在Windows 7 64位上.通过向导安装Node.js给了我npm.
我运行npm install -g yo并获得以下内容
你的npm版本已经过时了.
完成输出:
C:\Users\dlite922>npm install -g yo
|
> spawn-sync@1.0.11 postinstall C:\Users\dlite922\AppData\Roaming\npm\node_modules\yo\node_modules\cross-spawn\node_modules\spaw
> node postinstall
C:\Users\dlite922\AppData\Roaming\npm\yo -> C:\Users\dlite922\AppData\Roaming\npm\node_modules\yo\lib\cli.js
> yo@1.4.7 postinstall C:\Users\dlite922\AppData\Roaming\npm\node_modules\yo
> yodoctor
Yeoman Doctor
Running sanity checks on your system
? Global configuration file is valid
? NODE_PATH matches the npm root
? Node.js version
× npm version
Your npm version is outdated.
Upgrade to the latest version by running:
npm install -g npm
See this guide if you're having trouble upgrading: …我希望从一个商店状态传递一个参数到产品状态的显示产品信息:
我的应用程序 - storeApp
.config(['$stateProvider', function($stateProvider) {
$stateProvider
.state('store', {
url: '/store',
templateUrl: 'store/store',
controller: 'storeCtrl'
})
.state('products', {
url: '/products/:productSku',
templateUrl: 'store/product',
controller: 'productCtrl',
resolve: {
productResource: 'productFactory',
_product: function(productResource, $stateParams){
return productResource.getProduct($stateParams.productSku);
}
}
Store.jade
a(href='/products/{{product.sku}}')
产品控制器
.controller("productCtrl", function ($rootScope, $http, $stateParams, productFactory, storeFactory) {
//.controller('productCtrl', ['_product', function ($scope, $rootScope, storeFactory, _product) {
console.log($stateParams.productSku);
产品工厂
function getProduct(sku) {
return $http.get('http://localhost:3000/api/products/' + sku );
}
由于我使用的是MEAN Stack,所以节点附有路由器来表示:
Server.js
const storeController = require('./controllers/store');
server.get('/store/product', passportConfig.isAuthenticated, storeController.getProductPage);
Store.js
exports.getProductPage = (req, …我一直在学习如何使用MEAN堆栈来构建Web应用程序,到目前为止它已经很有趣了.我没有使用yeoman生成器或npm应用程序为我生成代码,而是从头开始构建我的整个应用程序.通过这种方式,我知道每个部分如何连接以及我的应用程序发生了什么.当我查看开发人员控制台并看到时,我刚开始连接应用程序的前端和后端
GET http://blog.dev/bower_components/angular/angular.js
不仅有角度,还有我拥有的其他资源(Modernizr,angular-routes,mootools,restangular等等).使用yeoman角度生成器时,您可以运行grunt serve命令启动角度侧.因为我从头开始构建应用程序,我使用npm作为构建工具,我不知道如何构建前端服务器.所以,我只是使用一个指向我的index.html的简单nginx虚拟主机.这是配置:
server {
listen 80;
server_name blog.dev;
root /home/michael/Workspace/blog/app;
index index.html index.htm;
location / {
try_files $uri $uri/ =404;
}
}
我不确定其他变量可能会对这种情况产生什么影响,所以如果我错过了什么,请告诉我,我很乐意为您提供所需的信息!
为了设计MEAN堆栈应用程序,我正在创建单独的模块(angularjs,expressjs,nodejs,mongodb),我手动链接它们.您能否建议我使用IDE直接设计MEAN堆栈应用程序.
本质上,我只是尝试将新的子文档添加到具有以下模式的现有mongodb文档中
/models/server/destination.js
// this is the "destination" model for mongoose
var mongoose = require('mongoose')
var Adventure = require('../models/adventure')
// this is the schema that every entry will get when a new trip is made.
var tripSchema = mongoose.Schema({
name: { type: String, required: true },
city: { type: String, required: true },
dateStart: { type: Date, required: true },
dateFinish: { type: Date, required: true },
adventures: [Adventure]
})
// module.exports makes this model available to other file
module.exports = …对于MEAN堆栈,我正在学习Mongoose的save()函数,它接受回调.其API说明:
Model#save([options], [fn])
Saves this document.
Parameters:
[options] <Object> options set `options.safe` to override [schema's safe option](http://mongoosejs.com//docs/guide.html#safe)
[fn] <Function> optional callback
我如何知道可选回调中的参数？API仅举例说明:
product.sold = Date.now();
product.save(function (err, product, numAffected) {
if (err) ..
})
The callback will receive three parameters
err if an error occurred
product which is the saved product
numAffected will be 1 when the document was successfully persisted to MongoDB, otherwise 0.
我认为API应该说的可选回调如下:
[fn] <Function> optional callback with this structure:
function(err, theDocumentToBeSaved, [isSaveSuccessful])
它可以像下面这样使用.请注意,第二个参数(文档)必须与调用save的文档相同. …
我正在开发一个MEAN堆栈Web应用程序,我想使用ng2-file-upload上传文件.这是我的Angular 2代码.
classroom.component.html
<input type="file" class="form-control" name="single" ng2FileSelect [uploader]="uploader" />
<button type="button" class="btn btn-success btn-s"
(click)="uploader.uploadAll()" [disabled]="!uploader.getNotUploadedItems().length">
<span class="glyphicon glyphicon-upload"></span> Upload all
</button><br />
classroom.component.ts
uploader:FileUploader = new FileUploader({url: "http://localhost:3000/api/material/create-material"});
在server.js中
app.use(cors());
app.use('/api',api);
app.use('/api/material',material);
并在material.js
var storage = multer.diskStorage({ //multers disk storage settings
destination: function (req, file, cb) {
cb(null, './uploads/');
},
filename: function (req, file, cb) {
var datetimestamp = Date.now();
cb(null, file.fieldname + '-' + datetimestamp + '.' + file.originalname.split('.')[file.originalname.split('.').length -1]);
}
});
var upload = multer({ //multer …我正在使用MEANJS堆栈,我使用ng-flow上传图像并将imgsrc保存为base64 url.
data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAARkAAACzCAYAAAC94GgrA....
这是我的猫鼬模式:
var ServiceSchema = new mongoose.Schema({
name : String,
url: String,
description : String,
category : String,
imgsrc: String
});
我遇到大图像的请求实体太大服务器错误.
我可以在上传之前调整图像大小,但这仍然只允许我200 x 200的图像
$scope.resizeimageforupload = function(img){
var canvas = document.getElementById('canvas');
var MAX_WIDTH = 200; //400; too big still
var MAX_HEIGHT = 200; //300 too big still
var width = img.width;
var height = img.height;
if (width > height) {
if (width > MAX_WIDTH) {
height *= MAX_WIDTH / width;
width = MAX_WIDTH; …我正在MEAN.js上运行一些项目,我遇到了以下问题.我想做一些用户的配置文件计算并将其保存到数据库.但是用户模型中的方法存在问题:
UserSchema.pre('save', function(next) {
if (this.password && this.password.length > 6) {
this.salt = new Buffer(crypto.randomBytes(16).toString('base64'), 'base64');
this.password = this.hashPassword(this.password);
}
next();
});
如果我将使用我的更改发送密码,它将更改凭据,因此用户下次无法登录.我想在保存之前从用户对象中删除密码,但是我无法做到(让我们看看下面代码中的注释):
exports.signin = function(req, res, next) {
passport.authenticate('local', function(err, user, info) {
if (err || !user) {
res.status(400).send(info);
} else {
/* Some calculations and user's object changes */
req.login(user, function(err) {
if(err) {
res.status(400).send(err);
} else {
console.log(delete user.password); // returns true
console.log(user.password); // still returns password :(
//user.save();
//res.json(user);
}
});
}
})(req, res, next);
}; …我正在构建一个基本的MEAN webapp并且是新的堆栈.我的前端正在运行,但只要我将以下行添加到app.js:
var mongoose = require('mongoose');
require('./models/test');
mongoose.connect('mongodb://localhost:3000/design-data-test');
我在终端中收到以下错误:
Error: Cannot find module 'debug'
at Function.Module._resolveFilename (module.js:336:15)
at Function.Module._load (module.js:278:25)
at Module.require (module.js:365:17)
at require (module.js:384:17)
at Object.<anonymous> (/Users/username/node_modules/mongoose/node_modules/mquery/lib/mquery.js:11:13)
at Module._compile (module.js:460:26)
at Object.Module._extensions..js (module.js:478:10)
at Module.load (module.js:355:32)
at Function.Module._load (module.js:310:12)
at Module.require (module.js:365:17)
at require (module.js:384:17)
并且我的所有前端代码都停止运行.Mongodb正在默认端口上运行.
我该如何解决这个错误？