这篇文章主要介绍了php实现比较全的数据库操作类,可实现基本的数据库连接、执行SQL语句及错误提示等相关技巧,需要的朋友可以参考下
本文实例讲述了php实现比较全的数据库操作类。分享给大家供大家参考。具体如下：
hostname="localhost";
$this->user="root";
$this->pass="111";
$this->dbname="";
$this->charset="utf8"; //gb2312 GBK utf8
$this->linkflag=mysql_connect($this->hostname,$this->user,$this->pass);
mysql_select_db($this->dbname,$this->linkflag) or die($this->error());
mysql_query("set names ".$this->charset);
}
function __set($property_name,$value)
{
return $this->$property_name=$value;
}
function __get($property_name)
{
if(isset($this->$property_name))
{
return $this->$property_name;
}
else return null;
}
function __call($function_name, $args)
{
echo "
你所调用的方法 $function_name 不存在
\n";
}
function query($sql)
{
$res=mysql_query($sql) or die($this->error());
return $res;
}
function fetch_array($res)
{
return mysql_fetch_array($res);
}
function fetch_object($res)
{
return mysql_fetch_object($res);
}
function fetch_obj_arr($sql)
{
$obj_arr=array();
$res=$this->query($sql);
while($row=mysql_fetch_object($res))
{
$obj_arr[]=$row;
}
return $obj_arr;
}
function error()
{
if($this->linkflag)
{
return mysql_error($this->linkflag);
}
else return mysql_error();
}
function errno()
{
if($this->linkflag)
{
return mysql_errno($this->linkflag);
}
else return mysql_errno();
}
function affected_rows()
{
return mysql_affected_rows($this->linkflag);
}
function num_rows($sql)
{
$res=$this->execute($sql);
return mysql_num_rows($res);
}
function num_fields($res)
{
return mysql_num_fields($res);
}
function insert_id()
{
$previous_id=mysql_insert_id($this->linkflag);
return $previous_id;
}
function result($res,$row,$field=null)
{
if($field===null)
{
$res=mysql_result($res,$row);
}
else $res=mysql_result($res,$row,$field);
return $res;
}
function version()
{
return mysql_get_server_info($this->linkflag);
}
function data_seek($res,$rowNum)
{
return mysql_data_seek($res,$rowNum);
}
function __destruct()
{
//mysql_close($this->linkflag);
}
}
?>
希望本文所述对大家的php程序设计有所帮助。
，
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
AI Hentai Generator
Generate AI Hentai for free.
Hot Article
Hot Tools
SublimeText3 Mac version
God-level code editing software (SublimeText3)
Safe Exam Browser
Safe Exam Browser is a secure browser environment for taking online exams securely. This software turns any computer into a secure workstation. It controls access to any utility and prevents students from using unauthorized resources.
MantisBT
Mantis is an easy-to-deploy web-based defect tracking tool designed to aid in product defect tracking. It requires PHP, MySQL and a web server. Check out our demo and hosting services.
SecLists
SecLists is the ultimate security tester's companion. It is a collection of various types of lists that are frequently used during security assessments, all in one place. SecLists helps make security testing more efficient and productive by conveniently providing all the lists a security tester might need. List types include usernames, passwords, URLs, fuzzing payloads, sensitive data patterns, web shells, and more. The tester can simply pull this repository onto a new test machine and he will have access to every type of list he needs.
ZendStudio 13.5.1 Mac
Powerful PHP integrated development environment
