node.js (原生模板引擎模板)

 

 app01

// 引入http模塊
const http = require('http');
//連接數據庫
require('./model/connects');
// 創建網站服務器
const app = http.createServer();
//引入模板引擎
const template = require('art-template');
// 引入path模塊
const path = require('path');
// 引入處理日期的第三方模塊
const dateformat = require('dateformat')
    // 引入靜態資源訪問模塊
const serveStatic = require('serve-static');
// 引入querystring模塊
const querystring = require('querystring');

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

//實現靜態資源訪問服務
const serve = serveStatic(path.join(__dirname, 'public'))
    // 配置模板的根目錄
template.defaults.root = path.join(__dirname, 'views')

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

//當客戶端訪問服務器端的時候
app.on('request', (req, res) => {
    // 啟用路由功能
    router(req, res, () => {})
        // 啟用靜態資源訪問服務功能
    serve(req, res, () => {})
})



app.listen(3000);
console.log('服務器啟動成功')

index.js

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

//創建集合規則
const Student = require('../model/User')
    // 獲取路由對象
const router = getRouter();

//呈遞學生檔案信息頁面
router.get('/add', (req, res) => {
    let html = template('index.art', {});
    res.end(html)
})

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

//實現學生信息添加功能
router.post('/add', (req, res) => {
    //接受post請求參數
    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')

// 連接數據庫
mongoose.connect('mongodb://localhost/playground', { useNewUrlParser: true })
    .then(() => console.log('數據庫連接成功'))
    .catch(() => console.log('數據庫連失敗'))

Users.js

const mongoose = require('mongoose')
    // 創建學生集合規則
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
    }
})

// 創建集合規則
const Student = mongoose.model('Student', studentsSchema)

module.exports = Student