简介:
蚂蚁金服开放平台基于支付宝的海量用户,将强大的支付、营销、数据能力,通过接口等形式开放给第三方合作伙伴,帮助第三方合作伙伴创建更具竞争力的应用。
通过接入蚂蚁金服开放平台,第三方合作伙伴可以获得更多的流量、用户和收益,而第三方合作伙伴提供的服务也让用户获得了更丰富的体验,平台生态更加繁荣,最终实现多方共赢
开发文档 和介绍网站:https://docs.open.alipay.com
1注册一个沙箱号 网站https://open.alipay.com/platform/home.htm
使用真的支付宝扫描 进去 注册 沙箱支付宝
2)进去注册信息
3)注册成功就进去点击开发中心
4)接下来下载密匙生成工具
下载完毕 解压
更新秘钥工具2021-01-19
我以上传到百度网盘 下载安装即可使用
5)进入沙箱 把生成的公钥放进就去 就会自动生成支付宝公钥了
6)接下来创建Java项目,在我们的pom文件中添加支付宝提供的支付相关坐标
<dependency>
<groupId>com.alipay.sdk</groupId>
<artifactId>alipay-sdk-java</artifactId>
<version>3.3.49.ALL</version>
</dependency>
结构很简单 一个controller 就可以
创建支付Controller,并准备支付所需参数
可以参考下图
SpringMVC
@Controller
public class PayController {
private final String APP_ID = "应用的APPID";
private final String APP_PRIVATE_KEY = "生成的应用私钥";
private final String CHARSET = "UTF-8";
private final String ALIPAY_PUBLIC_KEY = "支付宝公钥";
//这是沙箱接口路径,正式路径为https://openapi.alipay.com/gateway.do
private final String GATEWAY_URL ="https://openapi.alipaydev.com/gateway.do";
private final String FORMAT = "JSON";
//签名方式
private final String SIGN_TYPE = "RSA2";
//支付宝异步通知路径,付款完毕后会异步调用本项目的方法,必须为公网地址
private final String NOTIFY_URL = "http://公网地址/notifyUrl";
//支付宝同步通知路径,也就是当付款完毕后跳转本项目的页面,可以不是公网地址
private final String RETURN_URL = "http://公网地址/returnUrl";
}
创建调用支付宝支付的方法
@RequestMapping("alipay")
public void alipay(HttpServletResponse httpResponse) throws IOException {
Random r=new Random();
//实例化客户端,填入所需参数
AlipayClient alipayClient = new DefaultAlipayClient(GATEWAY_URL, APP_ID, APP_PRIVATE_KEY, FORMAT, CHARSET, ALIPAY_PUBLIC_KEY, SIGN_TYPE);
AlipayTradePagePayRequest request = new AlipayTradePagePayRequest();
//在公共参数中设置回跳和通知地址
request.setReturnUrl(RETURN_URL);
request.setNotifyUrl(NOTIFY_URL);
//商户订单号,商户网站订单系统中唯一订单号,必填
//生成随机Id
String out_trade_no = UUID.randomUUID().toString();
//付款金额,必填
String total_amount =Integer.toString(r.nextInt(9999999)+1000000);
//订单名称,必填
String subject ="奥迪A8 2016款 A8L 60 TFSl quattro豪华型";
//商品描述,可空
String body = "尊敬的会员欢迎购买奥迪A8 2016款 A8L 60 TFSl quattro豪华型";
request.setBizContent("{\"out_trade_no\":\""+ out_trade_no +"\","
+ "\"total_amount\":\""+ total_amount +"\","
+ "\"subject\":\""+ subject +"\","
+ "\"body\":\""+ body +"\","
+ "\"product_code\":\"FAST_INSTANT_TRADE_PAY\"}");
String form = "";
try {
form = alipayClient.pageExecute(request).getBody(); // 调用SDK生成表单
} catch (AlipayApiException e) {
e.printStackTrace();
}
httpResponse.setContentType("text/html;charset=" + CHARSET);
httpResponse.getWriter().write(form);// 直接将完整的表单html输出到页面
httpResponse.getWriter().flush();
httpResponse.getWriter().close();
}
}
更新2021-01-19
Stringboot 基本一个套路就是注解
@RestController
package com.tang.cloud.controller;
import com.alipay.api.AlipayApiException;
import com.alipay.api.AlipayClient;
import com.alipay.api.DefaultAlipayClient;
import com.alipay.api.request.AlipayTradePagePayRequest;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.security.SecureRandom;
import java.util.UUID;
@RestController
public class PayController {
private final String APP_ID = "2016092500596842";
private final String CHARSET = "UTF-8";
private final String ALIPAY_PUBLIC_KEY = "MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA3TWqoUi8tjCgaR5M5sx0mXrDKEjz/QJZ3QqnVpQ7MEASiWJ49T0kou4LGF6PjeqAKI9t7aKHF2wZMuIVq69qYFgpE4219H3e0sGQzXalx9SfvMeazItTJXh7obcETUwQ0F8U4DAFVYEooFjD1VnNiDtsKrJwHzqE7bz7NFR3k/Zz8ksT3boCzOoUANzfQohn5WyclgoLKBwkZRQzzEuHYStkyKJbryYptXwGo9iSJ5JcIqrlk87HJPcmbRPKJrxFg4rE3bZbJ+AYejcLYPmyz5/owWEp1xpc7HvfklU2EzfJhJxNkNSoSKRZcBRTXZQsA7hTi7YmjZeNslk62OeA5wIDAQAB";
//这是沙箱接口路径,正式路径为https://openapi.alipay.com/gateway.do
private final String GATEWAY_URL ="https://openapi.alipaydev.com/gateway.do";
private final String FORMAT = "JSON";
//签名方式
private final String SIGN_TYPE = "RSA2";
//支付宝异步通知路径,付款完毕后会异步调用本项目的方法,必须为公网地址
private final String NOTIFY_URL = "http://127.0.0.1/notifyUrl";
//支付宝同步通知路径,也就是当付款完毕后跳转本项目的页面,可以不是公网地址
private final String RETURN_URL = "http://127.0.0.1/returnUrl";
@RequestMapping("aliapy")
public void alipay(HttpServletResponse httpResponse) throws IOException {
SecureRandom r= new SecureRandom();
//实例化客户端,填入所需参数
AlipayClient alipayClient = new DefaultAlipayClient(GATEWAY_URL, APP_ID, APP_PRIVATE_KEY, FORMAT, CHARSET, ALIPAY_PUBLIC_KEY, SIGN_TYPE);
AlipayTradePagePayRequest request = new AlipayTradePagePayRequest();
//在公共参数中设置回跳和通知地址
request.setReturnUrl(RETURN_URL);
request.setNotifyUrl(NOTIFY_URL);
//商户订单号,商户网站订单系统中唯一订单号,必填
//生成随机Id
String out_trade_no = UUID.randomUUID().toString();
//付款金额,必填
String total_amount =Integer.toString(r.nextInt(9999999)+1000000);
//订单名称,必填
String subject ="奥迪A8 2021款 A8L 60 TFSl quattro豪华型";
//商品描述,可空
String body = "尊敬的会员欢迎购买奥迪A8 2021款 A8L 60 TFSl quattro豪华型";
request.setBizContent("{\"out_trade_no\":\""+ out_trade_no +"\","
+ "\"total_amount\":\""+ total_amount +"\","
+ "\"subject\":\""+ subject +"\","
+ "\"body\":\""+ body +"\","
+ "\"product_code\":\"FAST_INSTANT_TRADE_PAY\"}");
String form = "";
try {
form = alipayClient.pageExecute(request).getBody(); // 调用SDK生成表单
} catch (AlipayApiException e) {
e.printStackTrace();
}
httpResponse.setContentType("text/html;charset=" + CHARSET);
httpResponse.getWriter().write(form);// 直接将完整的表单html输出到页面
httpResponse.getWriter().flush();
httpResponse.getWriter().close();
}
}
接下来启动项目 就访问我们的方法了访问xxxx.do就可直接跳到支付页面
在付款成功后,浏览器会跳转到我们定义的同步回调页面,来验证是否付款成功等操作
@RequestMapping(value = "/returnUrl", method = RequestMethod.GET)
public String returnUrl(HttpServletRequest request, HttpServletResponse response)
throws IOException, AlipayApiException {
System.out.println("=================================同步回调=====================================");
// 获取支付宝GET过来反馈信息
Map<String, String> params = new HashMap<String, String>();
Map<String, String[]> requestParams = request.getParameterMap();
for (Iterator<String> 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("utf-8"), "utf-8");
params.put(name, valueStr);
}
System.out.println(params);//查看参数都有哪些
boolean signVerified = AlipaySignature.rsaCheckV1(params, ALIPAY_PUBLIC_KEY, CHARSET, SIGN_TYPE); // 调用SDK验证签名
//验证签名通过
if(signVerified){
// 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");
// 付款金额
String total_amount = new String(request.getParameter("total_amount").getBytes("ISO-8859-1"), "UTF-8");
System.out.println("商户订单号="+out_trade_no);
System.out.println("支付宝交易号="+trade_no);
System.out.println("付款金额="+total_amount);
//支付成功,修复支付状态
payService.updateById(Integer.valueOf(out_trade_no));
return "ok";//跳转付款成功页面
}else{
return "no";//跳转付款失败页面
}
}
上面为支付宝同步调用处理,但是官方建议应在异步调用方法中处理付款成功后的操作,但因异步调用的路径必须为公网地址,支付宝才可以发送请求给我们,故这里不写异步调用的方法了,需要注意的是,异步调用为post请求,且传递来的参数会多一些,但基本与同步调用的操作一致,下面为支付宝官方调用图解