Stripe Payments & SaaS Billing Systems · 课时

支持多种货币与定价

为产品和订阅实现多币种支持，让客户能够使用本地货币支付。

第 1 / 4 课11 个步骤

支持多种货币与定价 是 CoddyKit 上的免费 Stripe Payments & SaaS Billing Systems 课时。这是第 1 节课，共 4 节。你可以在下方免费阅读本课时的完整内容 — 然后在浏览器中使用内置代码编辑器和全天候 AI 导师进行实践。这是 Stripe Payments & SaaS Billing Systems 学习路径的一部分，你的进度在网页和 CoddyKit 应用中同步。 Stripe Payments & SaaS Billing Systems 课程共包含 4 节课。

本课时的部分内容尚未翻译，以英文显示。

Go Global with Multi-Currency

Expanding your business globally often means supporting customers from different countries. A key part of this is offering prices in their local currency.

This makes purchasing more straightforward and builds trust, as customers see prices they understand without needing to calculate conversions.

Stripe's Multi-Currency Support

Stripe is built for global businesses and supports processing payments in over 135 currencies. You have two main ways to handle currencies:

Specific Currencies: Define prices directly in a particular currency (e.g., $10 USD or €9 EUR).
Dynamic Conversion: Let Stripe convert funds if a customer pays in a currency different from your product's defined currency.

Defining Prices in Specific Currencies

The most common approach is to create separate Price objects for each currency you want to support. This allows you to set precise amounts for each market, accounting for local pricing strategies or exchange rate fluctuations.

Each price will be linked to a product, but will have its own currency and unit_amount.

Creating a Price in EUR

Here's a simplified example of how you might create a Stripe Price object for a 'Basic Plan' specifically in Euros (€). In a real application, you'd use the Stripe API client library.

public class Main {
  public static void main(String[] args) {
    System.out.println("Simulating Stripe Price Creation...");
    String productName = "Basic Plan";
    long amount = 1000; // 10.00 EUR
    String currency = "eur";

    // In a real app, you'd use the Stripe Java client library:
    // PriceCreateParams params = PriceCreateParams.builder()
    //     .setUnitAmount(amount)
    //     .setCurrency(currency)
    //     .setProductData(PriceCreateParams.ProductData.builder()
    //         .setName(productName).build())
    //     .build();
    // Price price = Price.create(params);

    System.out.println("Created price for " + productName);
    System.out.println("Amount: " + (double)amount / 100 + " " + currency.toUpperCase());
    System.out.println("Simulated Price ID: price_123EUR");
  }
}

Understanding `currency_options`

For more advanced scenarios, Stripe allows you to define a single Price object with multiple currency options. This is useful when you want to manage a single 'logical' price but offer different exact amounts per currency.

For example, a 'Premium Plan' might cost $20 USD or €18 EUR, all managed under one price ID.

Price with Multiple Currency Options

This simulated example shows how you might set up a price where the default currency is USD, but you also provide a specific amount for EUR. Notice how currency_options is used.

import java.util.HashMap;
import java.util.Map;

public class Main {
  public static void main(String[] args) {
    System.out.println("Simulating Price with Currency Options...");
    String productName = "Premium Plan";

    // In a real app, use the Stripe Java client library:
    // Map<String, Object> usdOptions = new HashMap<>();
    // usdOptions.put("unit_amount", 2000L); // $20.00 USD

    // Map<String, Object> eurOptions = new HashMap<>();
    // eurOptions.put("unit_amount", 1800L); // €18.00 EUR

    // Map<String, Map<String, Object>> currencyOptions = new HashMap<>();
    // currencyOptions.put("usd", usdOptions);
    // currencyOptions.put("eur", eurOptions);

    // PriceCreateParams params = PriceCreateParams.builder()
    //     .setCurrency("usd") // This is the 'base' currency
    //     .setUnitAmount(2000L) // Base amount
    //     .setProductData(PriceCreateParams.ProductData.builder()
    //         .setName(productName).build())
    //     .putAllCurrencyOptions(currencyOptions)
    //     .build();
    // Price price = Price.create(params);

    System.out.println("Created price for " + productName);
    System.out.println("Default (USD): $20.00");
    System.out.println("Option (EUR): €18.00");
    System.out.println("Simulated Price ID: price_456MULTI");
  }
}

Displaying Multi-Currency Prices

On your website or application, you'll need to present the correct currency option to your users. This often involves:

Geolocation: Detecting the user's IP address to infer their country and preferred currency.
User Choice: Providing a currency selector dropdown.
Browser Settings: Checking the user's browser language or locale settings.

Once selected, you'll use the corresponding Stripe Price ID (or the correct currency option within a Price ID) for the transaction.

Checkout Session in Local Currency

When a customer is ready to pay, you create a Stripe Checkout Session. It's crucial that you use the Price ID that corresponds to the currency the customer has selected or that you've determined for them.

This ensures they are charged the correct amount in their local currency.

public class Main {
  public static void main(String[] args) {
    System.out.println("Simulating Stripe Checkout Session...");
    String selectedPriceId = "price_123EUR"; // From Scene 4
    String successUrl = "https://example.com/success";
    String cancelUrl = "https://example.com/cancel";
    String customerEmail = "customer@example.com";

    // In a real app, use the Stripe Java client library:
    // SessionCreateParams params = SessionCreateParams.builder()
    //     .setMode(SessionCreateParams.Mode.PAYMENT)
    //     .addLineItem(
    //         SessionCreateParams.LineItem.builder()
    //             .setPrice(selectedPriceId)
    //             .setQuantity(1L)
    //             .build())
    //     .setSuccessUrl(successUrl)
    //     .setCancelUrl(cancelUrl)
    //     .setCustomerEmail(customerEmail)
    //     .build();
    // Session session = Session.create(params);

    System.out.println("Creating Checkout Session for Price ID: " + selectedPriceId);
    System.out.println("Customer Email: " + customerEmail);
    System.out.println("Simulated Checkout URL: https://checkout.stripe.com/pay/cs_live_123_abc");
  }
}

Currency Conversion Considerations

Even with multi-currency pricing, you might encounter currency conversions if your payout currency (the currency Stripe sends money to your bank account in) differs from the customer's payment currency.

Implicit Conversion: Stripe automatically converts funds at a market rate if needed.
Explicit Pricing: Defining prices in local currencies minimizes implicit conversions and offers better control over your revenue.

Be aware of any fees associated with conversions.

Multi-Currency Benefits

Why is it beneficial to offer multi-currency pricing for your products and subscriptions?

在交互式课程中回答

Recap: Global Pricing Power

You've learned how to implement multi-currency support in Stripe!

We explored creating specific prices per currency.
We saw how to use currency_options for flexible pricing.
You understand how to integrate these into Checkout Sessions.
We touched on currency conversion considerations.

By offering local currency options, you make your service more appealing and accessible to a global audience, paving the way for international growth.

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常见问题解答

「支持多种货币与定价」课时是免费的吗？

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「支持多种货币与定价」这节课中我会学到什么？

为产品和订阅实现多币种支持，让客户能够使用本地货币支付。你通过在浏览器中直接运行的动手代码来练习 Stripe Payments & SaaS Billing Systems，全天候 AI 导师会在你学习这节课的过程中回答你的问题。

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「支持多种货币与定价」课时需要多长时间？

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