pageContext對(duì)象是JSP中pageContext對(duì)象的引用。通過pageContext對(duì)象,您可以訪問request對(duì)象。比如,訪問request對(duì)象傳入的查詢字符串,就像這樣:${pageContext.request.queryString}Scope對(duì)象pageScope,requestScope,sessionScope,applicationScope變量用來訪問存儲(chǔ)在各個(gè)作用域?qū)哟蔚淖兞俊?
edu.jb51.net/jsp/jsp-expression-lang... 2025-5-24