1 /**
 2      * 创建请求支付宝的URL
 3      * @param paygateway 支付宝连接
 4      * @param service 支付宝服务接口
 5      * @param sign_type 签名方式(加密类型)
 6      * @param out_trade_no 境外商户交易号
 7      * @param input_charset 编码
 8      * @param partner 境外商户支付宝ID
 9      * @param key
10      * @param body 描述
11      * @param total_fee 交易金额
12      * @param currency 币种
13      * @param subject 商品名称
14      * @param notify_url支付成功的回调路径   个人觉得notify_url与return_url都相差无几
15      * @param return_url支付成功的回调路径
16      * @return
17      */
18     public static String createUrl(String paygateway, String service, String sign_type,
19             String out_trade_no,String input_charset,
20             String partner,String key,
21             String body, String total_fee, String currency,
22             String subject ,String notify_url,
23             String return_url) {
24
25         Map<String,Object> params = new HashMap<String,Object>();
26         params.put("service", service);
27         params.put("partner", partner);
28         params.put("subject", subject);
29         params.put("body", body);
30         params.put("out_trade_no", out_trade_no);
31         params.put("rmb_fee", total_fee);//表示商品的标价是人民币,具体参考pdf
32 //        params.put("total_fee", total_fee);
33         params.put("currency",currency);
34         params.put("return_url", return_url);//这两个url是需要外网能够访问的
35         params.put("notify_url", notify_url);//需要外网能够访问的
36         params.put("_input_charset", input_charset);
37
38         String prestr = "";
39
40         prestr = prestr + key;
41         //System.out.println("prestr=" + prestr);
42
43         String sign = DigestUtils.md5Hex(getContent(params, key));//生成签名
44         String parameter = "";
45         parameter = parameter + paygateway;
46
47         List<Object> keys = new ArrayList<Object>(params.keySet());
48         for (int i = 0; i < keys.size(); i++) {
49             try {
50                 parameter = parameter + keys.get(i) + "="
51                             + URLEncoder.encode((String) params.get(keys.get(i)), input_charset) + "&";
52             } catch (UnsupportedEncodingException e) {
53
54                 e.printStackTrace();
55             }
56         }
57
58         parameter = parameter + "sign=" + sign + "&sign_type=" + sign_type;
59
60         return parameter;
61
62     }

 1  /**
 2      * 把集合拼接成请求参数
 3      * @param params 请求参数集合
 4      * @param privateKey 公司key
 5      * @return
 6      */
 7     private static String getContent(Map params, String privateKey) {
 8         List keys = new ArrayList(params.keySet());
 9         Collections.sort(keys);
10
11         String prestr = "";
12
13         for (int i = 0; i < keys.size(); i++) {
14             String key = (String) keys.get(i);
15             String value = (String) params.get(key);
16
17             if (i == keys.size() - 1) {
18                 prestr = prestr + key + "=" + value;
19             } else {
20                 prestr = prestr + key + "=" + value + "&";
21             }
22         }
23 //        String p = prestr + privateKe+"&forex_biz=\"FP\"";
24         String p = prestr+privateKey;
25         System.out.println(p);
26         return p;
27     }

public ModelAndView payResult(HttpServletRequest request){ModelAndView model = new ModelAndView();Map<String,String> params = new HashMap<String,String>();@SuppressWarnings("rawtypes")Map requestParams = request.getParameterMap();for (@SuppressWarnings("rawtypes")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] + ",";try {valueStr = new String(valueStr.getBytes("ISO-8859-1"), "utf-8");} catch (UnsupportedEncodingException e) {// TODO Auto-generated catch block
                    e.printStackTrace();}}params.put(name, valueStr);}//乱码解决，这段代码在出现乱码时使用。如果mysign和sign不相等也可以使用这段代码转化try {//获取支付宝的通知返回参数，可参考技术文档中页面跳转同步通知参数列表(以下仅供参考)////订单外币金额String total_fee = new String(request.getParameter("total_fee").getBytes("ISO-8859-1"),"UTF-8");//清算币种String currency = new String(request.getParameter("currency").getBytes("ISO-8859-1"),"UTF-8");//商户订单号String out_trade_no = new String(request.getParameter("out_trade_no").getBytes("ISO-8859-1"),"UTF-8");//支付宝交易号String trade_no = new String(request.getParameter("trade_no").getBytes("ISO-8859-1"),"UTF-8");System.out.println("支付宝交易号:___"+trade_no);//交易状态String trade_status = new String(request.getParameter("trade_status").getBytes("ISO-8859-1"),"UTF-8");System.out.println("交易状态:___"+trade_status);if(StringUtils.isNotBlank(trade_status) && "TRADE_FINISHED".equals(trade_status)){model.setViewName("pay/pay_success");model.addObject("message", "支付成功!");AlipayNotify.verify(params);//这个是demo里面的方法, 下载上面的demo就有该类,就不贴出来了String responseTxt = "true";if(params.get("notify_id") != null) {String notify_id = params.get("notify_id");responseTxt = AlipayNotify.verifyResponse(notify_id);}String sign = "";if(params.get("sign") != null) {sign = params.get("sign");}boolean isSign = AlipayNotify.getSignVeryfy(params, sign);//写日志记录（若要调试，请取消下面两行注释）String sWord = "responseTxt=" + responseTxt + "\n isSign=" + isSign + "\n 返回回来的参数：" + AlipayCore.createLinkString(params);Logger.getLogger(this.getClass().getName()).info(sWord);Map<String,String> paramMap = new HashMap<String,String>();paramMap.put("orderNu", out_trade_no);paramMap.put("payNu", trade_no);orderService.updateAliOrderStatus(paramMap);//　　　　　　　　 PrintWriter out = response.getWriter();//　　　　　　　　　out.print("success");//这段代码是在notify_url的地址中,我这里是没有贴notify_url了} else {model.setViewName("pay/pay_fail");model.addObject("message", "支付失败!");　　　　　　　//　　PrintWriter out = response.getWriter();//这段代码是在notify_url的地址中,我这里是没有贴notify_url了　　　　　　　　　//out.print("fail");

            }} catch (UnsupportedEncodingException e) {e.printStackTrace();}return model;}

 1 // String paygateway    =    "https://openapi.alipaydev.com/gateway.do?";    //支付宝测试环境
 2 String paygateway     =    "https://mapi.alipay.com/gateway.do?";    // 支付宝正式环境
 3 String service      = "create_forex_trade";//接口名称
 4 String sign_type       =   "MD5";//签名方式
 5 String out_trade_no        = orderDTO.getOrderCode();    //本地系统订单号()
 6 String input_charset   =  "utf-8";
 7 // String partner            =    "2088101122136241"; //测试环境pid
 8 String partner            =    ""; //pid
 9 // String key             =    "760bdzec6y9goq7ctyx96ezkz78287de"; //测试环境的key
10 String key             =    ""; //商户key
11 String body    = "";//商品描述
12 if(orderDetails != null && orderDetails.size() > 1){
13     body = orderDetails.get(0).getProductName()+"等多件"; //trade description
14 } else {
15      body = orderDetails.get(0).getProductName(); //trade description
16 }
17 // String total_fee            = "1";                 //range is 0.01～1000000.00
18 String total_fee            = (String)request.getSession().getAttribute("sumPriceForAli");//支付金额
19 String currency     =  "USD";//币种
20 String subject = "";//商品名称
21 if(orderDetails != null && orderDetails.size() > 1){
22     subject= orderDetails.get(0).getProductName()+"等多件";             //
23 } else {
24     subject= orderDetails.get(0).getProductName();         //
25 }
26 String notify_url        = "";     //异步通知,可以理解为后台处理逻辑程序
27 String return_url        = "http://m.uecun.com/uec/pay/payResult";    // 同步通知,可以理解为前台页面显示给用户看的
28 String ItemUrl=Payment.createUrl(paygateway,service,sign_type,out_trade_no,input_charset,partner,key,body,total_fee,currency,subject,notify_url,return_url);