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pageContext javax.servlet.jsp.PageContext
request javax.servlet.http.HttpServletRequest
response javax.servlet.http.HttpServletResponse
session javax.servlet.http.HttpSession
application javax.servlet.Servlet Context â>å¯ç¨this.getServletContext()æ¿ä»£
config javax.servlet.ServletConfig
exception java.lang.Throwable
page java.lang.Object
out javax.servlet.jsp.JspWriter
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1ãpageContext è¡¨ç¤ºé¡µå®¹å¨ â>ELãæ ç¾ãä¸ä¼
2ãrequest æå¡å¨ç«¯åå¾å®¢æ·ç«¯çä¿¡æ¯ï¼å¤´ä¿¡æ¯ãCookieã请æ±åæ°ãMVC设计模å¼
3ãresponse æå¡å¨ç«¯ååºç»å®¢æ·ç«¯ä¿¡æ¯ï¼Cookieãéå®å
4ãsession 表示æ¯ä¸ä¸ªç¨æ·ï¼ç¨äºç»å½éªè¯ä¸
5ãapplication 表示æ´ä¸ªæå¡å¨ï¼getRealPath()
6ãconfig å»çåå§ååæ°ï¼åå§ååæ°å¨web.xmlä¸é
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7ãexception 表示çæ¯é误页çå¤çæä½
8ãpage å¦åthisä¸æ ·ï¼è¡¨ç¤ºæ´ä¸ªJSP页é¢
9ãout è¾åºï¼ä½æ¯å°½é使ç¨è¡¨è¾¾å¼è¾åº
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