Php+ajax implementation of non-refreshed news message system, AJAX message System _php Tutorial

Php+ajax implementation of non-refreshed news message system, AJAX message system

This article introduces a non-refreshing news message system, the most concise and easy to understand an AJAX non-flush message system, the source code is omitted to accept the data validation process, we can expand according to their own needs, the following into the topic.

Core Source:

1. Configuration file: config.php, the code is as follows:

<?php  //Database configuration information (user name, password, database name, table prefix, etc.)  $cfg _dbhost = "localhost";  $cfg _dbuser = "root";  $cfg _dbpwd = "root";  $cfg _dbname = "Ajaxdemo1";  $cfg _dbprefix = "";  $link = mysql_connect ($cfg _dbhost, $cfg _dbuser, $cfg _dbpwd);  mysql_select_db ($cfg _dbname);  

2. Processing the request: deal.php, the code is as follows:

<?php  Header ("Content-type:text/html;charset=utf-8");  Include "config.php";  POST receive data, just demo effect, here is omitted to verify  $name = $_post[' name '];  $content = $_post[' content '];  $sql = "INSERT INTO Test (name,content) values (' {$name} ', ' {$content} ');";  $res = mysql_query ($sql, $link);  if ($res) {  echo ' {"name": "'. $name. '", "Content": "'. $content. '", "status": "1"} ';  

3. Home code: index.php, the code is as follows:

   
 
  No refresh 
 
            <?php  include "config.php";  $sql = "SELECT * from Test;";  $res = mysql_query ($sql, $link);  while ($row =mysql_fetch_array ($res)) {  echo "
". $row [' name ']." Published: ". $row [' content ']."
";  } ? >    

Database file with the following code:

DROP TABLE IF EXISTS ' test '; CREATE TABLE ' test ' (  ' id ' int (ten) unsigned NOT NULL auto_increment,  ' name ' varchar ($) NOT NULL,  ' content ' te XT Not NULL,  

The above is for everyone to share the php+ajax to achieve a non-refreshed news message system, I hope that everyone's learning has helped.

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