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  • 通过mybatis-generator-core-1.3.2.jar逆向工程生成

    最近发现mybatis中也有一个很厉害功能。可以将数据库中的表自动生成entity层、dao层和Mapper.xml

    需要如下的东西:

    1.需要已经定义好的数据库内各个表。

    2.mybatis-generator-core-1.3.2.jar

    3.已经定义好的generator.xml文件(需要修改的地方已经有了备注)

    <?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="D:softwarelibmysql-connector-java-5.1.21.jar" /> -->
        <classPathEntry location="D:workspaceexample-mybatis	argetexample-mybatisWEB-INFlibmysql-connector-java-5.1.38.jar" />
        <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://localhost:3306/sy" userId="用户名" password="密码"> 
            <!--<jdbcConnection driverClass="oracle.jdbc.driver.OracleDriver" connectionURL="jdbc:oracle:thin:@localhost:1521:orcl" userId="msa" password="msa">-->
            </jdbcConnection>
            <javaTypeResolver>
                <property name="forceBigDecimals" value="false" />
            </javaTypeResolver>
            <!-- 生成模型的包名和位置 -->
            <javaModelGenerator targetPackage="sy.model" targetProject="D:java学习视频SpringMvc+Spring+MyBatis+Maven整合视频generatorsrc">
                <property name="enableSubPackages" value="true" />
                <property name="trimStrings" value="true" />
            </javaModelGenerator>
            <!-- 生成的映射文件包名和位置 -->
            <sqlMapGenerator targetPackage="sy.mapping" targetProject="D:java学习视频SpringMvc+Spring+MyBatis+Maven整合视频generatorsrc">
                <property name="enableSubPackages" value="true" />
            </sqlMapGenerator>
            <!-- 生成DAO的包名和位置 -->
            <javaClientGenerator type="XMLMAPPER" targetPackage="sy.dao" targetProject="D:java学习视频SpringMvc+Spring+MyBatis+Maven整合视频generatorsrc">
                <property name="enableSubPackages" value="true" />
            </javaClientGenerator>
            <!-- 要生成那些表(更改tableName和domainObjectName就可以) -->
            <table tableName="tbug" domainObjectName="Bug" enableCountByExample="false" enableUpdateByExample="false" enableDeleteByExample="false" enableSelectByExample="false" selectByExampleQueryId="false" />
            <table tableName="tmenu" domainObjectName="Menu" enableCountByExample="false" enableUpdateByExample="false" enableDeleteByExample="false" enableSelectByExample="false" selectByExampleQueryId="false" />
            <table tableName="tonline" domainObjectName="Online" enableCountByExample="false" enableUpdateByExample="false" enableDeleteByExample="false" enableSelectByExample="false" selectByExampleQueryId="false" />
            <table tableName="tresource" domainObjectName="Resource" enableCountByExample="false" enableUpdateByExample="false" enableDeleteByExample="false" enableSelectByExample="false" selectByExampleQueryId="false" />
            <table tableName="trole" domainObjectName="Role" enableCountByExample="false" enableUpdateByExample="false" enableDeleteByExample="false" enableSelectByExample="false" selectByExampleQueryId="false" />
            <table tableName="trole_tresource" domainObjectName="RoleResource" enableCountByExample="false" enableUpdateByExample="false" enableDeleteByExample="false" enableSelectByExample="false" selectByExampleQueryId="false" />
            <table tableName="tuser" domainObjectName="User" enableCountByExample="false" enableUpdateByExample="false" enableDeleteByExample="false" enableSelectByExample="false" selectByExampleQueryId="false" />
            <table tableName="tuser_trole" domainObjectName="UserRole" enableCountByExample="false" enableUpdateByExample="false" enableDeleteByExample="false" enableSelectByExample="false" selectByExampleQueryId="false" />
        </context>
    </generatorConfiguration>
    generator.xml

    4.运行生成语句:java -jar mybatis-generator-core-1.3.2.jar -configfile generator.xml -overwrite

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  • 原文地址:https://www.cnblogs.com/kongkongFabian/p/7222570.html
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