//调用支付public void toPay() {String orderid = getRequest().getParameter("id");if (StringUtils.isBlank(orderid)) {throw new NullPointerException();}Order order = orderService.selectById(orderid);if (order == null) {throw new NullPointerException("根据订单号查询不到订单信息！");}Ordership ordership = ordershipService.selectOne(new Ordership(orderid));if (ordership == null) {throw new NullPointerException("根据订单号查询不到配送信息！");}ArrayNode goods_detail = JsonUtils.createArrayNode();// 商品详情设置(json格式-非必须参数，根据业务逻辑处理)String out_trade_no = order.getPayNo();//支付编号（订单编号-必须唯一）double total_amount = 0.01;//订单金额
        String subject = "订单标题";//订单描述
        AlipayTradePrecreateResponse resp = aliPayService.aliPay(out_trade_no, total_amount, subject, goods_detail);// 订单编号--订单金额--订单描述--商品明细（无 ）if ("10000".equals(resp.getCode())) {//若请求成功，则进行逻辑处理String qr_code = resp.getQrCode();/*** 生成二维码*/// 支付宝返回Code(url)--用户account--订单--id（拼二维码地址而已）AttachmentEntity attachmentEntity = this.creatPayCode(qr_code, account, out_trade_no);if (attachmentEntity == null) {throw new NullPointerException("订单生成失败！OrdersAction--toPay");} else {// 返回二维码地址
                getOut().println(attachmentEntity.getAtt_path());}} else {throw new NullPointerException("二维码生成失败！OrdersAction--toPay");}}

   public AlipayTradePrecreateResponse aliPay(String out_trade_no, double total_amount,String subject, ArrayNode goods_detail) {/*** 创建Json对象 封装信息*/ObjectNode biz_content = JsonUtils.createObjectNode();biz_content.put("out_trade_no", out_trade_no); //订单号biz_content.put("total_amount", total_amount); //订单总金额biz_content.put("subject", subject); //订单标题biz_content.put("timeout_express", "5m"); //该笔订单允许的最晚付款时间，逾期将关闭交易
     AlipayTradePrecreateResponse response = null;//请求支付接口对象  //参数//1.请求网址 2.自己所注册的应用id(支付宝分配给开发者的应用ID) 3.私钥 4.json 5.字符编码集 6.公钥//实例化客户端AlipayClient alipayClient = new DefaultAlipayClient(request_url, app_id, private_key, "json", charset,public_key);//实例化具体API对应的request类,类名称和接口名称对应AlipayTradePrecreateRequest request = new AlipayTradePrecreateRequest();request.setBizContent(biz_content.toString());try {response = alipayClient.execute(request);} catch (AlipayApiException ex) {log.error(ex.getMessage());} return response;}

//生成二维码
private AttachmentEntity creatPayCode(String url, String user_id, String order_id) {String serverClassPath = Thread.currentThread().getContextClassLoader().getResource("").getPath();String logo_path = serverClassPath + "config/logo.png";String uploadPath = "payForUser/" + user_id + "/order/" + order_id + "/" + "payCode";String attName = "payCode.jpg";// 定义原图的名称BufferedImage barCode = BarCodeService.createImage(url, logo_path);ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();try {ImageOutputStream imageOutputStream = ImageIO.createImageOutputStream(byteArrayOutputStream);ImageIO.write(barCode, "jpg", imageOutputStream);} catch (IOException iOException) {iOException.printStackTrace();}InputStream inputStream = new ByteArrayInputStream(byteArrayOutputStream.toByteArray());String barCode_url = ossService.uploadFile(uploadPath, inputStream, attName);//将二维码文件上传阿里云（可自主处理）AttachmentEntity attachmentEntity = new AttachmentEntity();attachmentEntity.setAtt_name(attName);attachmentEntity.setAtt_path(barCode_url);attachmentEntity.setMoudel_name("payCode");attachmentEntity.setAtt_type("jpg");attachmentEntity.setUpload_time(DateUtils.getSystemDate());attachmentEntity.setDownload_count(0);attachmentEntity.setGid(DataUtils.getUUID());attachmentEntity.setIs_compress(0);attachmentEntity.setEntity_id(order_id);return attachmentEntity;}

    public String isPay() {AlipayTradeQueryResponse alipayTradeQueryResponse = aliPayService.aliQuery(order.getPayNo());//订单编号if (alipayTradeQueryResponse.isSuccess()) {//若查询状态为successif ("10000".equals(alipayTradeQueryResponse.getCode())) {String Body = alipayTradeQueryResponse.getBody();String out_trade_no = alipayTradeQueryResponse.getOutTradeNo();// 支付编号
ObjectNode objectNode = (ObjectNode) JsonUtils.stringToJsonObject(Body).get("alipay_trade_query_response");String trade_status = objectNode.get("trade_status").textValue();// 支付状态if (trade_status != null && "TRADE_SUCCESS".equals(trade_status)) {String trade_no = objectNode.get("trade_no").textValue();//支付宝交易号//支付记录创建orderService.createPayInfo(order,trade_no,orderpay.orderpay_paystatus_y,orderpay.orderpay_paymethod_alipayescow,"");//订单--支付宝交易号-支付状态-支付类型orderService.orderStutasChange(orderId);// 修改订单状态getOut().print("000000");return null;}else if (trade_status != null && "TRADE_CLOSED".equals(trade_status)) {//二维码失效String trade_no = objectNode.get("trade_no").textValue();//支付宝交易号//修改订单支付编号。重新生成二维码String orderId=out_trade_no.substring(0, out_trade_no.length()-13);e.setId(orderId);String payNo=orderId+new Date().getTime();e.setPayNo(payNo);orderService.update(e);                getOut().print("000001");return null;}}}return null;}