1.把字符作转换:new String(str.getBytes("8859_1"), "gb2312")2.public void setMaxInactiveInterval(int interval)Specifies the time, in seconds, between client requests before the servlet container will invalidate this session. A negative time indicates the session should never timeout.
Parameters:
interval - An integer specifying the number of seconds
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Parameters:
interval - An integer specifying the number of seconds
文档原文
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