data:form.value,flag:1}).then(res=>{if(res.success){ElMessage({type:'success',message:'申请成功！'});addDialog.value = false;}else{ElMessage({type:'danger',message:'申请失败！'});}})
}// 分页
const currentPage = ref(1);
const pageSize = ref(8);
const handleSizeChange = (val) => {pageSize.value = val;refresh();
}
const handleCurrentChange = (val) => {currentPage.value = val;refresh();
}</script><style>
</style>

import { createRouter, createWebHashHistory } from 'vue-router'
import { getToken } from '../utils/cookie'
import { roleMenu } from '@/api/login'
import store from '@/store'export const constantRoutes = [{path: '/login',name: 'Login',hidden: '1',component: () => import(/* webpackChunkName: "login" */ '../views/login/Login.vue')},{path: '/change/psw',component: () => import('../views/index/Home.vue'),redirect: '/change/psw',hidden: '1',children: [{path: '',component: () => import('@/views/index/ChangePsw'),name: 'ChangePsw',hidden: '0',meta: { title: '修改密码', icon: '' }}]},{path: '/:w+',component: () => import('@/views/index/404.vue'),hidden: '1'}
]const router = createRouter({history: createWebHashHistory(),routes: constantRoutes
})const whiteList = ['/login']
router.beforeEach((to, from, next) => {document.title = to.meta.title || '系统'const token = getToken()if (token) {if (to.path === '/login') {next('/')} else {if (store.getters.addRouters.length === 0) {roleMenu().then(res => {store.dispatch('generateRoutes', res.data).then(() => {store.getters.addRouters.forEach(item => {router.addRoute(item)})next({ ...to, replace: true })})})store.dispatch('getCurUserInfo')} else {next()}}} else {if (whiteList.indexOf(to.path) !== -1) {next()} else {next('/login')}}
})router.afterEach((to, from) => {setKeepAlive(to)
})function setKeepAlive(to) {if(to.meta.keep_alive === '1') {store.commit("setKeepAlive", to.name);}
}export default router

五、底部获取项目源码（9.9￥带走）

有问题，或者需要协助调试运行项目的也可以