现在我们可以在验证规则中使用自定义规则UniqueTwoColumns。以下是使用自定义规则验证两列唯一性的示例: $request->validate(['column1_name'=>['string','required',new\App\Rules\UniqueTwoColumns('table_name','column1_name','column2_name')],'column2_name'=>['string','required'],]); ...
0 Unique two columns in laravel 0 Laravel Validate if there is already a record with similar combination of two columns 0 how to make validation for two columns 0 Laravel validation on array with two fields exists on a database row 1 Laravel validation on two columns 0 Laravel Vali...
Laravel 文档写的很好,只是新手看起来会有点吃力,需要结合经验和网上的文章,多读、细读才能更好的理解。Again,多读、细读官方文档。本文类似于一个大纲,欲知其中详情,且去细读官方文档:Laravel 5.5 docs。### ### ###
For example, a blog Post and Video model could share a polymorphic relation to a Tag model. Using a many-to-many polymorphic relation allows you to have a single list of unique tags that are shared across blog posts and videos. First, let's examine the table structure:...
// Add an index... $table->bigIncrements('id')->primary()->change(); // Drop an index... $table->char('postal_code', 10)->unique(false)->change();Renaming ColumnsTo rename a column, you may use the renameColumn method provided by the schema builder:...
$table->unique('email'); You may even pass an array of columns to an index method to create a compound index: 你更可以传入一个字段的数组到index方法来创建一个复杂索引 $table->index(['account_id','created_at']); 可以使用的索引类型 ...
注意在这里我们使用了laravel5提供的route model binding特性,我们在控制器中使用Task类typehinting了task参数,而该task参数,而该task参数和routes.php中定义的wildcast路由Route::get('tasks/{task}','xxx'}定义的task相匹配,因此laravel在调用我们的控制器时自动注入Task模型(以id为索引)。这个功能后续再做进一步的...
You can use laravel validation if you want to insert a unique record:$validated = $request->validate([ 'title' => 'required|unique:usersTable,emailAddress|max:255', ]); But also you can use these ways:1:if (User::where('email', $request->email)->exists()) { // object exists }...
In last version of laravel im using two models: contact document, which belongsTo contact by contact_id field For order by relation field (for example last_name) im using (may be isnt correct , but not anything about it in documentation)...
One of the most common ways to log a user into your app is by using a redirect URL. The idea is that you generate a unique URL that the user clicks on. Once the user clicks the link they will be redirected to Facebook asking them to grant any permissions your app is requesting. On...