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Java中SpringBoot项目集成Easy版支付宝支付

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Java中SpringBoot项目集成Easy版支付宝支付

在官网注册支付宝开放平台账号:支付宝开放平台 (alipay.com) 进入沙箱环境查看APPID、应用公钥以及应用私钥等相关应用信息

导入相关maven依赖

    com.alipay.sdk
    alipay-easysdk
    2.2.1

在yml中配置支付相关参数
alibabapay:
  app-id: 
  protocol: 
  gateway-host: "openapi.alipaydev.com"
  #支付宝公钥
  alibaba-public-key: 
  #商户私钥
  merchant-private-key: 
  sign-type: "RSA2"
  notify-url: 
  return-url: 
读取配置类
@Component
@ConfigurationProperties(prefix = "alibabapay")
@Data
public class AlipayProperties {
    private String appId;
    private String protocol;
    private String gatewayHost;
    private String alibabaPublicKey;
    private String merchantPrivateKey;
    private String signType;
    private String notifyUrl;
    private String returnUrl;

    public Config getOptions() {
        Config config = new Config();
        config.protocol = protocol;
        config.gatewayHost = gatewayHost;
        config.signType = signType;
        config.appId = appId;
        //应用私钥
        config.merchantPrivateKey = merchantPrivateKey;
        //支付宝公钥
        config.alipayPublicKey = alibabaPublicKey;
        //可设置异步通知接收服务地址(可选)
        config.notifyUrl = notifyUrl;
        return config;
    }
}
AlipayConfig 配置类 
package com.alipay.config;
public class AlipayConfig {
    // 商户appid
    public static String APPID = "";
    // 私钥 pkcs8格式的
    public static String RSA_PRIVATE_KEY = "";
    // 服务器异步通知页面路径 需http://或者https://格式的完整路径,不能加?id=123这类自定义参数,必须外网可以正常访问
    public static String notify_url = "http://商户网关地址/alipay.trade.wap.pay-JAVA-UTF-8/notify_url.jsp";
    // 页面跳转同步通知页面路径 需http://或者https://格式的完整路径,不能加?id=123这类自定义参数,必须外网可以正常访问 商户可以自定义同步跳转地址
    public static String return_url = "http://商户网关地址/alipay.trade.wap.pay-JAVA-UTF-8/return_url.jsp";
    // 请求网关地址
    public static String URL = "https://openapi.alipay.com/gateway.do";
    // 编码
    public static String CHARSET = "UTF-8";
    // 返回格式
    public static String FORMAT = "json";
    // 支付宝公钥
    public static String ALIPAY_PUBLIC_KEY = "MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAjrEVFMOSiNJXaRNKicQuQdsREraftDA9Tua3WNZwcpeXeh8Wrt+V9JilLqSa7N7sVqwpvv8zWChgXhX/A96hEg97Oxe6GKUmzaZRNh0cZZ88vpkn5tlgL4mH/dhSr3Ip00kvM4rHq9PwuT4k7z1DpZAf1eghK8Q5BgxL88d0x07m9X96Ijd0yMkXArzD7jg+noqfbztEKoH3kPMRJC2w4ByVdweWUT2PwrlATpZZtYLmtDvUKG/sOkNAIKEMg3Rut1oKWpjyYanzDgS7Cg3awr1KPTl9rHCazk15aNYowmYtVabKwbGVToCAGK+qQ1gT3ELhkGnf3+h53fukNqRH+wIDAQAB";
    // 日志记录目录定义在 logFile 中
    public static String log_path = "/log";
    // RSA2
    public static String SIGNTYPE = "RSA2";
}
支付宝官方调用示例
import com.alipay.easysdk.factory.Factory;
import com.alipay.easysdk.factory.Factory.Payment;
import com.alipay.easysdk.kernel.Config;
import com.alipay.easysdk.kernel.util.ResponseChecker;
import com.alipay.easysdk.payment.facetoface.models.AlipayTradePrecreateResponse;
public class Main {
    public static void main(String[] args) throws Exception {
        // 1. 设置参数(全局只需设置一次)
        Factory.setOptions(getOptions());
        try {
            // 2. 发起API调用(以创建当面付收款二维码为例)
            AlipayTradePrecreateResponse response = Payment.FaceToFace()
                    .preCreate("Apple iPhone11 128G", "2234567890", "5799.00");
            // 3. 处理响应或异常
            if (ResponseChecker.success(response)) {
                System.out.println("调用成功");
            } else {
                System.err.println("调用失败,原因:" + response.msg + "," + response.subMsg);
            }
        } catch (Exception e) {
            System.err.println("调用遭遇异常,原因:" + e.getMessage());
            throw new RuntimeException(e.getMessage(), e);
        }
    }
    private static Config getOptions() {
        Config config = new Config();
        config.protocol = "https";
        config.gatewayHost = "openapi.alipay.com";
        config.signType = "RSA2";
        config.appId = "<-- 请填写您的AppId,例如:2019091767145019 -->";
        // 为避免私钥随源码泄露,推荐从文件中读取私钥字符串而不是写入源码中
        config.merchantPrivateKey = "<-- 请填写您的应用私钥,例如:MIIEvQIBADANB ... ... -->";
        //注:证书文件路径支持设置为文件系统中的路径或CLASS_PATH中的路径,优先从文件系统中加载,加载失败后会继续尝试从CLASS_PATH中加载
        config.merchantCertPath = "<-- 请填写您的应用公钥证书文件路径,例如:/foo/appCertPublicKey_2019051064521003.crt -->";
        config.alipayCertPath = "<-- 请填写您的支付宝公钥证书文件路径,例如:/foo/alipayCertPublicKey_RSA2.crt -->";
        config.alipayRootCertPath = "<-- 请填写您的支付宝根证书文件路径,例如:/foo/alipayRootCert.crt -->";
        //注:如果采用非证书模式,则无需赋值上面的三个证书路径,改为赋值如下的支付宝公钥字符串即可
        // config.alipayPublicKey = "<-- 请填写您的支付宝公钥,例如:MIIBIjANBg... -->";
        //可设置异步通知接收服务地址(可选)
        config.notifyUrl = "<-- 请填写您的支付类接口异步通知接收服务地址,例如:https://www.test.com/callback -->";
        //可设置AES密钥,调用AES加解密相关接口时需要(可选)
        config.encryptKey = "<-- 请填写您的AES密钥,例如:aa4BtZ4tspm2wnXLb1ThQA== -->";
        return config;
    }
}

第三方代理调用
Factory.Payment.FaceToFace()
    // 调用agent扩展方法,设置app_auth_token,完成第三方代调用
    .agent("ca34ea491e7146cc87d25fca24c4cD11")
    .preCreate("Apple iPhone11 128G", "2234567890", "5799.00");

设置独立的异步通知地址
Factory.Payment.FaceToFace()
    // 调用asyncNotify扩展方法,可以为每次API调用,设置独立的异步通知地址
    // 此处设置的异步通知地址的优先级高于全局Config中配置的异步通知地址
    .asyncNotify("https://www.test.com/callback")
    .preCreate("Apple iPhone11 128G", "2234567890", "5799.00");

支付类异步通知验签
Map parameters = new HashMap<>();
parameters.put("charset", "UTF-8");
parameters.put("sign", "GM0CbuqaEivqgb......");
parameters.put("app_id", "2018091261392200");
parameters.put("sign_type", "RSA2");
parameters.put("isv_ticket", "");
parameters.put("timestamp", "2020-03-25 16:27:08");
//... ... 接收到的所有参数放入一个Map中
Factory.Payment.Common().verifyNotify(parameters);

动态扩展 SDK 功能满足个性化需求

当 SDK 的 API 声明中的参数不满足个性化需求时,可按如下方式追加可选业务参数:

List goodsDetailList = new ArrayList<>();
Map goodsDetail = new HashMap<>();
goodsDetail.put("goods_id", "apple-01");
goodsDetail.put("goods_name", "Apple iPhone11 128G");
goodsDetail.put("quantity", 1);
goodsDetail.put("price", "5799.00");
goodsDetailList.add(goodsDetail);
Factory.Payment.FaceToFace()
    // 调用optional扩展方法,完成可选业务参数(biz_content下的可选字段)的设置
    .optional("seller_id", "2088102146225135")
    .optional("discountable_amount", "8.88")
    .optional("goods_detail", goodsDetailList)
    .preCreate("Apple iPhone11 128G", "2234567890", "5799.00");
Map optionalArgs = new HashMap<>();
optionalArgs.put("seller_id", "2088102146225135");
optionalArgs.put("discountable_amount", "8.88");
optionalArgs.put("goods_detail", goodsDetailList);
Factory.Payment.FaceToFace()
    // 也可以调用batchOptional扩展方法,批量设置可选业务参数(biz_content下的可选字段)
    .batchOptional(optionalArgs)
    .preCreate("Apple iPhone11 128G", "2234567890", "5799.00"); 

当想要调用的 OpenAPI 在 SDK 中没有对应的 API 与之对应时,可按如下方式调用 OpenAPI:

注意:生成 Form 表单类的 OpenAPI(老版 SDK 中需要使用 pageExecute)本调用方式暂不支持。

//设置系统参数(OpenAPI中非biz_content里的参数)
Map textParams = new HashMap<>();
textParams.put("app_auth_token", "201712BB_D0804adb2e743078d1822d536956X34");
//设置业务参数(OpenAPI中biz_content里的参数)
Map bizParams = new HashMap<>();
bizParams.put("subject", "Iphone6 16G");
bizParams.put("out_trade_no", UUID.randomUUID().toString());
bizParams.put("total_amount", "0.10");
bizParams.put("buyer_id", "2088002656718920");
Map extendParams = new HashMap<>();
extendParams.put("hb_fq_num", "3");
extendParams.put("hb_fq_seller_percent", "3");
bizParams.put("extend_params", extendParams);
AlipayOpenApiGenericResponse response = Factory.Util.Generic().execute(
        "alipay.trade.create", textParams, bizParams);
请求示例
AlipayClient alipayClient = new DefaultAlipayClient("https://openapi.alipay.com/gateway.do","app_id","your private_key","json","GBK","alipay_public_key","RSA2");
AlipayTradePagePayRequest request = new AlipayTradePagePayRequest();
request.setNotifyUrl("");
request.setReturnUrl("");
JSonObject bizContent = new JSonObject();
bizContent.put("out_trade_no", "20210817010101004");
bizContent.put("total_amount", 0.01);
bizContent.put("subject", "测试商品");
bizContent.put("product_code", "FAST_INSTANT_TRADE_PAY");
//bizContent.put("time_expire", "2022-08-01 22:00:00");

 商品明细信息,按需传入
//JSonArray goodsDetail = new JSonArray();
//JSonObject goods1 = new JSonObject();
//goods1.put("goods_id", "goodsNo1");
//goods1.put("goods_name", "子商品1");
//goods1.put("quantity", 1);
//goods1.put("price", 0.01);
//goodsDetail.add(goods1);
//bizContent.put("goods_detail", goodsDetail);

 扩展信息,按需传入
//JSonObject extendParams = new JSonObject();
//extendParams.put("sys_service_provider_id", "2088511833207846");
//bizContent.put("extend_params", extendParams);

request.setBizContent(bizContent.toString());
AlipayTradePagePayResponse response = alipayClient.pageExecute(request);
if(response.isSuccess()){
System.out.println("调用成功");
} else {
System.out.println("调用失败");
}
响应示例
// 响应为表单格式,可嵌入页面,具体以返回的结果为准
异常示例 
{
    "alipay_trade_page_pay_response": {
        "code": "20000",
        "msg": "Service Currently Unavailable",
        "sub_code": "isp.unknow-error",
        "sub_msg": "系统繁忙"
    },
    "sign": "ERITJKEIJKJHKKKKKKKHJEREEEEEEEEEEE"
}

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