Laravel：如何在相关模型中添加复合键（2 列或更多列）作为 $primaryKey？
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Laravel: How to add a composite key (2 or more columns) as the $primaryKey in the related model?
提问by Amr
Name of the primary key column in any model in Laravel framework is id
Laravel 框架中任何模型的主键列的名称是 id
protected $primaryKey = 'id';
And I know I can change that default name like this:
而且我知道我可以像这样更改默认名称：
protected $primaryKey = 'new_name';
My question is: What if I have a composite key (2 or more columns) in the table, how do I add them as the $primaryKey? And do I really have to define them?
我的问题是：如果我在表中有一个复合键（2 列或更多列），我该如何将它们添加为$primaryKey? 我真的必须定义它们吗？
回答by Michael Lawton
From the Laravel docs:
来自Laravel 文档：
$table->primary(array('first', 'last'));
Edit: I misunderstood the question. This thread might provide some answers: http://forumsarchive.laravel.io/viewtopic.php?pid=34475
编辑：我误解了这个问题。这个线程可能会提供一些答案：http: //forumsarchive.laravel.io/viewtopic.php?pid=34475
Specifically overriding the find()method.
具体覆盖该find()方法。
public static function find($primaryOne, $PrimaryTwo) {
return Widget::where('primaryOne', '=', $primaryOne)
->where('PrimaryTwo', '=', $PrimaryTwo)
->first();
}
