Java实战角色权限后台脚手架系统的实现流程

springboot框架+mybaits-plus+mysql实现的角色权限后台管理脚手架系统实战项目，实现的是所有系统最基础的后台管理功能，有了这个脚手架，以后开发别的项目就在这上面快速增加功能即可。本系统主要实现的功能有：菜单管理、角色管理、用户管理、登录、登出，不同的角色分配相应的权限，用户分配不同的角色登录后显示相应被分配的功能。

本系统采用前后端分离的思想设计，后端采用springboot微服务架构，主要包含一个网关服务和一个权限管理服务，开发其他功能可以再创建其他的微服务，前端采用vue+element-ui实现。

1.本系统开发所需的基础环境及版本：

软件	版本
jdk	1.8
mysql	5.7
maven	3.6.1
nacos	1.1.4
redis	5.0.10
node	14.17.3

系统控制器:

/**
 * 系统控制器
 * @author yy
 *
 */
@requestmapping("/system")
@controller
public class systemcontroller {
 
	
	
	@autowired
	private operaterlogservice operaterlogservice;
	
	@autowired
	private userservice userservice;
	
	@autowired
	private databasebakservice databasebakservice;
 
	@autowired
	private staffservice staffservice;
	@autowired
	private orderauthservice orderauthservice;
 
	private logger log = loggerfactory.getlogger(systemcontroller.class);
	
	/**
	 * 登录页面
	 * @param model
	 * @return
	 */
	@requestmapping(value="/login",method=requestmethod.get)
	public string login(model model){
		model.addattribute("logintypes", logintype.values());
		return "admin/system/login";
	}
	
	/**
	 * 用户登录提交表单处理方法
	 * @param request
	 * @param cpacha
	 * @return
	 */
	@requestmapping(value="/login",method=requestmethod.post)
	@responsebody
	public result<boolean> login(httpservletrequest request,string username,string password,string cpacha,integer type){
		if(stringutils.isempty(username)){
			return result.error(codemsg.admin_username_empty);
		}
		if(stringutils.isempty(password)){
			return result.error(codemsg.admin_password_empty);
		}
 
		//表示实体信息合法，开始验证验证码是否为空
		if(stringutils.isempty(cpacha)){
			return result.error(codemsg.cpacha_empty);
		}
		//说明验证码不为空，从session里获取验证码
		object attribute = request.getsession().getattribute("admin_login");
		if(attribute == null){
			return result.error(codemsg.session_expired);
		}
		//表示session未失效，进一步判断用户填写的验证码是否正确
		if(!cpacha.equalsignorecase(attribute.tostring())){
			return result.error(codemsg.cpacha_error);
		}
 
		if(type == logintype.administrator.getcode()){
			//表示验证码正确，开始查询数据库，检验密码是否正确
			user findbyusername = userservice.findbyusername(username);
			//判断是否为空
			if(findbyusername == null){
				return result.error(codemsg.admin_username_no_exist);
			}
			//表示用户存在，进一步对比密码是否正确
			if(!findbyusername.getpassword().equals(password)){
				return result.error(codemsg.admin_password_error);
			}
			//表示密码正确，接下来判断用户状态是否可用
			if(findbyusername.getstatus() == user.admin_user_status_unable){
				return result.error(codemsg.admin_user_unable);
			}
			//检查用户所属角色状态是否可用
			if(findbyusername.getrole() == null || findbyusername.getrole().getstatus() == role.admin_role_status_unable){
				return result.error(codemsg.admin_user_role_unable);
			}
			//检查用户所属角色的权限是否存在
			if(findbyusername.getrole().getauthorities() == null || findbyusername.getrole().getauthorities().size() == 0){
				return result.error(codemsg.admin_user_role_authorites_empty);
			}
			//检查一切符合，可以登录，将用户信息存放至session
			request.getsession().setattribute(sessionconstant.session_user_login_key, findbyusername);
			request.getsession().setattribute("logintype",type);
 
			//销毁session中的验证码
			request.getsession().setattribute("admin_login", null);
			//将登陆记录写入日志库
			operaterlogservice.add("用户【"+username+"】于【" + stringutil.getformatterdate(new date(), "yyyy-mm-dd hh:mm:ss") + "】登录系统！");
			log.info("用户成功登录，user = " + findbyusername);
		}else{
			staff byjobnumber = staffservice.findbynameandisstatus(username);
			//判断是否为空
			if(byjobnumber == null){
				return result.error(codemsg.admin_username_no_exist);
			}
 
			//表示用户存在，进一步对比密码是否正确
			if(!byjobnumber.getpassword().equals(password)){
				return result.error(codemsg.admin_password_error);
			}
 
			//检查用户所属角色状态是否可用
			if(byjobnumber.getrole() == null || byjobnumber.getrole().getstatus() == role.admin_role_status_unable){
				return result.error(codemsg.admin_user_role_unable);
			}
 
			//检查用户所属角色的权限是否存在
			if(byjobnumber.getrole().getauthorities() == null || byjobnumber.getrole().getauthorities().size() == 0){
				return result.error(codemsg.admin_user_role_authorites_empty);
			}
			//检查一切符合，可以登录，将用户信息存放至session
			request.getsession().setattribute(sessionconstant.session_staff_login_key, byjobnumber);
			request.getsession().setattribute("logintype",type);
			//销毁session中的验证码
			request.getsession().setattribute("admin_login", null);
			//将登陆记录写入日志库
			operaterlogservice.add("用户【"+username+"】于【" + stringutil.getformatterdate(new date(), "yyyy-mm-dd hh:mm:ss") + "】登录系统！");
			log.info("员工成功登录，user = " + byjobnumber);
		}
 
		return result.success(true);
	}
	
	/**
	 * 登录成功后的系统主页
	 * @param model
	 * @return
	 */
	@requestmapping(value="/index")
	public string index(model model){
		model.addattribute("operatorlogs", operaterlogservice.findlastestlog(10));
		model.addattribute("usertotal", userservice.total());
		model.addattribute("operatorlogtotal", operaterlogservice.total());
		model.addattribute("databasebackuptotal", databasebakservice.total());
		model.addattribute("onlineusertotal", sessionlistener.onlineusercount);
		return "admin/system/index";
	}
	
	/**
	 * 注销登录
	 * @return
	 */
	@requestmapping(value="/logout")
	public string logout(){
		integer logintype = (integer) sessionutil.get("logintype");
		if(logintype == logintype.administrator.getcode()){
			user logineduser = sessionutil.getlogineduser();
			if(logineduser != null){
				sessionutil.set(sessionconstant.session_user_login_key, null);
			}
		}else if(logintype == logintype.staff.getcode()){
			staff loginedstaff = sessionutil.getloginedstaff();
			if(loginedstaff != null){
				sessionutil.set(sessionconstant.session_staff_login_key,null);
			}
		}
		return "redirect:login";
	}
	
	/**
	 * 无权限提示页面
	 * @return
	 */
	@requestmapping(value="/no_right")
	public string noright(){
		return "admin/system/no_right";
	}
	
	/**
	 * 修改用户个人信息
	 * @return
	 */
	@requestmapping(value="/update_userinfo",method=requestmethod.get)
	public string updateuserinfo(){
		return "admin/system/update_userinfo";
	}
	
	/**
	 * 修改个人信息保存
	 * @param user
	 * @return
	 */
	@requestmapping(value="/update_userinfo",method=requestmethod.post)
	public string updateuserinfo(user user){
		user logineduser = sessionutil.getlogineduser();
		logineduser.setemail(user.getemail());
		logineduser.setmobile(user.getmobile());
		logineduser.setheadpic(user.getheadpic());
		//首先保存到数据库
		userservice.save(logineduser);
		//更新session里的值
		sessionutil.set(sessionconstant.session_user_login_key, logineduser);
		return "redirect:update_userinfo";
	}
	
	/**
	 * 修改密码页面
	 * @return
	 */
	@requestmapping(value="/update_pwd",method=requestmethod.get)
	public string updatepwd(){
		return "admin/system/update_pwd";
	}
	
	/**
	 * 修改密码表单提交
	 * @param oldpwd
	 * @param newpwd
	 * @return
	 */
	@requestmapping(value="/update_pwd",method=requestmethod.post)
	@responsebody
	public result<boolean> updatepwd(@requestparam(name="oldpwd",required=true)string oldpwd,
			@requestparam(name="newpwd",required=true)string newpwd
			){
		integer logintype = (integer) sessionutil.get("logintype");
		if(logintype == logintype.administrator.getcode()){
			user logineduser = sessionutil.getlogineduser();
			if(!logineduser.getpassword().equals(oldpwd)){
				return result.error(codemsg.admin_user_update_pwd_error);
			}
			if(stringutils.isempty(newpwd)){
				return result.error(codemsg.admin_user_update_pwd_empty);
			}
			if(newpwd.length()<4 || newpwd.length()>32){
				return result.error(codemsg.admin_user_pwd_length_error);
			}
			logineduser.setpassword(newpwd);
			//保存数据库
			userservice.save(logineduser);
			//更新session
			sessionutil.set(sessionconstant.session_user_login_key, logineduser);
		}else{
			staff loginedstaff = sessionutil.getloginedstaff();
 
			staff staff = staffservice.find(loginedstaff.getid());
			if(!staff.getpassword().equals(oldpwd)){
				return result.error(codemsg.admin_user_update_pwd_error);
			}
			if(stringutils.isempty(newpwd)){
				return result.error(codemsg.admin_user_update_pwd_empty);
			}
 
			staff.setpassword(newpwd);
 
			codemsg codemsg = validateentityutil.validate(staff);
			if (codemsg.getcode() != codemsg.success.getcode()){
				return result.error(codemsg);
			}
 
			loginedstaff.setpassword(newpwd);
			//保存数据库
			staffservice.save(loginedstaff);
			//更新session
			sessionutil.set(sessionconstant.session_staff_login_key, loginedstaff);
		}
 
		return result.success(true);
	}
	
	/**
	 * 日志管理列表
	 * @param model
	 * @param operaterlog
	 * @param pagebean
	 * @return
	 */
	@requestmapping(value="/operator_log_list")
	public string operatorloglist(model model,operaterlog operaterlog,pagebean<operaterlog> pagebean){
		model.addattribute("pagebean", operaterlogservice.findlist(operaterlog, pagebean));
		model.addattribute("operator", operaterlog.getoperator());
		model.addattribute("title", "日志列表");
		return "admin/system/operator_log_list";
	}
	/**
	 * 验证订单
	 * @param ordersn
	 * @param phone
	 * @return
	 */
	@requestmapping(value="/auth_order",method=requestmethod.post)
	@responsebody
	public result<boolean> authorder(@requestparam(name="ordersn",required=true)string ordersn,@requestparam(name="phone",required=true)string phone){
 
		orderauth orderauth = new orderauth();
		orderauth.setmac(stringutil.getmac());
		orderauth.setordersn(ordersn);
		orderauth.setphone(phone);
		orderauthservice.save(orderauth);
		appconfig.order_auth = 1;
		return result.success(true);
	}
 
	/**
	 * 删除操作日志，可删除多个
	 * @param ids
	 * @return
	 */
	@requestmapping(value="/delete_operator_log",method=requestmethod.post)
	@responsebody
	public result<boolean> delete(string ids){
		if(!stringutils.isempty(ids)){
			string[] splitids = ids.split(",");
			for(string id : splitids){
				operaterlogservice.delete(long.valueof(id));
			}
		}
		return result.success(true);
	}
	
	/**
	 * 清空整个日志
	 * @return
	 */
	@requestmapping(value="/delete_all_operator_log",method=requestmethod.post)
	@responsebody
	public result<boolean> deleteall(){
		operaterlogservice.deleteall();
		return result.success(true);
	}
}

后台用户管理控制器:

/**
 * 后台用户管理控制器
 * @author yy
 *
 */
@requestmapping("/admin/user")
@controller
public class usercontroller {
 
	@autowired
	private userservice userservice;
	@autowired
	private roleservice roleservice;
	@autowired
	private operaterlogservice operaterlogservice;
	/**
	 * 用户列表页面
	 * @param model
	 * @param user
	 * @param pagebean
	 * @return
	 */
	@requestmapping(value="/list")
	public string list(model model,user user,pagebean<user> pagebean){
		model.addattribute("title", "用户列表");
		model.addattribute("username", user.getusername());
		model.addattribute("pagebean", userservice.findlist(user, pagebean));
		return "admin/user/list";
	}
	
	/**
	 * 新增用户页面
	 * @param model
	 * @return
	 */
	@requestmapping(value="/add",method=requestmethod.get)
	public string add(model model){
		model.addattribute("roles", roleservice.findall());
		return "admin/user/add";
	}
	
	/**
	 * 用户添加表单提交处理
	 * @param user
	 * @return
	 */
	@requestmapping(value="/add",method=requestmethod.post)
	@responsebody
	public result<boolean> add(user user){
		//用统一验证实体方法验证是否合法
		codemsg validate = validateentityutil.validate(user);
		if(validate.getcode() != codemsg.success.getcode()){
			return result.error(validate);
		}
		if(user.getrole() == null || user.getrole().getid() == null){
			return result.error(codemsg.admin_user_role_empty);
		}
		//判断用户名是否存在
		if(userservice.isexistusername(user.getusername(), 0l)){
			return result.error(codemsg.admin_username_exist);
		}
		//到这说明一切符合条件，进行数据库新增
		if(userservice.save(user) == null){
			return result.error(codemsg.admin_use_add_error);
		}
		operaterlogservice.add("添加用户，用户名：" + user.getusername());
		return result.success(true);
	}
	
	/**
	 * 用户编辑页面
	 * @param model
	 * @return
	 */
	@requestmapping(value="/edit",method=requestmethod.get)
	public string edit(model model,@requestparam(name="id",required=true)long id){
		model.addattribute("roles", roleservice.findall());
		model.addattribute("user", userservice.find(id));
		return "admin/user/edit";
	}
	
	/**
	 * 编辑用户信息表单提交处理
	 * @param user
	 * @return
	 */
	@requestmapping(value="/edit",method=requestmethod.post)
	@responsebody
	public result<boolean> edit(user user){
		//用统一验证实体方法验证是否合法
		codemsg validate = validateentityutil.validate(user);
		if(validate.getcode() != codemsg.success.getcode()){
			return result.error(validate);
		}
		if(user.getrole() == null || user.getrole().getid() == null){
			return result.error(codemsg.admin_user_role_empty);
		}
		if(user.getid() == null || user.getid().longvalue() <= 0){
			return result.error(codemsg.admin_use_no_exist);
		}
		if(userservice.isexistusername(user.getusername(), user.getid())){
			return result.error(codemsg.admin_username_exist);
		}
		//到这说明一切符合条件，进行数据库保存
		user findbyid = userservice.find(user.getid());
		//讲提交的用户信息指定字段复制到已存在的user对象中,该方法会覆盖新字段内容
		beanutils.copyproperties(user, findbyid, "id","createtime","updatetime");
		if(userservice.save(findbyid) == null){
			return result.error(codemsg.admin_use_edit_error);
		}
		operaterlogservice.add("编辑用户，用户名：" + user.getusername());
		return result.success(true);
	}
	
	/**
	 * 删除用户
	 * @param id
	 * @return
	 */
	@requestmapping(value="/delete",method=requestmethod.post)
	@responsebody
	public result<boolean> delete(@requestparam(name="id",required=true)long id){
		try {
			userservice.delete(id);
		} catch (exception e) {
			return result.error(codemsg.admin_use_delete_error);
		}
		operaterlogservice.add("删除用户，用户id：" + id);
		return result.success(true);
	}
}

后台角色管理控制器:

/**
 * 后台角色管理控制器
 * @author yy
 *
 */
@requestmapping("/admin/role")
@controller
public class rolecontroller {
 
	
	private logger log = loggerfactory.getlogger(rolecontroller.class);
	
	@autowired
	private menuservice menuservice;
	
	@autowired
	private operaterlogservice operaterlogservice;
	
	@autowired
	private roleservice roleservice;
	
	/**
	 * 分页搜索角色列表
	 * @param model
	 * @param role
	 * @param pagebean
	 * @return
	 */
	@requestmapping(value="/list")
	public string list(model model,role role,pagebean<role> pagebean){
		model.addattribute("title", "角色列表");
		model.addattribute("name", role.getname());
		model.addattribute("pagebean", roleservice.findbyname(role, pagebean));
		return "admin/role/list";
	}
	
	/**
	 * 角色添加页面
	 * @param model
	 * @return
	 */
	@requestmapping(value="/add",method=requestmethod.get)
	public string add(model model){
		list<menu> findall = menuservice.findall();
		model.addattribute("topmenus",menuutil.gettopmenus(findall));
		model.addattribute("secondmenus",menuutil.getsecondmenus(findall));
		model.addattribute("thirdmenus",menuutil.getthirdmenus(findall));
		return "admin/role/add";
	}
	
	/**
	 * 角色添加表单提交处理
	 * @param role
	 * @return
	 */
	@requestmapping(value="/add",method=requestmethod.post)
	@responsebody
	public result<boolean> add(role role){
		//用统一验证实体方法验证是否合法
		codemsg validate = validateentityutil.validate(role);
		if(validate.getcode() != codemsg.success.getcode()){
			return result.error(validate);
		}
		if(roleservice.save(role) == null){
			return result.error(codemsg.admin_role_add_error);
		}
		log.info("添加角色【"+role+"】");
		operaterlogservice.add("添加角色【"+role.getname()+"】");
		return result.success(true);
	}
	
	/**
	 * 角色编辑页面
	 * @param id
	 * @param model
	 * @return
	 */
	@requestmapping(value="/edit",method=requestmethod.get)
	public string edit(@requestparam(name="id",required=true)long id,model model){
		list<menu> findall = menuservice.findall();
		model.addattribute("topmenus",menuutil.gettopmenus(findall));
		model.addattribute("secondmenus",menuutil.getsecondmenus(findall));
		model.addattribute("thirdmenus",menuutil.getthirdmenus(findall));
		role role = roleservice.find(id);
		model.addattribute("role", role);
		model.addattribute("authorities",jsonarray.tojson(role.getauthorities()).tostring());
		return "admin/role/edit";
	}
	
	/**
	 * 角色修改表单提交处理
	 * @param request
	 * @param role
	 * @return
	 */
	@requestmapping(value="/edit",method=requestmethod.post)
	@responsebody
	public result<boolean> edit(role role){
		//用统一验证实体方法验证是否合法
		codemsg validate = validateentityutil.validate(role);
		if(validate.getcode() != codemsg.success.getcode()){
			return result.error(validate);
		}
		role existrole = roleservice.find(role.getid());
		if(existrole == null){
			return result.error(codemsg.admin_role_no_exist);
		}
		existrole.setname(role.getname());
		existrole.setremark(role.getremark());
		existrole.setstatus(role.getstatus());
		existrole.setauthorities(role.getauthorities());
		if(roleservice.save(existrole) == null){
			return result.error(codemsg.admin_role_edit_error);
		}
		log.info("编辑角色【"+role+"】");
		operaterlogservice.add("编辑角色【"+role.getname()+"】");
		return result.success(true);
	}
	
	/**
	 * 删除角色
	 * @param request
	 * @param id
	 * @return
	 */
	@requestmapping(value="delete",method=requestmethod.post)
	@responsebody
	public result<boolean> delete(@requestparam(name="id",required=true)long id){
		try {
			roleservice.delete(id);
		} catch (exception e) {
			// todo: handle exception
			return result.error(codemsg.admin_role_delete_error);
		}
		log.info("编辑角色id【"+id+"】");
		operaterlogservice.add("删除角色id【"+id+"】");
		return result.success(true);
	}
}

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