java支付路由规则代码实现

java支付路由规则代码实现
在Java中实现支付路由规则，通常涉及到解析支付请求，根据特定的规则（例如最低费率、服务可用性等）选择一个支付网关或服务。

下面是一个简单的例子，演示了如何实现这个过程。

假设我们有一个`PaymentGateway`接口，表示支付网关：
```java
public interface PaymentGateway {
String NAME = "Payment Gateway";
boolean isAvailable();
double getFeeRate();
void processPayment(PaymentRequest request);
}
```
然后，我们创建几个实现这个接口的类，表示不同的支付网关：
```java
public class PaymentGatewayA implements PaymentGateway { Override
public boolean isAvailable() {
return true;
}
Override
public double getFeeRate() {
return ; // 2% fee rate
}
Override
public void processPayment(PaymentRequest request) {
// Implement payment processing logic here
}
}
public class PaymentGatewayB implements PaymentGateway {
Override
public boolean isAvailable() {
return true;
}
Override
public double getFeeRate() {
return ; // % fee rate
}
Override
public void processPayment(PaymentRequest request) {
// Implement payment processing logic here
}
}
```
接下来，我们可以创建一个`PaymentRouter`类，实现支付路由规则：
```java
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