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从零开始码后台管理系统—权限表设计

前后台可以正式接通以后,从零我们就可以设计基础的开始几个数据库表了,菜单表、码后角色表、台管统权用户表、理系角色菜单表和用户角色表,限表有这5个表我们就可以搞定用户权限。设计

因为要开始涉及数据库操作,从零每个表的开始单表操作我们都会创建Controller、源码库Service、码后Entity、台管统权Mapper、理系MapperXML,限表我们先来新建数据库表结构,设计先建立最基础的从零表结构,后续有需要再完善,毕竟使用了MybatisPlus,改变结构之后只需要在实体类加属性就好了。网站模板

用户表:CREATE TABLE `sys_user` (

`id` int(11) NOT NULL AUTO_INCREMENT,

`username` varchar(20) NOT NULL COMMENT 用户名,

`password` varchar(200) NOT NULL COMMENT 密码,

`salt` varchar(10) DEFAULT NULL COMMENT 盐,

`name` varchar(64) DEFAULT NULL COMMENT 姓名,

`create_time` datetime DEFAULT CURRENT_TIMESTAMP COMMENT 创建时间,

`create_by` int(11) DEFAULT NULL COMMENT 创建者,

`update_time` datetime DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP COMMENT 修改时间,

`update_by` int(11) DEFAULT NULL COMMENT 修改人,

PRIMARY KEY (`id`)

) ENGINE=InnoDB AUTO_INCREMENT=2 DEFAULT CHARSET=utf8 COMMENT=用户账户;角色表:CREATE TABLE `sys_role` (

`id` int(11) NOT NULL AUTO_INCREMENT,

`label` varchar(200) DEFAULT NULL COMMENT 角色名称,

`alias` varchar(100) DEFAULT NULL COMMENT 角色别名,

`sort` int(11) DEFAULT 0 COMMENT 排序,

`create_time` datetime DEFAULT CURRENT_TIMESTAMP COMMENT 创建时间,

`create_by` int(11) DEFAULT NULL COMMENT 创建者,

`update_time` datetime DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP COMMENT 修改时间,

`update_by` int(11) DEFAULT NULL COMMENT 修改人,

PRIMARY KEY (`id`)

) ENGINE=InnoDB DEFAULT CHARSET=utf8 COMMENT=角色表;用户角色表:CREATE TABLE `sys_user_role` (

`id` int(11) DEFAULT NULL,

`user_id` int(11) DEFAULT NULL,

`role_id` int(11) DEFAULT NULL

) ENGINE=InnoDB DEFAULT CHARSET=utf8 COMMENT=用户角色表;菜单表:CREATE TABLE `sys_menu` (

`id` int(11) NOT NULL AUTO_INCREMENT,

`parent_id` int(11) DEFAULT NULL COMMENT 上级菜单,

`title` varchar(200) DEFAULT NULL COMMENT 显示名称,

`type` varchar(10) DEFAULT NULL COMMENT 类型,

`name` varchar(100) DEFAULT NULL COMMENT 别名,

`icon` varchar(100) DEFAULT NULL COMMENT 菜单图标,

`path` varchar(100) DEFAULT NULL COMMENT 路由地址,

`redirect` varchar(200) DEFAULT NULL COMMENT 重定向,

`active` varchar(200) DEFAULT NULL COMMENT 菜单高亮,

`component` varchar(100) DEFAULT NULL COMMENT 视图,

`color` varchar(10) DEFAULT NULL COMMENT 颜色,

`hidden` bit(1) DEFAULT b0 COMMENT 隐藏菜单,

`hidden_breadcrumb` bit(1) DEFAULT b0 COMMENT 隐藏面包屑,

`create_time` datetime DEFAULT CURRENT_TIMESTAMP COMMENT 创建时间,

`create_by` int(11) DEFAULT NULL COMMENT 创建者,

`update_time` datetime DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP COMMENT 修改时间,

`update_by` int(11) DEFAULT NULL COMMENT 修改人,

PRIMARY KEY (`id`)

) ENGINE=InnoDB DEFAULT CHARSET=utf8 COMMENT=菜单表;角色菜单表:CREATE TABLE `sys_role_menu` (

`id` int(11) NOT NULL AUTO_INCREMENT,

`role_id` int(11) DEFAULT NULL COMMENT 角色ID,

`menu_id` int(11) DEFAULT NULL COMMENT 菜单ID,

PRIMARY KEY (`id`)

) ENGINE=InnoDB DEFAULT CHARSET=utf8 COMMENT=角色菜单表;

在用户表中插入超管账号:

INSERT INTO `demo`.`sys_user` (`id`, `username`, `password`, `salt`, `name`, `create_time`, `create_by`, `update_time`, `update_by`) VALUES (1, admin, admin, 123456, 超级管理员, DEFAULT, NULL, DEFAULT, NULL)

引入Lombok方便写实体类

org.projectlombok

lombok

1.18.22

</dependency>

新建用户相关类:

@Data

@TableName("sys_user")

public class SysUserEntity {

@TableId

private Long id;

private String username;

private String password;

private String salt;

private String name;

private LocalDateTime createTime;

private Long createBy;

private LocalDateTime updateTime;

private Long updateBy;

}

@Mapper

public interface SysUserMapper extends BaseMapper {

}

public interface SysUserService extends IService {

/

**

* 根据用户名获取用户信息

* @param username

* @return

*/

SysUserEntity getUserByUserName(String username);

}

/

**

* @program:

* @description: 用户服务层

* @author:

* @create: 2022-01-27 16:58

**/

@Service("sysUserService")

public class SysUserServiceImpl extends ServiceImpl implements SysUserService {

@Override

public SysUserEntity getUserByUserName(String username) {

return this.baseMapper.selectOne(new LambdaQueryWrapper()

.eq(SysUserEntity::getUsername,username)

);

}

}

修改完善部分登录服务代码:

@RestController

@RequestMapping("/")

public class LoginController {

@Autowired

private LoginService loginService;

@PostMapping("token")

public SaResult doLogin(@RequestBody LoginForm form) throws Exception {

Map data = loginService.login(form);

return SaResult.data(data);

}

}

public interface LoginService {

Map login(LoginForm form) throws Exception;

}@Service("loginService")

public class LoginServiceImpl implements LoginService {

@Autowired

private SysUserService userService;

@Override

public Map login(LoginForm form) throws Exception {

// 验证码校验

// 用户是否存在校验

SysUserEntity user = userService.getUserByUserName(form.getUsername());

System.out.println(user);

if (user == null){

throw new Exception("用户不存在");

}

// 密码校验

// 用户登录

StpUtil.login(form.getUsername());

// 返回结果

Map data = new HashMap<>();

data.put("token",StpUtil.getTokenValue());

data.put("userInfo","{ "

+ "\"dashboard\": " + 0

+ ", \"userId\": \"1\""

+ ", \"userName\": \"Administrator\""

+ ", \"role\": \"[\"SA\", \"admin\", \"Auditor\"]\""

+ "}");

return data;

}

}

重启项目调用登录,控制台输出一下内容

LoginForm(username=admin, password=21232f297a57a5a743894a0e4a801fc3)

SysUserEntity(id=1, username=admin, password=admin, salt=123456, name=超级管理员,

createTime=2022-01-27T17:14:16, createBy=null, updateTime=2022-01-27T17:14:16,

updateBy=null)

SaLog -->: 账号[admin]登录成功

整体登录流程就是这样了,继续完善。先确定密码加密方式:

md5(md5(password)+md5(salt))

在测试类中生成密码存到数据库中

@Test

public void createPass(){

System.out.println(SaSecureUtil.md5(SaSecureUtil.md5("admin")+SaSecureUtil.md5("20f883")));

}

登录接口中密码已经在前端经过md5加密,所以修改后端代码

if (user == null){

// 用户不存在

throw new Exception("账号密码错误");

}

// 密码校验

String password = SaSecureUtil.md5(form.getPassword()+SaSecureUtil.md5(user.getSalt()));

if(!user.getPassword().equals(password)){

throw new Exception("账号密码错误");

}

新建菜单Controller

@RestController

@RequestMapping("/system/menu")

public class SysMenuController {

// 创建几个静态路由

@GetMapping("/my")

public SaResult my(){

Map data = new HashMap<>();

List menu = new ArrayList<>();

List permissions = new ArrayList<>();

permissions.add("list.add");

permissions.add("list.edit");

permissions.add("list.delete");

permissions.add("user.add");

permissions.add("user.edit");

permissions.add("user.delete");

data.put("permissions",permissions);

SysMenuDTO menuitem = new SysMenuDTO("home","/home","home","首页","el-icon-eleme-filled","menu",null);

Listchildrens = new ArrayList<>();

childrens.add(new SysMenuDTO("dashboard","/dashboard","home","控制台","el-icon-menu","menu",true));

childrens.add(new SysMenuDTO("userCenter","/userCenter","userCenter","个人信息","el-icon-user","menu",null));

menuitem.setChildren(childrens);

menu.add(menuitem);

menuitem = new SysMenuDTO("setting","/setting","setting/system","配置","el-icon-setting","menu",null);

childrens = new ArrayList<>();

childrens.add(new SysMenuDTO("settingMenu","/setting/menu","setting/menu","菜单管理","el-icon-fold","menu",null));

menuitem.setChildren(childrens);

menu.add(menuitem);

data.put("menu",menu);

return SaResult.data(data);

}

}

重启登录

获取到的菜单

OK,接下来从完善菜单管理开始逐步写。

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