校验登录用户名和密码

//校验用户信息
public User checkLogin(User user) {
String password=user.getPassword();
String userName=user.getUserName();
System.out.println(“前台传送user”+user);

    User userReturn=userDao.getUserByName(userName);    System.out.println("dao得到的userReturn"+userReturn+"  "+userReturn.getPassword());    if((userReturn.getPassword()).equals(password)){        System.out.println("长得一样");        return userReturn;    }    else{        userReturn=null;        return userReturn;    }}