S2OJ/uoj/1/app/models/DB.php
2018-09-20 17:21:40 +08:00

66 lines
1.6 KiB
PHP

<?php
class DB {
public static function init() {
global $uojMySQL;
@$uojMySQL = mysql_connect(UOJConfig::$data['database']['host'] . ':3306', UOJConfig::$data['database']['username'], UOJConfig::$data['database']['password']);
if (!$uojMySQL) {
echo 'There is something wrong with database >_<.... ' . mysql_error();
die();
}
mysql_select_db(UOJConfig::$data['database']['database']);
}
public static function escape($str) {
return mysql_real_escape_string($str);
}
public static function fetch($r, $opt = MYSQL_ASSOC) {
return mysql_fetch_array($r, $opt);
}
public static function query($q) {
return mysql_query($q);
}
public static function update($q) {
return mysql_query($q);
}
public static function insert($q) {
return mysql_query($q);
}
public static function insert_id() {
return mysql_insert_id();
}
public static function delete($q) {
return mysql_query($q);
}
public static function select($q) {
return mysql_query($q);
}
public static function selectAll($q, $opt = MYSQL_ASSOC) {
$res = array();
$qr = mysql_query($q);
while ($row = mysql_fetch_array($qr, $opt)) {
$res[] = $row;
}
return $res;
}
public static function selectFirst($q, $opt = MYSQL_ASSOC) {
return mysql_fetch_array(mysql_query($q), $opt);
}
public static function selectCount($q) {
list($cnt) = mysql_fetch_array(mysql_query($q), MYSQL_NUM);
return $cnt;
}
public static function checkTableExists($name) {
return DB::query("select 1 from $name") !== false;
}
public static function num_rows() {
return mysql_num_rows();
}
public static function affected_rows() {
return mysql_affected_rows();
}
}