SpringBoot+Vue豆宝社区前后端分离项目手把手实战系列教程02---创建后端工程

时间:2023-12-30 17:50:16

本节代码开源地址

代码地址

项目运行截图

SpringBoot+Vue豆宝社区前后端分离项目手把手实战系列教程02---创建后端工程

搭建后端工程

0.导入sql

在数据库导入

/*
Navicat Premium Data Transfer
Source Server : localhost
Source Server Type : MySQL
Source Server Version : 80022
Source Host : localhost:3306
Source Schema : doubao
Target Server Type : MySQL
Target Server Version : 80022
File Encoding : 65001
*/ SET NAMES utf8mb4;
SET FOREIGN_KEY_CHECKS = 0; -- ----------------------------
-- Table structure for bms_billboard
-- ----------------------------
DROP TABLE IF EXISTS `bms_billboard`;
CREATE TABLE `bms_billboard` (
`id` int NOT NULL AUTO_INCREMENT COMMENT '主键',
`content` varchar(255) CHARACTER SET utf8mb4 NOT NULL COMMENT '公告',
`create_time` datetime NULL DEFAULT NULL COMMENT '公告时间',
`show` tinyint(1) NULL DEFAULT NULL COMMENT '1:展示中,0:过期',
PRIMARY KEY (`id`) USING BTREE
) ENGINE = InnoDB AUTO_INCREMENT = 6 CHARACTER SET = utf8mb4 COMMENT = '全站公告' ROW_FORMAT = DYNAMIC; -- ----------------------------
-- Records of bms_billboard
-- ----------------------------
INSERT INTO `bms_billboard` VALUES (2, 'R1.0 开始已实现护眼模式 ,妈妈再也不用担心我的眼睛了。', '2020-11-19 17:16:19', 0);
INSERT INTO `bms_billboard` VALUES (4, '系统已更新至最新版1.0.1', NULL, 1); -- ----------------------------
-- Table structure for bms_follow
-- ----------------------------
DROP TABLE IF EXISTS `bms_follow`;
CREATE TABLE `bms_follow` (
`id` int NOT NULL AUTO_INCREMENT COMMENT '主键',
`parent_id` varchar(20) CHARACTER SET utf8mb4 NULL DEFAULT NULL COMMENT '被关注人ID',
`follower_id` varchar(20) CHARACTER SET utf8mb4 NULL DEFAULT NULL COMMENT '关注人ID',
PRIMARY KEY (`id`) USING BTREE
) ENGINE = InnoDB AUTO_INCREMENT = 130 CHARACTER SET = utf8mb4 COMMENT = '用户关注' ROW_FORMAT = DYNAMIC; -- ----------------------------
-- Records of bms_follow
-- ----------------------------
INSERT INTO `bms_follow` VALUES (65, '1329723594994229250', '1317498859501797378');
INSERT INTO `bms_follow` VALUES (85, '1332912847614083073', '1332636310897664002');
INSERT INTO `bms_follow` VALUES (129, '1349290158897311745', '1349618748226658305'); -- ----------------------------
-- Table structure for bms_post
-- ----------------------------
DROP TABLE IF EXISTS `bms_post`;
CREATE TABLE `bms_post` (
`id` varchar(20) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL COMMENT '主键',
`title` varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL DEFAULT '' COMMENT '标题',
`content` longtext CHARACTER SET utf8 COLLATE utf8_general_ci NULL COMMENT 'markdown内容',
`user_id` varchar(20) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL COMMENT '作者ID',
`comments` int NOT NULL DEFAULT 0 COMMENT '评论统计',
`collects` int NOT NULL DEFAULT 0 COMMENT '收藏统计',
`view` int NOT NULL DEFAULT 0 COMMENT '浏览统计',
`top` bit(1) NOT NULL DEFAULT b'0' COMMENT '是否置顶,1-是,0-否',
`essence` bit(1) NOT NULL DEFAULT b'0' COMMENT '是否加精,1-是,0-否',
`section_id` int NULL DEFAULT 0 COMMENT '专栏ID',
`create_time` datetime NOT NULL COMMENT '发布时间',
`modify_time` datetime NULL DEFAULT NULL COMMENT '修改时间',
UNIQUE INDEX `title`(`title`) USING BTREE,
INDEX `user_id`(`user_id`) USING BTREE,
INDEX `create_time`(`create_time`) USING BTREE
) ENGINE = InnoDB CHARACTER SET = utf8 COLLATE = utf8_general_ci COMMENT = '话题表' ROW_FORMAT = DYNAMIC; -- ----------------------------
-- Records of bms_post
-- ----------------------------
INSERT INTO `bms_post` VALUES ('1333447953558765569', '1', '12\n2\n\n', '1349290158897311745', 0, 0, 77, b'0', b'0', 0, '2020-12-01 00:29:01', '2020-12-03 23:56:51');
INSERT INTO `bms_post` VALUES ('1349362401438392322', '2021 健康,快乐', '2021的`FLAG`\n\n1. 技能进步\n2. 没有烦恼\n3. 发财 :smile:\n\n', '1349290158897311745', 0, 0, 21, b'0', b'0', 0, '2021-01-13 22:27:21', '2021-01-14 17:30:13');
INSERT INTO `bms_post` VALUES ('1334481725322297346', 'hello,spring-security', ':hibiscus: spring-security\n\n', '1349290158897311745', 0, 0, 46, b'0', b'0', 0, '2020-12-03 20:56:51', NULL);
INSERT INTO `bms_post` VALUES ('1332650453142827009', '哈哈哈,helloworld', '这是第一篇哦\n\n> hi :handshake: 你好\n\n`hello world`\n\n:+1: 很好\n', '1349290158897311745', 0, 0, 29, b'0', b'0', 1, '2020-11-28 19:40:02', '2020-11-28 19:46:39');
INSERT INTO `bms_post` VALUES ('1333432347031646209', '哈哈哈,换了个dark主题', '主题更换为Dark\n\n', '1349290158897311745', 0, 0, 6, b'0', b'0', 0, '2020-11-30 23:27:00', NULL);
INSERT INTO `bms_post` VALUES ('1333668258587750401', '嘿嘿,测试一下啊', '大家好\n`Hello everyone!`\n\n\n\n', '1349290158897311745', 0, 0, 7, b'0', b'0', 0, '2020-12-01 15:04:26', '2020-12-01 16:49:14');
INSERT INTO `bms_post` VALUES ('1332682473151635458', '我要发财', '2021 冲冲冲!!!\n\n', '1349290158897311745', 0, 0, 94, b'0', b'0', 2, '2020-11-28 21:47:16', '2020-11-30 19:40:22');
INSERT INTO `bms_post` VALUES ('1333695976536748034', '最新版本介绍,同步更新!', '<p align=center>一款基于SpringBoot构建的智慧社区系统</p>\n\n<p align=center>\n<a href=\"https://github.com/1020317774/rhapsody-admin/stargazers\"><img alt=\"GitHub release\" src=\"https://img.shields.io/github/release/1020317774/rhapsody-admin?style=flat-square\"></a>\n<a href=\"https://github.com/1020317774/rhapsody-admin/blob/main/LICENSE\"><img alt=\"GitHub license\" src=\"https://img.shields.io/github/license/1020317774/rhapsody-admin\"></a>\n</p>\n\n### Hi there :wave:\n\n<!--\n**1020317774/1020317774** is a :sparkles: _special_ :sparkles: repository because its `README.md` (this file) appears on your GitHub profile.\n\nHere are some ideas to get you started:\n\n- :telescope: I’m currently working on ...\n- :seedling: I’m currently learning ...\n- :dancers: I’m looking to collaborate on ...\n- :thinking: I’m looking for help with ...\n- :speech_balloon: Ask me about ...\n- :mailbox: How to reach me: ...\n- :smile: Pronouns: ...\n- :zap: Fun fact: ...\n-->\n\n[![1020317774\'s github stats](https://github-readme-stats.vercel.app/api?username=1020317774&show_icons=true&count_private=true)](https://github.com/1020317774)\n\n[![Top Langs](https://github-readme-stats.vercel.app/api/top-langs/?username=1020317774&layout=compact)](https://github.com/1020317774)\n---------\n\n> 作者:王一晨\n> github:[https://github.com/1020317774](https://github.com/1020317774)\n\n## 技术栈\n\n- [x] SpringBoot 2.X\n- [x] Mysql 8.X\n- [x] Mybatis\n- [x] MybatisPlus\n- [x] Redis\n- [x] Jwt\n- [x] FastJson\n- [x] Hutool\n- [x] Lombok\n- [ ] ElasticSearch\n\n……\n\n## 安装指导\n\n- 克隆\n\n```java\ngit clone https://github.com/1020317774/rhapsody-admin.git\n```\n\n- 修改`application.properties`选择环境\n- 修改多环境配置中的redis参数和数据库\n- 启动`BootApplication`\n- 访问[`http://127.0.0.1:10000`](http://127.0.0.1:10000)\n\n', '1349290158897311745', 0, 0, 45, b'1', b'1', 0, '2020-12-01 16:54:34', '2020-12-01 17:05:00');
INSERT INTO `bms_post` VALUES ('1349631541260595202', '权限部分 OK', '1. 创建 ok\n2. 修改 ok\n3. 删除 ok\n\n', '1349290158897311745', 0, 0, 17, b'0', b'0', 0, '2021-01-14 16:16:49', '2021-01-14 16:18:53');
INSERT INTO `bms_post` VALUES ('1333676096156528641', '测试', '测试\n\n', '1349290158897311745', 0, 0, 38, b'0', b'0', 0, '2020-12-01 15:35:34', NULL);
INSERT INTO `bms_post` VALUES ('1332681213400817665', '聚合查询并统计', '* [x] SQL:\n\n```sql\nSELECT s.*,\nCOUNT(t.id) AS topics\nFROM section s\nLEFT JOIN topic t\nON s.id = t.section_id\nGROUP BY s.title\n```\n\n', '1349290158897311745', 0, 0, 55, b'0', b'0', 1, '2020-11-28 21:42:16', '2020-11-29 15:00:42');
INSERT INTO `bms_post` VALUES ('1335149981733449729', '视频嵌入', ':+1:\n\n[https://www.bilibili.com/video/BV1w64y1f7w3](https://www.bilibili.com/video/BV1w64y1f7w3)\n\n[1](https://www.bilibili.com/video/BV1tp4y1x72w)\n\n```\n.vditor-reset pre > code\n```\n\n```\npublic class HelloWorld {\n\npublic static void main(String[] args) {\n System.out.println(\"Hello World!\");\n}\n}\n```\n\n', '1349290158897311745', 0, 0, 41, b'0', b'0', 0, '2020-12-05 17:12:16', '2021-01-14 13:06:16'); -- ----------------------------
-- Table structure for bms_comment
-- ----------------------------
DROP TABLE IF EXISTS `bms_comment`;
CREATE TABLE `bms_comment` (
`id` varchar(20) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL COMMENT '主键',
`content` varchar(1000) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL DEFAULT '' COMMENT '内容',
`user_id` varchar(20) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL COMMENT '作者ID',
`topic_id` varchar(20) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL COMMENT 'topic_id',
`create_time` datetime NOT NULL COMMENT '发布时间',
`modify_time` datetime NULL DEFAULT NULL COMMENT '修改时间',
PRIMARY KEY (`id`) USING BTREE
) ENGINE = InnoDB CHARACTER SET = utf8 COLLATE = utf8_general_ci COMMENT = '评论表' ROW_FORMAT = DYNAMIC; -- ----------------------------
-- Table structure for bms_tag
-- ----------------------------
DROP TABLE IF EXISTS `bms_tag`;
CREATE TABLE `bms_tag` (
`id` varchar(20) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL COMMENT '标签ID',
`name` varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL DEFAULT '' COMMENT '标签',
`topic_count` int NOT NULL DEFAULT 0 COMMENT '关联话题',
PRIMARY KEY (`id`) USING BTREE,
UNIQUE INDEX `name`(`name`) USING BTREE
) ENGINE = InnoDB CHARACTER SET = utf8 COLLATE = utf8_general_ci COMMENT = '标签表' ROW_FORMAT = DYNAMIC; -- ----------------------------
-- Records of bms_tag
-- ----------------------------
INSERT INTO `bms_tag` VALUES ('1332650453377708034', 'java', 1);
INSERT INTO `bms_tag` VALUES ('1332681213568589825', 'css', 1);
INSERT INTO `bms_tag` VALUES ('1332681213631504385', 'mongodb', 1);
INSERT INTO `bms_tag` VALUES ('1332682473218744321', 'python', 1);
INSERT INTO `bms_tag` VALUES ('1332913064463794178', 'vue', 2);
INSERT INTO `bms_tag` VALUES ('1332913064530903041', 'react', 1);
INSERT INTO `bms_tag` VALUES ('1333432347107143681', 'node', 1);
INSERT INTO `bms_tag` VALUES ('1333432347107143682', 'mysql', 1);
INSERT INTO `bms_tag` VALUES ('1333447953697177602', 'flask', 2);
INSERT INTO `bms_tag` VALUES ('1333676096320106498', 'spring', 1);
INSERT INTO `bms_tag` VALUES ('1333695976742268930', 'django', 1);
INSERT INTO `bms_tag` VALUES ('1334481725519429634', 'security', 1);
INSERT INTO `bms_tag` VALUES ('1349362401597775874', 'tensorflow', 1);
INSERT INTO `bms_tag` VALUES ('1349631541306732545', 'pytorch', 1); -- ----------------------------
-- Table structure for bms_post_tag
-- ----------------------------
DROP TABLE IF EXISTS `bms_post_tag`;
CREATE TABLE `bms_post_tag` (
`id` int NOT NULL AUTO_INCREMENT COMMENT '主键',
`tag_id` varchar(20) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL COMMENT '标签ID',
`topic_id` varchar(20) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL COMMENT '话题ID',
PRIMARY KEY (`id`) USING BTREE,
INDEX `tag_id`(`tag_id`) USING BTREE,
INDEX `topic_id`(`topic_id`) USING BTREE
) ENGINE = InnoDB AUTO_INCREMENT = 52 CHARACTER SET = utf8 COLLATE = utf8_general_ci COMMENT = '话题-标签 中间表' ROW_FORMAT = DYNAMIC; -- ----------------------------
-- Records of bms_post_tag
-- ----------------------------
INSERT INTO `bms_post_tag` VALUES (36, '1332650453377708034', '1332650453142827009');
INSERT INTO `bms_post_tag` VALUES (37, '1332681213568589825', '1332681213400817665');
INSERT INTO `bms_post_tag` VALUES (38, '1332681213631504385', '1332681213400817665');
INSERT INTO `bms_post_tag` VALUES (39, '1332682473218744321', '1332682473151635458');
INSERT INTO `bms_post_tag` VALUES (40, '1332913064463794178', '1332913064396685314');
INSERT INTO `bms_post_tag` VALUES (41, '1332913064530903041', '1332913064396685314');
INSERT INTO `bms_post_tag` VALUES (42, '1333432347107143681', '1333432347031646209');
INSERT INTO `bms_post_tag` VALUES (43, '1333432347107143682', '1333432347031646209');
INSERT INTO `bms_post_tag` VALUES (44, '1333447953697177602', '1333447953558765569');
INSERT INTO `bms_post_tag` VALUES (45, '1332913064463794178', '1333668258587750401');
INSERT INTO `bms_post_tag` VALUES (46, '1333676096320106498', '1333676096156528641');
INSERT INTO `bms_post_tag` VALUES (47, '1333695976742268930', '1333695976536748034');
INSERT INTO `bms_post_tag` VALUES (48, '1334481725519429634', '1334481725322297346');
INSERT INTO `bms_post_tag` VALUES (49, '1333447953697177602', '1335149981733449729');
INSERT INTO `bms_post_tag` VALUES (50, '1349362401597775874', '1349362401438392322');
INSERT INTO `bms_post_tag` VALUES (51, '1349631541306732545', '1349631541260595202'); -- ----------------------------
-- Table structure for bms_promotion
-- ----------------------------
DROP TABLE IF EXISTS `bms_promotion`;
CREATE TABLE `bms_promotion` (
`id` int NOT NULL AUTO_INCREMENT COMMENT '主键',
`title` varchar(255) CHARACTER SET utf8mb4 NULL DEFAULT NULL COMMENT '广告标题',
`link` varchar(255) CHARACTER SET utf8mb4 NULL DEFAULT NULL COMMENT '广告链接',
`description` varchar(255) CHARACTER SET utf8mb4 NULL DEFAULT NULL COMMENT '说明',
PRIMARY KEY (`id`) USING BTREE
) ENGINE = InnoDB AUTO_INCREMENT = 4 CHARACTER SET = utf8mb4 COMMENT = '广告推广表' ROW_FORMAT = DYNAMIC; -- ----------------------------
-- Records of bms_promotion
-- ----------------------------
INSERT INTO `bms_promotion` VALUES (1, '开发者头条', 'https://juejin.cn/', '开发者头条');
INSERT INTO `bms_promotion` VALUES (2, '并发编程网', 'https://juejin.cn/', '并发编程网');
INSERT INTO `bms_promotion` VALUES (3, '掘金', 'https://juejin.cn/', '掘金'); -- ----------------------------
-- Table structure for bms_tip
-- ----------------------------
DROP TABLE IF EXISTS `bms_tip`;
CREATE TABLE `bms_tip` (
`id` int UNSIGNED NOT NULL AUTO_INCREMENT COMMENT '主键',
`content` varchar(1000) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL DEFAULT '' COMMENT '内容',
`author` varchar(50) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT '' COMMENT '作者',
`type` tinyint NOT NULL COMMENT '1:使用,0:过期',
PRIMARY KEY (`id`) USING BTREE
) ENGINE = InnoDB AUTO_INCREMENT = 24864 CHARACTER SET = utf8 COLLATE = utf8_general_ci COMMENT = '每日赠言' ROW_FORMAT = DYNAMIC; -- ----------------------------
-- Records of bms_tip
-- ----------------------------
INSERT INTO `bms_tip` VALUES (1, '多锉出快锯,多做长知识。', '佚名', 1);
INSERT INTO `bms_tip` VALUES (2, '未来总留着什么给对它抱有信心的人。', '佚名', 1);
INSERT INTO `bms_tip` VALUES (3, '一个人的智慧不够用,两个人的智慧用不完。', '谚语', 1);
INSERT INTO `bms_tip` VALUES (4, '十个指头按不住十个跳蚤', '傣族', 1);
INSERT INTO `bms_tip` VALUES (5, '言不信者,行不果。', '墨子', 1);
INSERT INTO `bms_tip` VALUES (6, '攀援而登,箕踞而遨,则几数州之土壤,皆在衽席之下。', '柳宗元', 1);
INSERT INTO `bms_tip` VALUES (7, '美德大都包含在良好的习惯之内。', '帕利克', 1);
INSERT INTO `bms_tip` VALUES (8, '人有不及,可以情恕。', '《晋书》', 1);
INSERT INTO `bms_tip` VALUES (9, '明·吴惟顺', '法不传六耳', 1);
INSERT INTO `bms_tip` VALUES (10, '真正的朋友应该说真话,不管那话多么尖锐。', '奥斯特洛夫斯基', 1);
INSERT INTO `bms_tip` VALUES (11, '时间是一切财富中最宝贵的财富。', '德奥弗拉斯多', 1);
INSERT INTO `bms_tip` VALUES (12, '看人下菜碟', '民谚', 1);
INSERT INTO `bms_tip` VALUES (13, '如果不是怕别人反感,女人决不会保持完整的严肃。', '拉罗什福科', 1);
INSERT INTO `bms_tip` VALUES (14, '爱是春暖花开时对你满满的笑意', '佚名', 1);
INSERT INTO `bms_tip` VALUES (15, '希望是坚韧的拐杖,忍耐是旅行袋,携带它们,人可以登上永恒之旅。', '罗素', 1);
INSERT INTO `bms_tip` VALUES (18, '天国般的幸福,存在于对真爱的希望。', '佚名', 1);
INSERT INTO `bms_tip` VALUES (19, '我们现在必须完全保持党的纪律,否则一切都会陷入污泥中。', '马克思', 1);
INSERT INTO `bms_tip` VALUES (20, '在科学上没有平坦的大道,只有不畏劳苦沿着陡峭山路攀登的人,才有希望达到光辉的顶点。', '马克思', 1);
INSERT INTO `bms_tip` VALUES (21, '懒惰的马嫌路远', '蒙古', 1);
INSERT INTO `bms_tip` VALUES (22, '别忘记热水是由冷水烧成的', '非洲', 1); -- ----------------------------
-- Table structure for ums_user
-- ----------------------------
DROP TABLE IF EXISTS `ums_user`;
CREATE TABLE `ums_user` (
`id` varchar(20) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL COMMENT '用户ID',
`username` varchar(15) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL DEFAULT '' COMMENT '用户名',
`alias` varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL COMMENT '用户昵称',
`password` varchar(100) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT '' COMMENT '密码',
`avatar` varchar(1000) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL COMMENT '头像',
`email` varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL COMMENT '邮箱',
`mobile` varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL COMMENT '手机',
`score` int NOT NULL DEFAULT 0 COMMENT '积分',
`token` varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT '' COMMENT 'token',
`bio` varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL COMMENT '个人简介',
`active` bit(1) NOT NULL DEFAULT b'0' COMMENT '是否激活,1:是,0:否',
`status` bit(1) NULL DEFAULT b'1' COMMENT '状态,1:使用,0:停用',
`role_id` int NULL DEFAULT NULL COMMENT '用户角色',
`create_time` datetime NOT NULL COMMENT '加入时间',
`modify_time` datetime NULL DEFAULT NULL COMMENT '修改时间',
PRIMARY KEY (`id`) USING BTREE,
UNIQUE INDEX `user_name`(`username`) USING BTREE,
INDEX `user_email`(`email`) USING BTREE,
INDEX `user_create_time`(`create_time`) USING BTREE
) ENGINE = InnoDB CHARACTER SET = utf8 COLLATE = utf8_general_ci COMMENT = '用户表' ROW_FORMAT = DYNAMIC; -- ----------------------------
-- Records of ums_user
-- ----------------------------
INSERT INTO `ums_user` VALUES ('1349290158897311745', 'admin', 'admin', '$2a$10$8qx711TBg/2hxfL7N.sxf.0ROMhR/iuPhQx33IFqGd7PLgt5nGJTO', 'https://s3.ax1x.com/2020/12/01/DfHNo4.jpg', '23456@qq.com', NULL, 2, '', '*职业者', b'1', b'1', NULL, '2021-01-13 17:40:17', NULL);
INSERT INTO `ums_user` VALUES ('1349618748226658305', 'zhangsan', 'zhangsan', '$2a$10$7K3yYv8sMV5Xsc2facXTcuyDo8JQ4FJHvjZ7qtWYcJdei3Q6Fvqdm', 'https://s3.ax1x.com/2020/12/01/DfHNo4.jpg', '23456@qq.com', NULL, 0, '', '*职业者', b'1', b'1', NULL, '2021-01-14 15:25:59', NULL); SET FOREIGN_KEY_CHECKS = 1;

创建maven工程

1.pom依赖

<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.3.8.RELEASE</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
<properties>
<maven.compiler.source>8</maven.compiler.source>
<maven.compiler.target>8</maven.compiler.target>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
<mybatis-plus.version>3.4.2</mybatis-plus.version>
<fastjson.version>1.2.75</fastjson.version>
<hutool.version>5.5.7</hutool.version>
<jwt.version>0.9.1</jwt.version>
<emoji-java.version>5.1.1</emoji-java.version>
</properties> <dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter</artifactId>
</dependency>
<!--web-->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<!--lombok-->
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<optional>true</optional>
</dependency>
<!--jjwt-->
<dependency>
<groupId>io.jsonwebtoken</groupId>
<artifactId>jjwt</artifactId>
<version>${jwt.version}</version>
</dependency>
<!--emoji-java 表情包-->
<dependency>
<groupId>com.vdurmont</groupId>
<artifactId>emoji-java</artifactId>
<version>${emoji-java.version}</version>
</dependency>
<!-- lettuce pool 缓存连接池-->
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-pool2</artifactId>
</dependency>
<!--HuTool-->
<dependency>
<groupId>cn.hutool</groupId>
<artifactId>hutool-all</artifactId>
<version>${hutool.version}</version>
</dependency>
<!--mysql-->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<scope>runtime</scope>
</dependency>
<!--mybatis-plus-->
<dependency>
<groupId>com.baomidou</groupId>
<artifactId>mybatis-plus-boot-starter</artifactId>
<version>${mybatis-plus.version}</version>
</dependency>
<!--fastjson-->
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>fastjson</artifactId>
<version>${fastjson.version}</version>
</dependency>
<!--yaml-->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-configuration-processor</artifactId>
<optional>true</optional>
</dependency>
<!--bean validator-->
<dependency>
<groupId>org.hibernate.validator</groupId>
<artifactId>hibernate-validator</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
<exclusions>
<exclusion>
<groupId>org.junit.vintage</groupId>
<artifactId>junit-vintage-engine</artifactId>
</exclusion>
</exclusions>
</dependency>
</dependencies>

2.yam配置

# 端口号
server:
port: 8081 # 数据库
spring:
datasource:
driver-class-name: com.mysql.cj.jdbc.Driver
username: root
password: root
url: jdbc:mysql://127.0.0.1:3306/nodepad_mblog?useUnicode=true&characterEncoding=utf8&autoReconnect=true&serverTimezone=GMT%2B8
type: com.zaxxer.hikari.HikariDataSource # sql日志打印
mybatis-plus:
configuration:
log-impl: org.apache.ibatis.logging.stdout.StdOutImpl

3.启动类

// 我们这里还没有配置数据库,exclude = {DataSourceAutoConfiguration.class就是启动时不加载数据库
// @SpringBootApplication(exclude = {DataSourceAutoConfiguration.class})
@Slf4j
@SpringBootApplication
public class BlogApplication { public static void main(String[] args) {
ConfigurableApplicationContext context = SpringApplication.run(BlogApplication.class, args);
String port = context.getEnvironment().getProperty("server.port");
log.info("http://localhost:"+port);
}
}

启动项目测试有没有报错

4.项目返回和错误处理

SpringBoot+Vue豆宝社区前后端分离项目手把手实战系列教程02---创建后端工程

4.1api数据返回

IErrorCode
public interface IErrorCode {
/**
* 错误编码: -1失败;200成功
*
* @return 错误编码
*/
Integer getCode(); /**
* 错误描述
*
* @return 错误描述
*/
String getMessage();
}
ApiErrorCode
public enum ApiErrorCode implements IErrorCode {

    /**
* 成功
*/
SUCCESS(200, "操作成功"),
/**
* 失败
*/
FAILED(-1, "操作失败"),
/**
* 未登录,Token过期
*/
UNAUTHORIZED(401, "暂未登录或token已经过期"),
/**
* 权限不足
*/
FORBIDDEN(403, "权限不足"),
/**
* 参数校验错误
*/
VALIDATE_FAILED(404, "参数检验失败"); private final Integer code;
private final String message; ApiErrorCode(int code, String message) {
this.code = code;
this.message = message;
} @Override
public Integer getCode() {
return code;
} @Override
public String getMessage() {
return message;
} @Override
public String toString() {
return "ApiErrorCode{" +
"code=" + code +
", message='" +message + '\'' +
'}';
}
}
ApiResult
import lombok.Data;
import lombok.NoArgsConstructor; import java.io.Serializable;
import java.util.Optional; @Data
@NoArgsConstructor
public class ApiResult<T> implements Serializable { private static final long serialVersionUID = -4153430394359594346L;
/**
* 业务状态码
*/
private long code;
/**
* 结果集
*/
private T data;
/**
* 接口描述
*/
private String message; /**
* 全参
*
* @param code 业务状态码
* @param message 描述
* @param data 结果集
*/
public ApiResult(long code, String message, T data) {
this.code = code;
this.message = message;
this.data = data;
} public ApiResult(IErrorCode errorCode) {
errorCode = Optional.ofNullable(errorCode).orElse(ApiErrorCode.FAILED);
this.code = errorCode.getCode();
this.message = errorCode.getMessage();
} /**
* 成功
*
* @param data 结果集
* @return {code:200,message:操作成功,data:自定义}
*/
public static <T> ApiResult<T> success() {
return new ApiResult<T>(ApiErrorCode.SUCCESS.getCode(), ApiErrorCode.SUCCESS.getMessage(), null);
} /**
* 成功
*
* @param data 结果集
* @return {code:200,message:操作成功,data:自定义}
*/
public static <T> ApiResult<T> success(T data) {
return new ApiResult<T>(ApiErrorCode.SUCCESS.getCode(), ApiErrorCode.SUCCESS.getMessage(), data);
} /**
* 成功
*
* @param data 结果集
* @param message 自定义提示信息
* @return {code:200,message:自定义,data:自定义}
*/
public static <T> ApiResult<T> success(T data, String message) {
return new ApiResult<T>(ApiErrorCode.SUCCESS.getCode(), message, data);
} /**
* 失败返回结果
*/
public static <T> ApiResult<T> failed() {
return failed(ApiErrorCode.FAILED);
} /**
* 失败返回结果
*
* @param message 提示信息
* @return {code:枚举ApiErrorCode取,message:自定义,data:null}
*/
public static <T> ApiResult<T> failed(String message) {
return new ApiResult<T>(ApiErrorCode.FAILED.getCode(), message, null);
} /**
* 失败
*
* @param errorCode 错误码
* @return {code:封装接口取,message:封装接口取,data:null}
*/
public static <T> ApiResult<T> failed(IErrorCode errorCode) {
return new ApiResult<T>(errorCode.getCode(), errorCode.getMessage(), null);
} /**
* 失败返回结果
*
* @param errorCode 错误码
* @param message 错误信息
* @return {code:枚举ApiErrorCode取,message:自定义,data:null}
*/
public static <T> ApiResult<T> failed(IErrorCode errorCode, String message) {
return new ApiResult<T>(errorCode.getCode(), message, null);
} /**
* 参数验证失败返回结果
*/
public static <T> ApiResult<T> validateFailed() {
return failed(ApiErrorCode.VALIDATE_FAILED);
} /**
* 参数验证失败返回结果
*
* @param message 提示信息
*/
public static <T> ApiResult<T> validateFailed(String message) {
return new ApiResult<T>(ApiErrorCode.VALIDATE_FAILED.getCode(), message, null);
} /**
* 未登录返回结果
*/
public static <T> ApiResult<T> unauthorized(T data) {
return new ApiResult<T>(ApiErrorCode.UNAUTHORIZED.getCode(), ApiErrorCode.UNAUTHORIZED.getMessage(), data);
} /**
* 未授权返回结果
*/
public static <T> ApiResult<T> forbidden(T data) {
return new ApiResult<T>(ApiErrorCode.FORBIDDEN.getCode(), ApiErrorCode.FORBIDDEN.getMessage(), data);
}
}

4.2全局异常

ApiException
public class ApiException extends RuntimeException {
private IErrorCode errorCode; public ApiException(IErrorCode errorCode) {
super(errorCode.getMessage());
this.errorCode = errorCode;
} public ApiException(String message) {
super(message);
} public IErrorCode getErrorCode() {
return errorCode;
}
}
ApiAsserts
public class ApiAsserts {
/**
* 抛失败异常
*
* @param message 说明
*/
public static void fail(String message) {
throw new ApiException(message);
} /**
* 抛失败异常
*
* @param errorCode 状态码
*/
public static void fail(IErrorCode errorCode) {
throw new ApiException(errorCode);
}
}
GlobalExceptionHandler
import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.ResponseBody; import java.util.Map; @ControllerAdvice
public class GlobalExceptionHandler {
/**
* 捕获自定义异常
*/
@ResponseBody
@ExceptionHandler(value = ApiException.class)
public ApiResult<Map<String, Object>> handle(ApiException e) {
if (e.getErrorCode() != null) {
return ApiResult.failed(e.getErrorCode());
}
return ApiResult.failed(e.getMessage());
}
}