cookie只記住了密碼，沒記住用戶名是什么情況？
我的代碼是這樣的
login.jsp
<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
??? pageEncoding="ISO-8859-1"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>Insert title here</title>
</head>
<body>
<h1>Login</h1>
<hr>
<%
?? ??? ?String username = "";
?? ??? ?String password = "";
?? ??? ?Cookie[] cookies = request.getCookies();
?? ??? ?if (cookies != null && cookies.length > 0) {
?? ??? ??? ?for (Cookie c : cookies) {
?? ??? ??? ??? ?if (c.getName().equals("usename")) {
?? ??? ??? ??? ??? ?username = c.getValue();
?? ??? ??? ??? ?}
?? ??? ??? ??? ?if (c.getName().equals("password")) {
?? ??? ??? ??? ??? ?password = c.getValue();
?? ??? ??? ??? ?}
?? ??? ??? ?}
?? ??? ?}
?? ?%>
<form action="dologin.jsp" method="post" name="loginForm">
<table>
<tr>
<td>Username</td>
<td><input type="text" name="username" value="<%=username%>"/></td>
</tr>
<tr>
<td>Password</td>
<td><input type="password" name="password" value="<%=password%>"/></td>
</tr>
<tr>
<td colspan="2"><input type="checkbox" name="isUseCookie" checked="checked"/>10days</td>
</tr>
<tr>
<td colspan="2" align="center"><input type="submit" value="Login"></td>
</table>
</form>
</body>
</html>
-----------------------
dologin.jsp
<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
?? ?pageEncoding="ISO-8859-1"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>Insert title here</title>
</head>
<body>
?? ?<h1>Success</h1>
?? ?<hr>
?? ?<%
?? ??? ?//remenber or not
?? ??? ?String[] isUseCookies = request.getParameterValues("isUseCookie");
?? ??? ?if (isUseCookies != null && isUseCookies.length > 0) {
?? ??? ??? ?//create username and password in cookies
?? ??? ??? ?String username = request.getParameter("username");
?? ??? ??? ?String password = request.getParameter("password");
?? ??? ??? ?Cookie usernameCookie = new Cookie("username", username);
?? ??? ??? ?Cookie passwordCookie = new Cookie("password", password);
?? ??? ??? ?response.addCookie(usernameCookie);
?? ??? ??? ?response.addCookie(passwordCookie);
?? ??? ??? ?//10days
?? ??? ??? ?usernameCookie.setMaxAge(864000);
?? ??? ??? ?passwordCookie.setMaxAge(864000);
?? ??? ?} else {
?? ??? ??? ?Cookie[] cookies = request.getCookies();
?? ??? ??? ?if (cookies != null && cookies.length > 0) {
?? ??? ??? ??? ?for (Cookie c : cookies) {
?? ??? ??? ??? ??? ?if (c.getName().equals("usename")
?? ??? ??? ??? ??? ??? ??? ?|| c.getName().equals("password")) {
?? ??? ??? ??? ??? ??? ?c.setMaxAge(0);
?? ??? ??? ??? ??? ??? ?response.addCookie(c);
?? ??? ??? ??? ??? ?}
?? ??? ??? ??? ?}
?? ??? ??? ?}
?? ??? ?}
?? ?%>
?? ?<a href="users.jsp">Check User Info</a>
</body>
</html>
---------------------------
users.jsp
<!DOCTYPE HTML><%@page language="java"
?? ?contentType="text/html; charset=ISO-8859-1" pageEncoding="ISO-8859-1"%>
<html>
<head>
<title>index</title>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
</head>
<body>
?? ?<h1>Users</h1>
?? ?<%
?? ??? ?String username = "";
?? ??? ?String password = "";
?? ??? ?Cookie[] cookies = request.getCookies();
?? ??? ?if (cookies != null && cookies.length > 0) {
?? ??? ??? ?for (Cookie c : cookies) {
?? ??? ??? ??? ?if (c.getName().equals("usename")) {
?? ??? ??? ??? ??? ?username = c.getValue();
?? ??? ??? ??? ?}
?? ??? ??? ??? ?if (c.getName().equals("password")) {
?? ??? ??? ??? ??? ?password = c.getValue();
?? ??? ??? ??? ?}
?? ??? ??? ?}
?? ??? ?}
?? ?%>
?? ?Username=<%=username%><br> Password=<%=password%><br>
</body>
</html>
------------------
結果是密碼有cookie但是用戶名一直是空的
