laravelÔõÑù²Ù×÷Êý¾Ý¿â
laravelÊÇÒ»¿îºÜÊÇÓÅÒìµÄphp¿ò¼Ü£¬Îª¿ª·¢Ö°Ô±ÌṩÁËÐí¶à±ãµ±£¬Èç¼ò»¯±àÂë¡¢Ìá¸ß¿ª·¢Ð§ÂʺÍÒ×ÓÚά»¤µÈ¡£Óë´Ëͬʱ£¬laravelÒ²Ö§³Ö¶àÖÖÊý¾Ý¿â²Ù×÷ÒªÁ죬ʹ¿ª·¢Ö°Ô±Ô½·¢±ã½ÝµØ¾ÙÐÐÊý¾Ý¿â²Ù×÷¡£ÔÚ±¾ÆªÎÄÕÂÖУ¬ÎÒÃǽ«ÏÈÈÝlaravel¿ò¼ÜÖÐÔõÑù¾ÙÐÐÊý¾Ý¿â²Ù×÷¡£
µÚÒ»²½£ºÉèÖÃÊý¾Ý¿âÐÅÏ¢
Ê×ÏÈ£¬ÎÒÃÇÐèÒªÔÚLaravelÏîÄ¿ÖÐÉèÖÃÊý¾Ý¿âÐÅÏ¢¡£¿ÉÒÔÔÚconfig/database.phpÎļþÖоÙÐÐÉèÖã¬ÆäÖаüÀ¨Êý¾Ý¿âÀàÐÍ¡¢Ö÷»úµØµã¡¢¶Ë¿Ú¡¢Êý¾Ý¿âÃû¡¢Óû§ÃûºÍÃÜÂëµÈÐÅÏ¢¡£
ÔÚLaravelÖУ¬¿ÉÒÔÖ§³Ö¶à¸öÊý¾Ý¿â¡£Òò´Ë£¬ÐèÒªÔÚconfig/database.php ÖоÙÐÐÉèÖã¬ÀýÈ磺
'connections' => [ 'mysql' => [ 'driver' => 'mysql', 'host' => env('DB_HOST', '127.0.0.1'), 'port' => env('DB_PORT', '3306'), 'database' => env('DB_DATABASE', 'forge'), 'username' => env('DB_USERNAME', 'forge'), 'password' => env('DB_PASSWORD', ''), 'unix_socket' => env('DB_SOCKET', ''), 'charset' => 'utf8mb4', 'collation' => 'utf8mb4_unicode_ci', 'prefix' => '', 'strict' => true, 'engine' => null, ], 'mysql2' => [ 'driver' => 'mysql', 'host' => env('DB2_HOST', '127.0.0.1'), 'port' => env('DB2_PORT', '3306'), 'database' => env('DB2_DATABASE', 'forge'), 'username' => env('DB2_USERNAME', 'forge'), 'password' => env('DB2_PASSWORD', ''), 'unix_socket' => env('DB2_SOCKET', ''), 'charset' => 'utf8mb4', 'collation' => 'utf8mb4_unicode_ci', 'prefix' => '', 'strict' => true, 'engine' => null, ],
µÇ¼ºó¸´ÖÆ
¿ÉÒÔ¿´µ½£¬ÕâÀï½ç˵ÁËÁ½¸öÊý¾Ý¿âÅþÁ¬£ºmysqlºÍmysql2£¬ËüÃÇ»®·Ö¶ÔÓ¦²î±ðµÄÊý¾Ý¿â¡£
ÔÚ.envÎļþÖпÉÒÔÖ¸¶¨Ã¿¸öÊý¾Ý¿âµÄÏà¹ØÉèÖãº
DB_CONNECTION=mysql DB_HOST=127.0.0.1 DB_PORT=3306 DB_DATABASE=database_name DB_USERNAME=database_username DB_PASSWORD=database_password DB_CONNECTION=mysql2 DB_HOST=127.0.0.1 DB_PORT=3306 DB2_DATABASE=database2_name DB2_USERNAME=database2_username DB2_PASSWORD=database2_password
µÇ¼ºó¸´ÖÆ
ÕâЩÉèÖÃÐÅÏ¢½«ÔÚLaravelÓ¦ÓóÌÐòÖÐʹÓá£
µÚ¶þ²½£º½¨ÉèÄ£×Ó
ÔÚLaravel¿ò¼ÜÖУ¬Ä£×Ó¿ÉÓÃÓÚÓëÊý¾Ý¿â½»»¥¡£Ä£×ÓÊÇÒ»¸öÀ࣬ÓÃÓÚ´¦ÀíÊý¾Ý¿âÖеÄÊý¾Ý¡£Ê¹ÓÃÄ£×Ó¿ÉÒÔ°ÑÊý¾Ý¿âµÄ±íÓ³Éäµ½Ò»¸öPHPÀàÖУ¬Ê¹ÎÒÃÇÄܹ»¸üÀû±ãµØ²Ù×÷Êý¾Ý¿â¡£
ʹÓÃArtisanÏÂÁîÐй¤¾ßÀ´¿ìËÙÌìÉúÄ£×Ó£¬ÀýÈ磺
php artisan make:model User
µÇ¼ºó¸´ÖÆ
Õ⽫ÔÚapp/ModelsĿ¼ÏÂÌìÉúÒ»¸öÃûΪUserµÄÄ£×ÓÀ࣬¿ÉÒÔÔÚÆäÖнç˵±í¡¢Ö÷¼ü¡¢Ê±¼ä´ÁµÈÐÅÏ¢¡£
namespace App\Models; use Illuminate\Database\Eloquent\Model; class User extends Model { protected $table = 'user'; protected $primaryKey = 'id'; public $timestamps = true; }
µÇ¼ºó¸´ÖÆ
µÚÈý²½£ºÅÌÎÊÊý¾Ý
ÔÚLaravelÖУ¬Í¨¹ýEloquent ORM¿ÉÒÔÀû±ãµØ¾ÙÐÐÊý¾Ý¿âÅÌÎÊ¡£Í¨¹ýÄ£×Ó¿ÉÒÔÇáËɵØÅÌÎÊij¸ö±í¡£ÀýÈçʹÓÃÒÔÏÂEloquentÒªÁì¿ÉÒÔ»ñÈ¡¡°User¡±±íÖеÄËùÓмͼ£º
use App\Models\User; $users = User::all();
µÇ¼ºó¸´ÖÆ
ʹÓÃfindOrFailÒªÁì²éÕҼͼʱ£¬¿ÉÒÔ½«¸ÃÒªÁìÓëÄ£×ÓIDÒ»ÆðʹÓãº
$user = User::findOrFail(1);
µÇ¼ºó¸´ÖÆ
ÅÌÎÊijЩ¼Í¼ʱ£¬¿ÉÒÔʹÓÃwhereÒªÁ죺
use App\Models\User; $users = User::where('name', 'John')->get();
µÇ¼ºó¸´ÖÆ
»¹¿ÉÒÔʹÓÃÆäËûÌõ¼þ¾ÙÐÐÅÌÎÊ£¬ÀýÈ磺
$user = User::where('name', 'John')->first();
µÇ¼ºó¸´ÖÆ
$users = User::select('name')->distinct()->get();
µÇ¼ºó¸´ÖÆ
$users = User::orderBy('name', 'desc')->take(10)->get();
µÇ¼ºó¸´ÖÆ
µÚËIJ½£º²åÈëÊý¾Ý
ÔÚLaravel¿ò¼ÜÖвåÈëÊý¾ÝºÜÊǼòÆÓ¡£Ê¹ÓÃÄ£×Ó½¨Éèмͼʱ£¬¿ÉÒÔʹÓÃÒÔÏ´úÂ룺
$user = new User; $user->name = 'John'; $user->email = 'john@example.com'; $user->save();
µÇ¼ºó¸´ÖÆ
»¹¿ÉÒÔÔÚÒ»¸öÀàÖÐʹÓÃcreateÒªÁìÒ»´Î½¨Éè¶à¸öмͼ£º
User::create([ 'name' => 'Jane', 'email' => 'jane@example.com', ]);
µÇ¼ºó¸´ÖÆ
µÚÎå²½£º¸üÐÂÊý¾Ý
ͨ¹ýÄ£×Ó¸üÐÂÊý¾ÝÒ²ºÜÊÇÈÝÒס£¿ÉÒÔͨ¹ýÒÔÏ´úÂë¸üÐÂÒ»¸ö¼Í¼£º
$user = User::find(1); $user->email = 'john.doe@example.com'; $user->save();
µÇ¼ºó¸´ÖÆ
Ò²¿ÉÒÔÅúÁ¿¸üмͼ£º
User::where('name', 'John')->update(['email' => 'john.doe@example.com']);
µÇ¼ºó¸´ÖÆ
µÚÁù²½£ºÉ¾³ýÊý¾Ý
ɾ³ýÊý¾ÝÓë¸üÐÂÊý¾ÝµÄÒªÁìÀàËÆ¡£ÈôÊÇÄúҪɾ³ýµ¥¸ö¼Í¼£¬ÇëʹÓÃÒÔÏÂÏÂÁ
$user = User::find(1); $user->delete();
µÇ¼ºó¸´ÖÆ
µ±ÐèҪɾ³ý¶à¸ö¼Í¼ʱ£¬¿ÉÒÔʹÓÃÒÔÏÂÏÂÁ
User::where('name', 'John')->delete();
µÇ¼ºó¸´ÖÆ
×¢ÖØ£¬deleteÒªÌå»á½«¼Í¼´ÓÊý¾Ý¿âÖÐÓÀÊÀɾ³ý¡£¿ÉÒÔʹÓÃÈíɾ³ý¹¦Ð§½«ÆäÒƶ¯µ½ÁíÒ»¸ö±íÖУ¬¶ø²»ÊÇÓÀÊÀɾ³ý¡£
×ܽá
Laravel ORMΪ³ÌÐòÔ±ÌṩÁËÒ»¸öÇ¿Ê¢µÄ¹¤¾ßÀ´²Ù×÷Êý¾Ý¿â¡£Í¨¹ýÉÏÊö¼¸¸ö°ì·¨£¬Äú¿ÉÒÔÇáËɵؾÙÐÐÊý¾Ý¿âÅÌÎÊ¡¢²åÈë¡¢¸üкÍɾ³ýµÈ²Ù×÷¡£ÖµµÃ×¢ÖصÄÊÇ£¬Ó¦¸ÃºÜÊÇСÐĵش¦ÀíÃô¸ÐÊý¾Ý²¢ÇÒ¼á³ÖÓÅÒìµÄÐÐΪ¡£Ï£ÍûÕâƪÎÄÕ¶ÔÄúÔÚLaravelÖвÙ×÷Êý¾Ý¿âÓÐËù×ÊÖú¡£
ÒÔÉϾÍÊÇlaravelÔõÑù²Ù×÷Êý¾Ý¿âµÄÏêϸÄÚÈÝ£¬¸ü¶àÇë¹Ø×¢±¾ÍøÄÚÆäËüÏà¹ØÎÄÕ£¡