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public class PaymentService {
public boolean processPayment(String studentId, double amount) {
// 假设这里是数据库操作,检查学生是否存在并更新余额
if (checkStudentExists(studentId)) {
updateStudentBalance(studentId, amount);
return true;
}
return false;
}
private boolean checkStudentExists(String studentId) {
// 模拟查询数据库
return true; // 假设学生存在
}
private void updateStudentBalance(String studentId, double amount) {
// 更新学生账户余额
System.out.println("Updated balance for student " + studentId + " with amount: " + amount);
}
}
]]>
import requests
def pay_fee(student_id, amount):
url = 'http://schoolapi.com/payment'
payload = {'student_id': student_id, 'amount': amount}
response = requests.post(url, json=payload)
if response.status_code == 200:
print("Payment successful!")
else:
print("Payment failed.")
# 示例调用
pay_fee("S12345", 500.0)
]]>
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