用ssm框架实现用户签到功能,显示具体的代码
时间: 2024-05-12 15:18:23 浏览: 10
好的,以下是用SSM框架实现用户签到功能的代码:
Controller层:
```
@Controller
@RequestMapping("/user")
public class UserController {
@Autowired
private UserService userService;
@RequestMapping("/signin")
@ResponseBody
public String signIn(@RequestParam("userId") Integer userId) {
boolean result = userService.signIn(userId);
if (result) {
return "签到成功!";
} else {
return "签到失败!";
}
}
}
```
Service层:
```
@Service
public class UserServiceImpl implements UserService {
@Autowired
private UserDao userDao;
@Override
public boolean signIn(Integer userId) {
User user = userDao.selectByPrimaryKey(userId);
if (user == null) {
return false;
}
// 判断今天是否已经签到
Date today = new Date();
boolean isSignedIn = DateUtils.isSameDay(user.getSignInTime(), today);
if (isSignedIn) {
return false;
}
// 更新签到时间
user.setSignInTime(today);
userDao.updateByPrimaryKey(user);
return true;
}
}
```
Dao层:
```
public interface UserDao {
User selectByPrimaryKey(Integer userId);
int updateByPrimaryKey(User record);
}
```
注意:以上仅是示例代码,实际情况可能需要根据具体需求进行修改。