# wx.scanCode(Object object)

Start from base library version 1.0.0. Please remaining backward compatible.

with Promise style call: Supported

Mini Program plugin: Support, need to Mini Program base library version no less than 1.9.6

Set up the client scan interface to scan the code

# parameter

# Object object

attribute	初始值	Default values	初始值	初始值	初始值
onlyFromCamera	boolean	false	no	Whether you can only scan the code from the camera, not allow you to select pictures from the album	1.2.0
scanType	Array.&ltstring&gt	['barCode', 'qrCode']	no	Scan code type	1.7.0
success	function		no	Interface calls the successful callback function
fail	function		no	Interface calls failed callback functions
complete	function		no	Callback function at the end of an interface call (both successful and unsuccessful calls are executed)

object.scanType Legal value

value	Introductions	Minimum version
barCode	One-dimensional code
qrCode	two-dimensional barcode
datamatrix	Data Matrix code
pdf417	PDF417 barcode

# object.success callback

# parameter

# Object res

attribute	type	Introductions
result	string	The contents of the scanned code
scanType	string	Type of code scanned
charSet	string	Character set of scanned code
path	string	When the scan code is the current Mini Program two-dimensional code, will return this field, the content of two-dimensional code carried path
rawData	string	Raw data, base64 encoding

res.scanType Legal value

value	Introductions	Minimum version
QR_CODE	two-dimensional barcode
AZTEC	One-dimensional code
CODABAR	One-dimensional code
CODE_39	One-dimensional code
CODE_93	One-dimensional code
CODE_128	One-dimensional code
DATA_MATRIX	two-dimensional barcode
EAN_8	One-dimensional code
EAN_13	One-dimensional code
ITF	One-dimensional code
MAXICODE	One-dimensional code
PDF_417	two-dimensional barcode
RSS_14	One-dimensional code
RSS_EXPANDED	One-dimensional code
UPC_A	One-dimensional code
UPC_And	One-dimensional code
UPC_EAN_EXTENSION	One-dimensional code
WX_CODE	two-dimensional barcode
CODE_25	One-dimensional code

# sample code

// Allow scanning from camera and photo album
wx.scanCode({
  success (res) {
    console.log(res)
  }
})

// Scan code only from camera
wx.scanCode({
  onlyFromCamera: true,
  success (res) {
    console.log(res)
  }
})