if(!defined("WEB_ROOT")){
exit("Access Deny !");
}
class DB_MySQL {
function DB_MySQL($servername, $dbusername, $dbpassword, $dbname, $usepconnect){
$this->server = $servername;
$this->dbuser = $dbusername;
$this->dbpass = $dbpassword;
$this->dbname = $dbname;
$this->pconn = $usepconnect;
}
var $querycount = 0;
function geterrdesc() {
return mysql_error();
}
function geterrno() {
return intval(mysql_errno());
}
function insert_id() {
$id = mysql_insert_id();
return $id;
}
function connect() {
if($this->pconn==1) {
if(!@mysql_pconnect($this->server, $this->dbuser, $this->dbpass)) {
$this->halt('数据库链接失败');
}
} else {
if(!@mysql_connect($this->server, $this->dbuser, $this->dbpass)) {
$this->halt('数据库链接失败');
}
}
mysql_query("set names 'GBK'");
if($this->dbname) {
$this->select_db($this->dbname);
}
}
function fetch_array($query, $result_type = MYSQL_ASSOC) {
return mysql_fetch_array($query, $result_type);
}
function query($sql, $type = '') {
//echo "<div style=\"text-align: left;\">".htmlspecialchars($sql)."</div>";
/*
遇到问题时用这个来检查SQL执行语句
$fp = fopen('sqlquerylog.txt', 'a');
flock($fp, 2);
fwrite($fp, $sql."\n");
fclose($fp);
*/
$func = $type == 'UNBUFFERED' && @function_exists('mysql_unbuffered_query') ?
'mysql_unbuffered_query' : 'mysql_query';
if(!($query = $func($sql)) && $type != 'SILENT') {
$this->halt('MySQL Query Error', $sql);
}
$this->querycount++;
return $query;
}
function unbuffered_query($sql) {
$query = $this->query($sql, 'UNBUFFERED');
return $query;
}
function select_db($dbname) {
return mysql_select_db($dbname);
}
function fetch_row($query) {
$query = mysql_fetch_row($query);
return $query;
}
function fetch_one_array($query) {
$result = $this->query($query);
$record = $this->fetch_array($result);
return $record;
}
function num_rows($query) {
$query = mysql_num_rows($query);
return $query;
}
function num_fields($query) {
return mysql_num_fields($query);
}
function result($query, $row) {
$query = @mysql_result($query, $row);
return $query;
}
function free_result($query) {
$query = mysql_free_result($query);
return $query;
}
function version() {
return mysql_get_server_info();
}
function close() {
return mysql_close();
}
function halt($msg, $sql=''){
global $php_self,$timestamp,$onlineip;
if ($sql) {
@$fp = fopen(SABLOG_ROOT.'log/dberrorlog.php', 'a');
@fwrite($fp, "<?PHP exit('Access Denied'); ?>\t$timestamp\t$onlineip\t".basename($php_self)."\t".htmlspecialchars($this->geterrdesc())."\t".str_replace(array("\r", "\n", "\t"), array(' ', ' ', ' '), trim(htmlspecialchars($sql)))."\n");
@fclose($fp);
}
$message = "<html>\n<head>\n";
$message .= "<meta content=\"text/html; charset=utf-8\" http-equiv=\"Content-Type\">\n";
$message .= "<style type=\"text/css\">\n";
$message .= "body,p,pre {\n";
$message .= "font:12px Verdana;\n";
$message .= "}\n";
$message .= "</style>\n";
$message .= "</head>\n";
$message .= "<body bgcolor=\"#FFFFFF\" text=\"#000000\" link=\"#006699\" vlink=\"#5493B4\">\n";
$message .= "<p>数据库出错:</p><pre><b>".htmlspecialchars($msg)."</b></pre>\n";
$message .= "<b>Mysql error description</b>: ".htmlspecialchars($this->geterrdesc())."\n<br />";
$message .= "<b>Mysql error number</b>: ".$this->geterrno()."\n<br />";
$message .= "<b>Date</b>: ".date("Y-m-d @ H:i")."\n<br />";
$message .= "<b>Script</b>: http://".$_SERVER['HTTP_HOST'].getenv("REQUEST_URI")."\n<br />";
$message .= "</body>\n</html>";
echo $message;
exit;
}
}
@header("content-Type: text/html; charset=GBK");
require_once 'func_db_mysql.php';
$servername="localhost";
$dbusername='alang';
$dbpassword='lingting';
$dbname='phptest';
$usepconnect=0;
$DBQ = new DB_MySQL($servername, $dbusername, $dbpassword, $dbname);
$DBQ->connect();
$rs=$DBQ->query("select *from articles");
while($info = $DBQ->fetch_array($rs)){
echo $info['title'];
echo $info['content'];
}
$rows=$DBQ->num_rows($rs);
$DBQ->close();
