pip install python-alipay-sdk python from alipay.aop.api.DefaultAlipayClient import DefaultAlipayClient from alipay.aop.api.AlipayTradeAppPayRequest import AlipayTradeAppPayRequest python alipay_client = DefaultAlipayClient( gateway='https://openapi.alipay.com/gateway.do', appid=app_id, app_private_key_string=app_private_key, alipay_public_key_string=alipay_public_key, sign_type='RSA2' ) python def generate_payment_link(out_trade_no, total_amount, subject): trade_pay_request = AlipayTradeAppPayRequest() return alipay_client.sdkExecute(trade_pay_request) python python from alipay.aop.api.DefaultAlipayClient import DefaultAlipayClient from alipay.aop.api.AlipayTradeAppPayRequest import AlipayTradeAppPayRequest def generate_payment_link(out_trade_no, total_amount, subject): alipay_client = DefaultAlipayClient( gateway='https://openapi.alipay.com/gateway.do', appid=app_id, app_private_key_string=app_private_key, alipay_public_key_string=alipay_public_key, sign_type='RSA2' ) trade_pay_request = AlipayTradeAppPayRequest() return alipay_client.sdkExecute(trade_pay_request) print(link)