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CI框架中cookie的操作方法分析,cicookie
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CI框架中cookie的操作方法分析,cicookie

Jun 13, 2016 am 09:19 AM
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CI框架中cookie的操作方法分析,cicookie

本文实例讲述了CI框架中cookie的操作方法。分享给大家供大家参考。具体分析如下:

第一种设置cookie的方式:采用php原生态的方法设置的cookie的值

复制代码 代码如下:

setcookie("user_id",$user_info['user_id'],86500); 
setcookie("username",$user_info['username'],86500); 
setcookie("password",$user_info['password'],86500); 
//echo $_COOKIE['username'];


 
第二种设置cookie的方式:通过CI框架的input类库设置cookie的值

复制代码 代码如下:

$this->input->set_cookie("username",$user_info['username'],60); 
$this->input->set_cookie("password",$user_info['password'],60); 
$this->input->set_cookie("user_id",$user_info['user_id'],60); 
//echo $this->input->cookie("password");//适用于控制器 
//echo $this->input->cookie("username");//适用于控制器 
//echo $_COOKIE['username'];//在模型类中可以通过这种方式获取cookie值 
//echo $_COOKIE['password'];//在模型类中可以通过这种方式获取cookie值


 
第三种设置cookie的方式:通过CI框架的cookie_helper.php辅助函数库设置cookie的值 

复制代码 代码如下:

set_cookie("username",$user_info['username'],60); 
set_cookie("password",$user_info['password'],60); 
set_cookie("user_id",$user_info['user_id'],60); 
//echo get_cookie("username");

例子自定义扩展核心控制器类

复制代码 代码如下:

class MY_Controller extends CI_Controller{ 
 
    //构造函数:在构造函数中判断用户是否已经登陆,如果登陆,可进入后台控制器,返回跳转到登陆页面 
    public function __construct(){ 
        parent::__construct(); 
        $this->load->helper("url"); 
        $this->load->model("user_model");//user_model模型类实例化对象 
        $this->cur_user=$this->user_model->is_login();//检测是否登陆,如果登陆,返回登陆用户信息,否则返回false 
        if($this->cur_user === false){ 
            header("location:".site_url("index/login")); 
        }else{ 
            //如果已经登陆,则重新设置cookie的有效期 
            $this->input->set_cookie("username",$this->cur_user['username'],60); 
            $this->input->set_cookie("password",$this->cur_user['password'],00); 
            $this->input->set_cookie("user_id",$this->cur_user['user_id'],60); 
        } 
    } 

?>

希望本文所述对大家基于CI框架的PHP程序设计有所帮助。

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