node.js (原生模板引擎模板)

Posted 2021-03-08 Mr Riven

 

 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