OCR Harmony SDK 接入

"requestPermissions": [
  {
    "name": "ohos.permission.INTERNET",
    "reason": "$string:reason_internet",
    "usedScene": {
      "abilities": [
        "FormAbility"
      ],
      "when": "always"
    }
  },
  {
    "name": "ohos.permission.CAMERA",
    "reason": "$string:reason_camera",
    "usedScene": {
      "abilities": [
        "FormAbility"
      ],
      "when": "inuse"
    }
  }
]


export enum CardType {
  idCard,
  idCardFrontSide,
  idCardBackSide,
  bankCard,
  vehicleLicenseHomePage,
  vehicleLicenseSecondaryPage,
  driverLicense,
}

startOCRService 的源代码如下。

startOCRService(type: CardType) {
  let service = WBOCRService.getInstance()
  let param = new OCRParam()
  let signTool = new SignTool()
  signTool.getSign().then((data) => {
    console.log(data);
    this.prompt = `sign：${data}`
    param.appId = signTool.appid
    param.orderNo = signTool.randomString(12)
    param.nonce = signTool.nonce
    param.userId = signTool.userid
    param.sign = data
    param.sdkType = type;

    service.init(param, {
      onSuccess: () => {
        console.log('SDK 初始化成功 - 调用 start 接口')
        service.startService({
          onSuccess: (res: object) => {
            console.log('SDK 识别成功')
            console.log(JSON.stringify(res))
            this.prompt = JSON.stringify(res)
          },
          onFailure: (error: OCRError) => {
            console.error('SDK 识别失败！')
            console.error(JSON.stringify(error))
            this.prompt = JSON.stringify(error)
          }
        })
      },
      onFailure: (error: OCRError) => {
        console.log('SDK 初始化失败！')
        console.log(JSON.stringify(error))
        this.prompt = JSON.stringify(error)
      }
    })
  }).catch((e: BusinessError) => {
    console.error(`err:${e.code},${e.message},${e.name}`)
    this.prompt = `err:${e.code},${e.message},${e.name}`
  })
}



/*
 * @brief WBIDCardInfoModel类封装了身份证的正反面信息
 *        SDK会将识别结果包装成一个WBIDCardInfoModel实例，通过回调block通知第三方

 * @detail 字段含义
 - idcard        公民身份号码
 - name          姓名
 - sex           性别
 - nation        民族
 - address       住址
 - birth         出生
 - authority     签发机关
 - validDate     有效期限
 - frontFullImg  国徽面截图
 - backFullImg   人像面截图
 - warning       识别结果警告信息
 - multiWarning  多重告警码，人像面是frontMultiWarning，国徽面对应backMultiWarning
 - clarity       图片清晰度，人像面是frontClarity，国徽面对应backClarity
 */

export class IDCardModel extends KYCOCRBaseModel {
  /// 身份证人像面信息
  idcard = ''
  name = ''
  sex = ''
  nation = ''
  address = ''
  birth = ''
  /// 身份证国徽面信息
  authority = ''
  validDate = ''
  /// 人像面/国徽面识别结果截图信息
  frontFullImg = ''
  backFullImg = ''
  frontCode = ''
  frontMsg = ''
  backCode = ''
  backMsg = ''
  /// warning，人像面/国徽面识别结果对应的警告信息
  frontWarning = ''
  frontMultiWarning = ''
  backWarning = ''
  backMultiWarning = ''
  frontClarity = ''
  backClarity = ''
  /// 人像面/国徽面识别视频 URL
  frontVideoURL = ''
  backVideoURL = ''
  /// 人像面/国徽面切边图 base64 编码字符串
  frontCrop = ''
  backCrop = ''
}

export { KYCOCRBaseModel }