Session入库 页面跳转值丢失问题
我想在用户登录之后用session存储用户信息然后放到数据库中，
登录成功3秒后会跳转到另一个页面，但是SESSSION存储的值仅仅在数据库中
存放了这3秒，页面跳转过去之后Session的值就没了。
跳转过程中是这样的
跳转过去就没了
<?php
class SessionLib{
private $db;
public function __construct(){
ini_set('session.save_handler','user');
session_set_save_handler(
array($this,'open'),
array($this,'close'),
array($this,'read'),
array($this,'write'),
array($this,'destroy'),
array($this,'gc')
);
}
public function open(){
$this->db = MysqlDB::getInstance($GLOBALS['config']['database']);
echo '开启会话<br>';
}
public function close(){
echo '关闭会话<br>';
}
public function read($session_id){
$sql = "select session_value from session where session_id = $session_id";
echo '读取会话<br>';
return $this->db->fetchColum($sql);
}
public function write($session_id,$session_value){
$time = time();
$sql="insert into session values ('$session_id','$session_value',$time)
on duplicate key update session_value='$session_value'";
echo '写入会话<br>';
return $this->db->query($sql);
}
public function destroy($session_id){
$sql = "delete from session where session_id = $session_id";
echo '删除会话<br>';
return $this->db->query($sql);
}
public function gc($maxlifetime){
$time = time()- $maxlifetime ;
$sql = "delete from session where session_time < $time";
return $this->db->query($sql);
}
}
<?php
class Controller{
public function __construct(){
$this->initSession();
}
private function initSession(){
new SessionLib();
session_start();
}
public function success($url,$msg,$time=1){
$this->jump($url,$msg,$time,true);
}
public function error($url,$msg,$time=2){
$this->jump($url,$msg,$time,false);
}
private function jump($url,$msg,$time=3,$flag){
if($msg == ''){
header("location:{$url}");
}else{
if($flag){
$img = '<img src="Public/Images/success.png">';
}else{
$img = '<img src="Public/Images/error.png">';
}
}
echo <<<jump
<!DOCTYPE html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<meta http-equiv="refresh" content="{$time};URL={$url}" />
<style>
div{
margin-top: 100px;
margin-left: 600px;
}
</style>
<title>jump</title>
</head>
<body>
<div> {$img} <p>{$msg}</p></div>
</body>
</html>
jump;
}
}
<?php
class UserLoginController extends Controller{
public function LoginAction(){
$model = new UserModel();
if(isset($_POST['submit'])){
$data['username'] = $_POST['username'];
$data['password'] = $_POST['password'];
$_SESSION['user'] = $data['username'].md5($data['password']);
if($model->find($data)){
$this->success('index.php?p=Home&&c=MainPage&&a=MainPage','登录成功');
exit;
}else{
echo '登录失败';
}
}
require __VIEW__.'UserLogin.html';
}
}
