unique verification Laravel Request class essays troubleshooting tips

public function rules()
{
	// $this->route('category')可以得到路由注入的模型,并可以从中取得相关字段
    $id = $this->route('category') ? $this->route('category')->id : 0;
    return [
    	// unique:categories表示操作哪个表
    	// name表示操作表字段
    	// $id表示排除哪个ID的数据
        'name' => 'required|unique:categories,name,'.$id,
    ];
}
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Origin blog.csdn.net/qj4865/article/details/104465738