request.getParameter()和request.getAttribute()的返回值
来源：互联网 发布：阿里云与华为 编辑：程序博客网 时间：2024/04/28 09:26
request.getParameter("name")返回String类型，request.getAttribute("name")返回object类型
无论是request.getParameter("name")还是request.getAttribute("name"),如果在上下文中没有name的话，都会返回null值
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