Mybatis逆向工程生成代码,详细配置解析,实现dto的生成.
依赖包:可自适配
mybatis-3.2.7.jar
mybatis-generator-core-1.3.2.jar
mysql-connector-java-5.1.25-bin.jar
ojdbc14.jar
MybatisGenerator.java (逆向工程自动生成主类)
import java.io.File;
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.internal.DefaultShellCallback;
public class MybatisGenerator {
// 逆向工程自动生成
// 项目根路径不要有中文,我的有中文,所以使用绝对路径(.src下)
public void generator() throws Exception {
List<String> warnings = new ArrayList<String>();
boolean overwrite = true;
File configFile = new File("./src/generatorConfig.xml"); // Oracle/MySQL
ConfigurationParser cp = new ConfigurationParser(warnings);
Configuration config = cp.parseConfiguration(configFile);
DefaultShellCallback callback = new DefaultShellCallback(overwrite);
MyBatisGenerator myBatisGenerator = new MyBatisGenerator(config, callback, warnings);
myBatisGenerator.generate(null);
}
public static void main(String[] args) throws Exception {
try {
System.out.println("-----------执行开始----------");
MybatisGeneratorTest startServer = new MybatisGeneratorTest();
startServer.generator();
System.out.println("-----------执行结束----------");
} catch (Exception e) {
e.printStackTrace();
System.out.println("-----------执行异常----------");
}
}
}
generatorConfig.xml (数据信息配置文件)
<?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>
<!--数据库驱动,最好不要有中文字符,不然会找不到,暂时用不到 -->
<!-- <classPathEntry location="ojdbc14.jar" /> -->
<!-- <classPathEntry location="mysql-connector-java-5.1.25-bin.jar" /> -->
<context id="DB2Tables" targetRuntime="MyBatis3">
<property name="javaFileEncoding" value="UTF-8"/>
<commentGenerator>
<property name="suppressDate" value="true" />
<!-- 是否去除自动生成的注释 true:是 : false:否 -->
<property name="suppressAllComments" value="true" />
</commentGenerator>
<!--数据库连接的信息:驱动类、连接地址、用户名、密码 -->
<!-- <jdbcConnection driverClass="oracle.jdbc.driver.OracleDriver"
connectionURL="jdbc:oracle:thin:@127.0.0.1:1521:test" userId="user"
password="admin">
</jdbcConnection> -->
<!-- <jdbcConnection driverClass="com.mysql.jdbc.Driver"
connectionURL="jdbc:mysql://127.0.0.1:3306/oa" userId="root"
password="root">
</jdbcConnection> -->
<!-- 默认false,把JDBC DECIMAL 和 NUMERIC 类型解析为 Integer,为 true时把JDBC DECIMAL
和 NUMERIC 类型解析为java.math.BigDecimal -->
<javaTypeResolver>
<property name="forceBigDecimals" value="false" />
</javaTypeResolver>
<!--生成Model类存放位置 -->
<javaModelGenerator targetPackage="cn.mis.dto.entity"
targetProject=".\src">
<!-- enableSubPackages:是否让schema作为包的后缀 -->
<property name="enableSubPackages" value="true" />
<!-- 从数据库返回的值被清理前后的空格 -->
<property name="trimStrings" value="true" />
</javaModelGenerator>
<!--生成映射文件存放位置 -->
<sqlMapGenerator targetPackage="cn.mis.dto.maps"
targetProject=".\src">
<!-- enableSubPackages:是否让schema作为包的后缀 -->
<property name="enableSubPackages" value="true" />
</sqlMapGenerator>
<!--生成DaoMapper类存放位置 -->
<javaClientGenerator type="XMLMAPPER"
targetPackage="cn.mis.dto.mapper" targetProject=".\src">
<!-- enableSubPackages:是否让schema作为包的后缀 -->
<property name="enableSubPackages" value="true" />
</javaClientGenerator>
<!--生成对应表及类名,需要记住的一点是逆向工程无法生成关联关系,只能生成单表操作 -->
<table tableName="TB_USER" domainObjectName="TbUser"></table>
<!-- <table tableName="TB_USER" domainObjectName="TbUser"
enableCountByExample="false" enableUpdateByExample="false"
enableDeleteByExample="false" enableSelectByExample="false"
selectByExampleQueryId="false"></table> -->
</context>
</generatorConfiguration>
执行结果:
转载请注明出处!