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
时间: 2024-07-29 20:41:11