椹厠-to-win锛氭湁鍏砈ession鍜宻ervletContext闀挎湡鍗犵敤鏈嶅姟鍣ㄥ唴瀛樼殑瑙ｅ喅鏂规灏辨槸锛氬浜庣‘瀹氫笉鍐嶉渶瑕佺殑鏁版嵁锛屼竴瀹氳鍙婃椂閲婃斁鎵€鍗?璧勬簮锛屾瘮濡傦細context.removeAttribute("mysqlds");鍚﹀垯鐨勮瘽锛屼弗閲嶇殑鎯呭喌鍙兘閫犳垚鍐呭瓨娉勯湶銆傦紙璇峰弬瑙佹垜Java閮ㄥ垎绗?涓夌珷鍐呭瓨娉勬紡閮ㄥ垎鐭ヨ瘑銆傦級
4锛?pageContext锛? 淇濆瓨鐨勯敭鍊间粎鍦ㄦ湰涓〉闈㈡湁鏁堛€傚湪鏈潵瀛︿範Taglib杩囩▼褰撲腑锛屽皢鍙戞尌宸ㄥぇ浣滅敤銆傜被鍙橀噺琚墍鏈夌敤鎴?娴忚鍣?鍙湪杩欎竴椤垫椂鍏变韩锛堜緥濡備緥1.1锛夛紝鑰宲ageContext 琚煇涓敤鎴凤紙娴忚鍣級鍙湪杩欎竴椤垫椂鎵嶆湁銆俻ageContext鑼冨洿姣旂被鍙橀噺灏忥紝鍜屽眬閮ㄥ彉閲忔槸涓€鏍风殑锛屼絾灞€閮ㄥ彉閲忓彲浠ュ湪闈瀞ervice鐨勬柟娉曚腑鐢紝鑰?pageContext鍙兘鍦╯ervice鏂规硶涓敤銆?瑙佷緥瀛?.4
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6锛夌被鍙橀噺锛氳浆鍖栨垚servlet鍚庣殑绫诲彉閲忋€?
渚?2.3
<%@ page contentType="text/html; charset=GBK" %>
<html>
<body>
<%
request.setAttribute("rName","rmark-to-win");
application.setAttribute("aName","amark-to-win");
session.setAttribute("sName","smark-to-win");
request.getRequestDispatcher("/Cookie/AddCookie").forward(request,response);
/*濡傜敤涓嬮潰鐨剅esponse锛宺equest灏卞彇涓嶅嚭鏉ヤ簡銆?缁撴灉灏卞彉鎴愬涓嬩簡 null amark-to-win smark-to-win*/
// response.sendRedirect("http://localhost:8080/ServletHello/Cookie/AddCookie");
%>
</body>
</html>
鏇村璇疯锛歨ttps://blog.csdn.net/qq_44638460/article/details/104233596