maven pom.xml:

　　　　　　<dependencies>

         <dependency>
        <groupId>org.mybatis.generator</groupId>
        <artifactId>mybatis-generator-maven-plugin</artifactId>
        <version>1.3.2</version>
    </dependency>
    </dependencies>
<build>
<plugins>
    <plugin>
                <groupId>org.mybatis.generator</groupId>
                <artifactId>mybatis-generator-maven-plugin</artifactId>
                <version>1.3.2</version>
                <configuration>
                    <verbose>false</verbose>
                    <overwrite>false</overwrite>
                </configuration>
            </plugin>
    </plugins>

</build>
   

建立 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>  
            <classPathEntry  
                location="E:\myeclipse\test_aop\src\main\resources\mysql-connector-java-5.1.38.jar" />  
            <context id="sqlserverTables" targetRuntime="MyBatis3">  
                <!-- 生成的pojo，將implements Serializable -->  
                <plugin type="org.mybatis.generator.plugins.SerializablePlugin"></plugin>  
                <commentGenerator>  
                    <!-- 是否去除自動生成的註釋 true：是 ： false:否 -->  
                    <property name="suppressAllComments" value="true" />  
                </commentGenerator>  
      
                <!-- 資料庫連結URL、使用者名稱、密碼 -->  
                <jdbcConnection driverClass="com.mysql.jdbc.Driver"  
                    connectionURL="jdbc:mysql://localhost:3306/test?characterEncoding=utf8" userId="root" password="root">  
                </jdbcConnection>  
      
                <!-- 預設false，把JDBC DECIMAL 和 NUMERIC 型別解析為 Integer true，把JDBC DECIMAL   
                    和 NUMERIC 型別解析為java.math.BigDecimal -->  
               
      
                <!-- 生成model模型，對應的包路徑，以及檔案存放路徑(targetProject)，targetProject可以指定具體的路徑,如./src/main/java，   
                    也可以使用“MAVEN”來自動生成，這樣生成的程式碼會在target/generatord-source目錄下 -->  
                <!--<javaModelGenerator targetPackage="com.joey.mybaties.test.pojo" targetProject="MAVEN"> -->  
                <javaModelGenerator targetPackage="com.csdn.ingo.entity"  
                    targetProject="./src/main/java">  
                    <property name="test_aop" value="true" />  
                    <!-- 從資料庫返回的值被清理前後的空格 -->  
                    <property name="trimStrings" value="true" />  
                </javaModelGenerator>  
      
                <!--對應的mapper.xml檔案 -->  
                <sqlMapGenerator targetPackage="mappers"  
                    targetProject="./src/main/java">  
                    <property name="test_aop" value="true" />  
                </sqlMapGenerator>  
      
                <!-- 對應的Mapper介面類檔案 -->  
                <javaClientGenerator type="XMLMAPPER"  
                    targetPackage="com.csdn.ingo.dao" targetProject="./src/main/java">  
                    <property name="test_aop" value="true" />  
                </javaClientGenerator>  
      
      
                <!-- 列出要生成程式碼的所有表，這裡配置的是不生成Example檔案 -->  
                <table tableName="gt_hotel"   
                    enableCountByExample="false" enableUpdateByExample="false"  
                    enableDeleteByExample="false" enableSelectByExample="false"  
                    selectByExampleQueryId="false">  
                    <property name="useActualColumnNames" value="false" />  
                </table>  
            </context>  
        </generatorConfiguration>      

右鍵專案->run as ->configurations...

成功：

案例：