概述
需要注意的是：API有它的具体用途，我们应该清楚它是干啥的。访问API的时候应该输入什么。访问过API过后应该得到什么。
在开始设计API时，我们应该注意这8点。后续的开发计划就围绕着这个进行了。
1.Restful设计原则
2.API的命名
3.API的安全性
4.API返回数据
5.图片的处理
6.返回的提示信息
7.在线API测试文档
8.在app启动时，调用一个初始化API获取必要的信息
用laravel开发API
就在我上愁着要不要从零开始学习的时候，找到了这个插件dingo/api那么现在就来安装吧！
首先一定是下载的没错
在新安装好的laravel的composer.json加入如下内容
然后打开cmd执行
composer update
在config/app.php中的providers里添加
AppProvidersOAuthServiceProvider::class,
DingoApiProviderLaravelServiceProvider::class,
LucaDegasperiOAuth2ServerStorageFluentStorageServiceProvider::class,
LucaDegasperiOAuth2ServerOAuth2ServerServiceProvider::class,
在aliases里添加
'Authorizer' => LucaDegasperiOAuth2ServerFacadesAuthorizer::class,
修改app/Http/Kernel.php文件里的内容
protected $middleware = [LucaDegasperiOAuth2ServerMiddlewareOAuthExceptionHandlerMiddleware::class, ]; protected $routeMiddleware = [ 'oauth' => LucaDegasperiOAuth2ServerMiddlewareOAuthMiddleware::class, 'oauth-user' => LucaDegasperiOAuth2ServerMiddlewareOAuthUserOwnerMiddleware::class, 'oauth-client' => LucaDegasperiOAuth2ServerMiddlewareOAuthClientOwnerMiddleware::class, 'check-authorization-params' => LucaDegasperiOAuth2ServerMiddlewareCheckAuthCodeRequestMiddleware::class, 'csrf' => AppHttpMiddlewareVerifyCsrfToken::class, ];
然后执行
php artisan vendor:publish
php artisan migrate
在.env文件里添加这些配置
API_STANDARDS_TREE=x
API_SUBTYPE=rest
API_NAME=REST
API_PREFIX=api
API_VERSION=v1
API_CONDITIONAL_REQUEST=true
API_STRICT=false
API_DEBUG=true
API_DEFAULT_FORMAT=json
修改appconfigoauth2.php文件
'grant_types' => [ 'password' => [ 'class' => 'LeagueOAuth2ServerGrantPasswordGrant', 'access_token_ttl' => 604800, 'callback' => 'AppHttpControllersAuthPasswordGrantVerifier@verify', ], ],
新建一个服务提供者，在app/Providers下新建OAuthServiceProvider.php文件内容如下
namespace AppProviders;
use DingoApiAuthAuth;
use DingoApiAuthProviderOAuth2;
use IlluminateSupportServiceProvider;
class OAuthServiceProvider extends ServiceProvider
{
public function boot()
{
$this->app[Auth::class]->extend('oauth', function ($app) {
$provider = new OAuth2($app['oauth2-server.authorizer']->getChecker());
$provider->setUserResolver(function ($id) {
// Logic to return a user by their ID.
});
$provider->setClientResolver(function ($id) {
// Logic to return a client by their ID.
});
return $provider;
});
}
public function register()
{
//
}
}
然后打开routes.php添加相关路由
//Get access_token
Route::post('oauth/access_token', function() {
return Response::json(Authorizer::issueAccessToken());
});
//Create a test user, you don't need this if you already have.
Route::get('/register',function(){
$user = new AppUser();
$user->name="tester";
$user->email="test@test.com";
$user->password = IlluminateSupportFacadesHash::make("password");
$user->save();
});
$api = app('DingoApiRoutingRouter');
//Show user info via restful service.
$api->version('v1', ['namespace' => 'AppHttpControllers'], function ($api) {
$api->get('users', 'UsersController@index');
$api->get('users/{id}', 'UsersController@show');
});
//Just a test with auth check.
$api->version('v1', ['middleware' => 'api.auth'] , function ($api) {
$api->get('time', function () {
return ['now' => microtime(), 'date' => date('Y-M-D',time())];
});
});
分别创建BaseController.php和UsersController.php内容如下
//BaseController
namespace AppHttpControllers;
use DingoApiRoutingHelpers;
use IlluminateRoutingController;
class BaseController extends Controller
{
use Helpers;
}
//UsersController
namespace AppHttpControllers;
use AppUser;
use AppHttpControllersController;
class UsersController extends BaseController
{
public function index()
{
return User::all();
}
public function show($id)
{
$user = User::findOrFail($id);
// 数组形式
return $this->response->array($user->toArray());
}
}
随后在app/Http/Controllers/Auth/下创建PasswordGrantVerifier.php内容如下
namespace AppHttpControllersAuth;
use IlluminateSupportFacadesAuth;
class PasswordGrantVerifier
{
public function verify($username, $password)
{
$credentials = [
'email' => $username,
'password' => $password,
];
if (Auth::once($credentials)) {
return Auth::user()->id;
}
return false;
}
}
打开数据库的oauth_client表新增一条client数据
INSERT INTO 'oauth_clients' ('id', 'secret', 'name', 'created_at', 'updated_at') VALUES ('1', '2', 'Main website', '2016–03–13 23:00:00', '0000–00–00 00:00:00');
随后的就是去愉快的测试了，这里要测试的API有
新增一个用户
http://localhost/register
读取所有用户信息
http://localhost/api/users
只返回用户id为4的信息
http://localhost/api/users/4
获取access_token
http://localhost/oauth/access_token
利用token值获得时间，token值正确才能返回正确值
http://localhost/api/time
打开PostMan
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