# wx.chooseMessageFile(Object object)

Start from base library version 2.5.0. Please remaining backward compatible.

with Promise style call: Supported

Mini Program plugin: Not supported

Select a file from the client session.

# parameter

# Object object

attribute	type	Default values	Required	Introductions	Minimum version
count	number		yes	The maximum number of files you can choose, you can 0100
type	string	'all'	no	Type of file selected
extension	Array.&ltstring&gt		no	Filter by filename extension, only type==file Is effective when... Each item cannot be an empty string. No filter by default.	2.6.0
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.type Legal value

value	Introductions	Minimum version
all	Select from all files
video	Video files can only be selected
image	Select only picture file
file	You can choose files other than pictures and videos

# object.success callback

# parameter

# Object res

attribute	type	Introductions
tempFiles	Array.&ltObject&gt	Returns an array of local temporary file objects for the selected file

res.tempFiles Structure

attribute	type	Introductions
path	string	Local temporary file path (Local path)
size	number	Local temporary file size, unit B
name	string	Selected file name
type	string	Selected file type
time	number	Session send time, Unix timestamp of selected file, tool does not support this property

type Legal value

value	Introductions	Minimum version
video	Video file selected
image	Selected picture file
file	Selected files except pictures and videos

wx.chooseMessageFile({
  count: 10,
  type: 'image',
  success (res) {
    // TempFilePath can display pictures as src attribute of img tag
    const tempFilePaths = res.tempFiles
  }
})