mybatis-generator插件的使用及相关配置

mybatis-generator主要用于逆向工程，根据数据库来生成实体类以及mapper映射文件

1.第一步先添加依赖

<dependency>

      <groupId>mysql</groupId>

      <artifactId>mysql-connector-java</artifactId>

      <version>5.1.6</version>

    </dependency>

    <dependency>

      <groupId>org.mybatis.generator</groupId>

      <artifactId>mybatis-generator-core</artifactId>

      <version>1.3.2</version>

    </dependency>

2.在build标签中对插件进行配置

<plugin>

          <groupId>org.mybatis.generator</groupId>

          <artifactId>mybatis-generator-maven-plugin</artifactId>

          <version>1.3.2</version>

          <configuration>

            <configurationFile>src/main/resources/generatorConfig.xml</configurationFile>

            <verbose>true</verbose>

            <overwrite>true</overwrite>

          </configuration>

          <dependencies>

            <dependency>

              <groupId>mysql</groupId>

              <artifactId>mysql-connector-java</artifactId>

              <version>5.1.46</version>

            </dependency>

          </dependencies>

        </plugin>

3.在pom文件指定的配置文件路径下添加插件的配置文件

generatorConfig.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>

    <context id="default" targetRuntime="Mybatis3">

        <commentGenerator>

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

        </commentGenerator>

        <jdbcConnection driverClass="com.mysql.jdbc.Driver" connectionURL="jdbc:mysql://localhost:3306/estore_db" userId="root" password="123456"/>

        <javaTypeResolver >

            <property name="forceBigDecimals" value="false"/>

        </javaTypeResolver>

        <javaModelGenerator targetPackage="cn.estore.pojo" targetProject=".\src\main\java">

            <property name="enableSubPackage" value="false"/>

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

        </javaModelGenerator>

        <sqlMapGenerator targetPackage="cn.estore.mapper" targetProject="./src/main/java">

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

        </sqlMapGenerator>

        <javaClientGenerator type="XMLMAPPER" targetPackage="cn.estore.mapper" targetProject=".\src\main\java">

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

        </javaClientGenerator>

        <table tableName="tb_link"/>

        <table tableName="tb_board"/>

        <table tableName="tb_payment_mode"/>

        <table tableName="tb_user"/>

        <table tableName="tb_category_main"/>

        <table tableName="tb_category_branch"/>

        <table tableName="tb_bill"/>

        <table tableName="tb_product"/>

        <table tableName="tb_bill_item"/>

        <table tableName="tb_user_cart"/>

    </context>

</generatorConfiguration>

4.运行插件，即可在项目中生成实体类以及数据库映射文件

5.mapper映射文件在运行时可能会没有被编译，需要在build标签中添加resources配置

 <resources>

            <resource>

                <directory>src/main/java</directory><!--java文件的路径-->

                <includes>

                    <include>**/*.*</include>

                </includes>

                <!-- <filtering>false</filtering>-->

            </resource>

            <resource>

                <directory>src/main/resources</directory><!--资源文件的路径-->

                <includes>

                    <include>**/*.*</include>

                </includes>

                <!-- <filtering>false</filtering>-->

            </resource>

        </resources>

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mybatis-generator插件的使用及相关配置

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