python
from alipay import AliPay
alipay = AliPay(
app_id="your_app_id",
app_notify_url="https://www.example.com/notify",
app_private_key_path="your_app_private_key.pem",
alipay_public_key_path="alipay_public_key.pem",
sign_type="RSA2"
)
order_string = alipay.api_alipay_trade_page_pay(
out_trade_no="your_order_id",
total_amount="100.00",
subject="Your Order",
return_url="https://www.example.com/return"
)
gateway_url = alipay.gateway + "?" + order_string
print(gateway_url)
