//对于许多人,提供一系列数据阵列。 DB::table('table_name')->save($data);
DB::lastId();
DB::table('table_name')->where('id', 1)->update($data);
DB::table('table_name')->where('id', 1)->delete();
DB::table('table_name')->delete();
DB::affectedRows();
DB::table('table_name')->get(); //返回所有列
$columns = 'column1, column2, column3 columnn' //作为字符串
或者
$columns = ['column1', 'column2', 'column3', 'columnn'] //作为数组DB::table('table_name')->get($columns);
DB::table('table_name')->where('id', 1)->get();
//多个呼叫方法在哪里创建的位置和... //在哪里呼叫或呼叫or Where DB::table('table_name')->where('id', 1) ->where('age', 20 , '>')->where('gender', 'Male')->get();
DB::table('table_name')->row()->where('id', 1)->get();
或者
DB::table('table_name')->find(1); //默认列名是“ ID”
DB::table('table_name')->where('id', 1)->value();
DB::table('table_name')->where('id', 1)->count(); DB::table('table_name')->count(); //所有行没有条件的行
DB::table('table_name')->where('id', 1)->max(); DB::table('table_name')->where('id', 1)->min(); DB::table('table_name')->where('id', 1)->avg();
DB::table('table_name')->distinct()->get(); //供应列(如果不是全部)//与条件DB::table('table_name')->distinct()->where('id', 1)->get();
DB::table('table_name')->join('table2', 'table1.primary', 'table2.foregin')->get();
//多次调用JOIN方法以使用内部联接加入mutliple表。加入方法的其他选项包括leftJoin(), rightJoin,() unionJoin()
DB::table('table_name')->between('age', 20, 25)->get();
DB::table('table_name')->range(1, 25)->get();
DB::table('table_name')->where('id', 1)->exits(); //如果存在,请重新调整
DB::table('table_name')->where('id', 1)->doesNotExist(); //存在
Database::switchTo('database_name'); //从这里开始查询
DB::table('table_name')->use('database_name', 'table')->get();
$interns = new Intern($data); $interns->save();
$interns->affectedRows();
$interns->lastId();
$interns = new Intern(); $interns->name = "Godwin"; $interns->age = 20; $inters->save();
Intern::find(1)->update($data);
Intern::find(5)->delete();
Intern::all(); //与DB::table('interns')->get();
Intern::where('id', 1)->get(); //相同的DB::table('interns')->where('id', 1)->get();
Intern::find(1);
Intern::with('course')->get(); //这将假定实习生和课程表使用ID列作为其主要键,在Intern.course_id = Courses.id上形成内在的联接课程。
Interns::with('course')->join('supervisor', 'interns.supervisor_id', 'supervisor.id')->get();
DB::query('SELETE * FROM interns WHERE age > ?')->bindings([20])->get();
php manage make:db如果数据库名称未在.env配置中指定,请使用php manage make:db dbname php manage make:migration create_migration_name这将在数据库/迁移目录下创建一个迁移文件。 (表名称应为复数形式) php manage migrate将运行所有迁移php manage migrate --file=filename这将用于单个文件的MIGATIONS。 (请勿放置文件扩展名) php manage migrate:group所有迁移文件将分组为一个SQL文件php mange migrate:group --run将运行分组迁移php manage migrate:modifiy将运行迁移修改php manage migrate:list列表所有运行迁移php manage migrate:rollback滚滚回迁移php manage migrate:refresh Rools返回并重新运行迁移php manage migrate:log日志迁移错误php manage migrate:log --clear清除迁移错误制作控制器:| php manage make:controller ControllerName
制作资源控制器:| php manage make:controller ControllerName --resource
制作模型:| php manage make:model ModelName
使模型及其迁移:| PHP管理品牌:Model -M ModelName
public function saveUser(Request $request) { $name = $request->post('name'); // get the value of name sent through an HTTP POST echo $name; }
//或public function saveUser(Request $request) { $name = $request->name; //dynamically assigned properties the Request Class echo $name; }
//或public function saveUser(Request $request) { $name = $request->body->name; //dynamically assigned properties the Request Class echo $name; }
public function saveUser(Request $request) { $name = $request->get('name'); // get the value of name sent through an HTTP GET echo $name; }
//或public function saveUser(Request $request) { $name = $request->name; echo $name; }
//或public function saveUser(Request $request) { $name = $request->params->name; echo $name; }
响应类具有2种方法,即发送和JSON。 send()发送纯文本响应,而JSON发送JSON形成的Respeonse。
public function login(Request $request) { $email = $request->post('email'); return response()->send(200, $email); }
public function login(Request $request) { $email = $request->post('email'); return response()->json(200, $email); // can be received through the message property }
redirect('user/dashboard');
redirect()->back();Route::get('user/profile', [UserController::class, 'userProfile']); Route::post('user/profile', [UserController::class, 'userProfile']); Route::group(['prefix' => 'admin', function(){ Route::get('/dashboard', [AdminController::class, 'index']); });在模板中Route::resource('products', ProductController::class); //产品是路线的前缀Route::resource('products', ProductController::class)->except(['destroy']); Route::post('user/profile', [UserController::class, 'userProfile'])->name('user.p');<a href='{{ route('user.p') }}'>Dashboard</a>中