<% ?
? request.setCharacterEncoding("utf-8");
? //首先判斷用戶是否選擇了記住登錄狀態(tài)
? String[]?isUserCookies?=?request.getParameterValues("isUserCookie");
? if(isUserCookies?!=?null?&&?isUserCookies.length>0){
? //把用戶名和密碼保存在Cookie對象里面并且進行URL編碼
? String?username?=?URLEncoder.encode(request.getParameter("username"),"utf-8");
? //使用URLEncoder解決無法在Cookie當(dāng)中保存中文字符串的問題
? String?password?=?URLEncoder.encode(request.getParameter("password"),"utf-8");
?
? Cookie?usernameCookie?=?new?Cookie("username",username);
? Cookie?passwordCookie?=?new?Cookie("password",password);
? //設(shè)置最大生存期限為10天
? usernameCookie.setMaxAge(864000);
? passwordCookie.setMaxAge(864000);
? response.addCookie(usernameCookie);
? response.addCookie(passwordCookie);
? }else{
? Cookie[]?cookies?=?request.getCookies();
? if(cookies?!=?null?&&?cookies.length>0){
? for(Cookie?c?:?cookies){
? if(c.getName().equals("username")?||?c.getName().equals("password")){
? c.setMaxAge(0);?//設(shè)置Cookie失效
? response.addCookie(c);?//重新保存
? }
? }
? }
? }
??%>
<%
???? request.setCharacterEncoding("utf-8");
???? String?username?=?"";
???? String?password?=?"";
???? Cookie[]?cookies?=?request.getCookies();
? if(cookies?!=?null?&&?cookies.length>0){
? for(Cookie?c?:?cookies){
? if(c.getName().equals("username")){
? //使用URLDecoder進行解碼
? username?=?URLDecoder.decode(c.getValue(),"utf-8");
? }
? if(c.getName().equals("password")){
? password?=?URLDecoder.decode(c.getValue(),"utf-8");
? }
? }
? }
?????%>
2018-08-10
我也是呀，編碼解碼一支不對，起初我也為用了usebean在cookie里，導(dǎo)致解碼編碼除了問題，后來改成老師那樣，還是不對，但是我把數(shù)據(jù)寫死了以后就可以了，那應(yīng)該不是解碼哪里出了問題，哎，有點頭疼
2017-11-16
還是沒找到，頭痛
2017-11-16
不知道，你現(xiàn)在解決了沒有！代碼應(yīng)該是正確的
<% request.setCharacterEncoding("utf-8"); String[]?isUseCookie?=?request.getParameterValues("isUseCookie"); if(isUseCookie?!=?null?&&?isUseCookie.length>0){ String?username?=?URLEncoder.encode(request.getParameter("username"),?"utf-8"); String?password?=?URLEncoder.encode(request.getParameter("password"),?"utf-8"); Cookie?usernameCookie?=?new?Cookie("username",?username); Cookie?passwordCookie?=?new?Cookie("password",?password); //設(shè)置最大生存期限為10天 usernameCookie.setMaxAge(864000); passwordCookie.setMaxAge(864000); response.addCookie(usernameCookie); response.addCookie(passwordCookie); }else{ Cookie[]?cookies?=?request.getCookies();? if(cookies?!=?null?&&?cookies.length>0){ for(Cookie?c?:?cookies){ if(c.getName().equals("username")?||?c.getName().equals("password")){ c.setMaxAge(0); response.addCookie(c); } } } } %> <% request.setCharacterEncoding("utf-8"); String?username?=?""; String?password?=?""; Cookie[]?cookies?=?request.getCookies();? if(cookies?!=?null?&&?cookies.length>0){ for(Cookie?c?:?cookies){ if(c.getName().equals("username")){ username?=?URLDecoder.decode(c.getValue(),?"utf-8"); } if(c.getName().equals("password")){ password?=?URLDecoder.decode(c.getValue(),?"utf-8"); } } } %>你看一下，不知道對你有沒有幫助。