YII 获取系统级请求参数的常用方法

1、GET/POST

1.1、获取GET/POST过来的数据

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Yii::app()->request->getParam('id' );

1.2、判断数据提交方式

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Yii::app()->request->isPostRequest

2、session/cookie

2.1、session常用操作

$_SESSION 等价于 Yii::app()->session;

2.1.1、写入session

//启动session
$session=new CHttpSession;
$session->open();

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Yii::app()->session[ 'key'] = 'value'

2.1.2、读取session

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Yii::app()->session[ 'key']

2.1.3、获取session的ID

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Yii::app()->session->sessionID

2.1.4、销毁session

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//移去所有session变量

Yii::app()->session->clear();

//移去存储在服务器端的数据

Yii::app()->session->destroy();

2.1.5、session高级用法

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$session = Yii::app()->session;

$session [ 'key' ] = 'value' ;

var_dump( $session[ 'key' ]);

2.2 cookie

2.2.1 设置cookie

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$cookie = newCHttpCookie(‘mycookie’,'this is my cookie’);

$cookie ->expire = time()+60*60*24*30; //有限期30天

Yii::app()->request->cookies[ 'mycookie' ]= $cookie ;

2.2.2 读取cookie

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$cookie = Yii::app()->request->getCookies();

echo $cookie [ 'mycookie' ]->value;

2.2.3 销毁cookie

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$cookie = Yii::app()->request->getCookies();

unset( $cookie [ $name ]);