项目创建

创建父工程

 

 pom.xml

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>

    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>3.0.0</version>
        <relativePath/> <!-- lookup parent from repository -->
    </parent>

    <groupId>com.xt</groupId>
    <artifactId>myYeb</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <packaging>pom</packaging>
    <name>myYeb</name>
    <description>myYeb</description>

    <modules>
        <module>yeb-server</module>
    </modules>

    <properties>
        <java.version>1.8</java.version>
    </properties>


</project>

 

创建子模块

 

 

pom.xml

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>
    <parent>
        <groupId>com.xt</groupId>
        <artifactId>myYeb</artifactId>
        <version>0.0.1-SNAPSHOT</version>
    </parent>

    <artifactId>yeb-server</artifactId>
    <packaging>jar</packaging>

    <name>yeb-server</name>
    <url>http://maven.apache.org</url>

    <properties>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <maven.compiler.source>1.8</maven.compiler.source>
        <maven.compiler.target>1.8</maven.compiler.target>
    </properties>

    <dependencies>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>
        <dependency>
            <groupId>org.projectlombok</groupId>
            <artifactId>lombok</artifactId>
            <optional>true</optional>
        </dependency>
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <scope>runtime</scope>
        </dependency>
        <dependency>
            <groupId>com.baomidou</groupId>
            <artifactId>mybatis-plus-boot-starter</artifactId>
            <version>3.3.1.tmp</version>
        </dependency>
    </dependencies>
</project>

application.yml

server:
  # 端口是 8081
  port: 8081

spring:
  # 数据源配置
  datasource:
    driver-class-name: com.mysql.cj.jdbc.Driver
    url: jdbc:mysql://localhost:3306/yeb?useUnicode=true&characterEncoding=UTF-8&serverTimezone=Asia/Shanghai
    username: root
    password: root

    # SpringBoot自带的连接池 hikari，号称最快的连接池
    hikari:
      # 连接池名
      pool-name: DateHikariCP
      # 最小空闲连接数
      minimum-idle: 5
      # 空闲连接存活最大时间，默认600000（10分钟）
      idle-timeout: 180000
      # 最大连接数，默认10
      maximum-pool-size: 10
      # 从连接池返回的连接的自动提交
      auto-commit: true
      # 连接最大存活时间，0表示永久存活，默认1800000（30分钟）
      max-lifetime: 1800000
      # 连接超时时间，默认30000（30秒）
      connection-timeout: 30000
      # 测试连接是否可用的查询语句
      connection-test-query: SELECT 1
# Mybatis-plus配置
mybatis-plus:
  #配置Mapper映射文件
  mapper-locations: classpath*:/mapper/*Mapper.xml
  # 配置MyBatis数据返回类型别名（默认别名是类名）
  type-aliases-package: com.xt.server.pojo
  configuration:
    # 自动驼峰命名
    map-underscore-to-camel-case: false

## Mybatis SQL 打印(方法接口所在的包，不是Mapper.xml所在的包)
logging:
  level:
    com.xt.server.mapper: debug

 

启动类

package com.xt.server;

import org.mybatis.spring.annotation.MapperScan;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;

//启动类
@SpringBootApplication
@MapperScan("com.xt.server.mapper")
public class YebServerApplication {

    public static void main(String[] args) {
        SpringApplication.run(YebServerApplication.class,args);
    }
}