mybaits****实现的小例子

第一步：

添加依赖：

<dependency>
  <groupId>org.mybatis.generator</groupId>
  <artifactId>mybatis-generator-core</artifactId>
  <version>1.3.2</version>
</dependency>
<dependency>
  <groupId>org.mybatis.generator</groupId>
  <artifactId>mybatis-generator-maven-plugin</artifactId>
  <version>1.3.7</version>
</dependency>

 

<plugin>
  <groupId>org.mybatis.generator</groupId>
  <artifactId>mybatis-generator-maven-plugin</artifactId>
  <version>1.3.5</version>
  <configuration>
    <verbose>true</verbose>
    <overwrite>true</overwrite>
  </configuration>
</plugin>

<resources>
  <resource>
    <directory>src/main/java</directory>
    <includes>
      <include>**/*.xml</include>
    </includes>
  </resource>
</resources>

 

第二步：创建并配置generator.xml文件

<?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>
    <!-- 配置mysql 驱动jar包路径.用了绝对路径 -->
    <classPathEntry
            location="D:\maven-repository\mysql\mysql-connector-java\5.1.38\mysql-connector-java-5.1.38.jar" />

    <context id="scm_mysql_tables" targetRuntime="Mybatis3Simple">
        <!-- 防止生成的代码中有很多注释，加入下面的配置控制 -->
        <commentGenerator>
            <property name="suppressAllComments" value="true" />
            <property name="suppressDate" value="true" />
        </commentGenerator>

        <!-- 数据库连接 -->
        <jdbcConnection driverClass="com.mysql.jdbc.Driver"
                        connectionURL="jdbc:mysql:///mybatiesTest?allowMultiQueries=true&amp;useUnicode=true&amp;characterEncoding=UTF-8"
                        userId="root"
                        password="root">
        </jdbcConnection>

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

        <!-- 数据表对应的model层  -->
        <javaModelGenerator targetPackage="com.usoft.entity"
                            targetProject=".\src\main\java">
            <property name="enableSubPackages" value="true" />
            <property name="trimStrings" value="true" />
        </javaModelGenerator>

        <!-- sql mapper 映射配置文件 -->
        <sqlMapGenerator targetPackage="mapper"
                         targetProject=".\src\main\resources">
            <property name="enableSubPackages" value="true" />
        </sqlMapGenerator>

        <!-- mybatis3中的mapper接口 -->
        <javaClientGenerator type="XMLMAPPER"
                             targetPackage="com.usoft.dao"
                             targetProject=".\src\main\java">
            <property name="enableSubPackages" value="true" />
        </javaClientGenerator>

        <!-- 数据表进行生成操作 schema:相当于库名; tableName:表名;
            domainObjectName:对应的DO
        -->
        <table schema="ssh" tableName="employee" domainObjectName="Employee"></table>
        <table schema="ssh" tableName="department" domainObjectName="Department" ></table>
    </context>
</generatorConfiguration>

第三步：在Terminal执行命令mvn mybatis-generator:generate -e

 

最后，我项目工程的目录结构：