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数据表结构：[sessions] CREATE TABLE sessions ( sesskey char(32) not null, expiry int(11) unsigned not null, value text not null, PRIMARY KEY (sesskey) ); 程序代码：[session_inc.$SESS_DBNAME = "yourdb"; /* database name */ $SESS_DBUSER = "youruser"; /* database user */ $SESS_DBPASS = "yourpassword"; /* database password */ $SESS_DBH = ""; $SESS_LIFE = get_cfg_var("session.gc_maxlifetime"); function sess_open($save_path, $session_name) { global $SESS_DBHOST, $SESS_DBNAME, $SESS_DBUSER, $SESS_DBPASS, $SESS_DBH; if (! $SESS_DBH = mysql_pconnect($SESS_DBHOST, $SESS_DBUSER, $SESS_DBPASS)) { echo "Can't connect to $SESS_DBHOST as $SESS_DBUSER"; echo "MySQL Error: " . mysql_error(); die; } if (! mysql_select_db($SESS_DBNAME, $SESS_DBH)) { echo "Unable to select database $SESS_DBNAME"; die; } return true; } function sess_close() { return true; } function sess_read($key) { global $SESS_DBH, $SESS_LIFE; $qry = "SELECT value FROM session_tbl WHERE sesskey = '$key' AND expiry > " . time(); $qid = mysql_query($qry, $SESS_DBH); if (list($value) = mysql_fetch_row($qid)) { return $value; } return false; } function sess_write($key, $val) { global $SESS_DBH, $SESS_LIFE; $expiry = time() + $SESS_LIFE; //过期时间 $value = addslashes($val); $qry = "INSERT INTO session_tbl VALUES ('$key', $expiry, '$value')"; $qid = mysql_query($qry, $SESS_DBH); if (! $qid) { $qry = "UPDATE session_tbl SET expiry = $expiry, value = '$value' WHERE sesskey = '$key' AND expiry > " . time(); $qid = mysql_query($qry, $SESS_DBH); } return $qid; } function sess_destroy($key) { global $SESS_DBH; $qry = "DELETE FROM session_tbl WHERE sesskey = '$key'"; $qid = mysql_query($qry, $SESS_DBH); return $qid; } function sess_gc($maxlifetime) { global $SESS_DBH; $qry = "DELETE FROM session_tbl WHERE expiry $qid = mysql_query($qry, $SESS_DBH); return mysql_affected_rows($SESS_DBH); } session_set_save_handler( "sess_open", "sess_close", "sess_read", "sess_write", "sess_destroy", "sess_gc"); session_start(); ?> 完成以上步骤后，在程序中使用require("session_inc.【本文版权归作者与奥索网共同拥有，如需转载，请注明作者及出处】 以上就介绍了数据库保存session 使用数据库保存session的方法，包括了数据库保存session方面的内容，希望对 09-15 11:16