Mybatis 逆向工程
Mybatis逆向工程:
推荐用Java和XML Configuration的方式生成逆向文件
Java类:
package generation;
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 Generation {
public void generation() throws Exception {
List<String> warnings = new ArrayList<String>();
boolean overwrite = true;
File configFile = new File("generatorConfig.xml");
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) {
Generation generation = new Generation();
try {
generation.generation();
} catch (Exception e) {
e.printStackTrace();
}
}
}
XML配置:
<?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 -->
<classPathEntry
location="E:\JavaPack\JAR\MySQL\mysql-connector-java-5.1.28-bin.jar" />
<context id="DB2Tables" targetRuntime="MyBatis3">
<commentGenerator>
<property name="suppressDate" value="true" />
<property name="suppressAllComments" value="true" />
</commentGenerator>
<!--数据库链接地址账号密码 -->
<jdbcConnection driverClass="com.mysql.jdbc.Driver"
connectionURL="jdbc:mysql://172.22.144.214/HaiNan" userId="root"
password="Abcd1234">
</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.edu.hainan.model"
targetProject="src">
<property name="enableSubPackages" value="true" />
<property name="trimStrings" value="true" />
</javaModelGenerator>
<!--生成映射文件存放位置 -->
<sqlMapGenerator targetPackage="cn.edu.hainan.mapper"
targetProject="src">
<property name="enableSubPackages" value="true" />
</sqlMapGenerator>
<!--生成Dao类存放位置 -->
<javaClientGenerator type="XMLMAPPER"
targetPackage="cn.edu.hainan.mapper" targetProject="src">
<property name="enableSubPackages" value="true" />
</javaClientGenerator>
<!--生成对应表及类名 -->
<table tableName="company" domainObjectName="Company"
enableCountByExample="false" enableUpdateByExample="false"
enableDeleteByExample="false" enableSelectByExample="false"
selectByExampleQueryId="false">
<property name="useActualColumnNames" value="true" />
</table>
</context>
</generatorConfiguration>
注意:在表中如果<table>标签中没有配置<property name="useActualColumnNames" value="true" />,生成的类的属性不符合驼峰命名的规则