CodeCharge TAIWAN

代碼: 選擇全部

<?php 
$SESS_DBHOST = "yourhost"; /* database server hostname */ 
$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 "<li>Can't connect to $SESS_DBHOST as $SESS_DBUSER"; 
        echo "<li>MySQL Error: " . mysql_error(); 
        die; 
    } 

    if (! mysql_select_db($SESS_DBNAME, $SESS_DBH)) { 
        echo "<li>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 < " . time(); 
    $qid = mysql_query($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(); 
?>

代碼: 選擇全部

CREATE TABLE  `test`.`session_tbl` (
`sesskey` VARCHAR( 255 ) NOT NULL ,
`expiry` INT NOT NULL ,
`value` TEXT NOT NULL ,
UNIQUE (
`sesskey`
)
) ENGINE = MYISAM