<!-- 支付宝SDK -->

    <dependency>

      <groupId>com.alipay.sdk</groupId>

      <artifactId>alipay-sdk-java</artifactId>

      <version>3.7.4.ALL</version>

    </dependency>

/**

 * 支付宝支付配置文件

 */

public class AlipayConfig {

    // 1.商户创建应用后获取的appid

    public static String APPID = "********";

    // 2.应用私钥

    public static String PRIVATE_KEY ="*******";

    // 3.支付宝公钥

    public static String ALIPAY_PUBLIC_KEY = "******";

    // 4.回调接口全路径(支付完成异步通知)

    public static String notify_url = "https://******";

    // 5.页面跳转同步通知页面路径(支付完成后跳转的页面)

    public static String return_url = "https://******";

    // 6.请求支付宝的网关地址

    public static String URL = "https://openapi.alipay.com/gateway.do";

    // 7.编码

    public static String CHARSET = "UTF-8";

    // 8.返回格式

    public static String FORMAT = "json";

    // 9.加密类型

    public static String SIGNTYPE = "RSA2";

}

import com.aone.app.common.ali.pay.AlipayConfig;

import com.aone.app.service.AliH5PayService;

import javax.servlet.http.HttpServletRequest;

import java.util.HashMap;

import java.util.Map;

import com.alipay.api.AlipayClient;

import com.alipay.api.DefaultAlipayClient;

import com.alipay.api.request.AlipayTradeWapPayRequest;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

import org.springframework.stereotype.Service;

import org.springframework.util.StringUtils;

@Service

public class AliH5PayServiceImpl implements AliH5PayService {

    private static final Logger logger = LoggerFactory.getLogger("AliH5PayServiceImpl");

    //H5支付宝支付预下单(预下单)

    public Map<String, String> dounifiedOrder(String type, String out_trade_no, String money, HttpServletRequest request) throws Exception{

        Map<String, String> map=new HashMap<>();

        //获得初始化的AlipayClient

        AlipayClient alipayClient = new DefaultAlipayClient(AlipayConfig.URL, AlipayConfig.APPID,

                AlipayConfig.PRIVATE_KEY, AlipayConfig.FORMAT, AlipayConfig.CHARSET, AlipayConfig.ALIPAY_PUBLIC_KEY,

                AlipayConfig.SIGNTYPE);

        //设置请求参数passback_params

        String content = "{\"out_trade_no\":\""+ out_trade_no +"\","

                + "\"total_amount\":\""+ "0.01" +"\","

                + "\"subject\":\""+ "订单" +"\","

                + "\"timeout_express\":\""+ "30m" +"\","

                + "\"body\":\""+ "支付宝H5支付" +"\","

                + "\"passback_params\":\""+type +"\","

                + "\"product_code\":\""+"QUICK_WAP_WAY"+"\"}";

        AlipayTradeWapPayRequest alipayRequest = new AlipayTradeWapPayRequest();

        alipayRequest.setReturnUrl(AlipayConfig.return_url);

        alipayRequest.setNotifyUrl(AlipayConfig.notify_url);

        alipayRequest.setBizContent(content);

        //请求

        String result = alipayClient.pageExecute(alipayRequest).getBody();

        logger.error("result{}",request.toString());

        if(StringUtils.isEmpty(request)){

            map.put("code","201");

            map.put("msg","请求失败");

            map.put("result",null);

        }else{

            map.put("code","200");

            map.put("msg","请求成功");

            map.put("result",result);

        }

        return map;

    }

}

import com.aone.app.common.wx.XMLUtils;

import com.aone.app.service.AliH5PayService;

import io.swagger.annotations.Api;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

import org.springframework.beans.factory.annotation.Autowired;

import org.springframework.util.StringUtils;

import org.springframework.web.bind.annotation.*;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

import java.io.BufferedReader;

import java.util.HashMap;

import java.util.Map;

@RestController

@RequestMapping("h5pay")

@Api("H5支付")

public class PayH5Controller {

    private static final Logger log = LoggerFactory.getLogger("PayH5Controller");

    @Autowired

    private AliH5PayService aliH5PayService;

    /**

     * H5支付统一下单

     * @param request

     * @return

     * @throws Exception

     */

    @ResponseBody

    @RequestMapping(value = "wxPay")

    public Map<String, String> weixinPay(HttpServletRequest request) throws Exception{

        String  type= request.getParameter("type");

        String  orderNo= request.getParameter("orderNo");

        String  money= request.getParameter("money");

        return aliH5PayService.dounifiedOrder(type,orderNo,money,request);

    }

    /**

     * H5微信支付异步结果通知

     * @param request

     * @param response

     * @throws Exception

     */

    @RequestMapping(value = "notify")

    public void weixinPayNotify(HttpServletRequest request, HttpServletResponse response) throws Exception {

        BufferedReader reader = request.getReader();

        String line = "";

        Map map = new HashMap();

        String xml = "<xml><return_code><![CDATA[FAIL]]></xml>";;

        StringBuffer inputString = new StringBuffer();

        while ((line = reader.readLine()) != null) {

            inputString.append(line);

        }

        request.getReader().close();

        log.error("----接收到的报文---{}",inputString.toString());

        if(inputString.toString().length()>0){

            map = XMLUtils.parseXmlToList(inputString.toString());

        }else{

            log.error("接受微信报文为空");

        }

        log.error("map={}",map);

        if(map!=null && "SUCCESS".equals(map.get("result_code"))){

            //成功的业务。。。

            xml = "<xml><return_code><![CDATA[SUCCESS]]></return_code><return_msg><![CDATA[OK]]></return_msg></xml>";

            String type=map.get("attach").toString();

            String orderNo=map.get("out_trade_no").toString();

            log.error("订单号{}",map.get("out_trade_no"));log.error("其它必须参数{}",map.get("attach"));

            if(StringUtils.isEmpty(type)||StringUtils.isEmpty(orderNo)){

                log.error("当前参数类型异常");

            }else{

                //回调业务逻辑

            }

        }else{

            //失败的业务。。。

        }

        //告诉微信端已经确认支付成功

        response.getWriter().write(xml);

    }

}