node.js (原生模板引擎模板)

app01

// 引入http模块
const http = require('http');
//连接数据库
require('./model/connects');
// 创建网站服务器
const app = http.createServer();
//引入模板引擎
const template = require('art-template');
// 引入path模块
const path = require('path');
// 引入处理日期的第三方模块
const dateformat = require('dateformat')
    // 引入静态资源访问模块
const serveStatic = require('serve-static');
// 引入querystring模块
const querystring = require('querystring');

const router = require('./router/index')

//实现静态资源访问服务
const serve = serveStatic(path.join(__dirname, 'public'))
    // 配置模板的根目录
template.defaults.root = path.join(__dirname, 'views')

//处理日期格式的方法
template.defaults.imports.dateformat = dateformat

//当客户端访问服务器端的时候
app.on('request', (req, res) => {
    // 启用路由功能
    router(req, res, () => {})
        // 启用静态资源访问服务功能
    serve(req, res, () => {})
})

app.listen(3000);
console.log('服务器启动成功')

index.js

//引入router模块
const getRouter = require('router');
//引入模板引擎
const template = require('art-template');
// 引入querystring模块
const querystring = require('querystring');

//创建集合规则
const Student = require('../model/User')
    // 获取路由对象
const router = getRouter();

//呈递学生档案信息页面
router.get('/add', (req, res) => {
    let html = template('index.art', {});
    res.end(html)
})

router.get('/list', async(req, res) => {
    //查询学生信息
    let student = await Student.find();
    console.log(student)
    let html = template('indexdetail.art', {
        student: student
    });
    res.end(html)
})

//实现学生信息添加功能
router.post('/add', (req, res) => {
    //接受post请求参数
    let formData = '';
    req.on('data', param => {
        formData += param;
    });
    req.on('end', async() => {
        await Student.create(querystring.parse(formData))

        res.writeHead(301, {
            Location: '/list'
        });
        res.end()
    })
})

module.exports = router

connects.js

const mongoose = require('mongoose')

// 连接数据库
mongoose.connect('mongodb://localhost/playground', { useNewUrlParser: true })
    .then(() => console.log('数据库连接成功'))
    .catch(() => console.log('数据库连失败'))

Users.js

const mongoose = require('mongoose')
    // 创建学生集合规则
const studentsSchema = new mongoose.Schema({
    name: {
        type: String,
        require: true,
        minlength: 2,
        maxlength: 10
    },
    age: {
        type: Number,
        min: 10,
        max: 25
    },
    sex: {
        type: String
    },
    email: String,
    hobbies: [String],
    collage: String,
    enterDate: {
        type: Date,
        default: Date.now
    }
})

// 创建集合规则
const Student = mongoose.model('Student', studentsSchema)

module.exports = Student