l0nm4r / ezexpress Goto Github PK

const express = require('express')

const app = express()

app.get('/',function(req,res){
    res.end('hello,world!')
})

app.listen(4000)
console.log('Server started on port 4000...')

const path = require('path')
const app = express()
//模板有关设置
app.set('views',path.join(__dirname,'views')) // 模板路径
app.set('view engine','pug') //模板引擎

use nodejs-blog
db.createCollection('articles')

db.articles.insert({
  title:'One',
  author:'lonmar',
  body:'This is article One'
});

// schema
const kittySchema = new mongoose.Schema({
  name: String
});
// turn schema into a Model.
const Kitten = mongoose.model('Kitten', kittySchema);
//use model
const silence = new Kitten({ name: 'Silence' });

Article.find({},function(err,articles){
      res.render('index',{
          title:'index',
          articles: articles
      })
  })

let article = new Article(req.body);

article.save(function(err) {
  if (err) {
    console.log(err);
    return;
  } else {
    req.flash("success", "Article Added");
    res.redirect('/')
  }

Article.findById(req.params.id, function(err, article) {
  res.render('edit', {
    title: 'Edit Article',
    article: article //json
  })
})

app.delete('/articles/:id', function(req, res) {
  let query = { _id: req.params.id };

  Article.remove(query, function(err) {
    if (err) {
      console.log(err);
    }

    res.send('Success');
  })
})

bodyParser.text([options]) //解析文本
bodyParser.json([options]) //json

var express = require('express')
var bodyParser = require('body-parser')
 
var app = express()
 
// parse application/x-www-form-urlencoded
app.use(bodyParser.urlencoded({ extended: false }))
 
// parse application/json
app.use(bodyParser.json())
 
app.use(function (req, res) {
  res.setHeader('Content-Type', 'text/plain')
  res.write('you posted:\n')
  res.end(JSON.stringify(req.body, null, 2))
})

app.use(express.static(path.join(__dirname,'public')))

...
var session = require('express-session')
...
// 中间件
app.use(session({
    secret: 'secret-key', //dangerous!
    resave: false,
    saveUninitialized: true,
    cookie: { secure: true }
}))
...

app.use(require('connect-flash')());
app.use(function (req, res, next) {
  res.locals.messages = require('express-messages')(req, res);
  next();
});

router.get('/logout', function(req, res){
  req.logout()
  req.flash('success', 'You are logged out')
  res.redirect('/users/login')
})

//import
const { check, validationResult } = require('express-validator')
//....
router.post('/create',[
  check('title').isLength({ min: 1 }).withMessage('Title is required'),
  check('body').isLength({ min: 1 }).withMessage('Body is required')
] ,function(req,res){
  const errors = validationResult(req)
  if(!errors.isEmpty()){
      // ...
  }else{
      // ...
})
//....

const bcrypt = require('bcrypt')
// ...
let user = new User(req.body)
bcrypt.genSalt(10, function(err, salt) {
  bcrypt.hash(user.password, salt, function(err, hash) {
      if(err){
        console.log(err)
        return
      }
      user.password = hash // use hash
      // ...
  });
});

bcrypt.compare(password, user.password, function(err, isMatch) {
  if (err){
    console.log(err)
    return 
  }

  if (isMatch) {
    // ...
  } else {
    // ...
  }
})

const LocalStrategy = require('passport-local').Strategy;
const User = require('../models/user');
const bcrypt = require('bcrypt');

module.exports = function(passport) {
  passport.use(new LocalStrategy(
    function(username, password, done) {
      User.findOne({ username: username }, function (err, user) {
        if (err) { return done(err); }
        // 数据库查询返回user
        if (!user) { return done(null, false, { message: 'No User Found' }); }
        // 验证密码
        bcrypt.compare(password, user.password, function(err, isMatch) {
          if (err) { return done(err); }
          if (isMatch) {
            return done(null, user);
          } else {
            return done(null, false, { message: 'Incorrect password.' });
          }
        })

      });
    }
  ));

  passport.serializeUser(function(user, done) {
    done(null, user.id);
  });

  passport.deserializeUser(function(id, done) {
    User.findById(id, function (err, user) {
      done(err, user);
    });
  });
}

const passport = require('passport')
require('./config').passport

//初始化
app.use(passport.initialize())
app.use(passport.session())
/// ...

router.post('/login', function(req, res, next) {
  passport.authenticate('local', {
    successRedirect: '/',
    failureRedirect: '/users/login',
    failureFlash: 'Check your Password Or Username!',
    successFlash: 'Welcome!'
  })(req, res, next);
});

app.get('*',function(req,res,next){
    res.locals.user = req.user || null
    next()
})

const markdown = require('markdown').markdown
//...
article.body=markdown.toHTML(article.body)
res.render('articles/show',{
    article:article,
    author:user.name
})
//...

const marked = require('marked')

article.body=marked(article.body)
res.render('articles/show',{
    article:article,
    author:user.name
})