使用generator通过数据库生成对应的ma...

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mybatis官网上下载generator需要jar包

数据库的驱动以及配置generatorConfig.xml都准备好就可以了,操作非常简单

目录如下:

generatorConfig.xml配置


<?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="/soft/java/workspace/permission/generator/mysql-connector-java-5.1.34.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.jdbc.Driver" connectionURL="jdbc:mysql://127.0.0.1:3306/authorization?characterEncoding=utf8" userId="root" password="*****"> <!-- 2 -->

</jdbcConnection>

                <javaTypeResolver>

       <!-- 生成模型的包名和位置 --> <!-- 3 -->

<javaModelGenerator targetPackage="cn.qblank.model" targetProject="/soft/java/workspace/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="cn.qblank.mapper" targetProject="/soft/java/workspace/permission/generator/src">

<property name="enableSubPackages" value="true" />

</sqlMapGenerator>

                <!-- 生成DAO的包名和位置 --> <!-- 5 -->

 <javaClientGenerator type="XMLMAPPER" targetPackage="cn.qblank.dao" targetProject="/soft/java/workspace/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" />

 <javaClientGenerator type="XMLMAPPER" targetPackage="cn.qblank.dao" targetProject="/soft/java/workspace/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>

修改配置,用户名,密码,数据库名和表名

打开终端输入命令:

java -jar mybatis-generator-core-1.3.2.jar -configfile generator.xml -overwrite

就能生成对应所以文件了



这样逆向工程大大减少了开发时间和提高了开发效率,简单直接

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