我們要實現的就是,密碼連續輸入錯誤5次,就限制用戶十分鍾不能進行登錄。
大致的流程圖
數據庫設計如下
DROP TABLE IF EXISTS `user`; CREATE TABLE `user` ( `id` int(11) NOT NULL AUTO_INCREMENT, `username` varchar(64) NOT NULL COMMENT '用戶名', `password` varchar(255) NOT NULL COMMENT '用戶密碼', `email` varchar(64) DEFAULT NULL COMMENT '用戶郵箱', `status` int(11) NOT NULL DEFAULT '0' COMMENT '狀態,1代表刪除', `admin` int(11) NOT NULL DEFAULT '0' COMMENT '是否是管理員,1代表是管理員', `iphone` varchar(20) DEFAULT NULL COMMENT '用戶手機號', `workid` int(11) NOT NULL DEFAULT '0', `token` varchar(255) DEFAULT NULL, `errornum` int(2) NOT NULL DEFAULT '0', `freeze` int(2) NOT NULL DEFAULT '0', `freezetime` datetime DEFAULT NULL, PRIMARY KEY (`id`,`username`), KEY `username` (`username`) ) ENGINE=InnoDB AUTO_INCREMENT=49 DEFAULT CHARSET=utf8 COMMENT='用戶表';
那么我們來實現dao層
package pan.DaoObject; import com.fasterxml.jackson.annotation.JsonIgnoreProperties; import lombok.Data; import org.hibernate.annotations.DynamicUpdate; import pan.enmus.FreezeEmus; import pan.enmus.UserEmus; import javax.persistence.Entity; import javax.persistence.GeneratedValue; import javax.persistence.GenerationType; import javax.persistence.Id; import java.io.Serializable; import java.util.Date; @Data @DynamicUpdate @Entity @JsonIgnoreProperties(value = {"hibernateLazyInitializer", "handler"}) public class User implements Serializable { @Id @GeneratedValue(strategy = GenerationType.IDENTITY) private Integer id; private String username; private String password; private String email; private String iphone; private Integer status = UserEmus.UNDELETE.getCode(); private Integer admin = UserEmus.NOTADMIN.getCode(); private String token; private Date freezetime; private Integer errornum; private Integer freeze= FreezeEmus.UNDELETE.getCode(); }
對應的UserEmus
package pan.enmus; import lombok.Getter; @Getter public enum UserEmus { ADMIN(1, "管理員"), NOTADMIN(0, "非管理員"), DELETE(1, "刪除"), UNDELETE(0, "正常"); private Integer code; private String message; UserEmus(Integer code, String message) { this.code = code; this.message = message; } }
FreezeEmus 為:
package pan.enmus; import lombok.Getter; @Getter public enum FreezeEmus { DELETE(1,"凍結"), UNDELETE(0,"正常"); private Integer code; private String message; FreezeEmus(Integer code, String message){ this.code=code; this.message=message; } }
那么接下來,我們就是UserRepository實現
public interface UserRepository extends JpaRepository<User, Integer> {
User findByUsername(String username);
}
里面就用到了一個通過username查找用戶
那么我們接下來去實現service
@Service public class UserSericeImpl { @Autowired private UserRepository userRepository;
@Override
public User login(String username, String password) {
User user = userRepository.findByUsername(username);
if (user != null) {
if (user.getStatus().equals( UserEmus.DELETE.getCode())){
throw new PanExection(ResultEmus.USER_DELETE);
}
SimpleDateFormat format=new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
try{
try {
if(user.getFreeze().equals(FreezeEmus.DELETE.getCode())&& (new Date().getTime()-format.parse(user.getFreezetime().toString()).getTime()<6*60*1000)){
user.setErrornum(0);
userRepository.saveAndFlush(user);
throw new PanExection(ResultEmus.USER_FREE);
}
} catch (ParseException e) {
e.printStackTrace();
}
}catch (NullPointerException e){
userRepository.saveAndFlush(user);
}
Boolean b = null;
try {
b = MD5Until.checkoutpassword(password, user.getPassword());
} catch (Exception e) {
throw new PanExection(ResultEmus.EXCEPTIONS);
}
if (b) {
String key = "Plan_" + user.getUsername();
String tokned = (String) userredis(redisTemplate).opsForValue().get(key);
user.setErrornum(0);
user.setFreezetime(null);
if (tokned == null) {
Date date = new Date();
String tokne = null;
try {
tokne = MD5Until.md5(key + date.toString());
} catch (Exception e) {
throw new PanExection(ResultEmus.EXCEPTIONS);
}
String token = user.getUsername() + "_" + tokne;
user.setToken(token);
userRepository.saveAndFlush(user);
userredis(redisTemplate).opsForValue().set(key, token, 1, TimeUnit.DAYS);
return user;
} else {
userRepository.saveAndFlush(user);
return user;
}
}else {
if(user.getErrornum()>4){
user.setErrornum(user.getErrornum()+1);
user.setFreeze(FreezeEmus.DELETE.getCode());
user.setFreezetime(new Date());
userRepository.saveAndFlush(user);
throw new PanExection(ResultEmus.USER_FREE);
}else {
Integer err=user.getErrornum()+1;
user.setErrornum(err);
userRepository.saveAndFlush(user);
throw new PanExection(ResultEmus.USER_ERROR_PASSWORD);
}
}
}
throw new PanExection(ResultEmus.USER_NOT_EXIT);
}
}
我們最后去實現一個contorller類
import io.swagger.annotations.Api; import io.swagger.annotations.ApiOperation; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.data.redis.core.RedisTemplate; import org.springframework.validation.BindingResult; import org.springframework.web.bind.annotation.*; import pan.DaoObject.User; import pan.Form.UserForm; import pan.config.RedisConfig; import pan.converter.UserForm2User; import pan.enmus.ResultEmus; import pan.exection.PanExection; import pan.service.FileService; import pan.service.UserSerice; import pan.untils.RedisDbInit; import pan.untils.ResultVOUntils; import pan.vo.ResultVO; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import javax.validation.Valid; import java.util.HashMap; import java.util.Map; @RestController @Api(tags = "2.4", description = "登錄", value = "實現登錄") @RequestMapping("/plan") public class LoginContorl { @Autowired private UserSerice userSerice; @Autowired private RedisTemplate redisTemplate; @Autowired private FileService fileService; private RedisTemplate setusertoken(RedisTemplate redisTemplate) { redisTemplate = RedisDbInit.initRedis(RedisConfig.userreidport, redisTemplate); return redisTemplate; } @ApiOperation(value = "登錄", notes = "用戶登錄") @PostMapping(value = "/login", produces = "application/json") public ResultVO login(@Valid UserForm userForm, BindingResult bindingResult) { if (bindingResult.hasErrors()) { throw new PanExection(ResultEmus.PARM_ERROR.getCode(), bindingResult.getFieldError().getDefaultMessage()); } User user = UserForm2User.convert(userForm); User login = userSerice.login(user.getUsername(), user.getPassword()); Map<String, String> map = new HashMap<>(); String redis = (String) setusertoken(redisTemplate).opsForValue().get("Plan_" + user.getUsername()); Boolean superadmin=userSerice.usersuperadmin(login.getId()); if(superadmin){ map.put("is_super","1"); }else{ map.put("is_super","0"); } if (login != null) { map.put("userid", login.getId().toString()); map.put("token", redis); return ResultVOUntils.success(map); } return ResultVOUntils.error(1, "密碼或者用戶名錯誤"); } }
到此我們的代碼部分已經實現,
補充
ResultVOUntils代碼
public class ResultVOUntils { public static ResultVO success(Object object){ ResultVO resultVO=new ResultVO(); resultVO.setData(object); resultVO.setMsg("成功"); resultVO.setCode(0); return resultVO; } public static ResultVO success(){ return success(null); } public static ResultVO error(Integer code ,String msg){ ResultVO resultVO=new ResultVO(); resultVO.setCode(code); resultVO.setMsg(msg); return resultVO; } public static ResultVO error(Object object){ ResultVO resultVO=new ResultVO(); resultVO.setData(object); resultVO.setMsg("失敗"); resultVO.setCode(1); return resultVO; } }
restultvo代碼
import lombok.Data; @Data public class ResultVO<T> { private Integer code; private String msg; private T data; }
PanExection代碼
package pan.exection; import lombok.Getter; import pan.enmus.CaseResultEmus; import pan.enmus.ResultEmus; @Getter public class PanExection extends RuntimeException { private Integer code; public PanExection(ResultEmus resultEmuns) { super(resultEmuns.getMessage()); this.code = resultEmuns.getCode(); } public PanExection(CaseResultEmus resultEmuns) { super(resultEmuns.getMessage()); this.code = resultEmuns.getCode(); } public PanExection(Integer code, String message) { super(message); this.code = code; } }
那么到現在我們的代碼已經實現 完畢,那么我們去實驗下,
使用數據 lileilei 密碼lileilei 進行校驗
使用postman進行測試,密碼輸入正確返回結果正常
密碼輸入錯誤

超出后
補充ResultEmus代碼:
package pan.enmus; import lombok.Getter; @Getter public enum ResultEmus { SUCCESS_REQUEST(0, "成功"), USER_NOT_EXIT(1, "用戶不存在"), USER_BIND(2, "用戶已經綁定"), USER_DELETE(3, "用戶已經刪除"), EXCEPTIONS(4, "轉化異常"), USER_ERROR_PASSWORD(225, "密碼錯誤"), USER_FREE(115,"你已經被凍結,密碼輸入次數超過五次,請10分鍾再來登錄"), ; private Integer code; private String message; ResultEmus(Integer code, String message) { this.code = code; this.message = message; } }
到這里,我們的登錄已經實現完畢。在標准的工程里面可以正常實現,
由於我配置了阿里的druid的監控
那么我可以看到相應的監控信息sql執行情況

這樣我們用mysql實現的簡單的用戶名密碼輸入錯誤5次,限制登錄十分鍾就實現完畢。
實現起來沒有那么難,難的是我們的思路,已經在不斷的調試中前進,其實我還是感覺這里面是有bug的,后續有空我會來測試下這里的代碼。