golang 设计模式 strategy_test 代码实现
package strategy
func ExamplePayByCash() {
payment := NewPayment("Ada", "", 123, &Cash{})
payment.Pay()
/ Output:
/ Pay $123 to Ada by cash
}
func ExamplePayByBank() {
payment := NewPayment("Bob", "0002", 888, &Bank{})
payment.Pay()
/ Output:
/ Pay $888 to Bob by bank account 0002
}