swift - 在应用内购买多个产品

Question

我正在设置一个订阅应用，我想有 2 个选项:2 个月和 1 年。这是我目前使用的适用于 2 个月购买的代码。我如何修改它以同时拥有两者？

func productsRequest(request: SKProductsRequest!, didReceiveResponse response: SKProductsResponse!) {
    let products = response.products
    if products.count != 0 {
        product = products[0] as! SKProduct
    }
}



func getProductInfo() {
        if SKPaymentQueue.canMakePayments() {
            let productID : NSSet = NSSet(object: "2MonthPrem")
            let request : SKProductsRequest = SKProductsRequest(productIdentifiers: productID as Set<NSObject>)
            request.delegate = self
            request.start()
    }
}

第二个函数出现问题:getProductInfo()。如何添加第二个产品 ID？我尝试了以下方法:

        if SKPaymentQueue.canMakePayments() {
            let productID : NSSet = NSSet(object: "2MonthPrem")
            let productIDTwo : NSSet = NSSet(object: "1YearPrem")
            let request : SKProductsRequest = SKProductsRequest(productIdentifiers: [productID, productIDTwo] as Set<NSObject>)
            request.delegate = self
            request.start()
    }

Answer 1

let productID : NSSet = NSSet(array: ["2MonthPrem", "1YearPrem"])

这行得通，但是当您从 Apple 调用它时，它会将它们按字母顺序排列。因此，请确保在返回函数中测试每个数组索引。