摘要：
${user.name}< >User user = (User)request(搜寻范围).getAttribute(user); String name = user.getName(); out.println(name); 从当前页面起开始搜寻 user对象，然后获取改对象的name属性值 阅读全文
摘要：
Exception Report Message /main.jsp (line: [18], column: [40]) Expecting "jsp:param" standard action with "name" and "value" attributes Description The 阅读全文