// 通过传入的登录用户名，密码，去尝试登录，如果登录成功，则返回一个唯一的sessionId，否则，返回null
public String login() {
user.setErrorInfo(null);
if (StringUtils.isBlank(userService.login(user))) {
return "success";
} else {
user.setErrorInfo("login error...please reconfirm your username/password...");
return "failed";
}
}
public String login(User user) {
// 如果成功登录，则调用公共方法，生成一个唯一的key，然后插入数据库的临时表中
User newUser = userDao.detailUser(user);
if (null != newUser) {
logger.info("login success...");
// 通过用户的hashcode生成唯一key
String onlyKey = CommonUtils.generateKeyByUser(newUser);
System.out.println(onlyKey);
UserTmp userTmp = new UserTmp();
if (!StringUtils.isBlank(onlyKey)) {
userTmp.setUid(newUser.getUid());
userTmp.setUserSessionId(onlyKey);
userTmp.setStartTime(CommonUtils.generateDateString(new Date()));
userTmpDao.createUserTmp(userTmp);
logger.info("create user session successfully ...session is " + onlyKey);
return onlyKey;
}
}
return "";
}