# FileSystemManager.unlink(Object object)

with Promise style call: Not supported

Mini Program plugin: Support, need to Mini Program base library version no less than 2.19.2

Delete file

# parameter

# Object object

attribute	type	Required	Introductions
filePath	string	yes	File path to delete (Local path)
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.fail callback

# parameter

# Object res

attribute	type	Introductions
errMsg	string	Error message

res.errMsg Legal value

value	Introductions	Minimum version
fail permission denied, open ${path}	Specified path Path not read
fail No such file or directory ${path}	File does not exist
fail operation not permitted, unlink ${filePath}	Incoming filePath It's a directory.
fail sdcard not mounted	Android sdcard Mount failure

# sample code

const fs = wx.getFileSystemManager()
fs.unlink({
  filePath: `${wx.env.USER_DATA_PATH}/hello.txt`, 
  success(res) {
    console.log(res)
  },
  fail(res) {
    console.error(res)
  }
})

// Synchronous interface
try {
  const res = fs.unlinkSync(`${wx.env.USER_DATA_PATH}/hello.txt`)
  console.log(res)
} catch(e) {
  console.error(e)
}