经验首页 前端设计 程序设计 Java相关 移动开发 数据库/运维 软件/图像 大数据/云计算 其他经验
当前位置:技术经验 » Java相关 » Java » 查看文章
Java实战之校园外卖点餐系统的实现
来源:jb51  时间:2022/3/29 14:17:50  对本文有异议

一、项目简述

环境配置:

Jdk1.8 + Tomcat8.5 + mysql + Eclispe(IntelliJ IDEA,Eclispe,MyEclispe,Sts都支持)

项目技术:

JSP +Spring + SpringMVC + MyBatis + css + JavaScript + JQuery + Ajax + layui+ maven等等。

二、效果图展示

三、核心代码

管理员controller控制层

  1. /**
  2. * 管理员controller
  3. */
  4. @Controller
  5. @RequestMapping("/config")
  6. public class UserController {
  7. @Autowired
  8. UserRoleService userRoleService;
  9. @Autowired
  10. UserService userService;
  11. @Autowired
  12. RoleService roleService;
  13. @RequestMapping("/enableStatus")
  14. @ResponseBody
  15. public String enableStatus(@RequestParam(value = "name") String name){
  16. return userService.enableStatus(name);
  17. }
  18. @RequestMapping("/stopStatus")
  19. @ResponseBody
  20. public String stopStatus(@RequestParam(value = "name") String name){
  21. return userService.stopStatus(name);
  22. }
  23. @RequestMapping("/adminAdd")
  24. public String adminadd(Model model){
  25. List<Role> list = roleService.list();
  26. model.addAttribute("rolelist",list);
  27. return "syspage/admin-add";
  28. }
  29. @RequestMapping("/listUser")
  30. public String list(Model model, Page page){
  31. PageHelper.offsetPage(page.getStart(),page.getCount());//分页查询
  32. List<User> us= userService.list();
  33. int total = (int) new PageInfo<>(us).getTotal();//总条数
  34. page.setTotal(total);
  35. model.addAttribute("us", us);//所有用户
  36. model.addAttribute("total",total);
  37. Map<User,List<Role>> user_roles = new HashMap<>();
  38. //每个用户对应的权限
  39. for (User user : us) {
  40. List<Role> roles=roleService.listRoles(user);
  41. user_roles.put(user, roles);
  42. }
  43. model.addAttribute("user_roles", user_roles);
  44. return "syspage/admin-list";
  45. }
  46. /**
  47. * 修改管理员角色
  48. * @param model
  49. * @param id
  50. * @return
  51. */
  52. @RequestMapping("/editUser")
  53. public String edit(Model model,Long id){
  54. List<Role> rs = roleService.list();
  55. model.addAttribute("rs", rs);
  56. User user =userService.get(id);
  57. model.addAttribute("user", user);
  58. //当前拥有的角色
  59. List<Role> roles =roleService.listRoles(user);
  60. model.addAttribute("currentRoles", roles);
  61. return "syspage/admin-edit";
  62. }
  63. @RequestMapping("deleteUser")
  64. public String delete(Model model,long id){
  65. userService.delete(id);
  66. return "redirect:listUser";
  67. }
  68. @RequestMapping("updateUser")
  69. public String update(User user, long[] roleIds){
  70. userRoleService.setRoles(user,roleIds);
  71. String password=user.getPassword();
  72. //如果在修改的时候没有设置密码,就表示不改动密码
  73. if(user.getPassword().length()!=0) {
  74. String salt = new SecureRandomNumberGenerator().nextBytes().toString();
  75. int times = 2;
  76. String algorithmName = "md5";
  77. String encodedPassword = new SimpleHash(algorithmName,password,salt,times).toString();
  78. user.setSalt(salt);
  79. user.setPassword(encodedPassword);
  80. }
  81. else
  82. user.setPassword(null);
  83. userService.update(user);
  84. return "redirect:listUser";
  85. }
  86. @RequestMapping("addUser")
  87. public String add(User user,long[] roleIds){
  88. String salt = new SecureRandomNumberGenerator().nextBytes().toString();//生成随机数
  89. int times = 2;
  90. String algorithmName = "md5";
  91. String encodedPassword = new SimpleHash(algorithmName,user.getPassword(),salt,times).toString();
  92. User u = new User();
  93. u.setName(user.getName());
  94. u.setPassword(encodedPassword);
  95. u.setSalt(salt);
  96. u.setStatus(1);
  97. u.setAddress(user.getAddress());
  98. u.setPhone(user.getPhone());
  99. userService.add(u);
  100. userRoleService.setRoles(u,roleIds);
  101. return "redirect:listUser";
  102. }
  103. }

管理员角色controler控制层

  1. /**
  2. * 管理员角色controler
  3. */
  4. @Controller
  5. @RequestMapping("/config")
  6. public class RoleController {
  7. @Autowired
  8. RoleService roleService;
  9. @Autowired
  10. RolePermissionService rolePermissionService;
  11. @Autowired
  12. PermissionService permissionService;
  13. @RequestMapping("/addRoleUI")
  14. public String addRole(){
  15. return "syspage/admin-role-add";
  16. }
  17. @RequestMapping("/listRole")
  18. public String list(Model model, Page page){
  19. PageHelper.offsetPage(page.getStart(),page.getCount());//分页查询
  20. List<Role> rs= roleService.list();
  21. int total = (int) new PageInfo<>(rs).getTotal();//总条数
  22. page.setTotal(total);
  23. model.addAttribute("rs", rs);
  24. model.addAttribute("roleSize",total);
  25. Map<Role,List<Permission>> role_permissions = new HashMap<>();
  26. for (Role role : rs) {
  27. List<Permission> ps = permissionService.list(role);
  28. role_permissions.put(role, ps);
  29. }
  30. model.addAttribute("role_permissions", role_permissions);
  31. return "syspage/admin-role";
  32. }
  33. @RequestMapping("/editRole")
  34. public String list(Model model,long id){
  35. Role role =roleService.get(id);
  36. model.addAttribute("role", role);
  37. //所有权限
  38. List<Permission> ps = permissionService.list();
  39. model.addAttribute("ps", ps);
  40. //当前管理员拥有的权限
  41. List<Permission> currentPermissions = permissionService.list(role);
  42. model.addAttribute("currentPermissions", currentPermissions);
  43. return "syspage/admin-role-edit";
  44. }
  45. @RequestMapping("/updateRole")
  46. public String update(Role role,long[] permissionIds){
  47. rolePermissionService.setPermissions(role, permissionIds);
  48. roleService.update(role);
  49. return "redirect:listRole";
  50. }
  51. @RequestMapping("/addRole")
  52. public String list(Model model,Role role){
  53. roleService.add(role);
  54. return "redirect:listRole";
  55. }
  56. @RequestMapping("/deleteRole")
  57. public String delete(Model model,long id){
  58. roleService.delete(id);
  59. return "redirect:listRole";
  60. }
  61. }

后台登录控制层

  1. /**
  2. * 后台登陆
  3. */
  4. @Controller
  5. @RequestMapping("")
  6. public class LoginController {
  7. @Autowired
  8. UserService userService;
  9. @RequestMapping(value="/login",method=RequestMethod.POST)
  10. public String login(Model model, String name, String password){//throws ParseException
  11. Subject subject = SecurityUtils.getSubject();
  12. UsernamePasswordToken token = new UsernamePasswordToken(name,password);
  13. try {
  14. subject.login(token);
  15. User us = userService.getByName(name);
  16. String lastLoginTime = "";
  17. if(us!=null){
  18. SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
  19. //上次时间
  20. Date time = us.getLasttime();
  21. lastLoginTime = sdf.format(time);
  22. //新时间
  23. String format = sdf.format(new Date());
  24. //string转date 不处理时间格式会不理想
  25. ParsePosition pos = new ParsePosition(0);
  26. Date strtodate = sdf.parse(format, pos);
  27. us.setLasttime(strtodate);
  28. userService.update(us);
  29. }
  30. if (us.getStatus()==1){
  31. Session session=subject.getSession();
  32. session.setAttribute("subject", subject);
  33. session.setAttribute("lastLoginTime",lastLoginTime);
  34. return "redirect:index";
  35. }else {
  36. model.addAttribute("error", "账号已被停用!");
  37. return "/login";
  38. }
  39. } catch (AuthenticationException e) {
  40. model.addAttribute("error", "验证失败!");
  41. return "/login";
  42. }
  43. }
  44. }

订单模块controller控制层

  1. /**
  2. * 订单模块controller
  3. */
  4. @Controller
  5. @RequestMapping("/order")
  6. public class OrderController {
  7. @Autowired
  8. OrderService orderService;
  9. @Autowired
  10. OrderItemService orderItemService;
  11. /**
  12. * 所有订单
  13. * @param model
  14. * @param page
  15. * @return
  16. */
  17. @RequestMapping("/list")
  18. public String list(Model model, Page page){
  19. PageHelper.offsetPage(page.getStart(),page.getCount());
  20. List<Order> os= orderService.list();
  21. int total = (int) new PageInfo<>(os).getTotal();
  22. page.setTotal(total);
  23. //为订单添加订单项数据
  24. orderItemService.fill(os);
  25. model.addAttribute("os", os);
  26. model.addAttribute("page", page);
  27. model.addAttribute("totals", total);
  28. return "ordermodule/order-list";
  29. }
  30. /**
  31. * 订单发货
  32. * @param o
  33. * @return
  34. */
  35. @RequestMapping("/orderDelivery")
  36. public String delivery(Order o){
  37. o.setStatus(2);
  38. orderService.update(o);
  39. return "redirect:list";
  40. }
  41. /**
  42. * 查看当前订单的订单项
  43. * @param oid
  44. * @param model
  45. * @return
  46. */
  47. @RequestMapping("/seeOrderItem")
  48. public String seeOrderItem(int oid,Model model){
  49. Order o = orderService.get(oid);
  50. orderItemService.fill(o);
  51. model.addAttribute("orderItems",o.getOrderItems());
  52. model.addAttribute("total",o.getOrderItems().size());
  53. model.addAttribute("totalPrice",o.getTotal());
  54. return "ordermodule/orderItem-list";
  55. }
  56. }

以上就是Java实战之校园外卖点餐系统的实现的详细内容,更多关于Java点餐系统的资料请关注w3xue其它相关文章!

 友情链接:直通硅谷  点职佳  北美留学生论坛

本站QQ群:前端 618073944 | Java 606181507 | Python 626812652 | C/C++ 612253063 | 微信 634508462 | 苹果 692586424 | C#/.net 182808419 | PHP 305140648 | 运维 608723728

W3xue 的所有内容仅供测试,对任何法律问题及风险不承担任何责任。通过使用本站内容随之而来的风险与本站无关。
关于我们  |  意见建议  |  捐助我们  |  报错有奖  |  广告合作、友情链接(目前9元/月)请联系QQ:27243702 沸活量
皖ICP备17017327号-2 皖公网安备34020702000426号