1.1 閱讀官方介紹: 手機網站支付產品介紹html
1.2 看完官方的介紹以後,能夠作出以下總結:java
經過接入此接口,能讓商家接入支付寶的支付功能。具體支付流程以下:git
(1)若用戶已安裝支付寶客戶端,則在支付時會喚起支付寶客戶端進行支付。github
(2)若用戶未安裝支付寶客戶端,則須要在網頁中登陸支付寶帳號進行支付。web
參考:java支付寶開發-01-沙箱環境接入 ,配置好沙箱環境,並下載好沙箱錢包json
此文件主要存放支付寶的一些配置信息 ,你們須要 登陸沙箱環境 ,找到相關配置參數,並據此修改配置文件。api
package com.ray.alipaywap.config; /** * @author : shirayner * @date : 2018/3/9 * @time : 9:36 * @desc : 支付寶的相關配置 **/ public class AlipayConfig { //支付寶網關名-正式環境 //public static final String OPEN_API_DOMAIN="https://openapi.alipay.com/gateway.do"; //支付寶網關名-沙箱環境 public static final String OPEN_API_DOMAIN="https://openapi.alipaydev.com/gateway.do"; /** 1、應用相關 * */ /** * 1.應用ID */ public static final String APP_ID="2016091100487746"; /** * 2.應用私鑰 */ public static final String APP_PRIVATE_KEY="應用私鑰"; /** * 3.應用公鑰 */ public static final String APP_PUBLIC_KEY="應用公鑰"; /** * 4.支付寶公鑰 */ public static final String ALIPAY_PUBLIC_KEY="支付寶公鑰"; /** * 2、商家相關 */ /** * 1.app域名 * 須要改爲本身應用的地址 */ public static final String APP_DOMAIN = "http://rayge.nat300.top"; /** * 2.回跳url * 即付款以後跳回到此頁面。注:沙箱環境下,有bug,不會跳到此頁面。正式環境下正常。 */ public static final String RETURN_URL = APP_DOMAIN + "/return_url.jsp"; /** * 3.通知url */ public static final String NOTIFY_URL = APP_DOMAIN + "/notify_url.jsp"; /** * 3、此部分不用修改 */ /** * 5.app_auth_token在ISV代替商家調用接口時使用,商家本身調用,可傳null。 */ public static final String APP_AUTH_TOKEN=""; public static final String SIGN_TYPE = "RSA2"; public static final String CHAR_SET = "UTF-8"; public static final String FORMAT = "json"; }
package com.ray.alipaywap.service; import com.alipay.api.response.AlipayTradeWapPayResponse; /** * @author : shirayner * @date : 2018/3/12 * @time : 10:48 * @desc : **/ public interface WapPayService { public AlipayTradeWapPayResponse pay(String content) throws Exception; }
package com.ray.alipaywap.service.impl; import com.alipay.api.AlipayApiException; import com.alipay.api.AlipayClient; import com.alipay.api.DefaultAlipayClient; import com.alipay.api.request.AlipayTradeWapPayRequest; import com.alipay.api.response.AlipayTradeWapPayResponse; import com.ray.alipaywap.config.AlipayConfig; import com.ray.alipaywap.service.WapPayService; /** * @author : shirayner * @date : 2018/3/12 * @time : 11:02 * @desc : **/ public class WapPayServiceImpl implements WapPayService{ // 初始化alipayClient對象 public static AlipayClient alipayClient = new DefaultAlipayClient( AlipayConfig.OPEN_API_DOMAIN, AlipayConfig.APP_ID, AlipayConfig.APP_PRIVATE_KEY, AlipayConfig.FORMAT, AlipayConfig.CHAR_SET, AlipayConfig.ALIPAY_PUBLIC_KEY); /** * 手機網站支付 * @param content 訂單信息 * @return * @throws AlipayApiException */ @Override public AlipayTradeWapPayResponse pay(String content) throws AlipayApiException { //1. 建立API對應的request AlipayTradeWapPayRequest alipayRequest = new AlipayTradeWapPayRequest(); //2. 在公共參數中設置回跳和通知地址(應用提供給支付寶的請求路徑),沙箱模式中不起做用(不知道是否是這個緣由,支付寶技術客服告訴我正式上線後就沒問題) alipayRequest.setReturnUrl(AlipayConfig.APP_DOMAIN+"/index.jsp"); alipayRequest.setNotifyUrl(AlipayConfig.NOTIFY_URL); // 填充業務參數 alipayRequest.setBizContent(content); //3.執行請求 AlipayTradeWapPayResponse alipayResponse = alipayClient .pageExecute(alipayRequest); return alipayResponse; } }
接收前臺訂單信息,並調用支付寶接口,來喚起支付寶app來進行支付。app
package com.ray.alipaywap.controller; import com.alipay.api.response.AlipayTradeWapPayResponse; import com.ray.alipaywap.config.AlipayConfig; import com.ray.alipaywap.service.WapPayService; import com.ray.alipaywap.service.impl.WapPayServiceImpl; import javax.servlet.ServletException; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import java.io.IOException; public class WapPayServlet extends javax.servlet.http.HttpServlet { private WapPayService wapPayService; @Override public void init() throws ServletException { super.init(); wapPayService = new WapPayServiceImpl(); } @Override protected void doPost(HttpServletRequest request, HttpServletResponse resp) throws ServletException, IOException { //1.設置將發送到客戶端的響應的內容類型 resp.setContentType("text/html;charset="+ AlipayConfig.CHAR_SET); //1.1 String subject = request.getParameter("subject"); String total_amount = request.getParameter("total_amount"); String out_trade_no = String.valueOf(System.currentTimeMillis()); //1.2 //2.填充業務參數 String content="{" + " \"out_trade_no\":\""+out_trade_no+"\"," + " \"total_amount\":\""+total_amount+"\"," + " \"subject\":\""+subject+"\"," + " \"product_code\":\"QUICK_WAP_PAY\"" + " }"; //3.去支付 AlipayTradeWapPayResponse alipayResponse= null; try { alipayResponse = wapPayService.pay(content); } catch (Exception e) { e.printStackTrace(); } String form= alipayResponse.getBody(); System.out.println(form); //4.輸出支付寶返回的表單頁面 resp.setContentType("text/html;charset=" + AlipayConfig.CHAR_SET); resp.getWriter().write(form);//直接將完整的表單html輸出到頁面 resp.getWriter().flush(); resp.getWriter().close(); } @Override protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { } }
index.jspjsp
<%@ page contentType="text/html;charset=UTF-8" language="java" %> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> </head> <body> <h2>訂單詳情</h2> </body> <form action="/wapPayServlet" method="post" > 商品: <input id="subject" type="text" name="subject" value="IphoneX 128G"/> <br><br> 總價: <input id="total_amount" type="text" name="total_amount" value="99.88"/> <br><br> <input type="submit" value="提交訂單" /> <br><br> </form> </html>
<!DOCTYPE web-app PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN" "http://java.sun.com/dtd/web-app_2_3.dtd" > <web-app> <display-name>Archetype Created Web Application</display-name> <servlet> <servlet-name>wapPayServlet</servlet-name> <servlet-class>com.ray.alipaywap.controller.WapPayServlet</servlet-class> </servlet> <servlet-mapping> <servlet-name>wapPayServlet</servlet-name> <url-pattern>/wapPayServlet</url-pattern> </servlet-mapping> </web-app>