wx.login(Object object) | Weixin public doc

Gets the login credential (code), which is then used to exchange for the user login status information, including the unique identifier (openid) of the user and the session key (session_key) of the current login. The communication for user data encryption and decryption is performed using the session key. For more usages, see Mini Program Login.

# Parameters

# Object object

Property	Type	Required	Description	Minimum Version
timeout	number	No	Timeout time in ms	1.9.90
success	function	No	The callback function for a successful API call
fail	function	No	The callback function for a failed API call
complete	function	No	The callback function used when the API call completed (always executed whether the call succeeds or fails)

# object.success callback function

# Parameters

# Object res

Property	Type	Description
code	string	The user login credential, which is valid for five minutes. The developer needs to call auth.code2Session in the developer server backend, and exchange the code for information such as the openid and session_key.

# Sample Code

wx.login({
  success (res) {
    if (res.code) {
      // Send a network request
      wx.request({
        url: 'https://test.com/onLogin',
        data: {
          code: res.code
        }
      })
    } else {
      console.log('Login failed' + res.errMsg)
    }
  }
})

# wx.login(Object object)

# Parameters

# Object object

# object.success callback function

# Parameters

# Object res

# Sample Code