| 对象名 对象的类型 范围 |
| pageContext Javax.servlet.jsp.PageContext Page |
| page Javax.servlet.jsp.HttpJspPage Page |
| request Javasx.servlet.jsp.HttpServletRequest Request |
| response Javax.servlet.jsp.HttpServletResponse Page |
| session Javax.servlet.HttpSessio Session |
| application Javax.servlet.ServletContext Application |
| out Javax.servlet.jsp.JspWriter Page |
| config Javax.servlet.ServletConfig Page |
| exception Java.lang.ThrowAble page |
