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demo大师粉丝 2004-09-28
呵呵，，，谢谢两位的回答
xunyiren 2004-09-28
晕，不支持上标，最大为2的31次方，再减去1秒.
xunyiren 2004-09-28
setMaxAge
public void setMaxAge(int expiry)Sets the maximum age of the cookie in seconds.
A positive value indicates that the cookie will expire after that many seconds have passed. Note that the value is the maximum age when the cookie will expire, not the cookie's current age.
A negative value means that the cookie is not stored persistently and will be deleted when the Web browser exits. A zero value causes the cookie to be deleted.
Parameters:
expiry - an integer specifying the maximum age of the cookie in seconds; if negative, means the cookie is not stored; if zero, deletes the cookie
好像不能把Cookie的生存时间设置为无限长，最大为231-1秒.
public void setMaxAge(int expiry)Sets the maximum age of the cookie in seconds.
A positive value indicates that the cookie will expire after that many seconds have passed. Note that the value is the maximum age when the cookie will expire, not the cookie's current age.
A negative value means that the cookie is not stored persistently and will be deleted when the Web browser exits. A zero value causes the cookie to be deleted.
Parameters:
expiry - an integer specifying the maximum age of the cookie in seconds; if negative, means the cookie is not stored; if zero, deletes the cookie
好像不能把Cookie的生存时间设置为无限长，最大为231-1秒.