基于java足球赛会管理系统
餐厅点餐系统是基于java编程语言，mysql数据库，springboot框架，idea开发工具进行开发，本项目分为用户和管理员两个角色，其中用户的主要功能是注册，登陆，查看菜品，在线预定菜品，生成预定订单，查看菜品资讯，菜品评价；管理员可以对用户信息，菜品分类，菜品信息，用户订单，用户评价等信息进行管理。本项目功能齐全，页面简洁，适合作为java毕业设计来参考和学习。
一.技术环境
jdk版本：1.8 及以上
ide工具：IDEA
数据库: mysql5.7
编程语言: Java
tomcat: 8.0 及以上
java框架：springboot
maven: 3.6.1
前端：layui ，vue
详细技术：HTML+CSS+JS+JAVA+SpringBoot+MYSQL+Vue+MAVEN
二.项目文件（项目获取请看文末官网）
三.系统功能
四.代码示例
package com.lmu.controller;import com.opensymphony.xwork2.ActionContext;import com.opensymphony.xwork2.ActionSupport;import com.lmu.model.Role;import com.lmu.model.User;import com.lmu.service.RoleService;import com.lmu.service.UserService;import com.lmu.utils.JsonUtils;import com.lmu.utils.UserUtils;import org.apache.commons.collections.map.HashedMap;import org.apache.struts2.ServletActionContext;import org.springframework.beans.factory.annotation.Autowired;import org.springframework.context.annotation.Scope;import org.springframework.stereotype.Controller;import java.io.IOException;import java.util.HashMap;import java.util.Map;@Controller("loginController")@Scope("prototype")public class LoginController extends ActionSupport { @Autowired private UserService userService; @Autowired private RoleService roleService; private User user; private Map map = new HashMap(); public User getUser() { return user; } public void setUser(User user) { this.user = user; } public UserService getUserService() { return userService; } public void setUserService(UserService userService) { this.userService = userService; } public void index() throws IOException { User user1 = userService.getUser(user); if (user1 != null){ if (user1.getIsSh() == 1){ if (user1.getRole().getEnName().equals("admin")){ ActionContext.getContext().getSession().put("user", user1); } if (user1.getRole().getEnName().equals("js")){ ActionContext.getContext().getSession().put("user1", user1); } if (user1.getRole().getEnName().equals("xs")){ ActionContext.getContext().getSession().put("user2", user1); } map.put("flag", 1); map.put("url", "login_indexs.do"); map.put("id", user1.getId()); JsonUtils.toJson(map); } else { map.put("flag", 2); JsonUtils.toJson(map); } } else { map.put("flag", 3); JsonUtils.toJson(map); } } public String indexs() throws IOException { User u = UserUtils.getUser(); if (u != null){ ActionContext.getContext().put("user", u); String ss = u.getRole().getEnName(); ActionContext.getContext().put("role", u.getRole().getEnName()); } return SUCCESS; } //登陆页面 public String login() { return SUCCESS; } //退出 public String tuichu() { ActionContext ac = ActionContext.getContext(); Map session = ac.getSession(); session.remove("userName"); session.remove("userId"); ServletActionContext.getRequest().getSession().invalidate(); return "login"; }} package com.lmu.controller;import com.opensymphony.xwork2.ActionContext;import com.opensymphony.xwork2.ActionSupport;import com.opensymphony.xwork2.ModelDriven;import com.lmu.model.Role;import com.lmu.model.User;import com.lmu.service.RoleService;import com.lmu.service.UserService;import com.lmu.utils.JsonUtils;import com.lmu.utils.Pager;import com.lmu.utils.UserUtils;import org.springframework.beans.factory.annotation.Autowired;import org.springframework.context.annotation.Scope;import org.springframework.stereotype.Controller;import java.awt.event.FocusEvent;import java.io.IOException;import java.util.Date;import java.util.HashMap;import java.util.Map;@Controller("userController")@Scope("prototype")public class UserController extends ActionSupport implements ModelDriven { @Autowired private UserService userService; @Autowired private RoleService roleService; private User user; private Integer userId; private Map map = new HashMap(); public String list() throws IOException { User user1 = UserUtils.getUser(); if (user1 == null || user1.getId() == null){ ActionContext.getContext().put("login", 1); return SUCCESS; } Pager pagers = null; Role role = user1.getRole(); if (role.getEnName().equals("admin")) { pagers = userService.getList(user); ActionContext.getContext().put("pagers", pagers); ActionContext.getContext().put("user", user1); ActionContext.getContext().put("role", role); ActionContext.getContext().put("bean", user); return SUCCESS; } else if (role.getEnName().equals("xs") || role.getEnName().equals("js")) { pagers = userService.getList(user1); ActionContext.getContext().put("pagers", pagers); ActionContext.getContext().put("bean", user); return SUCCESS; } return null; } public String add() { Pager pagers = roleService.pagers(); ActionContext.getContext().put("pagers", pagers); return SUCCESS; } public String edit() { User bean = userService.findById(userId); Pager pagers = roleService.pagers(); ActionContext.getContext().put("bean", bean); ActionContext.getContext().put("pagers", pagers); return SUCCESS; } public void updateSh() throws IOException { user.setIsSh(1); userService.updates(user); map.put("flag", true); map.put("url", "user_list.do"); JsonUtils.toJson(map); } public String update() throws IOException { if (user.getPass().equals("")){ user.setPass(null); } userService.updates(user); map.put("flag", true); map.put("url", "user_list.do"); JsonUtils.toJson(map); return SUCCESS; } public void save() throws IOException { if (userService.getUser(user) != null){ map.put("flag", false); map.put("url", "login_login.do"); JsonUtils.toJson(map); } else { user.setTime(new Date()); userService.save(user); map.put("flag", true); map.put("url", "login_login.do"); JsonUtils.toJson(map); } } public void delete() throws IOException { User user1 = userService.findById(userId); user1.setIsDelete(1); userService.update(user1); map.put("flag", true); map.put("url", "user_list.do"); JsonUtils.toJson(map); } @Override public User getModel() { if (user == null) { user = new User(); } return user; } public Integer getUserId() { return userId; } public void setUserId(Integer userId) { this.userId = userId; } public User getUser() { return user; } public void setUser(User user) { this.user = user; }} 五.项目截图
