初尝Mybatis Generator

目录结构

数据库

generatorConfig.xml

<generatorConfiguration>
    
    

    
    <context id="MyGenerator" targetRuntime="MyBatis3">
        
        <commentGenerator>
            
            <property name="suppressAllComments" value="true"/>
            
            
            <property name="suppressDate" value="true"/>
        commentGenerator>
        
        <jdbcConnection driverClass="com.mysql.cj.jdbc.Driver"
                        connectionURL="jdbc:mysql://localhost:3306/blog?useUnicode=true&characterEncoding=utf-8&useSSL=true&serverTimezone=Asia/Shanghai"
                        userId="root"
                        password="root">
        jdbcConnection>

        
        
        <javaTypeResolver>
            <property name="forceBigDecimals" value="false"/>
        javaTypeResolver>

        
        
        
        <javaModelGenerator targetPackage="com.dev.blog.entity" targetProject="src/main/java">
            
            <property name="enableSubPackages" value="false"/>
            
            <property name="trimStrings" value="true"/>
        javaModelGenerator>

        
        <sqlMapGenerator targetPackage="mapper" targetProject="src/main/resources">
            <property name="enableSubPackages" value="false"/>
        sqlMapGenerator>

        
        <javaClientGenerator type="XMLMAPPER" targetPackage="com.dev.blog.mapper" targetProject="src/main/java">
            <property name="enableSubPackages" value="true"/>
        javaClientGenerator>

        
        <table tableName="student"/>
        <table tableName="teacher"/>
        
        
        
        
        
        
        

    context>
generatorConfiguration>

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 https://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0modelVersion>
    <parent>
        <groupId>org.springframework.bootgroupId>
        <artifactId>spring-boot-starter-parentartifactId>
        <version>2.3.3.RELEASEversion>
        <relativePath/> 
    parent>
    <groupId>com.devgroupId>
    <artifactId>blogartifactId>
    <version>0.0.1-SNAPSHOTversion>
    <name>blogname>
    <description>Demo project for Spring Bootdescription>

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

    <dependencies>
        <dependency>
            <groupId>org.mybatis.spring.bootgroupId>
            <artifactId>mybatis-spring-boot-starterartifactId>
            <version>2.1.3version>
        dependency>

        <dependency>
            <groupId>org.springframework.bootgroupId>
            <artifactId>spring-boot-devtoolsartifactId>
            <scope>runtimescope>
            <optional>trueoptional>
        dependency>
        <dependency>
            <groupId>mysqlgroupId>
            <artifactId>mysql-connector-javaartifactId>
            <scope>runtimescope>
        dependency>
        <dependency>
            <groupId>com.alibabagroupId>
            <artifactId>druidartifactId>
            <version>1.1.8version>
        dependency>
        <dependency>
            <groupId>org.projectlombokgroupId>
            <artifactId>lombokartifactId>
            <optional>trueoptional>
        dependency>
        <dependency>
            <groupId>org.springframework.bootgroupId>
            <artifactId>spring-boot-starter-testartifactId>
            <scope>testscope>
            <exclusions>
                <exclusion>
                    <groupId>org.junit.vintagegroupId>
                    <artifactId>junit-vintage-engineartifactId>
                exclusion>
            exclusions>
        dependency>

    dependencies>

    <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.bootgroupId>
                <artifactId>spring-boot-maven-pluginartifactId>
            plugin>

            <plugin>
                <groupId>org.mybatis.generatorgroupId>
                <artifactId>mybatis-generator-maven-pluginartifactId>
                <version>1.4.0version>
                <configuration>
                    
                    <configurationFile>src/main/resources/generatorConfig.xmlconfigurationFile>
                    
                    <overwrite>trueoverwrite>
                    
                    <verbose>trueverbose>
                configuration>
                <dependencies>
                    <dependency>
                        <groupId>mysqlgroupId>
                        <artifactId>mysql-connector-javaartifactId>
                        <version>8.0.19version>
                    dependency>
                dependencies>
            plugin>
        plugins>
    build>

project>

application.yml

server:
  port: 8080
spring:
  datasource:
    type: com.alibaba.druid.pool.DruidDataSource #使用druid数据源，替换C3P0
    url: jdbc:mysql://localhost:3306/blog?useUnicode=true&;characterEncoding=utf-8&;useSSL=true&;serverTimezone=Asia/Shanghai
    username: root
    password: root
    driver-class-name: com.mysql.cj.jdbc.Driver