{
          "name": "node-todo-api",   "version": "1.0.0",   "description": "",   "main": "index.js",   "scripts": {
            "start": "node server/server.js",     "test": "export NODE_ENV=test || SET NODE_ENV=test && mocha server/**/*.test.js",     "test-watch": "nodemon --exec 'npm test'"   },   "engines": {
            "node": "6.2.2"   },   "author": "",   "license": "ISC",   "dependencies": {
            "bcryptjs": "^2.3.0",     "body-parser": "^1.15.2",     "crypto-js": "^3.1.6",     "express": "^4.14.0",     "jsonwebtoken": "^7.1.9",     "lodash": "^4.15.0",     "mongodb": "^2.2.5",     "mongoose": "^4.5.9",     "validator": "^5.6.0"   },   "devDependencies": {
            "expect": "^1.20.2",     "mocha": "^3.0.2",     "nodemon": "^1.10.2",     "supertest": "^2.0.0"   } }

.gitignore里面的文件不会提交 git init git add . git commit -m "fitst commit"

heroku login  // 登陆账号密码 heroku create //创建分支 git push heroku master //提交到heroku管理的远程分支 hexoru open   //打开网址 得到：https://mighty-plateau-79112.herokuapp.com

jacksondeMacBook-Pro:compaign jackson$ heroku config === mighty-plateau-79112 Config Vars MONGODB_URI: mongodb://heroku_10kx7394:ij2q2p51lgsh0grsp2dq56mgu2@ds211694.mlab.com:11694/heroku_10kx7394

server: ds211694.mlab.com port: 11694 authentication DB: heroku_10kx7394 Username: heroku_10kx7394 password: ij2q2p51lgsh0grsp2dq56mgu2

1、打开mongoDB > ./mongod -dbpath /Users/jackson/Downloads/mongodb-data 2、运行 >node postman.js 3、打开postman 选择post 输入 >https://mighty-plateau-79112.herokuapp.com/users  保存user Body中填入： {
        	"email": "zhuimengshaonian08@gmail.com", 	"password" : "123abc!" } 返回： {
            "_id": "5c00a66978dd038d39dc4b89",     "email": "zhuimengshaonian08@gmail.com" } header: x-auth →eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJfaWQiOiI1YmZlNzE2NTkxZTc4YzZhNGFkOGMxNjQiLCJhY2Nlc3MiOiJhdXRoIiwiaWF0IjoxNTQzNDAxODI5fQ.wOKNzkls_w_jA5YVkCo0r9gFZ4-KtD6GarRiCDpAPr8 4、 选择patch 输入 >https://mighty-plateau-79112.herokuapp.com/todos/5c00a66978dd038d39dc4b89   准备修改 Body中填入： {
        	"text": "zhuimengshaonian09@gmail.com", } header附带返回： x-auth →eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJfaWQiOiI1YmZlNzE2NTkxZTc4YzZhNGFkOGMxNjQiLCJhY2Nlc3MiOiJhdXRoIiwiaWF0IjoxNTQzNDAxODI5fQ.wOKNzkls_w_jA5YVkCo0r9gFZ4-KtD6GarRiCDpAPr8 返回： {
            "completed": false,     "completedAt": null,     "_id": "5c00a66978dd038d39dc4b89",     "text": "zhuimengshaonian09@gmail.com",     "_creator": "5c00a58c78dd038d39dc4b87",     "__v": 0 }

var mongoose = require('mongoose'); var express = require('express'); var bodyParser = require('body-parser'); const {ObjectID} = require('mongodb'); var _ = require('lodash'); const validator = require('validator'); const jwt = require('jsonwebtoken'); const bcrypt = require('bcryptjs'); //app var app = express(); const port = process.env.PORT || 3000; //express middleware  Jonson对象与字符串转换。 app.use(bodyParser.json()); // mongoose.Promise = global.Promise; //连接mogodb mongoose.connect(process.env.MONGODB_URI || 'mongodb://localhost:27017/TodoApp'); //模版 var Todo = mongoose.model('Todo',{
            text:{
              type:String,  //类型       required:true, //必须要有       minlength:1, //最小长度       trim:true   //去除空格     },     completed:{
              type:Boolean,       default:false  //默认值     },     completedAt:{
              type:Number,       default:null     },     _creator: {
              type: mongoose.Schema.Types.ObjectId,       required: true     } }); var UserSchema = new mongoose.Schema({
          email: {
            type: String,     required: true,     trim: true,     minlength: 1,     unique: true,     validate: {
              validator: validator.isEmail,       message: '{VALUE} is not a valid email'     }   },   password: {
            type: String,     require: true,     minlength: 6   },   tokens: [{
            access: {
              type: String,       required: true     },     token: {
              type: String,       required: true     }   }] }); UserSchema.methods.toJSON = function () {
          var user = this;   var userObject = user.toObject();   return _.pick(userObject, ['_id', 'email']); }; UserSchema.methods.generateAuthToken = function () {
          var user = this;   var access = 'auth';   var token = jwt.sign({
        _id: user._id.toHexString(), access}, 'abc123').toString();   user.tokens = user.tokens.concat([{access,token}]);   return user.save().then(() => {
            return token;  //返回token   }); }; UserSchema.methods.removeToken = function (token) {
          var user = this;   return user.update({
            $pull: {
              tokens: {token}     }   }); }; UserSchema.statics.findByToken = function (token) {
          var User = this;   var decoded;   try {
            decoded = jwt.verify(token, 'abc123');   } catch (e) {
            return Promise.reject();   }   return User.findOne({
            '_id': decoded._id,     'tokens.token': token,     'tokens.access': 'auth'   }); }; UserSchema.statics.findByCredentials = function (email, password) {
          var User = this;   return User.findOne({email}).then((user) => {
            if (!user) {
              return Promise.reject();     }     return new Promise((resolve, reject) => {
              // Use bcrypt.compare to compare password and user.password       bcrypt.compare(password, user.password, (err, res) => {
                if (res) {
                  resolve(user);         } else {
                  reject();         }       });     });   }); }; //在保存之前执行操作。 UserSchema.pre('save', function (next) {
          var user = this; //保存时对于密码的更新   if (user.isModified('password')) {
            bcrypt.genSalt(10, (err, salt) => {
              //密码变为了hash       bcrypt.hash(user.password, salt, (err, hash) => {
                user.password = hash;         next();       });     });   } else {
            next();   } }); var User = mongoose.model('User', UserSchema); //auth middlewire var authenticate = (req, res, next) => {
          var token = req.header('x-auth');   User.findByToken(token).then((user) => {
            if (!user) {
              return Promise.reject();     }     req.user = user;     req.token = token;     next();   }).catch((e) => {
            res.status(401).send();   }); }; app.delete('/users/me/token', authenticate, (req, res) => {
          req.user.removeToken(req.token).then(() => {
            res.status(200).send();   }, () => {
            res.status(400).send();   }); }); app.get('/users/me', authenticate, (req, res) => {
          res.send(req.user); }); // POST /users/login {email, password} app.post('/users/login', (req, res) => {
          var body = _.pick(req.body, ['email', 'password']);   User.findByCredentials(body.email, body.password).then((user) => {
            return user.generateAuthToken().then((token) => {
              res.header('x-auth', token).send(user);     });   }).catch((e) => {
            res.status(400).send();   }); }); // POST /users app.post('/users', (req, res) => {
          var body = _.pick(req.body, ['email', 'password']);   var user = new User(body);   user.save().then(() => {
            return user.generateAuthToken(); //调用方法，产生auth token并保存。   }).then((token) => {
            res.header('x-auth', token).send(user); //设置了响应头   }).catch((e) => {
            res.status(400).send(e);   }) }); //express route app.post('/todos',authenticate,(req,res)=>{
        //  console.log(req.body);     //建立对象document     var todo = new Todo({
                text:req.body.text,         _creator:req.user._id     });     //保存       todo.save().then((doc)=>{
              res.send(doc);     },(e)=>{
                res.status(400).send(e);     }); }) //获取所有属性 app.get('/todos', authenticate,(req, res) => {
          Todo.find({
              _creator:req.user._id   }).then((todos) => {
            res.send({todos});   }, (e) => {
            res.status(400).send(e);   }) }); //查询id app.get('/todos/:id', authenticate,(req, res) => {
          var id = req.params.id;   if (!ObjectID.isValid(id)) {
            return res.status(404).send();   }   Todo.findOne({
            _id:id,     _creator:req.user._id   }).then((todo) => {
            if (!todo) {
              return res.status(404).send();     }     res.send({todo});   }).catch((e) => {
            res.status(400).send();   }); }); //删除 app.delete('/todos/:id',  authenticate,(req, res) => {
          var id = req.params.id;   if (!ObjectID.isValid(id)) {
            return res.status(404).send();   }   Todo.findOneAndRemove({
            _id: id,   _creator: req.user._id   }).then((todo) => {
            if (!todo) {
              return res.status(404).send();     }     res.send({todo});   }).catch((e) => {
            res.status(400).send();   }); }); //更新 app.patch('/todos/:id',authenticate, (req, res) => {
          var id = req.params.id;   var body = _.pick(req.body, ['text', 'completed']);   if (!ObjectID.isValid(id)) {
            return res.status(404).send();   }   if (_.isBoolean(body.completed) && body.completed) {
            body.completedAt = new Date().getTime();   } else {
            body.completed = false;     body.completedAt = null;   }   Todo.findOneAndUpdate({
        _id: id, _creator: req.user._id}, {
        $set: body}, {
        new: true}).then((todo) => {
            if (!todo) {
              return res.status(404).send();     }     res.send({todo});   }).catch((e) => {
            res.status(400).send();   }) }); //监听 app.listen(port,()=>{
            console.log(`Start on port ${port}`); }); module.exports = {
           app,    Todo }