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Mybatis三剑客

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Mybatis三剑客分别是：Mybatis Generator，Mybatis Pager，Mybatis Plugin，

Mybatis Generator

通过逆向工程生成对应数据库表中的mapper、dao、model类。

generator,xml(视情况而定)
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<?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>
	<!-- 数据库驱动包位置 -->
	<classPathEntry location="C:/DevelopTools/springboot/permission/generator/mysql-connector-java-8.0.11.jar" /> <!-- 1 -->
	<context id="DB2Tables" targetRuntime="MyBatis3">
		<commentGenerator>
			<property name="suppressAllComments" value="true" />
		</commentGenerator>
		<!-- 数据库链接URL、用户名、密码 -->
		<jdbcConnection driverClass="com.mysql.cj.jdbc.Driver" connectionURL="jdbc:mysql://localhost:3306/rbac?useSSL=false&amp;serverTimezone=UTC" userId="root" password="root">  <!-- 2 -->
		</jdbcConnection>
<!--		java -jar mybatis-generator-core-1.3.2.jar -configfile generator.xml -overwrite-->
		<javaTypeResolver>
			<property name="forceBigDecimals" value="false" />
		</javaTypeResolver>
		<!-- 生成模型的包名和位置 --> <!-- 3 -->
		<javaModelGenerator targetPackage="net.zzqd.model" targetProject="C:/DevelopTools/springboot/permission/generator/src">
			<property name="enableSubPackages" value="true" />
			<property name="trimStrings" value="true" />
		</javaModelGenerator>
		<!-- 生成的映射文件包名和位置 --> <!-- 4 -->
		<sqlMapGenerator targetPackage="net.zzqd.mapper" targetProject="C:/DevelopTools/springboot/permission/generator/src">
			<property name="enableSubPackages" value="true" />
		</sqlMapGenerator>
		<!-- 生成DAO的包名和位置 --> <!-- 5 -->
		<javaClientGenerator type="XMLMAPPER" targetPackage="net.zzqd.dao" targetProject="C:/DevelopTools/springboot/permission/generator/src">
			<property name="enableSubPackages" value="true" />
		</javaClientGenerator>
		<!-- 要生成那些表(更改tableName和domainObjectName就可以) --><!-- 6 -->
		<table tableName="sys_user" domainObjectName="SysUser" enableCountByExample="false" enableUpdateByExample="false" enableDeleteByExample="false" enableSelectByExample="false" selectByExampleQueryId="false" />
		<table tableName="sys_dept" domainObjectName="SysDept" enableCountByExample="false" enableUpdateByExample="false" enableDeleteByExample="false" enableSelectByExample="false" selectByExampleQueryId="false" />
		<table tableName="sys_acl" domainObjectName="SysAcl" enableCountByExample="false" enableUpdateByExample="false" enableDeleteByExample="false" enableSelectByExample="false" selectByExampleQueryId="false" />
		<table tableName="sys_acl_module" domainObjectName="SysAclModule" enableCountByExample="false" enableUpdateByExample="false" enableDeleteByExample="false" enableSelectByExample="false" selectByExampleQueryId="false" />
		<table tableName="sys_role" domainObjectName="SysRole" enableCountByExample="false" enableUpdateByExample="false" enableDeleteByExample="false" enableSelectByExample="false" selectByExampleQueryId="false" />
		<table tableName="sys_role_acl" domainObjectName="SysRoleAcl" enableCountByExample="false" enableUpdateByExample="false" enableDeleteByExample="false" enableSelectByExample="false" selectByExampleQueryId="false" />
		<table tableName="sys_role_user" domainObjectName="SysRoleUser" enableCountByExample="false" enableUpdateByExample="false" enableDeleteByExample="false" enableSelectByExample="false" selectByExampleQueryId="false" />
		<table tableName="sys_log" domainObjectName="SysLog" enableCountByExample="false" enableUpdateByExample="false" enableDeleteByExample="false" enableSelectByExample="false" selectByExampleQueryId="false" />
	</context>
</generatorConfiguration>
所需jar包
  1. mybatis-generator-core-1.3.2.jar
  2. mysql-connector-java-8.0.11.jar
执行语句

在IDEA中的Terminal命令窗口下，进入generator目录下，执行

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java -jar mybatis-generator-core-1.3.2.jar -configfile generator.xml -overwrite
项目结构图

Mybatis Pager

分页插件使用

Mybatis Plugin

IDEA—>Settings—>Plugins—>Mybatis plugin