聊一聊Java如何接入招行一網通支付功能

 
 //客戶協議號。
private String agrNo;

//金額
private String amount;

 //銀行訂單流水號
private String bankSerialNo;

// 商戶分行號
private String branchNo;

{
  "version":"1.0",
  "charset":"UTF-8",
  "sign":"見簽名處理章節",
  "signType":"SHA-256",
  "reqData":{
       "dateTime":"20161209112230",
       "branchNo":"0755",
       "merchantNo":"000054",
       "date":"20161209",
       "orderNo":"9999000001",
       "amount":"0.01",
       "expireTimeSpan":"30",
       "payNoticeUrl":"http://www.merchant.com/path/payNotice.do",
       "payNoticePara":"12345678|ABCDEFG|HIJKLM",
       "returnUrl":"http://www.merchant.com/path/return.do",
       "clientIP":"99.12.38.165",
       "cardType":"A",
       "agrNo":"12345678901234567890",
       "merchantSerialNo":"2016062014308888",
       "userID":"2016062388888"
       }
 }

<form action="http://121.15.180.66:801/NetPayment/BaseHttp.dll?MB_EUserPay" method="post" >
    <input type="hidden" name="jsonRequestData" value='服務端返回的請求報文' />
<input type="submit" >
</form>

public static String doPost(String jsonParam, String url, String charset) {
       OutputStreamWriter out = null;
       BufferedReader in = null;
       StringBuffer result = new StringBuffer();
       try {
           URL httpUrl = new URL(url);
           HttpURLConnection urlCon = (HttpURLConnection) httpUrl.openConnection();
           urlCon.setRequestMethod("POST");
           urlCon.setRequestProperty("Content-type", "application/x-www-form-urlencoded");
           urlCon.setDoOutput(true);
           urlCon.setDoInput(true);
           urlCon.setReadTimeout(5 * 1000);
           out = new OutputStreamWriter(urlCon.getOutputStream(), charset);
           out.write("jsonRequestData=" + jsonParam);
           log.info("the request to cmb jsonRequestData is :{}",jsonParam);
           out.flush();

           in = new BufferedReader(new InputStreamReader(urlCon.getInputStream(), charset));
           String str = null;
           while ((str = in.readLine()) != null) {
               result.append(str);
           }

       } catch (MalformedURLException e) {
           e.printStackTrace();
       } catch (IOException e) {
           e.printStackTrace();
       } finally {
           try {
               if (out != null) {
                   out.close();
               }
               if (in != null) {
                   in.close();
               }
           } catch (IOException e) {
               e.printStackTrace();
           }
       }
       return result.toString();
   }