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注册 2006-7-23
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[推荐阅读] 在线等待.下面这段代码为何显示中文为乱码?服务器是apache
<?php
!function_exists('readover') && exit('Forbidden');
Class DB {
var $query_num = 0;
function DB($dbhost, $dbuser, $dbpw, $dbname, $pconnect = 0) {
$this->connect($dbhost, $dbuser, $dbpw, $dbname, $pconnect);
}
function connect($dbhost, $dbuser, $dbpw, $dbname, $pconnect = 0) {
$pconnect==0 ? @mysql_connect($dbhost, $dbuser, $dbpw) : @mysql_pconnect($dbhost, $dbuser, $dbpw);
mysql_errno()!=0 && $this->halt("Connect($pconnect) to MySQL ($dbhost,$dbuser) failed");
if($this->server_info() > '4.1' && $GLOBALS['charset']){
mysql_query("SET NAMES '".$GLOBALS['charset']."'");
}
if($this->server_info() > '5.0'){
mysql_query("SET sql_mode=''");
}
if($dbname) {
if (!@mysql_select_db($dbname)){
$this->halt('Cannot use database '.$dbname);
}
}
}
function close() {
return mysql_close();
}
function select_db($dbname){
if (!@mysql_select_db($dbname)){
$this->halt('Cannot use database '.$dbname);
}
}
function server_info(){
return mysql_get_server_info();
}
function query($SQL,$method='') {
$GLOBALS['PW']=='pw_' or $SQL=str_replace('pw_',$GLOBALS['PW'],$SQL);
if($method=='U_B' && function_exists('mysql_unbuffered_query')){
$query = mysql_unbuffered_query($SQL);
}else{
$query = mysql_query($SQL);
}
$this->query_num++;
//echo $SQL.'<br>'.$this->query_num.'<br>';
if (!$query) $this->halt('Query Error: ' . $SQL);
return $query;
}
function get_one($SQL){
$query=$this->query($SQL,'U_B');
$rs =& mysql_fetch_array($query, MYSQL_ASSOC);
return $rs;
}
function pw_update($SQL_1,$SQL_2,$SQL_3){
$rt=$this->get_one($SQL_1);
if($rt){
$this->update($SQL_2);
} else{
$this->update($SQL_3);
}
}
function update($SQL) {
$GLOBALS['PW']=='pw_' or $SQL=str_replace('pw_',$GLOBALS['PW'],$SQL);
if($GLOBALS['db_lp']==1){
if(substr($SQL,0,7)=='REPLACE'){
$SQL=substr($SQL,0,7).' LOW_PRIORITY'.substr($SQL,7);
} else{
$SQL=substr($SQL,0,6).' LOW_PRIORITY'.substr($SQL,6);
}
}
if(function_exists('mysql_unbuffered_query')){
$query = mysql_unbuffered_query($SQL);
}else{
$query = mysql_query($SQL);
}
$this->query_num++;
//echo $SQL.'<br>'.$this->query_num.'<br>';
if (!$query) $this->halt('Update Error: ' . $SQL);
return $query;
}
function fetch_array($query, $result_type = MYSQL_ASSOC) {
return mysql_fetch_array($query, $result_type);
}
function affected_rows() {
return mysql_affected_rows();
}
function num_rows($query) {
$rows = mysql_num_rows($query);
return $rows;
}
function free_result($query) {
return mysql_free_result($query);
}
function insert_id() {
$id = mysql_insert_id();
return $id;
}
function halt($msg='') {
require_once(R_P.'require/db_mysql_error.php');
new DB_ERROR($msg);
}
}
?>
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