Applet data is stored locally

 

1.wx store data to a local number and a local acquisition

Is saved to a local store to your phone, Lennon understand cutting?

wx.setStorageSync与wx.setStorage

1.1 wx.setStorageSync(string key, any data)(同步)

parameter

string key:  the local cache specified key

any data:  the need of content storage. Only supports native type, Date, and through JSON.stringifythe serialized object.

Sample Code

wx.setStorage({
  key: 'key',
  data: 'value'
})

try {
  wx.setStorageSync('key', 'value')
} catch (e) { }

1.2 wx.setStorage (Object object) (asynchronous)

The data stored in the specified key in the local cache. It will overwrite the original key corresponding to the content. Data storage lifecycle consistent with the applet itself, that is over a certain time to clean up in addition to the user is automatically deleted or actively, otherwise the data have been available. The maximum allowed data stored in the individual key length of 1MB, all data stored in an upper limit of 10MB.

parameter

Object object

Attributes	Types of	Defaults	Mandatory	Explanation
key	string		Yes	Local cache specified key
data	any		Yes	Need of content storage. Only supports native type, Date, and through JSON.stringifythe serialized object.
success	function		no	Interface call success callback function
fail	function		no	Interface calls the failure callback function
complete	function		no	Interface calls the end of the callback function (call succeeds, the failure will be executed)

Sample Code

wx.setStorage({
  key: 'key',
  data: 'value'
})

try {
  wx.setStorageSync('key', 'value')
} catch (e) { }

The above two is a is a synchronous or asynchronous, or differentiated, to see which one would like to use to set your business

wx.getStorage与any wx.getStorageSync

1.3wx.getStorageSync (string key) (synchronous)

parameter

string key:  the local cache specified key

Return Value: the any Data, Key content corresponding

Sample Code

wx.getStorage({
  key: 'key',
  success(res) {
    console.log(res.data)
  }
})

try {
  const value = wx.getStorageSync('key')
  if (value) {
    // Do something with return value
  }
} catch (e) {
  // Do something when catch error
}

1.4wx.getStorage (Object object) (asynchronous)

Asynchronous Gets contents of the specified key from the local cache

Parameters: Object Object

Attributes	Types of	Defaults	Mandatory	Explanation
key	string		Yes	Local cache specified key
success	function		no	Interface call success callback function
fail	function		no	Interface calls the failure callback function
complete	function		no	Interface calls the end of the callback function (call succeeds, the failure will be executed)

object.success callback function

parameter

Object res

Attributes	Types of	Explanation
data	any	key corresponding to the content

Sample Code

wx.getStorage({
  key: 'key',
  success(res) {
    console.log(res.data)
  }
})

try {
  const value = wx.getStorageSync('key')
  if (value) {
    // Do something with return value
  }
} catch (e) {
  // Do something when catch error
}