好的,我有以下ER图表显示我在DB中的关系:
我愿意在制作
zips
时生成User
。 Order
可以包含多个Order
,Products
也按Orders
分组,因此我可以为用户包含相同顺序的所有产品。我试图将它们全部保存,但我得到了transaction_id
。我已设法保存用户,也将产品和用户的订单链接起来,但我仍然无法弄清楚如何保存与订单链接的transaction_id。
这些是我的迁移:
Field 'transaction_id' doesn't have a default value
我的模特:
用户模型:
Schema::create('orders', function (Blueprint $table) {
$table->increments('id');
$table->integer('user_id')->unsigned()->index()->nullable();
$table->foreign('user_id')->references('id')->on('users');
$table->integer('transaction_id')->unsigned();
$table->foreign('transaction_id')->references('id')->on('transactions');
$table->timestamps();
Schema::create('order_product', function (Blueprint $table) {
$table->integer('order_id')->unsigned()->index();
$table->foreign('order_id')->references('id')->on('orders')->onDelete('cascade');
$table->integer('product_id')->unsigned()->index();
$table->foreign('product_id')->references('id')->on('products')->onDelete('cascade');
$table->integer('quantity')->unsigned();
$table->timestamps();
});
Schema::create('products', function (Blueprint $table) {
$table->increments('id');
$table->string('name');
$table->float('price',8,2);
$table->timestamps();
});
Schema::create('transactions', function (Blueprint $table) {
$table->increments('id');
$table->enum('status',['open','closed']);
$table->timestamps();
});
订单型号:
public function orders() {return $this->hasMany(Order::class);}
交易模型:
public function user()
{
return $this->belongsTo(User::class);
}
public function products()
{
return $this->belongsToMany(Product::class)
->withPivot('quantity')
->withTimestamps();
}
public function transaction()
{
return $this->belongsTo(Transaction::class);
}
这就是我试图保存它们的方式:
public function orders() {return $this->hasMany(Order::class);}
P.S。对不起,很长的帖子,我没有想法。
答案 0 :(得分:1)
使用此:
$order = new Order();
$order->user_id = $user->id;
$order->transaction_id = $transaction->id;
$order->save();