学习【瑞吉外卖①】SpringBoot单体项目

视频链接：黑马程序员【Java 项目实战《瑞吉外卖》，轻松掌握 SpringBoot + MybatisPlus 开发核心技术】
资料链接：2022 最新版 Java学习路线图>第 5 阶段一企业级项目实战>7.黑马程序员瑞吉外卖平台实战开发（提取码：dor4）

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文章目录

0.总目录
1.软件开发整体介绍
- 1.1.软件开发流程
- 1.2.角色分工
- 1.3.软件环境
2.瑞吉外卖项目介绍
- 2.1.项目介绍
- 2.2.产品原型展示
- 2.3.技术选型
- 2.4.功能架构
- 2.5.角色
3.环境搭建
- 3.1.数据库环境搭建
- - 3.1.1.简单操作
  - 3.1.2.数据表
  - 3.1.3.db_reggie.sql
- 3.2.maven项目搭建
- - 3.2.1.项目结构
  - 3.2.2.pom.xml
  - 3.2.3.application.yml
  - 3.2.4.ReggieApplication.java
  - 3.2.5.WebMvcConfig.java
4.后台登录功能开发
- 4.1.需求分析
- - 4.1.1.登录页面展示
  - 4.1.2.查看登录请求信息
  - 4.1.3.数据模型（employee表）
- 4.2.代码开发
- - 4.2.1.实体类Employee
  - 4.2.2.工具类
  - 4.2.3.Mapper和Service
  - 4.2.4.在Controller中创建登录方法
  - 4.2.5.登录成功的userInfo数据
5.后台退出功能开发
- 5.1.需求分析
- 5.2.代码功能

0.总目录

1.软件开发整体介绍

1.1.软件开发流程

需求分析：产品原型、需求设计规格说明书
设计：产品文档、UI界面设计、概要设计、详细设计、数据库设计
编码：项目代码、单元测试
测试：测试用例、测试报告
上线运维：软件环境安装、配置

1.2.角色分工

项目经理：对整个项目负责，任务分配，把控进度。
产品经理：进行需求调研，输出需求调研文档、产品原型等。
UI 设计师：根据产品原型输出界面效果图。
架构师：项目整体架构设计、技术选型等。
开发工程师：代码实现。
测试工程师：编写测试用例，输出测试报告。
运维工程师：软件环境搭建、项目上线。

1.3.软件环境

开发环境（development）：开发人员在开发阶段试验的环境，一般外不要慌无法访问。
测试环境（testing）：专门给测试人员使用的环境，用于测试项目，一般外部用户无法访问。
生产环境（production）：即上线环境，正式提供对外服务的环境。

2.瑞吉外卖项目介绍

2.1.项目介绍

本项目（瑞吉外卖）是专门为餐饮企业(餐厅、饭店)定制的一款软件产品，包括系统管理后台和移动端应用两部分。

其中系统管理后台主要提供给餐饮企业内部员工使用，可以对餐厅的菜品、套餐、订单等进行管理维护。

移动端应用主要提供给消费者使用，可以在线浏览菜品、添加购物车、下单等。

本项目共分为 3 期进行开发:

第一期：主要实现基本需求,其中移动端应用通过 H5 实现，用户可以通过手机浏览器访问。

第二期：主要针对移动端应用进行改进，使用微信小程序实现,用户使用起来更加方便。

第三期：主要针对系统进行优化升级,提高系统的访问性能。

2.2.产品原型展示

产品原型，即一款产品成型之前的一个简单的框架，就是将页面的排版布局展现出来，使产品的初步构思有一个可视化的展示。

通过原型展示，可以更加直观的了解项目的需求和提供的功能。

课程资料（瑞吉外卖项目>资料>产品原型）中已经提供了产品原型：

！注意事项：产品原型主要用于展示项目的功能，并不是最终的页面效果

2.3.技术选型

2.4.功能架构

2.5.角色

其实质为权限控制。
后台系统管理员：登录后台管理系统，拥有后台系统中的所有操作权限。
后台系统普通员工：登录后台管理系统，对菜品、套餐、订单等进行管理。
C端用户：登录移动端应用，可以浏览菜品、添加购物车、设置地址、在线下单等。

3.环境搭建

3.1.数据库环境搭建

3.1.1.简单操作

课程资料（瑞吉外卖项目>资料>数据模型）中提供了 db_reggie.sql 文件。

可以先创建项目对应的数据库：reggie，再选择导入入SQL脚本的方式创建表，或者直接使用其中的 sql 语句创建表。

如果使用的是 SQLYog 或者 Navicat 系列的图形界面创建数据库的话，建议选择字符集：uf8mb4，排序规则：utf8mb4_general_ci。

如果是命令行创建的话，则是create database reggie character set uft8mb4;

命令行导入脚本的命令：source 文件db_reggie.sql的存放位置。当然，在此之前，需要先use reggie;。

！注意：通过命令导入表结构时，注意 sql 文件不要放在中文目录里。

3.1.2.数据表

序号	表名	说明
1	employee	员工表
2	catgory	菜品和套餐分类表
3	dish	菜品表
4	setmeal	套餐表
5	setmeal_dish	套餐菜品关系表
6	dish_flavor	菜品口味关系表
7	user	用户表（C端）
8	address_book	地址簿表
9	shopping_cart	购物车表
10	orders	订单表
11	order_detial	订单明细表

3.1.3.db_reggie.sql


SET FOREIGN_KEY_CHECKS=0;

-- ----------------------------
-- Table structure for address_book
-- ----------------------------
DROP TABLE IF EXISTS `address_book`;
CREATE TABLE `address_book` (
  `id` bigint(20) NOT NULL COMMENT '主键',
  `user_id` bigint(20) NOT NULL COMMENT '用户id',
  `consignee` varchar(50) COLLATE utf8_bin NOT NULL COMMENT '收货人',
  `sex` tinyint(4) NOT NULL COMMENT '性别 0 女 1 男',
  `phone` varchar(11) COLLATE utf8_bin NOT NULL COMMENT '手机号',
  `province_code` varchar(12) CHARACTER SET utf8mb4 DEFAULT NULL COMMENT '省级区划编号',
  `province_name` varchar(32) CHARACTER SET utf8mb4 DEFAULT NULL COMMENT '省级名称',
  `city_code` varchar(12) CHARACTER SET utf8mb4 DEFAULT NULL COMMENT '市级区划编号',
  `city_name` varchar(32) CHARACTER SET utf8mb4 DEFAULT NULL COMMENT '市级名称',
  `district_code` varchar(12) CHARACTER SET utf8mb4 DEFAULT NULL COMMENT '区级区划编号',
  `district_name` varchar(32) CHARACTER SET utf8mb4 DEFAULT NULL COMMENT '区级名称',
  `detail` varchar(200) CHARACTER SET utf8mb4 DEFAULT NULL COMMENT '详细地址',
  `label` varchar(100) CHARACTER SET utf8mb4 DEFAULT NULL COMMENT '标签',
  `is_default` tinyint(1) NOT NULL DEFAULT '0' COMMENT '默认 0 否 1是',
  `create_time` datetime NOT NULL COMMENT '创建时间',
  `update_time` datetime NOT NULL COMMENT '更新时间',
  `create_user` bigint(20) NOT NULL COMMENT '创建人',
  `update_user` bigint(20) NOT NULL COMMENT '修改人',
  `is_deleted` int(11) NOT NULL DEFAULT '0' COMMENT '是否删除',
  PRIMARY KEY (`id`) USING BTREE
) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_bin COMMENT='地址管理';

-- ----------------------------
-- Records of address_book
-- ----------------------------
INSERT INTO `address_book` VALUES ('1417414526093082626', '1417012167126876162', '小明', '1', '13812345678', null, null, null, null, null, null, '昌平区金燕龙办公楼', '公司', '1', '2021-07-20 17:22:12', '2021-07-20 17:26:33', '1417012167126876162', '1417012167126876162', '0');
INSERT INTO `address_book` VALUES ('1417414926166769666', '1417012167126876162', '小李', '1', '13512345678', null, null, null, null, null, null, '测试', '家', '0', '2021-07-20 17:23:47', '2021-07-20 17:23:47', '1417012167126876162', '1417012167126876162', '0');

-- ----------------------------
-- Table structure for category
-- ----------------------------
DROP TABLE IF EXISTS `category`;
CREATE TABLE `category` (
  `id` bigint(20) NOT NULL COMMENT '主键',
  `type` int(11) DEFAULT NULL COMMENT '类型   1 菜品分类 2 套餐分类',
  `name` varchar(64) COLLATE utf8_bin NOT NULL COMMENT '分类名称',
  `sort` int(11) NOT NULL DEFAULT '0' COMMENT '顺序',
  `create_time` datetime NOT NULL COMMENT '创建时间',
  `update_time` datetime NOT NULL COMMENT '更新时间',
  `create_user` bigint(20) NOT NULL COMMENT '创建人',
  `update_user` bigint(20) NOT NULL COMMENT '修改人',
  PRIMARY KEY (`id`) USING BTREE,
  UNIQUE KEY `idx_category_name` (`name`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_bin COMMENT='菜品及套餐分类';

-- ----------------------------
-- Records of category
-- ----------------------------
INSERT INTO `category` VALUES ('1397844263642378242', '1', '湘菜', '1', '2021-05-27 09:16:58', '2021-07-15 20:25:23', '1', '1');
INSERT INTO `category` VALUES ('1397844303408574465', '1', '川菜', '2', '2021-05-27 09:17:07', '2021-06-02 14:27:22', '1', '1');
INSERT INTO `category` VALUES ('1397844391040167938', '1', '粤菜', '3', '2021-05-27 09:17:28', '2021-07-09 14:37:13', '1', '1');
INSERT INTO `category` VALUES ('1413341197421846529', '1', '饮品', '11', '2021-07-09 11:36:15', '2021-07-09 14:39:15', '1', '1');
INSERT INTO `category` VALUES ('1413342269393674242', '2', '商务套餐', '5', '2021-07-09 11:40:30', '2021-07-09 14:43:45', '1', '1');
INSERT INTO `category` VALUES ('1413384954989060097', '1', '主食', '12', '2021-07-09 14:30:07', '2021-07-09 14:39:19', '1', '1');
INSERT INTO `category` VALUES ('1413386191767674881', '2', '儿童套餐', '6', '2021-07-09 14:35:02', '2021-07-09 14:39:05', '1', '1');

-- ----------------------------
-- Table structure for dish
-- ----------------------------
DROP TABLE IF EXISTS `dish`;
CREATE TABLE `dish` (
  `id` bigint(20) NOT NULL COMMENT '主键',
  `name` varchar(64) COLLATE utf8_bin NOT NULL COMMENT '菜品名称',
  `category_id` bigint(20) NOT NULL COMMENT '菜品分类id',
  `price` decimal(10,2) DEFAULT NULL COMMENT '菜品价格',
  `code` varchar(64) COLLATE utf8_bin NOT NULL COMMENT '商品码',
  `image` varchar(200) COLLATE utf8_bin NOT NULL COMMENT '图片',
  `description` varchar(400) COLLATE utf8_bin DEFAULT NULL COMMENT '描述信息',
  `status` int(11) NOT NULL DEFAULT '1' COMMENT '0 停售 1 起售',
  `sort` int(11) NOT NULL DEFAULT '0' COMMENT '顺序',
  `create_time` datetime NOT NULL COMMENT '创建时间',
  `update_time` datetime NOT NULL COMMENT '更新时间',
  `create_user` bigint(20) NOT NULL COMMENT '创建人',
  `update_user` bigint(20) NOT NULL COMMENT '修改人',
  `is_deleted` int(11) NOT NULL DEFAULT '0' COMMENT '是否删除',
  PRIMARY KEY (`id`) USING BTREE,
  UNIQUE KEY `idx_dish_name` (`name`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_bin COMMENT='菜品管理';

-- ----------------------------
-- Records of dish
-- ----------------------------
INSERT INTO `dish` VALUES ('1397849739276890114', '辣子鸡', '1397844263642378242', '7800.00', '222222222', 'f966a38e-0780-40be-bb52-5699d13cb3d9.jpg', '来自鲜嫩美味的小鸡，值得一尝', '1', '0', '2021-05-27 09:38:43', '2021-05-27 09:38:43', '1', '1', '0');
INSERT INTO `dish` VALUES ('1397850140982161409', '毛氏红烧肉', '1397844263642378242', '6800.00', '123412341234', '0a3b3288-3446-4420-bbff-f263d0c02d8e.jpg', '毛氏红烧肉毛氏红烧肉，确定不来一份？', '1', '0', '2021-05-27 09:40:19', '2021-05-27 09:40:19', '1', '1', '0');
INSERT INTO `dish` VALUES ('1397850392090947585', '组庵鱼翅', '1397844263642378242', '4800.00', '123412341234', '740c79ce-af29-41b8-b78d-5f49c96e38c4.jpg', '组庵鱼翅，看图足以表明好吃程度', '1', '0', '2021-05-27 09:41:19', '2021-05-27 09:41:19', '1', '1', '0');
INSERT INTO `dish` VALUES ('1397850851245600769', '霸王别姬', '1397844263642378242', '12800.00', '123412341234', '057dd338-e487-4bbc-a74c-0384c44a9ca3.jpg', '还有什么比霸王别姬更美味的呢？', '1', '0', '2021-05-27 09:43:08', '2021-05-27 09:43:08', '1', '1', '0');
INSERT INTO `dish` VALUES ('1397851099502260226', '全家福', '1397844263642378242', '11800.00', '23412341234', 'a53a4e6a-3b83-4044-87f9-9d49b30a8fdc.jpg', '别光吃肉啦，来份全家福吧，让你长寿又美味', '1', '0', '2021-05-27 09:44:08', '2021-05-27 09:44:08', '1', '1', '0');
INSERT INTO `dish` VALUES ('1397851370462687234', '邵阳猪血丸子', '1397844263642378242', '13800.00', '1246812345678', '2a50628e-7758-4c51-9fbb-d37c61cdacad.jpg', '看，美味不？来嘛来嘛，这才是最爱吖', '1', '0', '2021-05-27 09:45:12', '2021-05-27 09:45:12', '1', '1', '0');
INSERT INTO `dish` VALUES ('1397851668262465537', '口味蛇', '1397844263642378242', '16800.00', '1234567812345678', '0f4bd884-dc9c-4cf9-b59e-7d5958fec3dd.jpg', '爬行界的扛把子，东兴-口味蛇，让你欲罢不能', '1', '0', '2021-05-27 09:46:23', '2021-05-27 09:46:23', '1', '1', '0');
INSERT INTO `dish` VALUES ('1397852391150759938', '辣子鸡丁', '1397844303408574465', '8800.00', '2346812468', 'ef2b73f2-75d1-4d3a-beea-22da0e1421bd.jpg', '辣子鸡丁，辣子鸡丁，永远的魂', '1', '0', '2021-05-27 09:49:16', '2021-05-27 09:49:16', '1', '1', '0');
INSERT INTO `dish` VALUES ('1397853183287013378', '麻辣兔头', '1397844303408574465', '19800.00', '123456787654321', '2a2e9d66-b41d-4645-87bd-95f2cfeed218.jpg', '麻辣兔头的详细制作，麻辣鲜香，色泽红润，回味悠长', '1', '0', '2021-05-27 09:52:24', '2021-05-27 09:52:24', '1', '1', '0');
INSERT INTO `dish` VALUES ('1397853709101740034', '蒜泥白肉', '1397844303408574465', '9800.00', '1234321234321', 'd2f61d70-ac85-4529-9b74-6d9a2255c6d7.jpg', '多么的有食欲啊', '1', '0', '2021-05-27 09:54:30', '2021-05-27 09:54:30', '1', '1', '0');
INSERT INTO `dish` VALUES ('1397853890262118402', '鱼香肉丝', '1397844303408574465', '3800.00', '1234212321234', '8dcfda14-5712-4d28-82f7-ae905b3c2308.jpg', '鱼香肉丝简直就是我们童年回忆的一道经典菜，上学的时候点个鱼香肉丝盖饭坐在宿舍床上看着肥皂剧，绝了！现在完美复刻一下上学的时候感觉', '1', '0', '2021-05-27 09:55:13', '2021-05-27 09:55:13', '1', '1', '0');
INSERT INTO `dish` VALUES ('1397854652581064706', '麻辣水煮鱼', '1397844303408574465', '14800.00', '2345312·345321', '1fdbfbf3-1d86-4b29-a3fc-46345852f2f8.jpg', '鱼片是买的切好的鱼片，放几个虾，增加味道', '1', '0', '2021-05-27 09:58:15', '2021-05-27 09:58:15', '1', '1', '0');
INSERT INTO `dish` VALUES ('1397854865672679425', '鱼香炒鸡蛋', '1397844303408574465', '2000.00', '23456431·23456', '0f252364-a561-4e8d-8065-9a6797a6b1d3.jpg', '鱼香菜也是川味的特色。里面没有鱼却鱼香味', '1', '0', '2021-05-27 09:59:06', '2021-05-27 09:59:06', '1', '1', '0');
INSERT INTO `dish` VALUES ('1397860242057375745', '脆皮烧鹅', '1397844391040167938', '12800.00', '123456786543213456', 'e476f679-5c15-436b-87fa-8c4e9644bf33.jpeg', '“广东烤鸭美而香，却胜烧鹅说古冈（今新会），燕瘦环肥各佳妙，君休偏重便宜坊”，可见烧鹅与烧鸭在粤菜之中已早负盛名。作为广州最普遍和最受欢迎的烧烤肉食，以它的“色泽金红，皮脆肉嫩，味香可口”的特色，在省城各大街小巷的烧卤店随处可见。', '1', '0', '2021-05-27 10:20:27', '2021-05-27 10:20:27', '1', '1', '0');
INSERT INTO `dish` VALUES ('1397860578738352129', '白切鸡', '1397844391040167938', '6600.00', '12345678654', '9ec6fc2d-50d2-422e-b954-de87dcd04198.jpeg', '白切鸡是一道色香味俱全的特色传统名肴，又叫白斩鸡，是粤菜系鸡肴中的一种，始于清代的民间。白切鸡通常选用细骨农家鸡与沙姜、蒜茸等食材，慢火煮浸白切鸡皮爽肉滑，清淡鲜美。著名的泮溪酒家白切鸡，曾获商业部优质产品金鼎奖。湛江白切鸡更是驰名粤港澳。粤菜厨坛中，鸡的菜式有200余款之多，而最为人常食不厌的正是白切鸡，深受食家青睐。', '1', '0', '2021-05-27 10:21:48', '2021-05-27 10:21:48', '1', '1', '0');
INSERT INTO `dish` VALUES ('1397860792492666881', '烤乳猪', '1397844391040167938', '38800.00', '213456432123456', '2e96a7e3-affb-438e-b7c3-e1430df425c9.jpeg', '广式烧乳猪主料是小乳猪，辅料是蒜，调料是五香粉、芝麻酱、八角粉等，本菜品主要通过将食材放入炭火中烧烤而成。烤乳猪是广州最著名的特色菜，并且是“满汉全席”中的主打菜肴之一。烤乳猪也是许多年来广东人祭祖的祭品之一，是家家都少不了的应节之物，用乳猪祭完先人后，亲戚们再聚餐食用。', '1', '0', '2021-05-27 10:22:39', '2021-05-27 10:22:39', '1', '1', '0');
INSERT INTO `dish` VALUES ('1397860963880316929', '脆皮乳鸽', '1397844391040167938', '10800.00', '1234563212345', '3fabb83a-1c09-4fd9-892b-4ef7457daafa.jpeg', '“脆皮乳鸽”是广东菜中的一道传统名菜，属于粤菜系，具有皮脆肉嫩、色泽红亮、鲜香味美的特点，常吃可使身体强健，清肺顺气。随着菜品制作工艺的不断发展，逐渐形成了熟炸法、生炸法和烤制法三种制作方法。无论那种制作方法，都是在鸽子经过一系列的加工，挂脆皮水后再加工而成，正宗的“脆皮乳鸽皮脆肉嫩、色泽红亮、鲜香味美、香气馥郁。这三种方法的制作过程都不算复杂，但想达到理想的效果并不容易。', '1', '0', '2021-05-27 10:23:19', '2021-05-27 10:23:19', '1', '1', '0');
INSERT INTO `dish` VALUES ('1397861683434139649', '清蒸河鲜海鲜', '1397844391040167938', '38800.00', '1234567876543213456', '1405081e-f545-42e1-86a2-f7559ae2e276.jpeg', '新鲜的海鲜，清蒸是最好的处理方式。鲜，体会为什么叫海鲜。清蒸是广州最经典的烹饪手法，过去岭南地区由于峻山大岭阻隔，交通不便，经济发展起步慢，自家打的鱼放在锅里煮了就吃，没有太多的讲究，但却发现这清淡的煮法能使鱼的鲜甜跃然舌尖。', '1', '0', '2021-05-27 10:26:11', '2021-05-27 10:26:11', '1', '1', '0');
INSERT INTO `dish` VALUES ('1397862198033297410', '老火靓汤', '1397844391040167938', '49800.00', '123456786532455', '583df4b7-a159-4cfc-9543-4f666120b25f.jpeg', '老火靓汤又称广府汤，是广府人传承数千年的食补养生秘方，慢火煲煮的中华老火靓汤，火候足，时间长，既取药补之效，又取入口之甘甜。 广府老火汤种类繁多，可以用各种汤料和烹调方法，烹制出各种不同口味、不同功效的汤来。', '1', '0', '2021-05-27 10:28:14', '2021-05-27 10:28:14', '1', '1', '0');
INSERT INTO `dish` VALUES ('1397862477831122945', '上汤焗龙虾', '1397844391040167938', '108800.00', '1234567865432', '5b8d2da3-3744-4bb3-acdc-329056b8259d.jpeg', '上汤焗龙虾是一道色香味俱全的传统名菜，属于粤菜系。此菜以龙虾为主料，配以高汤制成的一道海鲜美食。本品肉质洁白细嫩，味道鲜美，蛋白质含量高，脂肪含量低，营养丰富。是色香味俱全的传统名菜。', '1', '0', '2021-05-27 10:29:20', '2021-05-27 10:29:20', '1', '1', '0');
INSERT INTO `dish` VALUES ('1413342036832100354', '北冰洋', '1413341197421846529', '500.00', '', 'c99e0aab-3cb7-4eaa-80fd-f47d4ffea694.png', '', '1', '0', '2021-07-09 11:39:35', '2021-07-09 15:12:18', '1', '1', '0');
INSERT INTO `dish` VALUES ('1413384757047271425', '王老吉', '1413341197421846529', '500.00', '', '00874a5e-0df2-446b-8f69-a30eb7d88ee8.png', '', '1', '0', '2021-07-09 14:29:20', '2021-07-12 09:09:16', '1', '1', '0');
INSERT INTO `dish` VALUES ('1413385247889891330', '米饭', '1413384954989060097', '200.00', '', 'ee04a05a-1230-46b6-8ad5-1a95b140fff3.png', '', '1', '0', '2021-07-09 14:31:17', '2021-07-11 16:35:26', '1', '1', '0');

-- ----------------------------
-- Table structure for dish_flavor
-- ----------------------------
DROP TABLE IF EXISTS `dish_flavor`;
CREATE TABLE `dish_flavor` (
  `id` bigint(20) NOT NULL COMMENT '主键',
  `dish_id` bigint(20) NOT NULL COMMENT '菜品',
  `name` varchar(64) COLLATE utf8_bin NOT NULL COMMENT '口味名称',
  `value` varchar(500) COLLATE utf8_bin DEFAULT NULL COMMENT '口味数据list',
  `create_time` datetime NOT NULL COMMENT '创建时间',
  `update_time` datetime NOT NULL COMMENT '更新时间',
  `create_user` bigint(20) NOT NULL COMMENT '创建人',
  `update_user` bigint(20) NOT NULL COMMENT '修改人',
  `is_deleted` int(11) NOT NULL DEFAULT '0' COMMENT '是否删除',
  PRIMARY KEY (`id`) USING BTREE
) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_bin COMMENT='菜品口味关系表';

-- ----------------------------
-- Records of dish_flavor
-- ----------------------------
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INSERT INTO `dish_flavor` VALUES ('1398092095179763713', '1398092095142014978', '辣度', '["不辣","微辣","中辣","重辣"]', '2021-05-28 01:41:45', '2021-05-28 01:41:45', '1', '1', '0');
INSERT INTO `dish_flavor` VALUES ('1398092283877306370', '1398092283847946241', '辣度', '["不辣","微辣","中辣","重辣"]', '2021-05-28 01:42:30', '2021-05-28 01:42:30', '1', '1', '0');
INSERT INTO `dish_flavor` VALUES ('1398094018939236354', '1398094018893099009', '辣度', '["不辣","微辣","中辣","重辣"]', '2021-05-28 01:49:24', '2021-05-28 01:49:24', '1', '1', '0');
INSERT INTO `dish_flavor` VALUES ('1398094391494094850', '1398094391456346113', '辣度', '["不辣","微辣","中辣","重辣"]', '2021-05-28 01:50:53', '2021-05-28 01:50:53', '1', '1', '0');
INSERT INTO `dish_flavor` VALUES ('1399574026165727233', '1399305325713600514', '辣度', '["不辣","微辣","中辣","重辣"]', '2021-06-01 03:50:25', '2021-06-01 03:50:25', '1399309715396669441', '1399309715396669441', '0');
INSERT INTO `dish_flavor` VALUES ('1413389540592263169', '1413384757047271425', '温度', '["常温","冷藏"]', '2021-07-12 09:09:16', '2021-07-12 09:09:16', '1', '1', '0');
INSERT INTO `dish_flavor` VALUES ('1413389684020682754', '1413342036832100354', '温度', '["常温","冷藏"]', '2021-07-09 15:12:18', '2021-07-09 15:12:18', '1', '1', '0');

-- ----------------------------
-- Table structure for employee
-- ----------------------------
DROP TABLE IF EXISTS `employee`;
CREATE TABLE `employee` (
  `id` bigint(20) NOT NULL COMMENT '主键',
  `name` varchar(32) COLLATE utf8_bin NOT NULL COMMENT '姓名',
  `username` varchar(32) COLLATE utf8_bin NOT NULL COMMENT '用户名',
  `password` varchar(64) COLLATE utf8_bin NOT NULL COMMENT '密码',
  `phone` varchar(11) COLLATE utf8_bin NOT NULL COMMENT '手机号',
  `sex` varchar(2) COLLATE utf8_bin NOT NULL COMMENT '性别',
  `id_number` varchar(18) COLLATE utf8_bin NOT NULL COMMENT '身份证号',
  `status` int(11) NOT NULL DEFAULT '1' COMMENT '状态 0:禁用，1:正常',
  `create_time` datetime NOT NULL COMMENT '创建时间',
  `update_time` datetime NOT NULL COMMENT '更新时间',
  `create_user` bigint(20) NOT NULL COMMENT '创建人',
  `update_user` bigint(20) NOT NULL COMMENT '修改人',
  PRIMARY KEY (`id`) USING BTREE,
  UNIQUE KEY `idx_username` (`username`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_bin COMMENT='员工信息';

-- ----------------------------
-- Records of employee
-- ----------------------------
INSERT INTO `employee` VALUES ('1', '管理员', 'admin', 'e10adc3949ba59abbe56e057f20f883e', '13812312312', '1', '110101199001010047', '1', '2021-05-06 17:20:07', '2021-05-10 02:24:09', '1', '1');

-- ----------------------------
-- Table structure for orders
-- ----------------------------
DROP TABLE IF EXISTS `orders`;
CREATE TABLE `orders` (
  `id` bigint(20) NOT NULL COMMENT '主键',
  `number` varchar(50) COLLATE utf8_bin DEFAULT NULL COMMENT '订单号',
  `status` int(11) NOT NULL DEFAULT '1' COMMENT '订单状态 1待付款，2待派送，3已派送，4已完成，5已取消',
  `user_id` bigint(20) NOT NULL COMMENT '下单用户',
  `address_book_id` bigint(20) NOT NULL COMMENT '地址id',
  `order_time` datetime NOT NULL COMMENT '下单时间',
  `checkout_time` datetime NOT NULL COMMENT '结账时间',
  `pay_method` int(11) NOT NULL DEFAULT '1' COMMENT '支付方式 1微信,2支付宝',
  `amount` decimal(10,2) NOT NULL COMMENT '实收金额',
  `remark` varchar(100) COLLATE utf8_bin DEFAULT NULL COMMENT '备注',
  `phone` varchar(255) COLLATE utf8_bin DEFAULT NULL,
  `address` varchar(255) COLLATE utf8_bin DEFAULT NULL,
  `user_name` varchar(255) COLLATE utf8_bin DEFAULT NULL,
  `consignee` varchar(255) COLLATE utf8_bin DEFAULT NULL,
  PRIMARY KEY (`id`) USING BTREE
) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_bin COMMENT='订单表';

-- ----------------------------
-- Records of orders
-- ----------------------------

-- ----------------------------
-- Table structure for order_detail
-- ----------------------------
DROP TABLE IF EXISTS `order_detail`;
CREATE TABLE `order_detail` (
  `id` bigint(20) NOT NULL COMMENT '主键',
  `name` varchar(50) COLLATE utf8_bin DEFAULT NULL COMMENT '名字',
  `image` varchar(100) COLLATE utf8_bin DEFAULT NULL COMMENT '图片',
  `order_id` bigint(20) NOT NULL COMMENT '订单id',
  `dish_id` bigint(20) DEFAULT NULL COMMENT '菜品id',
  `setmeal_id` bigint(20) DEFAULT NULL COMMENT '套餐id',
  `dish_flavor` varchar(50) COLLATE utf8_bin DEFAULT NULL COMMENT '口味',
  `number` int(11) NOT NULL DEFAULT '1' COMMENT '数量',
  `amount` decimal(10,2) NOT NULL COMMENT '金额',
  PRIMARY KEY (`id`) USING BTREE
) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_bin COMMENT='订单明细表';

-- ----------------------------
-- Records of order_detail
-- ----------------------------

-- ----------------------------
-- Table structure for setmeal
-- ----------------------------
DROP TABLE IF EXISTS `setmeal`;
CREATE TABLE `setmeal` (
  `id` bigint(20) NOT NULL COMMENT '主键',
  `category_id` bigint(20) NOT NULL COMMENT '菜品分类id',
  `name` varchar(64) COLLATE utf8_bin NOT NULL COMMENT '套餐名称',
  `price` decimal(10,2) NOT NULL COMMENT '套餐价格',
  `status` int(11) DEFAULT NULL COMMENT '状态 0:停用 1:启用',
  `code` varchar(32) COLLATE utf8_bin DEFAULT NULL COMMENT '编码',
  `description` varchar(512) COLLATE utf8_bin DEFAULT NULL COMMENT '描述信息',
  `image` varchar(255) COLLATE utf8_bin DEFAULT NULL COMMENT '图片',
  `create_time` datetime NOT NULL COMMENT '创建时间',
  `update_time` datetime NOT NULL COMMENT '更新时间',
  `create_user` bigint(20) NOT NULL COMMENT '创建人',
  `update_user` bigint(20) NOT NULL COMMENT '修改人',
  `is_deleted` int(11) NOT NULL DEFAULT '0' COMMENT '是否删除',
  PRIMARY KEY (`id`) USING BTREE,
  UNIQUE KEY `idx_setmeal_name` (`name`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_bin COMMENT='套餐';

-- ----------------------------
-- Records of setmeal
-- ----------------------------
INSERT INTO `setmeal` VALUES ('1415580119015145474', '1413386191767674881', '儿童套餐A计划', '4000.00', '1', '', '', '61d20592-b37f-4d72-a864-07ad5bb8f3bb.jpg', '2021-07-15 15:52:55', '2021-07-15 15:52:55', '1415576781934608386', '1415576781934608386', '0');

-- ----------------------------
-- Table structure for setmeal_dish
-- ----------------------------
DROP TABLE IF EXISTS `setmeal_dish`;
CREATE TABLE `setmeal_dish` (
  `id` bigint(20) NOT NULL COMMENT '主键',
  `setmeal_id` varchar(32) COLLATE utf8_bin NOT NULL COMMENT '套餐id ',
  `dish_id` varchar(32) COLLATE utf8_bin NOT NULL COMMENT '菜品id',
  `name` varchar(32) COLLATE utf8_bin DEFAULT NULL COMMENT '菜品名称 （冗余字段）',
  `price` decimal(10,2) DEFAULT NULL COMMENT '菜品原价（冗余字段）',
  `copies` int(11) NOT NULL COMMENT '份数',
  `sort` int(11) NOT NULL DEFAULT '0' COMMENT '排序',
  `create_time` datetime NOT NULL COMMENT '创建时间',
  `update_time` datetime NOT NULL COMMENT '更新时间',
  `create_user` bigint(20) NOT NULL COMMENT '创建人',
  `update_user` bigint(20) NOT NULL COMMENT '修改人',
  `is_deleted` int(11) NOT NULL DEFAULT '0' COMMENT '是否删除',
  PRIMARY KEY (`id`) USING BTREE
) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_bin COMMENT='套餐菜品关系';

-- ----------------------------
-- Records of setmeal_dish
-- ----------------------------
INSERT INTO `setmeal_dish` VALUES ('1415580119052894209', '1415580119015145474', '1397862198033297410', '老火靓汤', '49800.00', '1', '0', '2021-07-15 15:52:55', '2021-07-15 15:52:55', '1415576781934608386', '1415576781934608386', '0');
INSERT INTO `setmeal_dish` VALUES ('1415580119061282817', '1415580119015145474', '1413342036832100354', '北冰洋', '500.00', '1', '0', '2021-07-15 15:52:55', '2021-07-15 15:52:55', '1415576781934608386', '1415576781934608386', '0');
INSERT INTO `setmeal_dish` VALUES ('1415580119069671426', '1415580119015145474', '1413385247889891330', '米饭', '200.00', '1', '0', '2021-07-15 15:52:55', '2021-07-15 15:52:55', '1415576781934608386', '1415576781934608386', '0');

-- ----------------------------
-- Table structure for shopping_cart
-- ----------------------------
DROP TABLE IF EXISTS `shopping_cart`;
CREATE TABLE `shopping_cart` (
  `id` bigint(20) NOT NULL COMMENT '主键',
  `name` varchar(50) COLLATE utf8_bin DEFAULT NULL COMMENT '名称',
  `image` varchar(100) COLLATE utf8_bin DEFAULT NULL COMMENT '图片',
  `user_id` bigint(20) NOT NULL COMMENT '主键',
  `dish_id` bigint(20) DEFAULT NULL COMMENT '菜品id',
  `setmeal_id` bigint(20) DEFAULT NULL COMMENT '套餐id',
  `dish_flavor` varchar(50) COLLATE utf8_bin DEFAULT NULL COMMENT '口味',
  `number` int(11) NOT NULL DEFAULT '1' COMMENT '数量',
  `amount` decimal(10,2) NOT NULL COMMENT '金额',
  `create_time` datetime DEFAULT NULL COMMENT '创建时间',
  PRIMARY KEY (`id`) USING BTREE
) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_bin COMMENT='购物车';

-- ----------------------------
-- Records of shopping_cart
-- ----------------------------

-- ----------------------------
-- Table structure for user
-- ----------------------------
DROP TABLE IF EXISTS `user`;
CREATE TABLE `user` (
  `id` bigint(20) NOT NULL COMMENT '主键',
  `name` varchar(50) COLLATE utf8_bin DEFAULT NULL COMMENT '姓名',
  `phone` varchar(100) COLLATE utf8_bin NOT NULL COMMENT '手机号',
  `sex` varchar(2) COLLATE utf8_bin DEFAULT NULL COMMENT '性别',
  `id_number` varchar(18) COLLATE utf8_bin DEFAULT NULL COMMENT '身份证号',
  `avatar` varchar(500) COLLATE utf8_bin DEFAULT NULL COMMENT '头像',
  `status` int(11) DEFAULT '0' COMMENT '状态 0:禁用，1:正常',
  PRIMARY KEY (`id`) USING BTREE
) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_bin COMMENT='用户信息';

3.2.maven项目搭建

3.2.1.项目结构

3.2.2.pom.xml



    4.0.0
    
        org.springframework.boot
        spring-boot-starter-parent
        2.4.5
        
    

    com.itheima
    reggie_take_out
    1.0-SNAPSHOT

    
        UTF-8
        1.8
        1.8
        1.8
    

    
        
            org.springframework.boot
            spring-boot-starter
        
        
            org.springframework.boot
            spring-boot-starter-test
            test
        
        
            org.springframework.boot
            spring-boot-starter-web
            compile
        
        
            com.baomidou
            mybatis-plus-boot-starter
            3.4.2
        
        
            org.projectlombok
            lombok
            1.18.20
        
        
            com.alibaba
            fastjson
            1.2.76
        
        
            commons-lang
            commons-lang
            2.6
        
        
            mysql
            mysql-connector-java
            runtime
        
        
            com.alibaba
            druid-spring-boot-starter
            1.1.23
        
    

    
        
            
                org.springframework.boot
                spring-boot-maven-plugin
                2.4.5

3.2.3.application.yml

server:
  port: 8080
spring:
  application:
    # 应用的名称
    name: reggie_take_out
  datasource:
    druid:
      driver-class-name: com.mysql.cj.jdbc.Driver
      url: jdbc:mysql://localhost:3306/reggie?serverTimezone=Asia/Shanghai&useUnicode=true&characterEncoding=utf-8&zeroDateTimeBehavior=convertToNull&useSSL=false&allowPublicKeyRetrieval=true
      username: root
      password: root
mybatis-plus:
  configuration:
    #在映射实体或者属性时，将数据库中表名和字段名中的下划线去掉，按照驼峰命名法映射
    map-underscore-to-camel-case: true
    log-impl: org.apache.ibatis.logging.stdout.StdOutImpl
  global-config:
    db-config:
      id-type: ASSIGN_ID

3.2.4.ReggieApplication.java

这里是启动类

package com.itheima.raggie;

import lombok.extern.slf4j.Slf4j;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;

@Slf4j
@SpringBootApplication
public class ReggieApplication {
    public static void main(String[] args) {
        SpringApplication.run(ReggieApplication.class);
        log.info("......项目启动成功......");
    }
}

@Slf4j 是用作日志输出的，添加了该注释之后，就可以在代码中直接饮用 log.info( ) 打印日志了。

@Slf4j：自动在 bean 中提供 log 变量，其实用的是 slf4j 的日志功能。

3.2.5.WebMvcConfig.java

把前端的静态资源（瑞吉外卖项目>资料>前端资源中的 backend 包和 front 包）放在 resource 目录下，再设置静态资源映射。

package com.itheima.raggie.config;

import lombok.extern.slf4j.Slf4j;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurationSupport;

@Slf4j
@Configuration
public class WebMvcConfig extends WebMvcConfigurationSupport {
    
    @Override
    protected void addResourceHandlers(ResourceHandlerRegistry registry) {
        log.info("......开始进行静态资源的映射......");
        registry.addResourceHandler("/backend
@Data
public class R {

    private Integer code; //编码：1成功，0和其它数字为失败

    private String msg; //错误信息

    private T data; //数据

    private Map map = new HashMap(); //动态数据

    public static  R success(T object) {
        R r = new R();
        r.data = object;
        r.code = 1;
        return r;
    }

    public static  R error(String msg) {
        R r = new R();
        r.msg = msg;
        r.code = 0;
        return r;
    }

    public R add(String key, Object value) {
        this.map.put(key, value);
        return this;
    }

}

4.2.3.Mapper和Service

3.编写 mapper、service

src/main/java/com/itheima/raggie/mapper/EmployeeMapper.java

package com.itheima.raggie.mapper;

import com.baomidou.mybatisplus.core.mapper.BaseMapper;
import com.itheima.raggie.entity.Employee;
import org.apache.ibatis.annotations.Mapper;

@Mapper
public interface EmployeeMapper extends BaseMapper { }

com/itheima/raggie/service/EmployeeService.java

package com.itheima.raggie.service;

import com.baomidou.mybatisplus.extension.service.IService;
import com.itheima.raggie.entity.Employee;

public interface EmployeeService extends IService { }

com/itheima/raggie/service/impl/EmployeeServiceImpl.java

package com.itheima.raggie.service.impl;

import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.itheima.raggie.entity.Employee;
import com.itheima.raggie.mapper.EmployeeMapper;
import com.itheima.raggie.service.EmployeeService;
import org.springframework.stereotype.Service;

@Service
public class EmployeeServiceImpl extends ServiceImpl implements EmployeeService { }

4.2.4.在Controller中创建登录方法

处理逻辑如下：

将页面提交的密码password进行md5加密处理
根据页面提交的用户名username查询数据库
如果没有查询到则返回登录失败结果
密码比对，如果不-一致则返回登录失败结果，
查看员工状态，如果为已禁用状态，则返回员工已禁用结果
登录成功，将员工id存入Session并返回登录成功结果

com/itheima/raggie/controller/EmployeeController.java

package com.itheima.raggie.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.itheima.raggie.common.R;
import com.itheima.raggie.entity.Employee;
import com.itheima.raggie.service.EmployeeService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.util.DigestUtils;
import org.springframework.web.bind.annotation.*;

import javax.servlet.http.HttpServletRequest;

@Slf4j
@RestController
@RequestMapping("/employee")
public class EmployeeController {
    @Autowired
    private EmployeeService employeeService;

    
    @PostMapping("/login")
    public R login(HttpServletRequest request, @RequestBody Employee employee) {
        //1.将页面提交的密码进行md5加密处理
        String password = employee.getPassword();
        password = DigestUtils.md5DigestAsHex(password.getBytes());

        //2.根据页面提交的用户名来查数据库
        LambdaQueryWrapper queryWrapper = new LambdaQueryWrapper();
        queryWrapper.eq(Employee::getUsername, employee.getUsername());
        Employee emp = employeeService.getOne(queryWrapper);

        //3.如果没有查询到则返回失败结果
        if (emp == null) {
            return R.error("登录失败");
        }

        //4.比对密码，如果不一致则返回失败结果
        if (!emp.getPassword().equals(password)) {
            return R.error("密码错误");
        }

        //5.查看员工状态，如果已禁用状态，则返回员工已禁用结果
        if (emp.getStatus() == 0) {
            return R.error("账号已禁用");
        }

        //6.登录成功，将用户 id 存入 Session 并返回成功结果
        request.getSession().setAttribute("employee", emp.getId());

        return R.success(emp);
    }

}

4.2.5.登录成功的userInfo数据

5.后台退出功能开发

5.1.需求分析

员工登录成功后，页面跳转到后台系统首页面（backend/index.html），此时会显示当前登录用户的姓名。

如果员工需要退出系统，直接点击右侧的退出按钮即可退出系统，退出系统后页面应跳转回登录页面。

5.2.代码功能

用户点击页面中退出按钮，发送请求，请求地址是/employee/logout，请求方式是POST。

我们只需要在Controller中插件对于的处理方法即可。

具体的逻辑：1.清理session中用户的id；2.返回结果

@PostMapping("/logout")
public R logout(HttpServletRequest request) {
    //清理Session中保存的当前员工登录的id
    request.getSession().removeAttribute("employee");
    return R.success("退出成功");
}

学习【瑞吉外卖①】SpringBoot单体项目

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