Ajax and MySQL data interactive implementation of Message board function example detailed

This article mainly and everyone to share the Ajax and MySQL data interactive implementation of the message board function example, recently made a small demo, to achieve the Ajax and MySQL data interaction, JS part with the JQ, the background is PHP, the database is MySQL, time to another node+ MongoDB version of.

About the use and installation of MySQL, not much to say, self-Baidu Xampp,apache server and MySQL database integration, very useful

First open the server and database, I first set up a "eleven" database, the following set up a table called microblog (note: I am using a high version of MySQL, the PHP link database in the method used is mysqli_ if the version is too low, Use the Mysql_ method to modify your code yourself)
Here is the Code section:

HTML page and JS section:

<! DOCTYPE html>