//Infinite classification, the main idea is this, use fid to record the upper-level ID of the class, and establish a superior-subordinate relationship through fid and id.
$conn = mysql_connect("localhost","root","root") or die("Database connection lost");
mysql_select_db("new",$conn);
?>
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http://www.bkjia.com/PHPjc/631899.htmlwww.bkjia.comtruehttp: //www.bkjia.com/PHPjc/631899.htmlTechArticleUnlimited Classification //Infinite classification, the main idea is this, use fid to record the upper-level ID of the class , establish a superior-subordinate relationship through fid and id. ?php $conn = mysql_connect(localhost,root...
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