Mybatis自動生成代碼插件generator

1.pom maven依賴

<dependencies><dependency><groupId>org.mybatis.spring.boot</groupId><artifactId>mybatis-spring-boot-starter</artifactId><version>2.1.2</version></dependency><dependency><groupId>mysql</groupId><artifactId>mysql-connector-java</artifactId><scope>runtime</scope></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><build><plugins><plugin><groupId>org.springframework.boot</groupId><artifactId>spring-boot-maven-plugin</artifactId></plugin><plugin><!-- 使用Mapper專用的MyBatis Generator插件,對應配置文件在generatorConfig.xml,生成文件目錄見本pom里面的屬性配置。執行mvn mybatis-generator:generate 來進行相關生成 --><groupId>org.mybatis.generator</groupId><artifactId>mybatis-generator-maven-plugin</artifactId><version>1.3.2</version><configuration><configurationFile>${basedir}/src/main/resources/generator/generatorConfig.xml</configurationFile><overwrite>true</overwrite><verbose>true</verbose></configuration><dependencies><dependency><groupId>mysql</groupId><artifactId>mysql-connector-java</artifactId><version>8.0.11</version></dependency></dependencies></plugin></plugins></build>

2.數據庫連接配置generator.properties

#Database jdbc.driverClassName=com.mysql.cj.jdbc.Driverjdbc.url=jdbc:mysql://localhost:3306/cool?userSSL=true&useUnicode=true&characterEncoding=UTF8&serverTimezone=GMT jdbc.username=root jdbc.password=123456

3.執行文件generatorConfig.xml

<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE generatorConfigurationPUBLIC "-//mybatis.org//DTD MyBatis Generator Configuration 1.0//EN""http://mybatis.org/dtd/mybatis-generator-config_1_0.dtd"> <generatorConfiguration><properties resource="generator/generator.properties"/><context id="mysqlTables" targetRuntime="MyBatis3Simple"><!--去除注釋 --><commentGenerator><property name="suppressAllComments" value="true" /></commentGenerator><jdbcConnection driverClass="${jdbc.driverClassName}" connectionURL="${jdbc.url}" userId="${jdbc.username}" password="${jdbc.password}"><!--只生成用戶創建的表--><property name="nullCatalogMeansCurrent" value="true"/></jdbcConnection><!--指定生成的類型為java類型，避免數據庫中number等類型字段 --><javaTypeResolver><property name="forceBigDecimals" value="false"/></javaTypeResolver><!--自動生成的實體的存放包路徑 --><javaModelGenerator targetPackage="com.ssm.study.pojo" targetProject="src/main/java"><property name="enableSubPackages" value="true"/><property name="trimStrings" value="true"/></javaModelGenerator><!--自動生成的*Mapper.xml文件存放路徑 --><sqlMapGenerator targetPackage="mapper" targetProject="src/main/resources/mappering"><property name="enableSubPackages" value="true"/></sqlMapGenerator><!--自動生成的*Mapper.java存放路徑 --><javaClientGenerator type="XMLMAPPER" targetPackage="com.ssm.study.dao" targetProject="src/main/java"><property name="enableSubPackages" value="true"/></javaClientGenerator><!--指定具體生成哪些表--><!--<table tableName="tbl_log"><generatedKey column="ID" sqlStatement="selectuuid_short()"identity="false"/></table>--><!-- <table tableName="user_t" domainObjectName="User"><generatedKey column="ID" sqlStatement="selectuuid_short()"identity="false"/></table>--><table tableName="%" ><generatedKey column="id" sqlStatement="Mysql" identity="true"/></table></context></generatorConfiguration>

4.使用maven命令執行

創建maven執行。

mybatis-generator:generate -e

總結

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