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配置文件中：
1 'components'=>array(
'user'=>array(
'class'=>'CWebUser',
'identityCookie'=>array('domain'=>'127.0.0.1','path'=>'/'),
'allowAutoLogin'=>true,
'stateKeyPrefix'=>'mysso',
),
'session'=>array(
'cookieParams'=>array('domain'=>'127.0.0.1','lifetime'=>3600),
'timeout'=>3600
),
'statePersister'=>array(
'class'=>'CStatePersister',
)
)
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