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https://github.com/zwq8299174/angular-demo

Angular-Demo
https://github.com/zwq8299174/angular-demo

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Angular-Demo

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README 

        
# Angular QuickStart Source

[![Build Status][travis-badge]][travis-badge-url]



This repository holds the TypeScript source code of the [angular.io quickstart](https://angular.io/docs/ts/latest/quickstart.html),

the foundation for most of the documentation samples and potentially a good starting point for your application.



It's been extended with testing support so you can start writing tests immediately.



**This is not the perfect arrangement for your application. It is not designed for production.

It exists primarily to get you started quickly with learning and prototyping in Angular**



We are unlikely to accept suggestions about how to grow this QuickStart into something it is not.

Please keep that in mind before posting issues and PRs.



## Updating to a newer version of the Quickstart Repo



From time to time the QuickStart will be enhanced with support for new features or to reflect

changes to the [official Style Guide](https://angular.io/docs/ts/latest/guide/style-guide.html).



You can update your existing project to an up-to-date QuickStart by following these instructions:

- Create a new project using the [instructions below](#create-a-new-project-based-on-the-quickstart)

- Copy the code you have in your project's `main.ts` file onto `src/app/main.ts` in the new project

- Copy your old `app` folder into `src/app`

- Delete `src/app/main.ts` if you have one (we now use `src/main.ts` instead)

- Copy your old `index.html`, `styles.css` and `tsconfig.json` into `src/`

- Install all your third party dependencies

- Copy your old `e2e/` folder into `e2e/`

- Copy over any other files you added to your project

- Copy your old `.git` folder into your new project's root



Now you can continue working on the new project.



## Prerequisites



Node.js and npm are essential to Angular development. 

    



Get it now if it's not already installed on your machine.

 

**Verify that you are running at least node `v4.x.x` and npm `3.x.x`**

by running `node -v` and `npm -v` in a terminal/console window.

Older versions produce errors.



We recommend [nvm](https://github.com/creationix/nvm) for managing multiple versions of node and npm.



## Create a new project based on the QuickStart



Clone this repo into new project folder (e.g., `my-proj`).

```shell

git clone https://github.com/angular/quickstart  my-proj

cd my-proj

```



We have no intention of updating the source on `angular/quickstart`.

Discard the `.git` folder..

```shell

rm -rf .git  # OS/X (bash)

rd .git /S/Q # windows

```

### Delete _non-essential_ files (optional)



You can quickly delete the _non-essential_ files that concern testing and QuickStart repository maintenance

(***including all git-related artifacts*** such as the `.git` folder and `.gitignore`!)

by entering the following commands while in the project folder:



##### OS/X (bash)

```shell

xargs rm -rf < non-essential-files.osx.txt

rm src/app/*.spec*.ts

rm non-essential-files.osx.txt

```



##### Windows

```shell

for /f %i in (non-essential-files.txt) do del %i /F /S /Q

rd .git /s /q

rd e2e /s /q

```



### Create a new git repo

You could [start writing code](#start-development) now and throw it all away when you're done.

If you'd rather preserve your work under source control, consider taking the following steps.



Initialize this project as a *local git repo* and make the first commit:

```shell

git init

git add .

git commit -m "Initial commit"

```



>Recover the deleted `.gitignore` from the QuickStart repository 

if you lost it in the _Delete non-essential files_ step.



Create a *remote repository* for this project on the service of your choice.



Grab its address (e.g. *`https://github.com//my-proj.git`*) and push the *local repo* to the *remote*.

```shell

git remote add origin 

git push -u origin master

```

## Install npm packages



> See npm and nvm version notes above



Install the npm packages described in the `package.json` and verify that it works:



```shell

npm install

npm start

```



>Doesn't work in _Bash for Windows_ which does not support servers as of January, 2017.



The `npm start` command first compiles the application, 

then simultaneously re-compiles and runs the `lite-server`.

Both the compiler and the server watch for file changes.



Shut it down manually with `Ctrl-C`.



You're ready to write your application.



### npm scripts



We've captured many of the most useful commands in npm scripts defined in the `package.json`:



* `npm start` - runs the compiler and a server at the same time, both in "watch mode".

* `npm run build` - runs the TypeScript compiler once.

* `npm run build:w` - runs the TypeScript compiler in watch mode; the process keeps running, awaiting changes to TypeScript files and re-compiling when it sees them.

* `npm run serve` - runs the [lite-server](https://www.npmjs.com/package/lite-server), a light-weight, static file server, written and maintained by

[John Papa](https://github.com/johnpapa) and

[Christopher Martin](https://github.com/cgmartin)

with excellent support for Angular apps that use routing.



Here are the test related scripts:

* `npm test` - compiles, runs and watches the karma unit tests

* `npm run e2e` - compiles and run protractor e2e tests, written in Typescript (*e2e-spec.ts)



## Testing



The QuickStart documentation doesn't discuss testing.

This repo adds both karma/jasmine unit test and protractor end-to-end testing support.



These tools are configured for specific conventions described below.



*It is unwise and rarely possible to run the application, the unit tests, and the e2e tests at the same time.

We recommend that you shut down one before starting another.*



### Unit Tests

TypeScript unit-tests are usually in the `src/app` folder. Their filenames must end in `.spec.ts`.



Look for the example `src/app/app.component.spec.ts`.

Add more `.spec.ts` files as you wish; we configured karma to find them.



Run it with `npm test`



That command first compiles the application, then simultaneously re-compiles and runs the karma test-runner.

Both the compiler and the karma watch for (different) file changes.



Shut it down manually with `Ctrl-C`.



Test-runner output appears in the terminal window.

We can update our app and our tests in real-time, keeping a weather eye on the console for broken tests.

Karma is occasionally confused and it is often necessary to shut down its browser or even shut the command down (`Ctrl-C`) and

restart it. No worries; it's pretty quick.



### End-to-end (E2E) Tests



E2E tests are in the `e2e` directory, side by side with the `src` folder.

Their filenames must end in `.e2e-spec.ts`.



Look for the example `e2e/app.e2e-spec.ts`.

Add more `.e2e-spec.js` files as you wish (although one usually suffices for small projects);

we configured Protractor to find them.



Thereafter, run them with `npm run e2e`.



That command first compiles, then simultaneously starts the `lite-server` at `localhost:8080`

and launches Protractor.  



The pass/fail test results appear at the bottom of the terminal window.

A custom reporter (see `protractor.config.js`) generates a  `./_test-output/protractor-results.txt` file

which is easier to read; this file is excluded from source control.



Shut it down manually with `Ctrl-C`.



[travis-badge]: https://travis-ci.org/angular/quickstart.svg?branch=master

[travis-badge-url]: https://travis-ci.org/angular/quickstart