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  • PayPal Java SDK 전체 예 – Java 클라이언트를 사용하여 PayPal 권한 부여 REST API를 호출하는 방법은 무엇입니까?

PayPal Java SDK 전체 예 – Java 클라이언트를 사용하여 PayPal 권한 부여 REST API를 호출하는 방법은 무엇입니까?

게시 됨: 2019-03-18

PayPal 개발자 샌드박스 계정 - Crunchify의 Java SKD 예제

PayPal 은 최고의 온라인 Payment 송금 서비스 중 하나입니다. 미친 숫자와 함께 나날이 성장하고 있다는 것은 의심의 여지가 없습니다.

저는 개인적으로 PayPal Java Developer APIs 에 대한 직접적인 경험이 있으며 모든 Crunchify 독자와 경험을 공유하고 싶습니다.

이 튜토리얼에서는 PayPal Java SDK 최신 버전인 1.14.0 을 사용합니다.

다음은 Java Eclipse 프로젝트에 추가할 maven 종속성입니다.

pom.xml PayPal maven dependency
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< dependency >
< groupId > com . paypal . sdk < / groupId >
< artifactId > rest - api - sdk < / artifactId >
< version > LATEST < / version >
< / dependency >

위의 PayPal maven 종속성을 Java 프로젝트에 추가하면 랩톱/데스크톱에서 볼 수 있습니다.

PayPal Java SKD 예제 - Maven 종속성 가져오기

이 튜토리얼의 목적

  • PayPal API를 사용하여 고객의 계정 put hold 할 수 있습니다.
  • 동일한 방법으로 구매 capture money 할 수 있습니다.
  • API를 사용하여 고객에게 refund 할 수 있습니다.
  • 또한 이전에 계정에 설정 void any hold .
  • 위의 모든 작업을 수행할 수 있는 간단한 단계가 있으며 이것이 이 자습서에서 수행할 작업입니다. 주로 우리는 고객의 계정에 HOLD를 둘 것입니다.

내가 무엇이 필요 하나?

PayPal 계정이 필요합니다. 아래 단계를 따르십시오.

  1. official PayPal 계정 만들기
  2. https://developer.paypal.com/developer/applications 링크를 사용하여 PayPal 개발자 포털에 로그인합니다.
  3. 이 링크를 사용하여 새 앱 만들기: https://developer.paypal.com/developer/applications/create
  4. 프로그램에서 paypalContext 를 생성하는 데 필요한 ClientID 및 ClientSecret 을 가져옵니다.

PayPal 앱 ClientID 및 ClientSecret - Crunchify 자습서

ClientID와 ClientSecret이 있으면 다음은 Java 프로그램 crunchifyCapturePayPalAPI.java 작성을 시작하는 것입니다.

다음은 이 프로그램의 전체 논리입니다.

  1. Payer 객체 생성 및 PaymentMethod 설정
  2. RedirectUrls 설정 및 cancelURL 및 returnURL 설정
  3. Details 설정 및 PaymentDetails 추가
  4. Amount 설정
  5. Transaction 설정
  6. 결제 세부정보 추가 및 authorize 의도 설정
  7. clientID , clientSecret 및 mode 를 전달하여 APIContext 생성
  8. Payment 객체 생성 및 지불 ID 가져오기
  9. payerID 를 PaymentExecution 객체로 설정
  10. Execute Payment 및 승인 받기

완전한 코드:

CrunchifyPayPalSDKTutorial.java
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package crunchify . com . paypal . sdk ;
 
import java . util . ArrayList ;
import java . util . List ;
 
import com . paypal . api . payments . Amount ;
import com . paypal . api . payments . Authorization ;
import com . paypal . api . payments . Details ;
import com . paypal . api . payments . Links ;
import com . paypal . api . payments . Payer ;
import com . paypal . api . payments . Payment ;
import com . paypal . api . payments . PaymentExecution ;
import com . paypal . api . payments . RedirectUrls ;
import com . paypal . api . payments . Transaction ;
import com . paypal . base . rest . APIContext ;
import com . paypal . base . rest . PayPalRESTException ;
 
/**
* @author Crunchify.com
* Version: 1.1.0
*
*/
 
public class CrunchifyPayPalSDKTutorial {
private static String crunchifyID = "<!---- Add your clientID Key here ---->" ;
private static String crunchifySecret = "<!---- Add your clientSecret Key here ---->" ;
 
private static String executionMode = "sandbox" ; // sandbox or production
 
public static void main ( String args [ ] ) {
CrunchifyPayPalSDKTutorial crunchifyObj = new CrunchifyPayPalSDKTutorial ( ) ;
 
// How to capture PayPal Payment using Java SDK? doCapture() PayPal SDK call.
crunchifyObj . crunchifyCapturePayPalAPI ( ) ;
}
 
// This is simple API call which will capture a specified amount for any given
// Payer or User
public void crunchifyCapturePayPalAPI ( ) {
 
/*
* Flow would look like this:
* 1. Create Payer object and set PaymentMethod
* 2. Set RedirectUrls and set cancelURL and returnURL
* 3. Set Details and Add PaymentDetails
* 4. Set Amount
* 5. Set Transaction
* 6. Add Payment Details and set Intent to "authorize"
* 7. Create APIContext by passing the clientID, secret and mode
* 8. Create Payment object and get paymentID
* 9. Set payerID to PaymentExecution object
* 10. Execute Payment and get Authorization
*
*/
 
Payer crunchifyPayer = new Payer ( ) ;
crunchifyPayer . setPaymentMethod ( "paypal" ) ;
 
// Redirect URLs
RedirectUrls crunchifyRedirectUrls = new RedirectUrls ( ) ;
crunchifyRedirectUrls . setCancelUrl ( "http://localhost:3000/crunchifyCancel" ) ;
crunchifyRedirectUrls . setReturnUrl ( "http://localhost:3000/crunchifyReturn" ) ;
 
// Set Payment Details Object
Details crunchifyDetails = new Details ( ) ;
crunchifyDetails . setShipping ( "2.22" ) ;
crunchifyDetails . setSubtotal ( "3.33" ) ;
crunchifyDetails . setTax ( "1.11" ) ;
 
// Set Payment amount
Amount crunchifyAmount = new Amount ( ) ;
crunchifyAmount . setCurrency ( "USD" ) ;
crunchifyAmount . setTotal ( "6.66" ) ;
crunchifyAmount . setDetails ( crunchifyDetails ) ;
 
// Set Transaction information
Transaction crunchifyTransaction = new Transaction ( ) ;
crunchifyTransaction . setAmount ( crunchifyAmount ) ;
crunchifyTransaction . setDescription ( "Crunchify Tutorial: How to Invoke PayPal REST API using Java Client?" ) ;
List < Transaction > crunchifyTransactions = new ArrayList < Transaction > ( ) ;
crunchifyTransactions . add ( crunchifyTransaction ) ;
 
// Add Payment details
Payment crunchifyPayment = new Payment ( ) ;
// Set Payment intent to authorize
crunchifyPayment . setIntent ( "authorize" ) ;
crunchifyPayment . setPayer ( crunchifyPayer ) ;
crunchifyPayment . setTransactions ( crunchifyTransactions ) ;
crunchifyPayment . setRedirectUrls ( crunchifyRedirectUrls ) ;
 
// Pass the clientID, secret and mode. The easiest, and most widely used option.
APIContext crunchifyapiContext = new APIContext ( crunchifyID , crunchifySecret , executionMode ) ;
 
try {
 
Payment myPayment = crunchifyPayment . create ( crunchifyapiContext ) ;
 
System . out . println ( "createdPayment Obejct Details ==> " + myPayment . toString ( ) ) ;
 
// Identifier of the payment resource created
crunchifyPayment . setId ( myPayment . getId ( ) ) ;
 
PaymentExecution crunchifyPaymentExecution = new PaymentExecution ( ) ;
 
// Set your PayerID. The ID of the Payer, passed in the `return_url` by PayPal.
crunchifyPaymentExecution . setPayerId ( "<!---- Add your PayerID here ---->" ) ;
 
// This call will fail as user has to access Payment on UI. Programmatically
// there is no way you can get Payer's consent.
Payment createdAuthPayment = crunchifyPayment . execute ( crunchifyapiContext , crunchifyPaymentExecution ) ;
 
// Transactional details including the amount and item details.
Authorization crunchifyAuthorization = createdAuthPayment . getTransactions ( ) . get ( 0 ) . getRelatedResources ( ) . get ( 0 ) . getAuthorization ( ) ;
 
log ( "Here is your Authorization ID" + crunchifyAuthorization . getId ( ) ) ;
 
} catch ( PayPalRESTException e ) {
 
// The "standard" error output stream. This stream is already open and ready to
// accept output data.
System . err . println ( e . getDetails ( ) ) ;
}
}
 
private void log ( String string ) {
System . out . println ( string ) ;
 
}
}

Eclipse 콘솔 출력:

기본적으로 PayPal SDK는 DEBUG 모드를 활성화하므로 Eclipse 콘솔에 대한 모든 요청과 응답을 기록합니다.

자세한 정보는 DEBUG 모드를 유지하고 getAuthorization 호출의 자세한 결과를 여기에 제공했습니다.

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13 : 22 : 28.013 [ main ] DEBUG com . paypal . base . ConfigManager - sdk_config . properties not present . Skipping . . .
13 : 22 : 28.212 [ main ] DEBUG com . paypal . base . rest . OAuthTokenCredential - request header : { Authorization = Basic QVNuZG9aaEdGOEg1MFFQSWw5TGl0elhwSDVYTW16YlBwZmxJREFJOGVjUWVwdlJyWVQ4UnBfZUpNQmh1dHJVUHdaZU9CVGJUOE1GRksdfgsdfgsdfg3Q1ZLd0NzZTllRnBIZTNNNWpOR1liNHVxZ3BrNDNFVmFXR2hHNXR2Tk1na1IyZkZMUWdTUmRFY3Q3cG8 = , Accept = application / json , User - Agent = PayPalSDK / PayPal - Java - SDK 1.14.0 ( v = 11 ; vendor = Oracle Corporation ; bit = 64 ; os = Mac_OS_X 10.14.1 ) , Content - Type = application / x - www - form - urlencoded }
13 : 22 : 28.212 [ main ] DEBUG com . paypal . base . rest . OAuthTokenCredential - request body : grant_type = client_credentials
13 : 22 : 28.213 [ main ] DEBUG com . paypal . base . HttpConnection - curl command :
curl -- verbose -- request POST 'https://api.sandbox.paypal.com/v1/oauth2/token' \
  -- header "Authorization:Basic QVNuZG9aaEdGOEg1MFFQSWw5TGl0elhwSDVYTW16YlBwZmxJREFJOGVjUasdfasdflITlhSZ0xVMGhiOHhpa0M3Q1ZLd0NzZTllRnBIZTNNNWpOR1liNHVxZ3BrNDNFVmFXR2hHNXR2Tk1na1IyZkZMUWdTUmRFY3Q3cG8=" \
  -- header "Accept:application/json" \
  -- header "User-Agent:PayPalSDK/PayPal-Java-SDK 1.14.0 (v=11; vendor=Oracle Corporation; bit=64; os=Mac_OS_X 10.14.1)" \
  -- header "Content-Type:application/x-www-form-urlencoded" \
  -- data 'grant_type=client_credentials'
13 : 22 : 28.810 [ main ] DEBUG com . paypal . base . rest . OAuthTokenCredential - response header : { paypal - debug - id = [ 961e2e4122ac1 ] , null = [ HTTP / 1.1 200 OK ] , Paypal - Debug - Id = [ 961e2e4122ac1 ] , Server = [ Apache ] , Connection = [ close ] , Vary = [ Authorization ] , Set - Cookie = [ X - PP - SILOVER = ; Expires = Thu , 01 Jan 1970 00 : 00 : 01 GMT , X - PP - SILOVER = name % 3DSANDBOX3.API.1 % 26silo_version % 3D1880 % 26app % 3Dapiplatformproxyserv % 26TIME % 3D4098358363 % 26HTTP_X_PP_AZ_LOCATOR % 3Dsandbox.slc ; Expires = Mon , 26 Nov 2018 19 : 52 : 28 GMT ; domain = . paypal . com ; path =/ ; Secure ; HttpOnly ] , HTTP_X_PP_AZ_LOCATOR = [ sandbox . slc ] , Content - Length = [ 876 ] , X - PAYPAL - TOKEN - SERVICE = [ IAAS ] , Date = [ Mon , 26 Nov 2018 19 : 22 : 28 GMT ] , Content - Type = [ application / json ] }
13 : 22 : 28.810 [ main ] DEBUG com . paypal . base . rest . OAuthTokenCredential - response : { "scope" : "https://api.paypal.com/v1/payments/.* https://uri.paypal.com/services/payments/refund https://uri.paypal.com/services/applications/webhooks https://uri.paypal.com/services/payments/payment/authcapture https://uri.paypal.com/payments/payouts https://api.paypal.com/v1/vault/credit-card/.* https://uri.paypal.com/services/disputes/read-seller https://uri.paypal.com/services/subscriptions https://uri.paypal.com/services/disputes/read-buyer https://api.paypal.com/v1/vault/credit-card openid https://uri.paypal.com/services/disputes/update-seller https://uri.paypal.com/services/payments/realtimepayment" , "nonce" : "2018-11-26T19:03:03ZymZQ8MNE2MarndZEjUoxwB70puoxUA-NXqc7pUVtVxk" , "access_token" : "A21AAGyWgsdafxUM_1FCE5d9adsfuwfiOB7_4XkX3wKHWXe3nkKgt2bhadflirJsMWP9JAm-pBT2DtUJ5W0A" , "token_type" : "Bearer" , "app_id" : "APP-80W284ads543T" , "expires_in" : 31235 }
13 : 22 : 28.817 [ main ] DEBUG com . paypal . base . rest . PayPalResource - request header : { Authorization = Bearer A21AAGyWgsdafxUM_1FCE5d9adsfuwfiOB7_4XkX3wKHWXe3nkKgt2bhadflirJsMWP9JAm - pBT2DtUJ5W0A , User - Agent = PayPalSDK /   ( v = 11 ; vendor = Oracle Corporation ; bit = 64 ; os = Mac_OS_X 10.14.1 ) , PayPal - Request - Id = 74886e72 - 34e4 - 4a0 - 8cd7 - 6adsf63b5dc9 , Accept = application / json , Content - Type = application / json }
13 : 22 : 28.817 [ main ] DEBUG com . paypal . base . rest . PayPalResource - request body : {
   "intent" : "sale" ,
   "payer" : {
     "payment_method" : "paypal"
   } ,
   "transactions" : [
     {
       "amount" : {
         "currency" : "USD" ,
         "total" : "6.66" ,
         "details" : {
           "subtotal" : "3.33" ,
           "shipping" : "2.22" ,
           "tax" : "1.11"
         }
       } ,
       "description" : "Crunchify Tutorial: How to Invoke PayPal REST API using Java Client?"
     }
   ] ,
   "redirect_urls" : {
     "return_url" : "http://localhost:3000/crunchifyReturn" ,
     "cancel_url" : "http://localhost:3000/crunchifyCancel"
   }
}
13 : 22 : 28.818 [ main ] DEBUG com . paypal . base . HttpConnection - curl command :
curl -- verbose -- request POST 'https://api.sandbox.paypal.com/v1/payments/payment' \
  -- header "Authorization:Bearer A21AAGyWgsdafxUM_1FCE5d9adsfuwfiOB7_4XkX3wKHWXe3nkKgt2bhadflirJsMWP9JAm-pBT2DtUJ5W0A" \
  -- header "User-Agent:PayPalSDK/  (v=11; vendor=Oracle Corporation; bit=64; os=Mac_OS_X 10.14.1)" \
  -- header "PayPal-Request-Id:74886e72-34e4-4a70-8cd7-605cd63b5dc9" \
  -- header "Accept:application/json" \
  -- header "Content-Type:application/json" \
  -- data '{
  "intent": "sale",
  "payer": {
    "payment_method": "paypal"
  },
  "transactions": [
    {
      "amount": {
        "currency": "USD",
        "total": "6.66",
        "details": {
          "subtotal": "3.33",
          "shipping": "2.22",
          "tax": "1.11"
        }
      },
      "description": "Crunchify Tutorial: How to Invoke PayPal REST API using Java Client?"
    }
  ],
  "redirect_urls": {
    "return_url": "http://localhost:3000/crunchifyReturn",
    "cancel_url": "http://localhost:3000/crunchifyCancel"
  }
}'
13 : 22 : 33.407 [ main ] DEBUG com . paypal . base . rest . PayPalResource - response : { "id" : "PAY-25A74012S3552184CLP6EP6A" , "intent" : "sale" , "state" : "created" , "payer" : { "payment_method" : "paypal" } , "transactions" : [ { "amount" : { "total" : "6.66" , "currency" : "USD" , "details" : { "subtotal" : "3.33" , "tax" : "1.11" , "shipping" : "2.22" } } , "description" : "Crunchify Tutorial: How to Invoke PayPal REST API using Java Client?" , "related_resources" : [ ] } ] , "create_time" : "2018-11-26T19:22:32Z" , "links" : [ { "href" : "https://api.sandbox.paypal.com/v1/payments/payment/PAY-25A74012S3552184CLP6EP6A" , "rel" : "self" , "method" : "GET" } , { "href" : "https://www.sandbox.paypal.com/cgi-bin/webscr?cmd=_express-checkout&token=EC-9C691969F1033220V" , "rel" : "approval_url" , "method" : "REDIRECT" } , { "href" : "https://api.sandbox.paypal.com/v1/payments/payment/PAY-25A74012S3552184CLP6EP6A/execute" , "rel" : "execute" , "method" : "POST" } ] }
createdPayment Obejct Details == > {
   "id" : "PAY-25A74012S3552184CLP6EP6A" ,
   "intent" : "sale" ,
   "payer" : {
     "payment_method" : "paypal"
   } ,
   "transactions" : [
     {
       "related_resources" : [ ] ,
       "amount" : {
         "currency" : "USD" ,
         "total" : "6.66" ,
         "details" : {
           "subtotal" : "3.33" ,
           "shipping" : "2.22" ,
           "tax" : "1.11"
         }
       } ,
       "description" : "How to Invoke PayPal REST API using Java Client?"
     }
   ] ,
   "state" : "created" ,
   "create_time" : "2018-11-26T19:22:32Z" ,
   "links" : [
     {
       "href" : "https://api.sandbox.paypal.com/v1/payments/payment/PAY-25A74012S3552184CLP6EP6A" ,
       "rel" : "self" ,
       "method" : "GET"
     } ,
     {
       "href" : "https://www.sandbox.paypal.com/cgi-bin/webscr?cmd\u003d_express-checkout\u0026token\u003dEC-9C691969F1033220V" ,
       "rel" : "approval_url" ,
       "method" : "REDIRECT"
     } ,
     {
       "href" : "https://api.sandbox.paypal.com/v1/payments/payment/PAY-25A74012S3552184CLP6EP6A/execute" ,
       "rel" : "execute" ,
       "method" : "POST"
     }
   ]
}
13 : 22 : 33.414 [ main ] DEBUG com . paypal . base . rest . PayPalResource - request header : { Authorization = Bearer A21AAGyWgkMoxUM_1FCE5d948J5SAxIuwfiOB7_4XkX3wKHWXe3nkKgt2bhtXISnazHlE9yzlirJsMWP9JAm - pBT2DtUJ5W0A , User - Agent = PayPalSDK /   ( v = 11 ; vendor = Oracle Corporation ; bit = 64 ; os = Mac_OS_X 10.14.1 ) , PayPal - Request - Id = e47412c8 - 2c1f - 4505 - b1a3 - 7b4723eb99f4 , Accept = application / json , Content - Type = application / json }
13 : 22 : 33.415 [ main ] DEBUG com . paypal . base . rest . PayPalResource - request body : {
   "payer_id" : "1Z232AMNN"
}
13 : 22 : 33.415 [ main ] DEBUG com . paypal . base . HttpConnection - curl command :
curl -- verbose -- request POST 'https://api.sandbox.paypal.com/v1/payments/payment/PAY-25A74012S3552184CLP6EP6A/execute' \
  -- header "Authorization:Bearer A21AAGyWgsdafxUM_1FCE5d9adsfuwfiOB7_4XkX3wKHWXe3nkKgt2bhadflirJsMWP9JAm-pBT2DtUJ5W0A" \
  -- header "User-Agent:PayPalSDK/  (v=11; vendor=Oracle Corporation; bit=64; os=Mac_OS_X 10.14.1)" \
  -- header "PayPal-Request-Id:eadf412c8-2c1f-4505-b1a3-7basdaf99f4" \
  -- header "Accept:application/json" \
  -- header "Content-Type:application/json" \
  -- data '{
  "payer_id": "1Z232AMNN"
}'
13 : 22 : 34.016 [ main ] ERROR com . paypal . base . HttpConnection - Response code : 400 Error response : { "name" : "PAYMENT_NOT_APPROVED_FOR_EXECUTION" , "message" : "Payer has not approved payment" , "information_link" : "https://developer.paypal.com/docs/api/payments/#errors" , "debug_id" : "113d5208bf8d3" }
name : PAYMENT_NOT_APPROVED_FOR_EXECUTION message : Payer has not approved payment details : null debug - id : 113d5208bf8d3 information - link : https : //developer.paypal.com/docs/api/payments/#errors

같은 방식으로 다음 튜토리얼에서 돈을 회수하고, refund money 하고, 지불인의 계정에 void any authorization how to capture money 에 대한 자세한 내용을 제공합니다.