MyBatis3-代码生成工具的使用

        <!-- mysql-connector-java -->
        <!-- http://mvnrepository.com/artifact/mysql/mysql-connector-java -->
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <version>5.1.38</version>
            <scope>system</scope>
            <systemPath>${project.build.outputDirectory}/lib/mysql-connector-java-5.1.38.jar</systemPath>
        </dependency>

        <!-- mybatis generator -->
        <!-- https://mvnrepository.com/artifact/org.mybatis.generator/mybatis-generator-core -->
        <dependency>
            <groupId>org.mybatis.generator</groupId>
            <artifactId>mybatis-generator-core</artifactId>
            <version>1.3.5</version>
        </dependency>

<?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，这里问了方便直接采用相对路径引入JAR包，并且对应POM也设置成项目的目录-->
    <classPathEntry location="target/classes/lib/mysql-connector-java-5.1.38.jar" />

    <context id="jsoft_mysql_tables" targetRuntime="MyBatis3">

        <!--为了防止生成的代码中有很多注释，比较难看，加入下面的配置控制-->
        <commentGenerator>
            <property name="suppressAllComments" value="true" />
            <property name="suppressDate" value="true" />
        </commentGenerator>
        <!--注释控制完毕-->

        <!--数据库连接-->
        <jdbcConnection driverClass="com.mysql.jdbc.Driver" connectionURL="jdbc:mysql://127.0.0.1:3306/Test?serverTimezone=UTC" userId="root" password="root">
        </jdbcConnection>

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

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

        <!--SQL Mapper隐射配置文件-->
        <sqlMapGenerator targetPackage="com.jsoft.testmybatis.mapper" targetProject="src/main/java">
            <property name="enableSubPackages" value="true" />
        </sqlMapGenerator>

        <!--在ibatis2中是dao层，但在mybatis3中，其实就是mapper接口-->
        <javaClientGenerator type="XMLMAPPER" targetPackage="com.jsoft.testmybatis.inter" targetProject="src/main/java">
            <property name="enableSubPackages" value="true" />
        </javaClientGenerator>

        <!--要对那些数据表进行生成操作，必须要有一个-->
        <table schema="mybatis" tableName="category" domainObjectName="Category" enableCountByExample="false" enableUpdateByExample="false" enableDeleteByExample="false" enableSelectByExample="false" selectByExampleQueryId="false">
        </table>

    </context>
</generatorConfiguration>

package com.jsoft.testmybatis.test1;

import java.io.File;
import java.io.IOException;
import java.net.URISyntaxException;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.List;

import org.mybatis.generator.api.MyBatisGenerator;
import org.mybatis.generator.config.Configuration;
import org.mybatis.generator.config.xml.ConfigurationParser;
import org.mybatis.generator.exception.InvalidConfigurationException;
import org.mybatis.generator.exception.XMLParserException;
import org.mybatis.generator.internal.DefaultShellCallback;

public class GenMain {
    public static void main(String[] args) {
        List<String> warnings = new ArrayList<String>();
        boolean overwrite = true;
        String genCfg = "/mbgConfiguration.xml";
        File configFile = null;
        try {
            configFile = new File(GenMain.class.getResource(genCfg).toURI().getPath());
        } catch (URISyntaxException e1) {
            // TODO Auto-generated catch block
            e1.printStackTrace();
        }
        ConfigurationParser cp = new ConfigurationParser(warnings);
        Configuration config = null;
        try {
            config = cp.parseConfiguration(configFile);
        } catch (IOException e) {
            e.printStackTrace();
        } catch (XMLParserException e) {
            e.printStackTrace();
        }
        DefaultShellCallback callback = new DefaultShellCallback(overwrite);
        MyBatisGenerator myBatisGenerator = null;
        try {
            myBatisGenerator = new MyBatisGenerator(config, callback, warnings);
        } catch (InvalidConfigurationException e) {
            e.printStackTrace();
        }
        try {
            myBatisGenerator.generate(null);
        } catch (SQLException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
    }
}