Home >Backend Development >PHP Tutorial >General class for PHP connection to MYSQL database_PHP tutorial
General class for PHP connection to MYSQL database_PHP tutorial
- WBOYOriginal
- 2016-07-14 10:08:421073browse
include "mysql.php";
$db = new Dirver();
$db->DBLink($dbhost='localhost', $dbuser='root', $password='password', $dbname='name', $pconnect=0);
?>
PHP连接MYSQL数据库类
mysql.php
Class Dirver{
//连接数据库
//link database
function DBLink($dbhost='localhost', $dbuser='root', $password='', $dbname='', $pconnect=0){
$this->LinkID[$this->Line] = ($pconnect == 1)? @mysql_pconnect($dbhost, $dbuser, $password) : @mysql_connect($dbhost, $dbuser, $password) or die("Connect to MySQL ($dbhost,$dbuser) failed");
//选择连接数据库
//choose to link database
@mysql_select_db($dbname, $this->LinkID[$this->Line]) or die('Cannot use database '.$dbname);
return $this->LinkID[$this->Line];
}
//查询语句
//view qurry
function query($query,$limit='') {
$this -> nums ++;
//检测如果有限制数据集则处理
//test if there is finite data,then function
if($limit>0){
$query = $query.' LIMIT '.$limit;
}
$this-> Lists[$this->Line][] = $query;
$querys = mysql_query($query,$this->LinkID[$this->Line]);
if(!$querys){
$this->DB_Error($query);
}
return $querys;
}
//返回数组资料
//back to array info
function fetch_array($query) {
return @mysql_fetch_array($query, MYSQL_ASSOC);
}
//返回数组资料
//back to array info
function result($query) {
return @mysql_result($query,$this->LinkID[$this->Line]);
}
//返回数组资料行
//back to row info
function rows($query) {
return $this->fetch_array($this->query($query));
}
//返回数组行
//back to numrows
function nums($query) {
return $this->num_rows($this->query($query));
}
//取得返回列的数目
//fetch the numbers backing out
function num_rows($query){
return @mysql_num_rows($query);
}
//返回单列的各字段
//return to every field of single row
function fetch_row($query) {
return @mysql_fetch_row($query);
}
//返回最后一次使用 INSERT 指令的 ID
//return to inserted ID used last time
function insert_id(){
return @mysql_insert_id($this->LinkID[$this->Line]);
}
//关闭当前数据库连接
//close current database link
function close(){
return @mysql_close($this->LinkID[$this->Line]);
}
//检测mysql版本
//test mysql version
function version(){
$query = @mysql_query("SELECT VERSION()",$this->LinkID[$this->Line]);
return @mysql_result($query, 0);
}
//返回友情提示信息 更多http://www.52mvc.com
//return to kindly note
function DB_Error_t($query=''){
}
function DB_Error($query=''){
global $PHP_SELF;
//出错语句提示
//error sentence
$errors = preg_replace("/'(.+?)'/is"," '//1' ",mysql_error());
$charset ='';
//提示语言
//language noted
$lang = Array('This SQL Error Info!', 'Error Script:', 'Present time:',
'Http Host:', 'Server Name:', 'Server Software:',
'Host IP Address:', 'Remote User Agent:', 'Current File:',
'Current Line:', 'Line.', 'The Error number:',
'The specific Error was:', 'SQL Query :', 'Not discover whateverly SQL Sentence ！');
//时间处理
//time
$nowdate = date('Y-m-d H:i A');
$errors = preg_replace("/'(.+?)'/is","'//1'",mysql_error());
//检测是否有语句
//test if there is any sentence.
if($query==''){
$query = $lang[14];
}
echo "
|
$lang[0] | |
|
$lang[2] | $nowdate |
|
$lang[3] | ".$_SERVER['HTTP_HOST']." |
|
$lang[4] | ".$_SERVER['SERVER_NAME']." |
|
$lang[5] | ".$_SERVER['SERVER_SOFTWARE']." |
|
$lang[6] | ".$_SERVER['REMOTE_ADDR']." |
|
$lang[7] | ".$_SERVER['HTTP_USER_AGENT']."; |
|
$lang[11] | ".mysql_errno()." |
|
$lang[12] | $errors |
|
$lang[13] | $query |
";
exit;
}
}
?>
PHP连接MYSQL数据库类
include "mysql.php";
$db = new Dirver();
$db->DBLink($dbhost='localhost', $dbuser='root', $password='password', $dbname='name', $pconnect=0);
?>
PHP连接MYSQL数据库类
mysql.php
Class Dirver{
//连接数据库
//link database
function DBLink($dbhost='localhost', $dbuser='root', $password='', $dbname='', $pconnect=0){
$this->LinkID[$this->Line] = ($pconnect == 1)? @mysql_pconnect($dbhost, $dbuser, $password) : @mysql_connect($dbhost, $dbuser, $password) or die("Connect to MySQL ($dbhost,$dbuser) failed");
//选择连接数据库
//choose to link database
@mysql_select_db($dbname, $this->LinkID[$this->Line]) or die('Cannot use database '.$dbname);
return $this->LinkID[$this->Line];
}
//查询语句
//view qurry
function query($query,$limit='') {
$this -> nums ++;
//检测如果有限制数据集则处理
//test if there is finite data,then function
if($limit>0){
$query = $query.' LIMIT '.$limit;
}
$this-> Lists[$this->Line][] = $query;
$querys = mysql_query($query,$this->LinkID[$this->Line]);
if(!$querys){
$this->DB_Error($query);
}
return $querys;
}
//返回数组资料
//back to array info
function fetch_array($query) {
return @mysql_fetch_array($query, MYSQL_ASSOC);
}
//返回数组资料
//back to array info
function result($query) {
return @mysql_result($query,$this->LinkID[$this->Line]);
}
//返回数组资料行
//back to row info
function rows($query) {
return $this->fetch_array($this->query($query));
}
//返回数组行
//back to numrows
function nums($query) {
return $this->num_rows($this->query($query));
}
//取得返回列的数目
//fetch the numbers backing out
function num_rows($query){
return @mysql_num_rows($query);
}
//返回单列的各字段
//return to every field of single row
function fetch_row($query) {
return @mysql_fetch_row($query);
}
//返回最后一次使用 INSERT 指令的 ID
//return to inserted ID used last time
function insert_id(){
return @mysql_insert_id($this->LinkID[$this->Line]);
}
//关闭当前数据库连接
//close current database link
function close(){
return @mysql_close($this->LinkID[$this->Line]);
}
//检测mysql版本
//test mysql version
function version(){
$query = @mysql_query("SELECT VERSION()",$this->LinkID[$this->Line]);
return @mysql_result($query, 0);
}
//返回友情提示信息
//return to kindly note
function DB_Error_t($query=''){
}
function DB_Error($query=''){
global $PHP_SELF;
//出错语句提示
//error sentence
$errors = preg_replace("/'(.+?)'/is"," '//1' ",mysql_error());
$charset ='';
//提示语言
//language noted
$lang = Array('This SQL Error Info!', 'Error Script:', 'Present time:',
'Http Host:', 'Server Name:', 'Server Software:',
'Host IP Address:', 'Remote User Agent:', 'Current File:',
'Current Line:', 'Line.', 'The Error number:',
'The specific Error was:', 'SQL Query :', 'Not discover whateverly SQL Sentence ！');
//时间处理
//time
$nowdate = date('Y-m-d H:i A');
$errors = preg_replace("/'(.+?)'/is","'//1'",mysql_error());
//检测是否有语句
//test if there is any sentence.
if($query==''){
$query = $lang[14];
}
echo "
|
$lang[0] | |
|
$lang[2] | $nowdate |
|
$lang[3] | ".$_SERVER['HTTP_HOST']." |
|
$lang[4] | ".$_SERVER['SERVER_NAME']." |
|
$lang[5] | ".$_SERVER['SERVER_SOFTWARE']." |
|
$lang[6] | ".$_SERVER['REMOTE_ADDR']." |
|
$lang[7] | ".$_SERVER['HTTP_USER_AGENT']."; |
|
$lang[11] | ".mysql_errno()." |
|
$lang[12] | $errors |
|
$lang[13] | $query |
";
exit;
}
}
?>
Statement：
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Previous article：PHP Object-Oriented Journey: Properties of Classes_PHP TutorialNext article：PHP Object-Oriented Journey: Properties of Classes_PHP Tutorial