Mybatis 逆向工程生成DTO

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:

执行结果

转载请注明出处!

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转载自blog.csdn.net/weixin_42614447/article/details/86132627
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