หน้านี้ได้รับการแปลโดย Cloud Translation API

การทำงานกับ JSON Web Token (JWT)

JSON Web Tokens เป็นมาตรฐานอุตสาหกรรมที่ใช้กันโดยทั่วไปสำหรับการโอนข้อมูลเป็นออบเจ็กต์ JSON อย่างปลอดภัย เมื่อใช้ Google Wallet API คุณจะต้องเข้ารหัสรายละเอียดของออบเจ็กต์บัตรที่ต้องการใช้สร้างอินสแตนซ์บัตรในรูปแบบ JWT (อ่านว่า "jot") แล้วส่ง JWT นั้นในคำขอไปยัง Google Wallet API

JWT จะได้รับการรักษาความปลอดภัยโดยการลงนามด้วยข้อมูลลับที่ใช้ร่วมกันก่อนที่จะส่งไปยัง Google Wallet API หากคุณใช้ Google Wallet REST API ข้อมูลลับในการลงชื่อเข้าใช้คือคีย์บัญชีบริการ Google Cloud หากคุณใช้ Google Wallet Android SDK ข้อมูลลับในการรับรองคือลายนิ้วมือ SHA-1 สำหรับแอป Android

เข้ารหัสบัตรใน JWT

เมื่อสร้าง GenericObject แล้ว ให้รวม JWT ที่ไม่มีการรับรองด้วยแอตทริบิวต์ payload.GenericObjects ดังที่แสดงในข้อมูลโค้ดต่อไปนี้

JSON

{
  "iss": "OWNER_EMAIL_ADDRESS",
  "aud": "google",
  "typ": "savetowallet",
  "iat": "UNIX_TIME",
  "origins": [],
  "payload": {
      "genericObjects": [ NEW_OBJECT ]
  }
}

ดูข้อมูลเพิ่มเติมเกี่ยวกับรูปแบบที่ต้องการของ JWT ได้ที่ข้อมูลอ้างอิงของ JWT

ลงนามใน JWT

เว็บ อีเมล และ SMS

JWT ต้องลงนามโดยใช้คีย์บัญชีบริการที่เชื่อมโยงกับบัญชีบริการ Google Cloud ที่คุณให้สิทธิ์ในคอนโซลธุรกิจของ Google Wallet Google Wallet API จะตรวจสอบการอ้างสิทธิ์เหล่านี้ด้วยการยืนยันลายเซ็น JWT

การลงนามใน JWT จะสร้างโทเค็นที่นำไปใช้สร้าง "Add to Google Wallet" ได้ ลิงก์ที่ใช้ออกบัตรให้กับผู้ใช้ได้

Java

หากต้องการเริ่มการผสานรวมของคุณใน Java โปรดดู ตัวอย่างโค้ดใน GitHub

/**
 * Generate a signed JWT that creates a new pass class and object.
 *
 * <p>When the user opens the "Add to Google Wallet" URL and saves the pass to their wallet, the
 * pass class and object defined in the JWT are created. This allows you to create multiple pass
 * classes and objects in one API call when the user saves the pass to their wallet.
 *
 * @param issuerId The issuer ID being used for this request.
 * @param classSuffix Developer-defined unique ID for this pass class.
 * @param objectSuffix Developer-defined unique ID for the pass object.
 * @return An "Add to Google Wallet" link.
 */
public String createJWTNewObjects(String issuerId, String classSuffix, String objectSuffix) {
  // See link below for more information on required properties
  // https://developers.google.com/wallet/generic/rest/v1/genericclass
  GenericClass newClass = new GenericClass().setId(String.format("%s.%s", issuerId, classSuffix));

  // See link below for more information on required properties
  // https://developers.google.com/wallet/generic/rest/v1/genericobject
  GenericObject newObject =
      new GenericObject()
          .setId(String.format("%s.%s", issuerId, objectSuffix))
          .setClassId(String.format("%s.%s", issuerId, classSuffix))
          .setState("ACTIVE")
          .setHeroImage(
              new Image()
                  .setSourceUri(
                      new ImageUri()
                          .setUri(
                              "https://farm4.staticflickr.com/3723/11177041115_6e6a3b6f49_o.jpg"))
                  .setContentDescription(
                      new LocalizedString()
                          .setDefaultValue(
                              new TranslatedString()
                                  .setLanguage("en-US")
                                  .setValue("Hero image description"))))
          .setTextModulesData(
                  List.of(
                          new TextModuleData()
                                  .setHeader("Text module header")
                                  .setBody("Text module body")
                                  .setId("TEXT_MODULE_ID")))
          .setLinksModuleData(
              new LinksModuleData()
                  .setUris(
                      Arrays.asList(
                          new Uri()
                              .setUri("http://maps.google.com/")
                              .setDescription("Link module URI description")
                              .setId("LINK_MODULE_URI_ID"),
                          new Uri()
                              .setUri("tel:6505555555")
                              .setDescription("Link module tel description")
                              .setId("LINK_MODULE_TEL_ID"))))
          .setImageModulesData(
                  List.of(
                          new ImageModuleData()
                                  .setMainImage(
                                          new Image()
                                                  .setSourceUri(
                                                          new ImageUri()
                                                                  .setUri(
                                                                          "http://farm4.staticflickr.com/3738/12440799783_3dc3c20606_b.jpg"))
                                                  .setContentDescription(
                                                          new LocalizedString()
                                                                  .setDefaultValue(
                                                                          new TranslatedString()
                                                                                  .setLanguage("en-US")
                                                                                  .setValue("Image module description"))))
                                  .setId("IMAGE_MODULE_ID")))
          .setBarcode(new Barcode().setType("QR_CODE").setValue("QR code value"))
          .setCardTitle(
              new LocalizedString()
                  .setDefaultValue(
                      new TranslatedString().setLanguage("en-US").setValue("Generic card title")))
          .setHeader(
              new LocalizedString()
                  .setDefaultValue(
                      new TranslatedString().setLanguage("en-US").setValue("Generic header")))
          .setHexBackgroundColor("#4285f4")
          .setLogo(
              new Image()
                  .setSourceUri(
                      new ImageUri()
                          .setUri(
                              "https://storage.googleapis.com/wallet-lab-tools-codelab-artifacts-public/pass_google_logo.jpg"))
                  .setContentDescription(
                      new LocalizedString()
                          .setDefaultValue(
                              new TranslatedString()
                                  .setLanguage("en-US")
                                  .setValue("Generic card logo"))));

  // Create the JWT as a HashMap object
  HashMap<String, Object> claims = new HashMap<String, Object>();
  claims.put("iss", ((ServiceAccountCredentials) credentials).getClientEmail());
  claims.put("aud", "google");
  claims.put("origins", List.of("www.example.com"));
  claims.put("typ", "savetowallet");

  // Create the Google Wallet payload and add to the JWT
  HashMap<String, Object> payload = new HashMap<String, Object>();
  payload.put("genericClasses", List.of(newClass));
  payload.put("genericObjects", List.of(newObject));
  claims.put("payload", payload);

  // The service account credentials are used to sign the JWT
  Algorithm algorithm =
      Algorithm.RSA256(
          null, (RSAPrivateKey) ((ServiceAccountCredentials) credentials).getPrivateKey());
  String token = JWT.create().withPayload(claims).sign(algorithm);

  System.out.println("Add to Google Wallet link");
  System.out.printf("https://pay.google.com/gp/v/save/%s%n", token);

  return String.format("https://pay.google.com/gp/v/save/%s", token);
}

PHP

หากต้องการเริ่มการผสานรวมใน PHP โปรดดู ตัวอย่างโค้ดใน GitHub

/**
 * Generate a signed JWT that creates a new pass class and object.
 *
 * When the user opens the "Add to Google Wallet" URL and saves the pass to
 * their wallet, the pass class and object defined in the JWT are
 * created. This allows you to create multiple pass classes and objects in
 * one API call when the user saves the pass to their wallet.
 *
 * @param string $issuerId The issuer ID being used for this request.
 * @param string $classSuffix Developer-defined unique ID for the pass class.
 * @param string $objectSuffix Developer-defined unique ID for the pass object.
 *
 * @return string An "Add to Google Wallet" link.
 */
public function createJwtNewObjects(string $issuerId, string $classSuffix, string $objectSuffix)
{
  // See link below for more information on required properties
  // https://developers.google.com/wallet/generic/rest/v1/genericclass
  $newClass = new GenericClass([
    'id' => "{$issuerId}.{$classSuffix}",
  ]);

  // See link below for more information on required properties
  // https://developers.google.com/wallet/generic/rest/v1/genericobject
  $newObject = new GenericObject([
    'id' => "{$issuerId}.{$objectSuffix}",
    'classId' => "{$issuerId}.{$classSuffix}",
    'state' => 'ACTIVE',
    'heroImage' => new Image([
      'sourceUri' => new ImageUri([
        'uri' => 'https://farm4.staticflickr.com/3723/11177041115_6e6a3b6f49_o.jpg'
      ]),
      'contentDescription' => new LocalizedString([
        'defaultValue' => new TranslatedString([
          'language' => 'en-US',
          'value' => 'Hero image description'
        ])
      ])
    ]),
    'textModulesData' => [
      new TextModuleData([
        'header' => 'Text module header',
        'body' => 'Text module body',
        'id' => 'TEXT_MODULE_ID'
      ])
    ],
    'linksModuleData' => new LinksModuleData([
      'uris' => [
        new Uri([
          'uri' => 'http://maps.google.com/',
          'description' => 'Link module URI description',
          'id' => 'LINK_MODULE_URI_ID'
        ]),
        new Uri([
          'uri' => 'tel:6505555555',
          'description' => 'Link module tel description',
          'id' => 'LINK_MODULE_TEL_ID'
        ])
      ]
    ]),
    'imageModulesData' => [
      new ImageModuleData([
        'mainImage' => new Image([
          'sourceUri' => new ImageUri([
            'uri' => 'http://farm4.staticflickr.com/3738/12440799783_3dc3c20606_b.jpg'
          ]),
          'contentDescription' => new LocalizedString([
            'defaultValue' => new TranslatedString([
              'language' => 'en-US',
              'value' => 'Image module description'
            ])
          ])
        ]),
        'id' => 'IMAGE_MODULE_ID'
      ])
    ],
    'barcode' => new Barcode([
      'type' => 'QR_CODE',
      'value' => 'QR code value'
    ]),
    'cardTitle' => new LocalizedString([
      'defaultValue' => new TranslatedString([
        'language' => 'en-US',
        'value' => 'Generic card title'
      ])
    ]),
    'header' => new LocalizedString([
      'defaultValue' => new TranslatedString([
        'language' => 'en-US',
        'value' => 'Generic header'
      ])
    ]),
    'hexBackgroundColor' => '#4285f4',
    'logo' => new Image([
      'sourceUri' => new ImageUri([
        'uri' => 'https://storage.googleapis.com/wallet-lab-tools-codelab-artifacts-public/pass_google_logo.jpg'
      ]),
      'contentDescription' => new LocalizedString([
        'defaultValue' => new TranslatedString([
          'language' => 'en-US',
          'value' => 'Generic card logo'
        ])
      ])
    ])
  ]);

  // The service account credentials are used to sign the JWT
  $serviceAccount = json_decode(file_get_contents($this->keyFilePath), true);

  // Create the JWT as an array of key/value pairs
  $claims = [
    'iss' => $serviceAccount['client_email'],
    'aud' => 'google',
    'origins' => ['www.example.com'],
    'typ' => 'savetowallet',
    'payload' => [
      'genericClasses' => [
        $newClass
      ],
      'genericObjects' => [
        $newObject
      ]
    ]
  ];

  $token = JWT::encode(
    $claims,
    $serviceAccount['private_key'],
    'RS256'
  );

  print "Add to Google Wallet link\n";
  print "https://pay.google.com/gp/v/save/{$token}";

  return "https://pay.google.com/gp/v/save/{$token}";
}

Python

หากต้องการเริ่มการผสานรวมใน Python โปรดดู ตัวอย่างโค้ดใน GitHub

def create_jwt_new_objects(self, issuer_id: str, class_suffix: str,
                           object_suffix: str) -> str:
    """Generate a signed JWT that creates a new pass class and object.

    When the user opens the "Add to Google Wallet" URL and saves the pass to
    their wallet, the pass class and object defined in the JWT are
    created. This allows you to create multiple pass classes and objects in
    one API call when the user saves the pass to their wallet.

    Args:
        issuer_id (str): The issuer ID being used for this request.
        class_suffix (str): Developer-defined unique ID for the pass class.
        object_suffix (str): Developer-defined unique ID for the pass object.

    Returns:
        An "Add to Google Wallet" link.
    """

    # See link below for more information on required properties
    # https://developers.google.com/wallet/generic/rest/v1/genericclass
    new_class = {'id': f'{issuer_id}.{class_suffix}'}

    # See link below for more information on required properties
    # https://developers.google.com/wallet/generic/rest/v1/genericobject
    new_object = {
        'id': f'{issuer_id}.{object_suffix}',
        'classId': f'{issuer_id}.{class_suffix}',
        'state': 'ACTIVE',
        'heroImage': {
            'sourceUri': {
                'uri':
                    'https://farm4.staticflickr.com/3723/11177041115_6e6a3b6f49_o.jpg'
            },
            'contentDescription': {
                'defaultValue': {
                    'language': 'en-US',
                    'value': 'Hero image description'
                }
            }
        },
        'textModulesData': [{
            'header': 'Text module header',
            'body': 'Text module body',
            'id': 'TEXT_MODULE_ID'
        }],
        'linksModuleData': {
            'uris': [{
                'uri': 'http://maps.google.com/',
                'description': 'Link module URI description',
                'id': 'LINK_MODULE_URI_ID'
            }, {
                'uri': 'tel:6505555555',
                'description': 'Link module tel description',
                'id': 'LINK_MODULE_TEL_ID'
            }]
        },
        'imageModulesData': [{
            'mainImage': {
                'sourceUri': {
                    'uri':
                        'http://farm4.staticflickr.com/3738/12440799783_3dc3c20606_b.jpg'
                },
                'contentDescription': {
                    'defaultValue': {
                        'language': 'en-US',
                        'value': 'Image module description'
                    }
                }
            },
            'id': 'IMAGE_MODULE_ID'
        }],
        'barcode': {
            'type': 'QR_CODE',
            'value': 'QR code'
        },
        'cardTitle': {
            'defaultValue': {
                'language': 'en-US',
                'value': 'Generic card title'
            }
        },
        'header': {
            'defaultValue': {
                'language': 'en-US',
                'value': 'Generic header'
            }
        },
        'hexBackgroundColor': '#4285f4',
        'logo': {
            'sourceUri': {
                'uri':
                    'https://storage.googleapis.com/wallet-lab-tools-codelab-artifacts-public/pass_google_logo.jpg'
            },
            'contentDescription': {
                'defaultValue': {
                    'language': 'en-US',
                    'value': 'Generic card logo'
                }
            }
        }
    }

    # Create the JWT claims
    claims = {
        'iss': self.credentials.service_account_email,
        'aud': 'google',
        'origins': ['www.example.com'],
        'typ': 'savetowallet',
        'payload': {
            # The listed classes and objects will be created
            'genericClasses': [new_class],
            'genericObjects': [new_object]
        }
    }

    # The service account credentials are used to sign the JWT
    signer = crypt.RSASigner.from_service_account_file(self.key_file_path)
    token = jwt.encode(signer, claims).decode('utf-8')

    print('Add to Google Wallet link')
    print(f'https://pay.google.com/gp/v/save/{token}')

    return f'https://pay.google.com/gp/v/save/{token}'

C#

หากต้องการเริ่มการผสานรวมใน C# โปรดดู ตัวอย่างโค้ดใน GitHub

/// <summary>
/// Generate a signed JWT that creates a new pass class and object.
/// <para />
/// When the user opens the "Add to Google Wallet" URL and saves the pass to
/// their wallet, the pass class and object defined in the JWT are created.
/// This allows you to create multiple pass classes and objects in one API
/// call when the user saves the pass to their wallet.
/// <para />
/// The Google Wallet C# library uses Newtonsoft.Json.JsonPropertyAttribute
/// to specify the property names when converting objects to JSON. The
/// Newtonsoft.Json.JsonConvert.SerializeObject method will automatically
/// serialize the object with the right property names.
/// </summary>
/// <param name="issuerId">The issuer ID being used for this request.</param>
/// <param name="classSuffix">Developer-defined unique ID for this pass class.</param>
/// <param name="objectSuffix">Developer-defined unique ID for the pass object.</param>
/// <returns>An "Add to Google Wallet" link.</returns>
public string CreateJWTNewObjects(string issuerId, string classSuffix, string objectSuffix)
{
  // Ignore null values when serializing to/from JSON
  JsonSerializerSettings excludeNulls = new JsonSerializerSettings()
  {
    NullValueHandling = NullValueHandling.Ignore
  };

  // See link below for more information on required properties
  // https://developers.google.com/wallet/generic/rest/v1/genericclass
  GenericClass newClass = new GenericClass
  {
    Id = $"{issuerId}.{classSuffix}"
  };

  // See link below for more information on required properties
  // https://developers.google.com/wallet/generic/rest/v1/genericobject
  GenericObject newObject = new GenericObject
  {
    Id = $"{issuerId}.{objectSuffix}",
    ClassId = $"{issuerId}.{classSuffix}",
    State = "ACTIVE",
    HeroImage = new Image
    {
      SourceUri = new ImageUri
      {
        Uri = "https://farm4.staticflickr.com/3723/11177041115_6e6a3b6f49_o.jpg"
      },
      ContentDescription = new LocalizedString
      {
        DefaultValue = new TranslatedString
        {
          Language = "en-US",
          Value = "Hero image description"
        }
      }
    },
    TextModulesData = new List<TextModuleData>
      {
        new TextModuleData
        {
          Header = "Text module header",
          Body = "Text module body",
          Id = "TEXT_MODULE_ID"
        }
      },
    LinksModuleData = new LinksModuleData
    {
      Uris = new List<Google.Apis.Walletobjects.v1.Data.Uri>
        {
          new Google.Apis.Walletobjects.v1.Data.Uri
          {
            UriValue = "http://maps.google.com/",
            Description = "Link module URI description",
            Id = "LINK_MODULE_URI_ID"
          },
          new Google.Apis.Walletobjects.v1.Data.Uri
          {
            UriValue = "tel:6505555555",
            Description = "Link module tel description",
            Id = "LINK_MODULE_TEL_ID"
          }
        }
    },
    ImageModulesData = new List<ImageModuleData>
      {
        new ImageModuleData
        {
          MainImage = new Image
          {
            SourceUri = new ImageUri
            {
              Uri = "http://farm4.staticflickr.com/3738/12440799783_3dc3c20606_b.jpg"
            },
            ContentDescription = new LocalizedString
            {
              DefaultValue = new TranslatedString
              {
                Language = "en-US",
                Value = "Image module description"
              }
            }
          },
          Id = "IMAGE_MODULE_ID"
        }
      },
    Barcode = new Barcode
    {
      Type = "QR_CODE",
      Value = "QR code"
    },
    CardTitle = new LocalizedString
    {
      DefaultValue = new TranslatedString
      {
        Language = "en-US",
        Value = "Generic card title"
      }
    },
    Header = new LocalizedString
    {
      DefaultValue = new TranslatedString
      {
        Language = "en-US",
        Value = "Generic header"
      }
    },
    HexBackgroundColor = "#4285f4",
    Logo = new Image
    {
      SourceUri = new ImageUri
      {
        Uri = "https://storage.googleapis.com/wallet-lab-tools-codelab-artifacts-public/pass_google_logo.jpg"
      },
      ContentDescription = new LocalizedString
      {
        DefaultValue = new TranslatedString
        {
          Language = "en-US",
          Value = "Generic card logo"
        }
      },
    }
  };

  // Create JSON representations of the class and object
  JObject serializedClass = JObject.Parse(
      JsonConvert.SerializeObject(newClass, excludeNulls));
  JObject serializedObject = JObject.Parse(
      JsonConvert.SerializeObject(newObject, excludeNulls));

  // Create the JWT as a JSON object
  JObject jwtPayload = JObject.Parse(JsonConvert.SerializeObject(new
  {
    iss = credentials.Id,
    aud = "google",
    origins = new List<string>
    {
      "www.example.com"
    },
    typ = "savetowallet",
    payload = JObject.Parse(JsonConvert.SerializeObject(new
    {
      // The listed classes and objects will be created
      // when the user saves the pass to their wallet
      genericClasses = new List<JObject>
      {
        serializedClass
      },
      genericObjects = new List<JObject>
      {
        serializedObject
      }
    }))
  }));

  // Deserialize into a JwtPayload
  JwtPayload claims = JwtPayload.Deserialize(jwtPayload.ToString());

  // The service account credentials are used to sign the JWT
  RsaSecurityKey key = new RsaSecurityKey(credentials.Key);
  SigningCredentials signingCredentials = new SigningCredentials(
      key, SecurityAlgorithms.RsaSha256);
  JwtSecurityToken jwt = new JwtSecurityToken(
      new JwtHeader(signingCredentials), claims);
  string token = new JwtSecurityTokenHandler().WriteToken(jwt);

  Console.WriteLine("Add to Google Wallet link");
  Console.WriteLine($"https://pay.google.com/gp/v/save/{token}");

  return $"https://pay.google.com/gp/v/save/{token}";
}

Node.js

หากต้องการเริ่มการผสานรวมในโหนด โปรดดู ตัวอย่างโค้ดใน GitHub

/**
 * Generate a signed JWT that creates a new pass class and object.
 *
 * When the user opens the "Add to Google Wallet" URL and saves the pass to
 * their wallet, the pass class and object defined in the JWT are
 * created. This allows you to create multiple pass classes and objects in
 * one API call when the user saves the pass to their wallet.
 *
 * @param {string} issuerId The issuer ID being used for this request.
 * @param {string} classSuffix Developer-defined unique ID for the pass class.
 * @param {string} objectSuffix Developer-defined unique ID for the pass object.
 *
 * @returns {string} An "Add to Google Wallet" link.
 */
createJwtNewObjects(issuerId, classSuffix, objectSuffix) {
  // See link below for more information on required properties
  // https://developers.google.com/wallet/generic/rest/v1/genericclass
  let newClass = {
    'id': `${issuerId}.${classSuffix}`
  };

  // See link below for more information on required properties
  // https://developers.google.com/wallet/generic/rest/v1/genericobject
  let newObject = {
    'id': `${issuerId}.${objectSuffix}`,
    'classId': `${issuerId}.${classSuffix}`,
    'state': 'ACTIVE',
    'heroImage': {
      'sourceUri': {
        'uri': 'https://farm4.staticflickr.com/3723/11177041115_6e6a3b6f49_o.jpg'
      },
      'contentDescription': {
        'defaultValue': {
          'language': 'en-US',
          'value': 'Hero image description'
        }
      }
    },
    'textModulesData': [
      {
        'header': 'Text module header',
        'body': 'Text module body',
        'id': 'TEXT_MODULE_ID'
      }
    ],
    'linksModuleData': {
      'uris': [
        {
          'uri': 'http://maps.google.com/',
          'description': 'Link module URI description',
          'id': 'LINK_MODULE_URI_ID'
        },
        {
          'uri': 'tel:6505555555',
          'description': 'Link module tel description',
          'id': 'LINK_MODULE_TEL_ID'
        }
      ]
    },
    'imageModulesData': [
      {
        'mainImage': {
          'sourceUri': {
            'uri': 'http://farm4.staticflickr.com/3738/12440799783_3dc3c20606_b.jpg'
          },
          'contentDescription': {
            'defaultValue': {
              'language': 'en-US',
              'value': 'Image module description'
            }
          }
        },
        'id': 'IMAGE_MODULE_ID'
      }
    ],
    'barcode': {
      'type': 'QR_CODE',
      'value': 'QR code'
    },
    'cardTitle': {
      'defaultValue': {
        'language': 'en-US',
        'value': 'Generic card title'
      }
    },
    'header': {
      'defaultValue': {
        'language': 'en-US',
        'value': 'Generic header'
      }
    },
    'hexBackgroundColor': '#4285f4',
    'logo': {
      'sourceUri': {
        'uri': 'https://storage.googleapis.com/wallet-lab-tools-codelab-artifacts-public/pass_google_logo.jpg'
      },
      'contentDescription': {
        'defaultValue': {
          'language': 'en-US',
          'value': 'Generic card logo'
        }
      }
    }
  };

  // Create the JWT claims
  let claims = {
    iss: this.credentials.client_email,
    aud: 'google',
    origins: ['www.example.com'],
    typ: 'savetowallet',
    payload: {
      // The listed classes and objects will be created
      genericClasses: [newClass],
      genericObjects: [newObject]
    },
  };

  // The service account credentials are used to sign the JWT
  let token = jwt.sign(claims, this.credentials.private_key, { algorithm: 'RS256' });

  console.log('Add to Google Wallet link');
  console.log(`https://pay.google.com/gp/v/save/${token}`);

  return `https://pay.google.com/gp/v/save/${token}`;
}

Go

หากต้องการเริ่มการผสานรวมใน Go ให้ดูตัวอย่างโค้ดทั้งหมดใน GitHub ตัวอย่างโค้ดใน GitHub

// Generate a signed JWT that creates a new pass class and object.
//
// When the user opens the "Add to Google Wallet" URL and saves the pass to
// their wallet, the pass class and object defined in the JWT are
// created. This allows you to create multiple pass classes and objects in
// one API call when the user saves the pass to their wallet.
func (d *demoGeneric) createJwtNewObjects(issuerId, classSuffix, objectSuffix string) {
	genericObject := new(walletobjects.GenericObject)
	genericObject.Id = fmt.Sprintf("%s.%s", issuerId, objectSuffix)
	genericObject.ClassId = fmt.Sprintf("%s.%s", issuerId, classSuffix)
	genericObject.State = "ACTIVE"
	genericObject.Barcode = &walletobjects.Barcode{
		Type:  "QR_CODE",
		Value: "QR code",
	}
	genericObject.CardTitle = &walletobjects.LocalizedString{
		DefaultValue: &walletobjects.TranslatedString{
			Language: "en-us",
			Value:    "Card title",
		},
	}
	genericObject.Header = &walletobjects.LocalizedString{
		DefaultValue: &walletobjects.TranslatedString{
			Language: "en-us",
			Value:    "Header",
		},
	}

	genericJson, _ := json.Marshal(genericObject)
	var payload map[string]any
	json.Unmarshal([]byte(fmt.Sprintf(`
	{
		"genericObjects": [%s]
	}
	`, genericJson)), &payload)
	claims := jwt.MapClaims{
		"iss":     d.credentials.Email,
		"aud":     "google",
		"origins": []string{"www.example.com"},
		"typ":     "savetowallet",
		"payload": payload,
	}

	// The service account credentials are used to sign the JWT
	key, _ := jwt.ParseRSAPrivateKeyFromPEM(d.credentials.PrivateKey)
	token, _ := jwt.NewWithClaims(jwt.SigningMethodRS256, claims).SignedString(key)

	fmt.Println("Add to Google Wallet link")
	fmt.Println("https://pay.google.com/gp/v/save/" + token)
}

แอป Android

เมื่อมีการเรียกใช้เมธอด savePasses เพื่อออกบัตรให้กับผู้ใช้ Google Wallet Android SDK จะลงนาม JWT โดยอัตโนมัติด้วยลายนิ้วมือ SHA-1 ของคีย์ App Signing ที่คุณระบุไว้ใน Google Wallet Business Console หรือคุณอาจออกบัตรโดยใช้ JWT ที่ลงนามไว้ก่อนหน้านี้โดยใช้เมธอด savePassesJwt ของ Android SDK ก็ได้

ดูข้อมูลเพิ่มเติมได้ที่การออกบัตรด้วย Android SDK