- Release Notes and Announcements
- Product Introduction
- About Platform Prerequisites
- Guidelines for Code Integration
- Get Demo and SDK
- Accessing via Android Devices
- Accessing via iOS Devices
- Guide to Mini Program Development
- Mini program introduction and development environment
- Mini program code composition
- Framework
- API
- API Overview
- Fundamentals
- Routing
- Redirect
- Forwarding
- Interface
- Network
- Data Caching
- Data Analysis
- canvas
- Media
- WXML
- File
- Device
- Contact person
- Vibration
- Battery Level
- Screen
- Memory
- Device Orientation
- Accessibility
- Network
- Keyboard
- Phone number
- Accelerometer
- Compass
- Gyroscope
- SMS
- Code scanning
- Encryption
- NFC－Ndef
- NFC－NfcA
- NFC－NfcB
- NFC－NfcF
- NFC－NfcV
- WiFi
- Calendar
- Clipboard
- NFC－getNFCAdapter
- NFC－NFCAdapter
- NFC－IsoDep
- NFC－MifareClassic
- NFC－MifareUltralight
- Bluetooth - Low Energy Central Device
- Bluetooth - Low Energy Peripheral Device
- Bluetooth - Beacon
- Bluetooth - General
- Location
- Open Interfaces
- Custom APIs
- Sensitive API
- Components
- Open source component statement
- FAQs
- Release Notes and Announcements
- Product Introduction
- About Platform Prerequisites
- Guidelines for Code Integration
- Get Demo and SDK
- Accessing via Android Devices
- Accessing via iOS Devices
- Guide to Mini Program Development
- Mini program introduction and development environment
- Mini program code composition
- Framework
- API
- API Overview
- Fundamentals
- Routing
- Redirect
- Forwarding
- Interface
- Network
- Data Caching
- Data Analysis
- canvas
- Media
- WXML
- File
- Device
- Contact person
- Vibration
- Battery Level
- Screen
- Memory
- Device Orientation
- Accessibility
- Network
- Keyboard
- Phone number
- Accelerometer
- Compass
- Gyroscope
- SMS
- Code scanning
- Encryption
- NFC－Ndef
- NFC－NfcA
- NFC－NfcB
- NFC－NfcF
- NFC－NfcV
- WiFi
- Calendar
- Clipboard
- NFC－getNFCAdapter
- NFC－NFCAdapter
- NFC－IsoDep
- NFC－MifareClassic
- NFC－MifareUltralight
- Bluetooth - Low Energy Central Device
- Bluetooth - Low Energy Peripheral Device
- Bluetooth - Beacon
- Bluetooth - General
- Location
- Open Interfaces
- Custom APIs
- Sensitive API
- Components
- Open source component statement
- FAQs
scanCode
This API is used via wx.scanCode(Object object).
Feature Description: Initiates the client's scanning interface for barcode scanning.
Parameter and Description: Object.
Attribute | Type | Valid Values and Descriptions | Default value | Required | Description |
onlyFromCamera | boolean | - | false | No | Is it exclusively permissible to scan from the camera, disallowing the selection of images from the album? |
scanType | Array. | barCode: Barcode qrCode: QR code datamatrix: Data Matrix code pdf417: PDF417 Barcode | ['barCode', 'qrCode'] | No | Code scanning type |
success | function | - | - | No | Callback Function of Successful Interface Call |
fail | function | - | - | No | Callback Function of Failing Interface Call |
complete | function | - | - | No | Callback function executed upon the completion of the interface invocation (both successful and unsuccessful invocations) |
Parameters for object.success callback function: Object res.
Attribute | Type | Valid Values and Descriptions | Description |
result | string | - | Content of the scanned code |
scanType | string | QR_CODE: QR code AZTEC: Barcode CODABAR: Barcode CODE_39: Barcode CODE_93: Barcode CODE_128: Barcode DATA_MATRIX: QR code EAN_8: Barcode EAN_13: Barcode ITF: Barcode MAXICODE: Barcode PDF_417: QR code RSS_14: Barcode RSS_EXPANDED: Barcode UPC_A: Barcode UPC_E: Barcode UPC_EAN_EXTENSION: Barcode WX_CODE: QR code CODE_25: Barcode | Type of scanned code |
charSet | string | - | String set of the scanned code |
path | string | - | When the scanned code is the current mini program's QR code, this field will be returned, containing the path carried by the QR code. |
rawData | string | - | Raw data, Base64-encoded |
Sample Code
// Allow scanning from both the camera and albumwx.scanCode({success (res) {console.log(res)}})// Allow scanning from the camera onlywx.scanCode({onlyFromCamera: true,success (res) {console.log(res)}})
Yes
No
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