mybatis逆向工程
通过建立好数据库用mybatis的插件逆向生成bean类和mapper文件,可减少大量体力活,实在是太有用了。
需要加入的插件
<plugin>
<groupId>org.mybatis.generator</groupId>
<artifactId>mybatis-generator-maven-plugin</artifactId>
<version>1.4.1</version>
<configuration>
<configurationFile>GeneratorMapper.xml</configurationFile>
<verbose>true</verbose>
<overwrite>true</overwrite>
</configuration>
</plugin>
需要写一个GeneratorMapper.xml
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE generatorConfiguration PUBLIC "-//mybatis.org//DTD MyBatis Generator Configuration 1.0//EN" "http://mybatis.org/dtd/mybatis-generator-config_1_0.dtd">
<generatorConfiguration>
<classPathEntry location="D:\maven\repository\mysql\mysql-connector-java\5.1.47\mysql-connector-java-5.1.47.jar"/>
<context id="DB2Tables" targetRuntime="MyBatis3">
<commentGenerator>
<!-- 是否去除自动生成的注释 -->
<property name="suppressAllComments" value="true" />
</commentGenerator>
<!-- Mysql数据库连接的信息:驱动类、连接地址、用户名、密码 -->
<jdbcConnection driverClass="com.mysql.jdbc.Driver"
connectionURL="jdbc:mysql://localhost:3306/sora"
userId="root"
password="root" />
<!-- 默认为false,把JDBC DECIMAL 和NUMERIC类型解析为Integer,为true时 把JDBC DECIMAL 和NUMERIC类型解析为java.math.BigDecimal -->
<javaTypeResolver>
<property name="forceBigDecimals" value="false" />
</javaTypeResolver>
<!-- targetProject:生成POJO类的位置 -->
<javaModelGenerator
targetPackage="com.sora.springboot01.bean" targetProject="src/main/java">
<!-- enableSubPackages:是否让schema作为包的后缀 -->
<property name="enableSubPackages" value="false" />
<!-- 从数据库返回的值被清理前后的空格 -->
<property name="trimStrings" value="true" />
</javaModelGenerator>
<!-- targetProject:mapper映射文件生成的位置 -->
<sqlMapGenerator targetPackage="com.sora.springboot01.mapper"
targetProject="src/main/java">
<!-- enableSubPackages:是否让schema作为包的后缀 -->
<property name="enableSubPackages" value="false" />
</sqlMapGenerator>
<!-- targetProject:mapper接口生成的的位置 -->
<javaClientGenerator type="XMLMAPPER"
targetPackage="com.sora.springboot01.mapper" targetProject="src/main/java">
<!-- enableSubPackages:是否让schema作为包的后缀 -->
<property name="enableSubPackages" value="false" />
</javaClientGenerator>
<!-- 指定数据表 -->
<table tableName="sora1" domainObjectName="Sora1"></table>
</context>
</generatorConfiguration>