{"id":339,"date":"2013-06-19T16:42:13","date_gmt":"2013-06-19T08:42:13","guid":{"rendered":"http:\/\/www.shuran.cn\/?p=339"},"modified":"2013-06-19T16:42:13","modified_gmt":"2013-06-19T08:42:13","slug":"codeigniter-%e7%9a%84%e8%87%aa%e5%b8%a6session%e9%97%ae%e9%a2%98","status":"publish","type":"post","link":"https:\/\/www.shuran.cn\/?p=339","title":{"rendered":"CodeIgniter \u7684\u81ea\u5e26SESSION\u95ee\u9898"},"content":{"rendered":"

\u81ea\u5e26SESSION\u91c7\u7528\u4e86cookie\u7684\u65b9\u5f0f\uff0c\u672c\u5730\u5b58\u50a8\uff0c\u975e\u5e38\u4e0d\u5b89\u5168\uff0c\u867d\u7136\u53ef\u4ee5\u91c7\u7528\u6570\u636e\u5e93\u4e4b\u7c7b\u7684\u65b9\u6cd5\u6765\u5904\u7406\uff0c\u4f46\u9ebb\u70e6\u554a\u3002<\/p>\n

\u9644\u5e26\u5927\u795e\u7ed9\u7684Session.php\u66ff\u4ee3\u539f\u6709system\\libraries\u7684Session.php\u5427\u3002\u4fdd\u8bc1\u517c\u5bb9\u6027\u3002<\/p>\n

<?php
\n\/**
\n* \u56e0\u4e3a CI\u6846\u67b6\u5e93\u81ea\u8eab\u5bf9Session\u652f\u6301\u7684\u95ee\u9898,\u4f7f\u5f97 \u670d\u52a1\u5668\u7aefSession\u5b58\u50a8\u7adf\u7136
\n* \u4f9d\u8d56 \u5ba2\u6237\u7aef\u6d4f\u89c8\u5668 ,\u65e0\u8bed... \u4e2a\u4eba\u5bf9CI\u5f00\u53d1\u8005\u65e0\u8bed...
\n*
\n* \u4e0d\u77e5\u9053\u5176\u5177\u4f53\u662f\u600e\u4e48\u60f3\u7684..
\n*
\n* @author \u8272\u8272 vb2005xu.iteye.com
\n*
\n*\/
\nclass My_Session {<\/p>\n

private static $key_userdata = '#userdata+-';
\nprivate static $key_flashmem = '#flashmem+-';<\/p>\n

function __construct(){
\nif (!headers_sent()){ session_start();}
\n}<\/p>\n

function __destruct(){
\n\/\/ \u6790\u6784\u51fd\u6570,\u5220\u9664 flashmem
\nif (isset($_SESSION[self::$key_flashmem])){
\nunset($_SESSION[self::$key_flashmem]);
\n}
\n}<\/p>\n

function userdata($item){
\n$D = isset($_SESSION[self::$key_userdata]) ? $_SESSION[self::$key_userdata] : FALSE;
\nreturn $D && is_array($D) && isset($D[$item]) ? $D[$item] : FALSE;
\n}<\/p>\n

private function init_userdata(){
\nif (isset($_SESSION[self::$key_userdata]) && is_array($_SESSION[self::$key_userdata]))
\nreturn true;
\n$_SESSION[self::$key_userdata] = array();
\n}<\/p>\n

function set_userdata($newdata = array(), $newval = ''){<\/p>\n

$this->init_userdata();<\/p>\n

if (is_string($newdata))
\n{
\n$newdata = array($newdata => $newval);
\n}<\/p>\n

if (count($newdata) > 0)
\n{
\nforeach ($newdata as $key => $val)
\n{
\n$_SESSION[self::$key_userdata][$key] = $val;
\n}
\n}
\n}<\/p>\n

function unset_userdata($newdata = array())
\n{<\/p>\n

$this->init_userdata();<\/p>\n

if (is_string($newdata))
\n{
\n$newdata = array($newdata => '');
\n}<\/p>\n

if (count($newdata) > 0)
\n{
\nforeach ($newdata as $key => $val)
\n{
\nunset($_SESSION[self::$key_userdata][$key]);
\n}
\n}
\n}<\/p>\n

function all_userdata()
\n{
\nreturn isset($_SESSION[self::$key_userdata]) ? $_SESSION[self::$key_userdata]:FALSE;
\n}<\/p>\n

function sess_destroy(){
\n\/\/ THROW NEW EXCEPTION('D');
\nsession_destroy();
\n}<\/p>\n

private function init_flashdata(){
\nif (isset($_SESSION[self::$key_flashmem]) && is_array($_SESSION[self::$key_flashmem]))
\nreturn true;
\n$_SESSION[self::$key_flashmem] = array();
\n}<\/p>\n

function set_flashdata($newdata = array(), $newval = '')
\n{
\n$this->init_flashdata();<\/p>\n

if (is_string($newdata))
\n{
\n$newdata = array($newdata => $newval);
\n}<\/p>\n

if (count($newdata) > 0)
\n{
\nforeach ($newdata as $key => $val)
\n{
\n$_SESSION[self::$key_flashmem][$key] = $val;
\n}
\n}
\n}<\/p>\n

function flashdata($item)
\n{
\n$D = isset($_SESSION[self::$key_flashmem]) ? $_SESSION[self::$key_flashmem] : FALSE;
\nreturn $D && is_array($D) && isset($D[$item]) ? $D[$item] : FALSE;
\n}<\/p>\n

}<\/p><\/blockquote>\n","protected":false},"excerpt":{"rendered":"

\u81ea\u5e26SESSION\u91c7\u7528\u4e86cookie\u7684\u65b9\u5f0f\uff0c\u672c\u5730\u5b58\u50a8\uff0c\u975e\u5e38\u4e0d\u5b89\u5168\uff0c\u867d\u7136\u53ef\u4ee5\u91c7\u7528\u6570\u636e\u5e93\u4e4b\u7c7b\u7684\u65b9\u6cd5\u6765\u5904\u7406\uff0c\u4f46\u9ebb\u70e6\u554a\u2026 Read More »<\/a><\/span><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[21],"tags":[],"class_list":["post-339","post","type-post","status-publish","format-standard","hentry","category-ci"],"_links":{"self":[{"href":"https:\/\/www.shuran.cn\/index.php?rest_route=\/wp\/v2\/posts\/339","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.shuran.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.shuran.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.shuran.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.shuran.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=339"}],"version-history":[{"count":2,"href":"https:\/\/www.shuran.cn\/index.php?rest_route=\/wp\/v2\/posts\/339\/revisions"}],"predecessor-version":[{"id":341,"href":"https:\/\/www.shuran.cn\/index.php?rest_route=\/wp\/v2\/posts\/339\/revisions\/341"}],"wp:attachment":[{"href":"https:\/\/www.shuran.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=339"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.shuran.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=339"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.shuran.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=339"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}