支付宝APP支付（IOS手机端+java后台）版

<!-- 支付宝支付依赖 --><dependency> <groupId>com.pentahohub.nexus</groupId> <artifactId>alipay-sdk-java</artifactId> <version>20170615110434</version> <scope>system</scope> <systemPath>${basedir}/libs/alipay-sdk-java20170615110434.jar</systemPath></dependency><dependency> <groupId>commons-logging</groupId> <artifactId>commons-logging</artifactId> <version>1.1.1</version></dependency>

/*** account 总金额* sid 用户id* desc 节点id* @param request* @return*/@RequestMapping(value="/pay/alipay/signprams",produces="application/json;charset=utf-8")@ResponseBodypublic String signprams(HttpServletRequest request){String res = "{code:404}";try{ String totalAmount = request.getParameter("account"); String sid = request.getParameter("sid"); String nid = request.getParameter("desc"); String subject = "电费充值"; String body = "贵大电费预付费充值"; String prefix = "ALE"+sid+"E"; String out_trade_no = WXRequestUtil.getTradeNo(prefix);  //实例化客户端 AlipayClient alipayClient = new DefaultAlipayClient("https://openapi.alipay.com/gateway.do ", AlipayUtil.APPID, AlipayUtil.PRIVATE_KEY, "json", AlipayUtil.CHARSET, AlipayUtil.PUBLIC_KEY, "RSA2"); //实例化具体API对应的request类,类名称和接口名称对应,当前调用接口名称：alipay.trade.app.pay AlipayTradeAppPayRequest alirequest = new AlipayTradeAppPayRequest(); //SDK已经封装掉了公共参数，这里只需要传入业务参数。以下方法为sdk的model入参方式(model和biz_content同时存在的情况下取biz_content)。 AlipayTradeAppPayModel model = new AlipayTradeAppPayModel(); model.setPassbackParams(URLEncoder.encode(body.toString()));; //描述信息 添加附加数据 model.setSubject(subject); //商品标题 model.setOutTradeNo(out_trade_no); //商家订单编号 model.setTimeoutExpress("30m"); //超时关闭该订单时间 model.setTotalAmount(totalAmount); //订单总金额 model.setProductCode("QUICK_MSECURITY_PAY"); //销售产品码，商家和支付宝签约的产品码，为固定值QUICK_MSECURITY_PAY alirequest.setBizModel(model); alirequest.setNotifyUrl("http://pay.gzdxfszx.com/pay/alipay/notify.xs "); //回调地址 String orderStr = ""; try { //这里和普通的接口调用不同，使用的是sdkExecute AlipayTradeAppPayResponse response = alipayClient.sdkExecute(alirequest); orderStr = response.getBody();//  System.out.println(orderStr);//就是orderString 可以直接给客户端请求，无需再做处理。 } catch (AlipayApiException e) { e.printStackTrace(); }  String sign = MD5Encode.encode(out_trade_no); savePayLog(out_trade_no,totalAmount,sid,body, sign,nid,1);  JSONObject resObj = new JSONObject(); resObj.put("code",ResponseCode.HTTP_SUCCESS); resObj.put("out_trade_no",out_trade_no); resObj.put("sign",sign); resObj.put("orderStr",orderStr);  res = resObj.toJSONString();}catch (Exception e){ e.printStackTrace();}return res;}

@RequestMapping(value="/pay/alipay/notify",produces="application/json;charset=utf-8") @ResponseBody public String notify(HttpServletRequest request){ Map requestParams = request.getParameterMap(); System.out.println("支付宝支付结果通知"+requestParams.toString()); //获取支付宝POST过来反馈信息 Map<String,String> params = new HashMap<String,String>();  for (Iterator iter = requestParams.keySet().iterator(); iter.hasNext();) {  String name = (String) iter.next();  String[] values = (String[]) requestParams.get(name);  String valueStr = "";  for (int i = 0; i < values.length; i++) {  valueStr = (i == values.length - 1) ? valueStr + values[i]   : valueStr + values[i] + ",";  }  //乱码解决，这段代码在出现乱码时使用。  //valueStr = new String(valueStr.getBytes("ISO-8859-1"), "utf-8");  params.put(name, valueStr); } //切记alipaypublickey是支付宝的公钥，请去open.alipay.com  对应应用下查看。 //boolean AlipaySignature.rsaCheckV1(Map<String, String> params, String publicKey, String charset, String sign_type) try {  //验证签名  boolean flag = AlipaySignature.rsaCheckV1(params, AlipayUtil.PUBLIC_KEY, AlipayUtil.CHARSET, "RSA2");  if(flag){  if("TRADE_SUCCESS".equals(params.get("trade_status"))){//   //付款金额//   String amount = params.get("buyer_pay_amount");//   //支付宝交易号//   String trade_no = params.get("trade_no");//   //附加数据//   String passback_params = URLDecoder.decode(params.get("passback_params"));    //商户订单号   String out_trade_no = params.get("out_trade_no");   updateOrderInfo(out_trade_no,MD5Encode.encode(out_trade_no));  }  } } catch (AlipayApiException e) {  // TODO Auto-generated catch block  e.printStackTrace(); } return "success"; }

-(void)aliPay{ [MBProgressHUD showMessage:@"跳转中，请稍候"]; NSString *appScheme = @"alisdkdemo";  NSString *userUrlStr = [NSString stringWithFormat:@"%@?sid=%@&account=%@&desc=%@", ALI_PREPAY_URL, self.student.sid,self.payJinE,self.student.nid]; NSURL *url = [NSURL URLWithString:userUrlStr]; // NSLog(@"userUrlStr = %@", userUrlStr);  NSURLRequest *request = [NSURLRequest requestWithURL:url]; AFHTTPRequestOperation *operation = [[AFHTTPRequestOperation alloc]initWithRequest:request];  [operation setCompletionBlockWithSuccess:^(AFHTTPRequestOperation *operation, NSDictionary *responseObject) { [MBProgressHUD hideHUD]; //   NSLog(@"支付宝支付的response = %@", operation.responseString); NSData *JSONData = [operation.responseString dataUsingEncoding:NSUTF8StringEncoding]; NSDictionary *userDict = [NSJSONSerialization JSONObjectWithData:JSONData options:NSJSONReadingMutableLeaves error:nil];  NSString *orderString = [userDict objectForKey:@"orderStr"]; self.sign = [userDict objectForKey:@"sign"]; self.ordnum = [userDict objectForKey:@"out_trade_no"];  [[AlipaySDK defaultService] payOrder:orderString fromScheme:appScheme callback:^(NSDictionary *resultDic) {  NSLog(@"reslut = %@",resultDic);  [MBProgressHUD hideHUD];    NSString *resultStatus = [resultDic objectForKey:@"resultStatus"];  if([resultStatus isEqualToString:@"9000"]){  // 支付成功，更新用户信息  [self payDidFinish];  }else{  // 支付失败，  [self setupAlertControllerWithTitle:@"支付宝支付结果" messge:@"本次支付未完成，您可以稍后重试！" confirm:@"好的"];  }   }]; }failure:^(AFHTTPRequestOperation *operation, NSError *error) { [MBProgressHUD hideHUD]; NSLog(@"发生错误！%@",error); }]; NSOperationQueue *queue = [[NSOperationQueue alloc] init]; [queue addOperation:operation];   }