mybatis逆向工程生成CURD

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前言

逆向工程的简单步骤，目前只是会用，不知道是否需要深究一下

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一、逆向工程的作用？

自动根据数据库表生成实体类、dao接口、接口映射文件

二、使用步骤

1.导入依赖

pom.xml ：

      <dependencies>
    <!--mybatis逆向工程核心包-->
    <dependency>
        <groupId>org.mybatis.generator</groupId>
        <artifactId>mybatis-generator-core</artifactId>
        <version>1.3.7</version>
    </dependency>
    <!--mysql驱动-->
    <dependency>
        <groupId>mysql</groupId>
        <artifactId>mysql-connector-java</artifactId>
        <version>5.1.6</version>
    </dependency>
    <!--mybatis核心包-->
    <dependency>
        <groupId>org.mybatis</groupId>
        <artifactId>mybatis</artifactId>
        <version>3.4.5</version>
    </dependency>

</dependencies>

    <build>
         <plugins>
            <plugin>
                <groupId>org.mybatis.generator</groupId>
                <artifactId>mybatis-generator-maven-plugin</artifactId>
                <version>1.3.2</version>
                <!--核心配置文件的路径-->
                <configuration>
                      <configurationFile>
                          src/main/resources/mybatis-generator-config.xml
                      </configurationFile>
                    <verbose>true</verbose>
                    <overwrite>true</overwrite>
                </configuration>
            </plugin>
         </plugins>
    </build>

2.配置jdbc.properties

代码如下（示例）：

jdbc.driver=com.mysql.jdbc.Driver
jdbc.url=jdbc:mysql://localhost:3306/saas-export
jdbc.username=root
jdbc.password=root

3.核心配置文件

<generatorConfiguration>
    
    <properties resource="jdbc.properties">properties>
    
    <classPathEntry location="D:\maven\repository\mysql\mysql-connector-java\5.1.30\mysql-connector-java-5.1.30.jar"/>

    <context id="context" targetRuntime="MyBatis3">
        
        <plugin type="org.mybatis.generator.plugins.SerializablePlugin" />
        

        <plugin type="org.mybatis.generator.plugins.ToStringPlugin" />
        
        <commentGenerator>
            <property name="suppressAllComments" value="true"/>
            <property name="suppressDate" value="true"/>
        commentGenerator>

        
        <jdbcConnection driverClass="${jdbc.driver}"
                        connectionURL="${jdbc.url}"
                        userId="${jdbc.username}"
                        password="${jdbc.password}"/>
        
        <javaTypeResolver>
            <property name="forceBigDecimals" value="false"/>
        javaTypeResolver>

        
        <javaModelGenerator targetPackage="cn.itcast.domain.cargo"
                            targetProject="D:\project\mybatis-generate\src\main\java">
            
            <property name="enableSubPackages" value="false"/>
            
            <property name="trimStrings" value="true"/>
        javaModelGenerator>

        
        <sqlMapGenerator targetPackage="cn.itcast.dao.cargo"
                         targetProject="D:\project\mybatis-generate\src\main\resources">
            
            <property name="enableSubPackages" value="false"/>
        sqlMapGenerator>

        
        <javaClientGenerator targetPackage="cn.itcast.dao.cargo"
                             targetProject="D:\project\mybatis-generate\src\main\java" type="XMLMAPPER">
            
            <property name="enableSubPackages" value="false"/>
        javaClientGenerator>


        
        <table schema="saas-export" tableName="co_shipping_order" domainObjectName="Shipping" mapperName="ShippingDao"
               enableCountByExample="false" enableDeleteByExample="false"
               enableSelectByExample="true" enableUpdateByExample="false"/>

    context>
generatorConfiguration>

测试类并运行

/**
 *  mybatis 逆向工程生成curd
 */
public class GeneratorSqlMapTest {
     

    public void generator() throws Exception{
     

        List<String> warnings = new ArrayList<>();
        boolean overwrite = true;
        //指定 逆向工程配置文件
        InputStream in = GeneratorSqlMapTest.class.getClassLoader().getResourceAsStream("mybatis-generator-config.xml");
        ConfigurationParser cp = new ConfigurationParser(warnings);
        Configuration config = cp.parseConfiguration(in);
        DefaultShellCallback callback = new DefaultShellCallback(overwrite);
        MyBatisGenerator myBatisGenerator = new MyBatisGenerator(config,
                callback, warnings);
        myBatisGenerator.generate(null);
        in.close();

    }
    public static void main(String[] args) throws Exception {
     
        try {
     
            GeneratorSqlMapTest generatorSqlmap = new GeneratorSqlMapTest();
            generatorSqlmap.generator();
        } catch (Exception e) {
     
            e.printStackTrace();
        }

    }

}

idea 快捷键 ： Ctrl+F12 显示类的结构，手动实现序列化

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总结

存在的问题，生成的类并未自动序列化，需要手动写入
，怎么生成自定义注释！！