谁告诉我下 discuz的数据库操作类 是哪些,在哪几个文件中,???

2025-04-01 07:30:15
推荐回答(3个)
回答1:

discuz的数据库操作类
/*
* MySql数据库连接类
* mysql.class.php 2009.04.15 by Hackbaby
*/
class dbstuff {
var $version = '';
var $querynum = 0;
var $link = null;
//连接数据库
function connect($dbhost, $dbuser, $dbpw, $dbname, $pconnect = 0, $halt = TRUE, $dbcharset2 = '') {
$conn = empty($pconnect) ? 'mysql_connect' : 'mysql_pconnect';
if (!$this->link = @$conn($dbhost, $dbuser, $dbpw, 1)) {
$halt && $this->halt('Can not connect to MySQL server');
} else {
if($this->version() > '4.1') {
global $charset, $dbcharset;
$dbcharset = $dbcharset2 ? $dbcharset2 : $dbcharset;
$dbcharset = !$dbcharset && in_array(strtolower($charset), array('gbk', 'big5', 'utf-8')) ? str_replace('-', '', $charset) : $dbcharset;
$serverset = $dbcharset ? 'character_set_connection='.$dbcharset.', character_set_results='.$dbcharset.', character_set_client=binary' : '';
$serverset .= $this->version() > '5.0.1' ? ((empty($serverset) ? '' : ',').'sql_mode=\'\'') : '';
$serverset && mysql_query("SET $serverset", $this->link);
}
$dbname && @mysql_select_db($dbname, $this->link);
}
}
//选择数据库
function select_db($dbname) {
return mysql_select_db($dbname, $this->link);
}
//数据库执行后的返回方法
function fetch_array($query, $result_type = MYSQL_ASSOC) {
return mysql_fetch_array($query, $result_type);
}
//返回fetch_array方法执行后的返回值
function fetch_first($sql) {
return $this->fetch_array($this->query($sql));
}
//返回result方法执行后的返回值
function result_first($sql) {
return $this->result($this->query($sql), 0);
}
//执行对数据库的操作
function query($sql, $type = '') {
global $debug, $discuz_starttime, $sqldebug, $sqlspenttimes;
//判断debug调试
if(defined('SYS_DEBUG') && SYS_DEBUG) {
@include_once WEB_ROOT.'./include/debug.func.php';
sqldebug($sql);
}
//
$func = $type == 'UNBUFFERED' && @function_exists('mysql_unbuffered_query') ?
'mysql_unbuffered_query' : 'mysql_query';
if(!($query = $func($sql, $this->link))) {
if(in_array($this->errno(), array(2006, 2013)) && substr($type, 0, 5) != 'RETRY') {
$this->close();
require './config.inc.php';
$this->connect($dbhost, $dbuser, $dbpw, $dbname, $pconnect, true, $dbcharset);
$this->query($sql, 'RETRY'.$type);
} elseif($type != 'SILENT' && substr($type, 5) != 'SILENT') {
$this->halt('MySQL Query Error', $sql);
}
}
//查询条数加1
$this->querynum++;
return $query;
}
//取得前一次 MySQL 操作所影响的记录行数
function affected_rows() {
return mysql_affected_rows($this->link);
}
//数据库的文本错误提示
function error() {
return (($this->link) ? mysql_error($this->link) : mysql_error());
}
//返回上一个 MySQL 操作中的错误信息的数字编码
function errno() {
return intval(($this->link) ? mysql_errno($this->link) : mysql_errno());
}
//返回数据库操作结果
function result($query, $row = 0) {
$query = @mysql_result($query, $row);
return $query;
}
//返回数据库查询等操作的数目
function num_rows($query) {
$query = mysql_num_rows($query);
return $query;
}
//取得结果集中字段的数目
function num_fields($query) {
return mysql_num_fields($query);
}
//释放结果内存
function free_result($query) {
return mysql_free_result($query);
}
//取得上一步 INSERT 操作产生的 ID
function insert_id() {
return ($id = mysql_insert_id($this->link)) >= 0 ? $id : $this->result($this->query("SELECT last_insert_id()"), 0);
}
//以数组的形式返回查询结果
function fetch_row($query) {
$query = mysql_fetch_row($query);
return $query;
}
//从结果集中取得列信息并作为对象返回
function fetch_fields($query) {
return mysql_fetch_field($query);
}
//获取Mysql的版本
function version() {
if(empty($this->version)) {
$this->version = mysql_get_server_info($this->link);
}
return $this->version;
}
//关闭连接
function close() {
return mysql_close($this->link);
}
//错误提示
function halt($message = '', $sql = '') {
define('CACHE_FORBIDDEN', TRUE);
require_once WEB_ROOT . './include/db_mysql_error.inc.php';
}
}
?>

回答2:

不懂php

回答3:

你的是哪个版本的?

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