<dependency>
  <groupId>net.guerlab</groupId>
  <artifactId>sdk-alipay-starter</artifactId>
  <version>1.0.3</version>
</dependency>

sdk:
 alipay:
  dev: true/false #默认false,为true表示使用沙箱环境
  sign-type: RSA2 #签名算法
  app-id: #应用ID
  private-key: #应用私钥
  alipay-public-key: #支付宝公钥

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import com.alibaba.fastjson.JSONObject;
import com.alipay.api.AlipayClient;
import com.alipay.api.request.AlipayTradeAppPayRequest;
import com.alipay.api.request.AlipayTradePagePayRequest;
import com.alipay.api.request.AlipayTradeWapPayRequest;
import net.guerlab.sdk.alipay.controller.AlipayAbstractController;
@RequestMapping("/pay/alipay")
public class AlipayController extends AlipayAbstractController {
  @Autowired
  private AlipayClient client;//支付宝请求sdk客户端
  /**
   * 支付请求
   */
  @GetMapping("/app/{orderId}")
  public String app(
      @PathVariable Long orderId,
      HttpServletResponse httpResponse) {
    JSONObject data = new JSONObject();
    data.put("out_trade_no", "201701010000001234"); //商户订单号
    data.put("product_code", "QUICK_MSECURITY_PAY"); //产品码, APP支付 QUICK_MSECURITY_PAY, PC支付 FAST_INSTANT_TRADE_PAY, 移动H5支付 QUICK_WAP_PAY
    data.put("total_amount", "0.01"); //订单金额
    data.put("subject", "测试订单"); //订单标题
    //APP支付
    AlipayTradeAppPayRequest request = new AlipayTradeAppPayRequest();
    //PC支付
    //AlipayTradePagePayRequest request = new AlipayTradePagePayRequest();
    //移动H5支付
    //AlipayTradeWapPayRequest request = new AlipayTradeWapPayRequest();
    request.setNotifyUrl("http://demo/pay/alipay/notify/1"); //异步通知地址
    request.setBizContent(data.toJSONString()); //业务参数
    return client.sdkExecute(request).getBody();
  }
  @PostMapping("/notify/{orderId}")
  public String notify(
      @PathVariable Long orderId,
      HttpServletRequest request) {
    if (!notify0(request.getParameterMap())) {
      //这里处理验签失败
    }
    request.getParameter("trade_no");//获取请求参数中的商户订单号
    return "success";
  }
}