paypal支付demo

package com.san.paypal.controller; import javax.servlet.http.HttpServletRequest; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RequestMethod; import org.springframework.web.bind.annotation.RequestParam; import com.san.paypal.config.PaypalPaymentIntent; import com.san.paypal.config.PaypalPaymentMethod; import com.san.paypal.service.PaypalService; import com.san.paypal.utils.URLUtil; import com.paypal.api.payments.Links; import com.paypal.api.payments.Payment; import com.paypal.base.rest.PayPalRESTException; /** * @author xsansan * @date 2018年9月12日 * Description: */ @Controller @RequestMapping("/") public class PaymentController { public static final String PAYPAL_SUCCESS_URL = "pay/success"; public static final String PAYPAL_CANCEL_URL = "pay/cancel"; private Logger log = LoggerFactory.getLogger(getClass()); @Autowired private PaypalService paypalService; @RequestMapping(method = RequestMethod.GET) public String index(){ return "index"; } @RequestMapping(method = RequestMethod.POST, value = "pay") public String pay(HttpServletRequest request) { String cancelUrl = URLUtil.getBaseURl(request) + "/" + PAYPAL_CANCEL_URL; String successUrl = URLUtil.getBaseURl(request) + "/" + PAYPAL_SUCCESS_URL; try { // Create payment Payment payment = paypalService.createPayment( 500.00, "USD", PaypalPaymentMethod.paypal, PaypalPaymentIntent.sale, "payment description", cancelUrl, successUrl); System.out.println("createPayment=" + payment); for(Links links : payment.getLinks()){ if(links.getRel().equalsIgnoreCase("approval_url")) { return "redirect:" + links.getHref(); } } } catch (PayPalRESTException e) { log.error(e.getMessage()); System.out.println(e.getDetails()); } return "redirect:/"; } @RequestMapping(method = RequestMethod.GET, value = PAYPAL_CANCEL_URL) public String cancelPay() { return "cancel"; } @RequestMapping(method = RequestMethod.GET, value = PAYPAL_SUCCESS_URL) public String successPay(@RequestParam("paymentId") String paymentId, @RequestParam("PayerID") String payerId) { try { System.out.println("paymentId=" + paymentId + ",payerId=" + payerId); Payment payment = paypalService.executePayment(paymentId, payerId); System.out.println("payment" + payment); if(payment.getState().equals("approved")) { return "success"; } } catch (PayPalRESTException e) { log.error(e.getMessage()); System.out.println(e.getDetails()); } return "redirect:/"; } }