/*Mysql.class.php*/
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title></title> </head> <body> <?php $conn; class Mysql{ public function connect($localhost,$name,$password,$database){ $this->conn=@mysql_connect($localhost,$name,$password) or die("数据库连接失败!"); @mysql_select_db($database) or die("选择数据库失败!"); mysql_query("set names utf8"); } public function close(){ mysql_close($this->conn) } } ?> </body> </html>
/*AdminDb.class.php*/
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title></title> </head> <body> <?php class AdminDb{ public function executeSQL($sql){ $sqlType=strtolower(substr(trim($sql),0,6)); //截取SQL语句前六个字母判断操作类型 $result=mysql_query($sql); if($sqlType=="select") { $row=mysql_fetch_array($result); if(count($row)==0||count($row)==false){ echo "select wrong"."<br>"; } else { //自行添加相关操作 //echo "select successully!"."<br>"; return $row; //返回结果集 } } elseif($sql=="update"||$sql=="delete"||$sql=="insert"){ return $rusult;//返回结果 } else { return false; //既不是select,也不是update,delete,insert,返回错误 } } } ?> </body> </html>
/*test.php*/
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title></title> </head> <body> <?php include("Mysql.class.php"); include("AdminDb.class.php"); $mysql=new Mysql(); $mysql->connect("localhost","root","root","test"); $admin=new AdminDb(); $sql="select * from user"; $result=$admin->executeSQL($sql); print_r($result);<br /> $mysql->close(); ?> </body> </html>

Hot AI Tools

Undresser.AI Undress
AI-powered app for creating realistic nude photos

AI Clothes Remover
Online AI tool for removing clothes from photos.

Undress AI Tool
Undress images for free

Clothoff.io
AI clothes remover

Video Face Swap
Swap faces in any video effortlessly with our completely free AI face swap tool!

Hot Article

Hot Tools

mPDF
mPDF is a PHP library that can generate PDF files from UTF-8 encoded HTML. The original author, Ian Back, wrote mPDF to output PDF files "on the fly" from his website and handle different languages. It is slower than original scripts like HTML2FPDF and produces larger files when using Unicode fonts, but supports CSS styles etc. and has a lot of enhancements. Supports almost all languages, including RTL (Arabic and Hebrew) and CJK (Chinese, Japanese and Korean). Supports nested block-level elements (such as P, DIV),

VSCode Windows 64-bit Download
A free and powerful IDE editor launched by Microsoft

SublimeText3 Chinese version
Chinese version, very easy to use

Zend Studio 13.0.1
Powerful PHP integrated development environment

ZendStudio 13.5.1 Mac
Powerful PHP integrated development environment
