我做自动登录的功能，是这样操作的：
[code="java"]
package com.zuwoba.presentation.action.account;
import java.util.Map;
import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import org.apache.struts2.ServletActionContext;
import org.apache.struts2.StrutsStatics;
import org.apache.struts2.interceptor.ServletRequestAware;
import org.apache.struts2.interceptor.ServletResponseAware;
import com.opensymphony.xwork2.ActionContext;
import com.zuwoba.model.User;
import com.zuwoba.model.UserSession;
import com.zuwoba.presentation.action.base.BaseAction;
import com.zuwoba.util.EmailLoginAddress;
import com.zuwoba.util.MD5_Encoding;
/**
@declaration
*/
public class LoginAction extends BaseAction implements ServletRequestAware,ServletResponseAware{
private String email_username;
private String password;
private String captcha;
private String autologin;
private HttpServletRequest request;
private HttpServletResponse response;
// 提示窗口
private String hint;
private String tip;
public String getTip() {
return tip;
}
public void setTip(String tip) {
this.tip = tip;
}
public String getPassword() {
return password;
}
public void setPassword(String password) {
this.password = password;
}
public String getAutologin() {
return autologin;
}
public void setAutologin(String autologin) {
this.autologin = autologin;
}
public String getEmail_username() {
return email_username;
}
public void setEmail_username(String email_username) {
this.email_username = email_username;
}
public String getHint() {
return hint;
}
public void setHint(String hint) {
this.hint = hint;
}
public String getCaptcha() {
return captcha;
}
public void setCaptcha(String captcha) {
this.captcha = captcha;
}
public void setServletRequest(HttpServletRequest servletRequest) {
this.request=servletRequest;
}
public void setServletResponse(HttpServletResponse servletResponse) {
this.response=servletResponse;
}
@SuppressWarnings("unchecked")
public String execute() {
//// HttpServletResponse response = (HttpServletResponse) ActionContext
//// .getContext().get(StrutsStatics.HTTP_RESPONSE);
//// HttpServletRequest request = (HttpServletRequest) ActionContext
//// .getContext().get(StrutsStatics.HTTP_REQUEST);
//// HttpSession session = request.getSession();
// HttpServletResponse response=(HttpServletResponse)ServletActionContext.getResponse();
// HttpServletRequest request=(HttpServletRequest)ServletActionContext.getRequest();
HttpSession session=request.getSession();
//获得域名
// String host=request.getServerName();
String host="ceshi";
email_username = this.getEmail_username().trim();
password = this.getPassword().trim();
captcha = this.getCaptcha().trim().toLowerCase();
autologin = this.getAutologin();
// 密码加密
MD5_Encoding md5 = new MD5_Encoding();
password = md5.getMD5ofStr(password);
if (!captcha.equals(session.getAttribute("idcode"))) {
this.setTip("验证码错误");
this.setHint("failed");
return INPUT;
} else {
// Email登录
User user1 = userService.findUserByEmailPassword(email_username,
password);
if (user1 != null) {
if ("N".equals(user1.getEnable())) {// 邮件登陆但没有激活
String emailAddress = EmailLoginAddress
.getEmialLoginAddress(email_username);
session.setAttribute("email", email_username);
session.setAttribute("secret", user1.getSecret());
session.setAttribute("tempname", user1.getUsername());
session.setAttribute("emailAddress", emailAddress);
return "unverified";
} else {
// 处理自动登录
if (autologin != null) {
// 创建两个cookie对象
// 一个cookie记录用户名，另一个记录唯一的验证码
// 并将此验证码写入数据库，以备用户返回时查询（防止伪造cookie）
Cookie cookie1 = new Cookie("SESSION_LOGIN_USERNAME", user1
.getUsername());
cookie1.setMaxAge(60 * 60 * 24 * 14);// 设置cookie有效期为2周
cookie1.setPath("/");
cookie1.setDomain(host);
response.addCookie(cookie1);
String sessionid = session.getId();
Cookie cookie2 = new Cookie("SESSION_ID", sessionid);
cookie2.setMaxAge(60 * 60 * 24 * 14);
cookie2.setPath("/");
cookie2.setDomain(host);
response.addCookie(cookie2);
// 在数据库中插入相应记录
UserSession userSession = new UserSession();
userSession.setUsername(user1.getUsername());
userSession.setSessionid(sessionid);
userService.addUserSession(userSession);
}
session.setAttribute("user", user1);
return SUCCESS;
}
} else {
// 用户名登陆
User user2 = userService.findUserByUserNamePassword(
email_username, password);
if (user2 != null) {
if ("N".equals(user2.getEnable())) {// 用户名登陆但没有激活
String emailAddress = EmailLoginAddress
.getEmialLoginAddress(email_username);
session.setAttribute("email", email_username);
session.setAttribute("secret", user2.getSecret());
session.setAttribute("tempname", user2.getUsername());
session.setAttribute("emailAddress", emailAddress);
return "unverified";
} else {
// 处理自动登录
if (autologin != null) {
// 创建两个cookie对象
// 一个cookie记录用户名，另一个记录唯一的验证码
// 并将此验证码写入数据库，以备用户返回时查询（防止伪造cookie）
Cookie cookie1 = new Cookie("SESSION_LOGIN_USERNAME", user2
.getUsername());
cookie1.setMaxAge(60*60*24*14);// 设置cookie有效期为2周
cookie1.setPath("/");
cookie1.setDomain(host);
response.addCookie(cookie1);
String sessionid = session.getId();
Cookie cookie2 = new Cookie("SESSION_ID", sessionid);
cookie2.setMaxAge(60 * 60 * 24 * 14);
cookie2.setPath("/");
cookie2.setDomain(host);
response.addCookie(cookie2);
// 在数据库中插入相应记录
UserSession userSession = new UserSession();
userSession.setUsername(user2.getUsername());
userSession.setSessionid(sessionid);
userService.addUserSession(userSession);
}
session.setAttribute("user", user2);
return SUCCESS;
}
} else {
this.setHint("failed");
this.setTip("不存在这样的Email或用户名或密码错误");
return INPUT;
}
}
}
}
}
[/code]
奇怪的是，客户端就是不能生成cookie文件，我真的不知道是为什么了，哪位大哥分析一下是什么原因，小弟感激不尽
没仔细看楼主的代码,你的domain是什么值？ domain应该是xxxx.com的形式，比如网站是www.baidu.com,domain应该是baidu.com。
客户端是否把cookie关闭了？
没写成功。。这问题有很多种。。