yii框架中 Yii::app()->request

获取http://127.0.0.1/test/index?var=val的内容：

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Yii::app()->request->getUrl /test/index?var=val

Yii::app()->request->getHostInfo http://127.0.0.1

Yii::app()->request->getPathInfo test/index

Yii::app()->request->getRequestUri /test/index?var=val

Yii::app()->request->getQueryStringvar=val

判断是否为AJAX动作：

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

GET，POST，REQUEST

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Yii::app()->request->getParam('id', 1);//request

Yii::app()->request->getQuery('id', 1);//get

Yii::app()->request->getPost('id', 1);//post