mirror of
https://github.com/renbaoshuo/S2OJ.git
synced 2024-11-10 09:18:41 +00:00
66 lines
1.6 KiB
PHP
66 lines
1.6 KiB
PHP
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<?php
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class DB {
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public static function init() {
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global $uojMySQL;
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@$uojMySQL = mysql_connect(UOJConfig::$data['database']['host'] . ':3306', UOJConfig::$data['database']['username'], UOJConfig::$data['database']['password']);
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if (!$uojMySQL) {
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echo 'There is something wrong with database >_<.... ' . mysql_error();
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die();
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}
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mysql_select_db(UOJConfig::$data['database']['database']);
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}
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public static function escape($str) {
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return mysql_real_escape_string($str);
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}
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public static function fetch($r, $opt = MYSQL_ASSOC) {
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return mysql_fetch_array($r, $opt);
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}
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public static function query($q) {
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return mysql_query($q);
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}
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public static function update($q) {
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return mysql_query($q);
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}
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public static function insert($q) {
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return mysql_query($q);
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}
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public static function insert_id() {
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return mysql_insert_id();
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}
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public static function delete($q) {
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return mysql_query($q);
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}
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public static function select($q) {
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return mysql_query($q);
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}
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public static function selectAll($q, $opt = MYSQL_ASSOC) {
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$res = array();
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$qr = mysql_query($q);
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while ($row = mysql_fetch_array($qr, $opt)) {
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$res[] = $row;
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}
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return $res;
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}
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public static function selectFirst($q, $opt = MYSQL_ASSOC) {
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return mysql_fetch_array(mysql_query($q), $opt);
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}
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public static function selectCount($q) {
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list($cnt) = mysql_fetch_array(mysql_query($q), MYSQL_NUM);
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return $cnt;
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}
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public static function checkTableExists($name) {
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return DB::query("select 1 from $name") !== false;
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}
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public static function num_rows() {
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return mysql_num_rows();
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}
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public static function affected_rows() {
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return mysql_affected_rows();
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}
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}
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