Java项目:在线点餐系统(java+Springboot+Maven+mybatis+Vue+mysql+Redis)

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项目描述：

这是一个基于SpringBoot+Vue框架开发的在线点餐系统。首先，这是一个前后端分离的项目。具有一个在线点餐系统该有的所有功能。

项目功能：

此项目分为两个角色：普通用户和管理员。普通用户有登录注册、浏览商品信息、添加购物车、结算订单、查看个人信息、查看个人订单详情等等功能。管理员有管理所有商品信息、管理所有订单信息、管理所有用户信息、查看收益数据图表等等功能。

应用技术：SpringBoot + VueCli + MySQL + MyBatis + Redis + ElementUI

运行环境：IntelliJ IDEA2019.3.5 + MySQL5.7+ Redis5.0.5 + JDK1.8 + Maven3.6.3+ Node14.16.1

管理员controller：

/**
 * 管理员controller
 */
@Controller
@RequestMapping("/config")
public class UserController {
    @Autowired
    UserRoleService userRoleService;
    @Autowired
    UserService userService;
    @Autowired
    RoleService roleService;


    @RequestMapping("/enableStatus")
    @ResponseBody
    public String enableStatus(@RequestParam(value = "name") String name){
        return userService.enableStatus(name);
    }

    @RequestMapping("/stopStatus")
    @ResponseBody
    public String stopStatus(@RequestParam(value = "name") String name){
        return userService.stopStatus(name);
    }

    @RequestMapping("/adminAdd")
    public String adminadd(Model model){
        List<Role> list = roleService.list();
        model.addAttribute("rolelist",list);
        return "syspage/admin-add";
    }

    @RequestMapping("/listUser")
    public String list(Model model, Page page){

        PageHelper.offsetPage(page.getStart(),page.getCount());//分页查询
        List<User> us= userService.list();
        int total = (int) new PageInfo<>(us).getTotal();//总条数
        page.setTotal(total);

        model.addAttribute("us", us);//所有用户
        model.addAttribute("total",total);

        Map<User,List<Role>> user_roles = new HashMap<>();
        //每个用户对应的权限
        for (User user : us) {
            List<Role> roles=roleService.listRoles(user);
            user_roles.put(user, roles);
        }
        model.addAttribute("user_roles", user_roles);
 
        return "syspage/admin-list";
    }

    /**
     * 修改管理员角色
     * @param model
     * @param id
     * @return
     */
    @RequestMapping("/editUser")
    public String edit(Model model,Long id){
        List<Role> rs = roleService.list();
        model.addAttribute("rs", rs);      
        User user =userService.get(id);
        model.addAttribute("user", user);
        //当前拥有的角色
        List<Role> roles =roleService.listRoles(user);
        model.addAttribute("currentRoles", roles);
         
        return "syspage/admin-edit";
    }

    @RequestMapping("deleteUser")
    public String delete(Model model,long id){
        userService.delete(id);
        return "redirect:listUser";
    }

    @RequestMapping("updateUser")
    public String update(User user, long[] roleIds){
        userRoleService.setRoles(user,roleIds);
         
        String password=user.getPassword();
        //如果在修改的时候没有设置密码，就表示不改动密码
        if(user.getPassword().length()!=0) {
            String salt = new SecureRandomNumberGenerator().nextBytes().toString();
            int times = 2;
            String algorithmName = "md5";
            String encodedPassword = new SimpleHash(algorithmName,password,salt,times).toString();
            user.setSalt(salt);
            user.setPassword(encodedPassword);
        }
        else
            user.setPassword(null);
         
        userService.update(user);
 
        return "redirect:listUser";
 
    }
 
    @RequestMapping("addUser")
    public String add(User user,long[] roleIds){

        String salt = new SecureRandomNumberGenerator().nextBytes().toString();//生成随机数
        int times = 2;
        String algorithmName = "md5";
          
        String encodedPassword = new SimpleHash(algorithmName,user.getPassword(),salt,times).toString();
         
        User u = new User();
        u.setName(user.getName());
        u.setPassword(encodedPassword);
        u.setSalt(salt);
        u.setStatus(1);
        u.setAddress(user.getAddress());
        u.setPhone(user.getPhone());
        userService.add(u);

        userRoleService.setRoles(u,roleIds);
         
        return "redirect:listUser";
    }
 
}

管理员角色controler：

/**
 * 管理员角色controler
 */
@Controller
@RequestMapping("/config")
public class RoleController {
    @Autowired
    RoleService roleService;
    @Autowired
    RolePermissionService rolePermissionService;
    @Autowired
    PermissionService permissionService;

    @RequestMapping("/addRoleUI")
    public String addRole(){

        return "syspage/admin-role-add";
    }

    @RequestMapping("/listRole")
    public String list(Model model, Page page){
        PageHelper.offsetPage(page.getStart(),page.getCount());//分页查询
        List<Role> rs= roleService.list();
        int total = (int) new PageInfo<>(rs).getTotal();//总条数
        page.setTotal(total);

        model.addAttribute("rs", rs);

        model.addAttribute("roleSize",total);

        Map<Role,List<Permission>> role_permissions = new HashMap<>();
         
        for (Role role : rs) {
            List<Permission> ps = permissionService.list(role);
            role_permissions.put(role, ps);
        }
        model.addAttribute("role_permissions", role_permissions);

        return "syspage/admin-role";
    }

    @RequestMapping("/editRole")
    public String list(Model model,long id){
        Role role =roleService.get(id);
        model.addAttribute("role", role);
        //所有权限
        List<Permission> ps = permissionService.list();
        model.addAttribute("ps", ps);
        //当前管理员拥有的权限
        List<Permission> currentPermissions = permissionService.list(role);
        model.addAttribute("currentPermissions", currentPermissions);

        return "syspage/admin-role-edit";
    }

    @RequestMapping("/updateRole")
    public String update(Role role,long[] permissionIds){
        rolePermissionService.setPermissions(role, permissionIds);
        roleService.update(role);
        return "redirect:listRole";
    }
 
    @RequestMapping("/addRole")
    public String list(Model model,Role role){
        roleService.add(role);
        return "redirect:listRole";
    }

    @RequestMapping("/deleteRole")
    public String delete(Model model,long id){
        roleService.delete(id);
        return "redirect:listRole";
    }   
 
}

订单模块controller： 

/**
 * 订单模块controller
 */
@Controller
@RequestMapping("/order")
public class OrderController {

    @Autowired
    OrderService orderService;
    @Autowired
    OrderItemService orderItemService;

    /**
     * 所有订单
     * @param model
     * @param page
     * @return
     */
    @RequestMapping("/list")
    public String list(Model model, Page page){
        PageHelper.offsetPage(page.getStart(),page.getCount());

        List<Order> os= orderService.list();

        int total = (int) new PageInfo<>(os).getTotal();
        page.setTotal(total);
        //为订单添加订单项数据
        orderItemService.fill(os);

        model.addAttribute("os", os);
        model.addAttribute("page", page);
        model.addAttribute("totals", total);

        return "ordermodule/order-list";
    }

    /**
     * 订单发货
     * @param o
     * @return
     */
    @RequestMapping("/orderDelivery")
    public String delivery(Order o){
        o.setStatus(2);
        orderService.update(o);
        return "redirect:list";
    }

    /**
     * 查看当前订单的订单项
     * @param oid
     * @param model
     * @return
     */
    @RequestMapping("/seeOrderItem")
    public String seeOrderItem(int oid,Model model){
        Order o = orderService.get(oid);
        orderItemService.fill(o);
        model.addAttribute("orderItems",o.getOrderItems());
        model.addAttribute("total",o.getOrderItems().size());
        model.addAttribute("totalPrice",o.getTotal());
        return "ordermodule/orderItem-list";
    }

}

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