java+支付宝转账+证书（一秒接入）mybatis的博客-

import com.alipay.api.AlipayApiException; import com.alipay.api.CertAlipayRequest; import com.alipay.api.DefaultAlipayClient; import com.alipay.api.request.AlipayFundTransUniTransferRequest; import com.alipay.api.response.AlipayFundTransUniTransferResponse; public class alipayClient { public static void main(String[] args) throws AlipayApiException { //获取根目录    String filePath=alipayClient.class.getResource("/").getPath();     System.out.println(filePath);   CertAlipayRequest   certAlipayRequest   = new CertAlipayRequest ();    certAlipayRequest . setServerUrl ( "https://openapi.alipay.com/gateway.do" );    certAlipayRequest . setAppId ( "");    certAlipayRequest . setPrivateKey ( "" );//密钥    certAlipayRequest . setFormat ( "json" );    certAlipayRequest . setCharset ( "UTF-8" );    certAlipayRequest . setSignType ( "RSA2" );    certAlipayRequest . setCertPath (filePath+"appCertPublicKey.crt");//应用证书    certAlipayRequest . setAlipayPublicCertPath (filePath+"alipayCertPublicKey_RSA2.crt");//支付证书    certAlipayRequest . setRootCertPath (filePath+"alipayRootCert.crt" );    DefaultAlipayClient   alipayClient   = new DefaultAlipayClient(certAlipayRequest);    AlipayFundTransUniTransferRequest   request   = new AlipayFundTransUniTransferRequest (); //订单号   Map<String, Object> map = new DateFormat().dateFormat();   String order = (String) map.get("random");   System.out.println(order); //价格   Double  money = 0.1; //转账标题   String order_title = ""; //支付宝会员id   String identity = ""; //实名信息   String name = ""; //付款方式 //      单笔无密转账到支付宝账户固定为: //  TRANS_ACCOUNT_NO_PWD； //  单笔无密转账到银行卡固定为: //  TRANS_BANKCARD_NO_PWD; //  收发现金红包固定为: //  STD_RED_PACKET；      request.setBizContent("{" + ""out_biz_no":"201806300001"," + ""trans_amount":"+money+"," + ""product_code":"TRANS_ACCOUNT_NO_PWD"," + ""biz_scene":"DIRECT_TRANSFER"," + ""order_title":""+order_title+""," + //  ""original_order_id":"20190620110075000006640000063056"," + ""payee_info":{" + ""identity":""+identity+""," + ""identity_type":"ALIPAY_LOGON_ID"," + ""name":""+name+""" + "    }," + //  ""remark":"单笔转账"," + //  ""business_params":"{\"sub_biz_scene\":\"REDPACKET\"}"" + "  }");   AlipayFundTransUniTransferResponse response = alipayClient.certificateExecute(request); if(response.isSuccess()){   System.out.println("调用成功"); } else {   System.out.println("调用失败"); } } } 

POM（低版本的会出错）

 <!-- https://mvnrepository.com/artifact/com.alipay.sdk/alipay-sdk-java --> <dependency> <groupId>com.alipay.sdk</groupId> <artifactId>alipay-sdk-java</artifactId> <version>4.10.0.ALL</version> </dependency>