Android scan QR code for Web login

1. Implement the Scan Code landing page Flowchart:

2. Scanning QR code login implementation mechanism:

The detailed flowchart examples are as follows:

To establish a database:

3.PHP web-side generation of a simple two-dimensional code

4.PHP Polling Database

Asynchronously loads a polling operation using AJAX.

5.PHP Custom API interface

Customize the API interface in PHP to implement the ability to write information to the database.

6.Android Client scan QR code

Use the zxing open Source Library, and rely on the open Source Library to complete the scan QR code function.

7.Android Client Access custom API for Web login

Use network programming with API to implement login functions.

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The above describes the Android scan QR code to achieve Web login, including aspects of the content, I hope the PHP tutorial interested in a friend helpful.

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