CREATETABLE IF NOT EXISTS student( `id` INT AUTO_INCREMENT PRIMARY KEY, `name` VARCHAR(255) NOT NULL DEFAULT ''COMMENT '姓名', `age` TINYINT UNSIGNED NOT NULL DEFAULT 0COMMENT '年龄', `sex` TINYINT UNSIGNED NOT NULL DEFAULT 10 COMMENT '性别', `created_at`INT NOT NULL DEFAULT 0 COMM...
#① 创建数据库,并使用USE选择数据库 CREATE DATABASE IF NOT EXISTS `laravel` DEFAULT CHARSET utf8mb4; USE `laravel`; # 作者表 CREATE TABLE `author` ( `id` INT UNSIGNED PRIMARY KEY AUTO_INCREMENT, `author_name` VARCHAR(20) NOT NULL COMMENT '作者名称' ) DEFAULT CHARSET=utf8mb4; # 文章...
使用wherenotexists在 Insert 前判断表内是否已存在相同记录 格式: INSERT 系统代码表 (字段1, 字段2, 字段3, 字段4, 字段5 ) SELECT '值1', '值2', '值3', '值4', '值5'WHERENOT...EXISTS(SELECT * FROM 系统代码表WHERE字段1 = '值1' AND 字段2 = '值2') 举例: insert into tb_user ...
CREATE TABLEIFNOT EXISTS `tb_category2` ( `id` int(10) UNSIGNED NOTNULLAUTO_INCREMENT COMMENT '主键',`category_id` int(10) UNSIGNEDDEFAULTNULLCOMMENT '一级品类id',`ename` varchar(64) NOTNULLCOMMENT '英文名',`cname` varchar(64) NOTNULLCOMMENT '中文名',`seq` int(10) UNSIGNED NOTNULLCO...
Route::get('rawdb/test/delete2',function(){$id=request()->id;if($id<1){echo'参数错误';}\Illuminate\Support\Facades\DB::insert('delete from raw_test where id = :id',['id'=>$id]);echo'删除成功';}); 嗯,你猜对了,我们的执行成功了,使用 insert() 方法,但是里面的语句是一条 delet...
If you are using Cashier, you should upgrade your laravel/cashier package to the ~7.0 release. This release of Cashier only upgrades a few internal methods to be compatible with Laravel 5.3 and is not a breaking change.CollectionsKey / Value Order Change...
insert all your canvas endpoints here ]; foreach($routes as $route){ if ($request->is($route)) { return true; } } return false; } } Getting a QueryException when saving a User If you're using MySQL, you might get a QueryException when saving a user to the database with createOr...
As Laravel 9 has migrated from Flysystem 1.x to 3.x, this version is not compatible with Laravel 8 or earlier. If you're using the Watermark manipulation feature, make sure you upgrade spatie/image to v2. Upgrading to v7 The namespace has changed to ProtoneMedia\LaravelFFMpeg, the facade...
Insert, Update, DeleteTo create a new record in the database from a model, simply create a new model instance and call the save method.Saving A New Model$user = new User; $user->name = 'John'; $user->save();Typically, your Eloquent models will have auto-incrementing keys. However,...
insert();可以同时增加一条或多条,返回值是布尔类型; insertGetId(),只能增加一条数据,返回自增ID; ```php DB::table('无前缀表名')->insert(['name'=>'zhangsan','sex'=>0]);//单条数据; DB::table('无前缀表名')->insert([ ['name'=>'zhangsan','sex'=>0], ...