Programming Guide » History » Version 10
chin-yeh, 09/21/2011 03:00 PM
| 1 | 2 | chin-yeh | {{toc}} |
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| 2 | |||
| 3 | 1 | chin-yeh | h1. Programming Guide |
| 4 | 2 | chin-yeh | |
| 5 | Describes how to integrate the mPay into online mall. |
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| 6 | |||
| 7 | 4 | chin-yeh | *Demo application:* |
| 8 | * Generate Redirect URL (for hosted payment form) |
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| 9 | > http://192.168.2.68/ecosway/mpay-sample/payment_form.html |
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| 10 | 5 | chin-yeh | * Query Payment Status: |
| 11 | 4 | chin-yeh | > http://192.168.2.68/ecosway/mpay-sample/query.html |
| 12 | 3 | chin-yeh | |
| 13 | 2 | chin-yeh | h2. Source files |
| 14 | |||
| 15 | > Get the source files from [[wiki#SCM|SCM]]. |
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| 16 | |||
| 17 | *Files:* |
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| 18 | * my.com.eCosway.mpay |
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| 19 | ** Commons - list of common constant |
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| 20 | ** MpayInterfaceUtils - an utility to perform data persistence related operation |
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| 21 | ** MpayPaymentUtils - the mPay APIs |
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| 22 | ** MpayProperties - data model of the mPay properties |
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| 23 | ** PaymentRequest - data model of the mPay's payment request |
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| 24 | ** PaymentResponse - data model of the mPay's payment response |
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| 25 | * resources.properties.mpay |
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| 26 | ** mpay.properties - the application properties file |
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| 27 | 8 | chin-yeh | * source file of demo application (JSP): |
| 28 | ** mpay-sample folder |
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| 29 | 5 | chin-yeh | |
| 30 | h2. Generate Redirect URL |
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| 31 | |||
| 32 | 6 | chin-yeh | Generates the URL which will be used to redirect user to the mPay's hosted payment form. |
| 33 | |||
| 34 | 9 | chin-yeh | * *Method Signature:* |
| 35 | <pre> |
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| 36 | <code class="JAVA"> |
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| 37 | public static Map<String, String> genRedirectFormData(String orderNo, |
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| 38 | Date txnDate, String amount, String returnUrl, String locale, |
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| 39 | PaymentMethod paymentMethod) |
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| 40 | </code> |
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| 41 | </pre> |
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| 42 | 10 | chin-yeh | * *Demo:* |
| 43 | ** [[Programming Guide]] |
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| 44 | 6 | chin-yeh | |
| 45 | 5 | chin-yeh | h3. Input Parameters |
| 46 | |||
| 47 | 6 | chin-yeh | * *orderNo* - the unique order number |
| 48 | * *txtDate* - the transaction date |
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| 49 | * *amount* - the transaction amount |
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| 50 | * *returnUrl* - mPay will redirect the user to this URL after made the payment |
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| 51 | * *locale* - the display language of the payment form |
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| 52 | * *paymentMethod* - the payment method, e.g. _CUP_, _Alipay_ |
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| 53 | |||
| 54 | h3. Output Parameters |
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| 55 | 1 | chin-yeh | |
| 56 | 7 | chin-yeh | Use the returned key-pair values to construct the *HTML form*. |
| 57 | 1 | chin-yeh | |
| 58 | 8 | chin-yeh | Due to the limit of the length of a URL, the recommended HTTP method is *POST*. This is because extremely long URL will not work in most popular browsers and most importantly the length of the query string is unknown. |
| 59 | 7 | chin-yeh | |
| 60 | *Returned key-pair values:* |
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| 61 | * *form_action* - the URL of the hosted payment form. To be placed in the *action* attribute of the form |
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| 62 | * *encmsg* - the encrypted message. To be placed in the input element |
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| 63 | * *sigmsg* - the signed message. To be placed in the input element |
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| 64 | * *certserial* - the serial number of the certificate. To be placed in the input element |
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| 65 | |||
| 66 | 5 | chin-yeh | h3. Code Snippets |
| 67 | 1 | chin-yeh | |
| 68 | 7 | chin-yeh | <pre> |
| 69 | <code class="JAVA"> |
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| 70 | <body> |
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| 71 | 1 | chin-yeh | |
| 72 | 7 | chin-yeh | <% |
| 73 | String orderNo = request.getParameter("order_no"); |
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| 74 | String txnDate = request.getParameter("txn_date"); |
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| 75 | String amount = request.getParameter("amount"); |
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| 76 | String returnUrl = request.getParameter("return_url"); |
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| 77 | String locale = request.getParameter("locale"); |
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| 78 | String paymentMethod = request.getParameter("payment_method"); |
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| 79 | |||
| 80 | Date transactionDate = new SimpleDateFormat("yyyyMMddHHmmss").parse(txnDate); |
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| 81 | PaymentMethod cardType = PaymentMethod.valueOf(paymentMethod); |
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| 82 | |||
| 83 | Map<String, String> formData = MpayPaymentUtils.genRedirectFormData( |
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| 84 | orderNo, |
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| 85 | transactionDate, |
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| 86 | amount, |
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| 87 | returnUrl, |
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| 88 | locale, |
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| 89 | cardType); |
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| 90 | %> |
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| 91 | |||
| 92 | <p> |
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| 93 | Redirecting you to the mPay payment form, it may takes up to 1 minute... |
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| 94 | 1 | chin-yeh | </p> |
| 95 | 7 | chin-yeh | |
| 96 | 9 | chin-yeh | <form name="form1" method="post" action="<%= formData.get("form_action") %>"> |
| 97 | 7 | chin-yeh | <input type=hidden name=encmsg value="<%=formData.get("encmsg")%>"/> |
| 98 | <input type=hidden name=sigmsg value="<%=formData.get("sigmsg")%>"/> |
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| 99 | <input type=hidden name=certserial value="<%=formData.get("certserial")%>"/> |
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| 100 | </form> |
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| 101 | |||
| 102 | <script language="javascript"> |
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| 103 | |||
| 104 | function submitForm(){ |
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| 105 | document.form1.submit(); |
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| 106 | } |
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| 107 | |||
| 108 | window.onload=submitForm ; |
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| 109 | |||
| 110 | </script> |
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| 111 | |||
| 112 | </body> |
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| 113 | </code> |
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| 114 | </pre> |
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| 115 | |||
| 116 | |||
| 117 | 1 | chin-yeh | h2. Query Payment Status |
| 118 | |||
| 119 | 10 | chin-yeh | Queries the payment status of the submitted transaction. |
| 120 | |||
| 121 | * *Method Signature:* |
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| 122 | <pre> |
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| 123 | <code class="JAVA"> |
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| 124 | public static PaymentResponse queryPaymentStatus(String orderNo) |
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| 125 | </code> |
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| 126 | </pre> |
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| 127 | * *Demo:* |
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| 128 | ** [[Programming Guide]] |
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| 129 | |||
| 130 | 1 | chin-yeh | h3. Input Parameters |
| 131 | |||
| 132 | 10 | chin-yeh | orderNo - the order number of the submitted transaction |
| 133 | |||
| 134 | |||
| 135 | 1 | chin-yeh | h3. Output Parameters |
| 136 | |||
| 137 | 10 | chin-yeh | The fields of the returned object, *PaymentResponse*: |
| 138 | * *merchantId* - the merchant ID |
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| 139 | * *merchantTId* - the merchant terminal ID |
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| 140 | * *orderNo* - the order number |
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| 141 | * *systemDate* - the system date of mPay |
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| 142 | * *refNo* - the transaction ID of mPay |
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| 143 | * *amount* - the settlement amount |
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| 144 | * *currencyCode* - the currency of the settlement amount |
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| 145 | * *settlementDate* - the settlement date |
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| 146 | * *responseCode* - the response code |
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| 147 | * *authCode* - the bank authorization code if any |
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| 148 | * *transactionStatus* - indicate if it's success |
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| 149 | |||
| 150 | 7 | chin-yeh | h3. Code Snippets |
| 151 | 1 | chin-yeh | |
| 152 | <pre> |
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| 153 | <code class="JAVA"> |
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| 154 | 10 | chin-yeh | <% |
| 155 | PaymentResponse paymentResponse = MpayPaymentUtils.queryPaymentStatus(request.getParameter("order_no")); |
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| 156 | %> |
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| 157 | 7 | chin-yeh | </code> |
| 158 | </pre> |