如图所示:
java
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"> <modelVersion>4.0.0</modelVersion> <groupId>com.test</groupId> <artifactId>nxProject</artifactId> <version>0.0.1-SNAPSHOT</version> <dependencies> <dependency> <groupId>log4j</groupId> <artifactId>log4j</artifactId> <version>1.2.17</version> </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> <!--mysql-connector-java --> <!-- https://mvnrepository.com/artifact/mysql/mysql-connector-java --> <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> <version>5.1.38</version> </dependency> <!--mybatis --> <dependency> <groupId>org.mybatis</groupId> <artifactId>mybatis</artifactId> <version>3.2.1</version> </dependency> <!-- https://mvnrepository.com/artifact/org.slf4j/slf4j-log4j12 --> <dependency> <groupId>org.slf4j</groupId> <artifactId>slf4j-log4j12</artifactId> <version>1.8.0-beta4</version> <scope>test</scope> </dependency> <!-- https://mvnrepository.com/artifact/org.projectlombok/lombok --> <dependency> <groupId>org.projectlombok</groupId> <artifactId>lombok</artifactId> <version>1.18.6</version> <scope>provided</scope> </dependency> </dependencies> </project>
<?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> <context id="DB2Tables" targetRuntime="MyBatis3"> <commentGenerator> <!-- 是否去除自动生成的注释 --> <property name="suppressAllComments" value="true"/> </commentGenerator> <!-- Mysql数据库链接的信息:驱动类、链接地址、用户名、密码 --> <jdbcConnection driverClass="com.mysql.jdbc.Driver" connectionURL="jdbc:mysql://***:***/***" userId="***" password="***"> </jdbcConnection> <!-- Oracle数据库 <jdbcConnection driverClass="oracle.jdbc.OracleDriver" connectionURL="jdbc:oracle:thin:@***:***:***" userId="***" password="***"> </jdbcConnection> --> <!-- 默认为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> <!-- targetProject:生成POJO类的位置,会生成POJO类和*example类。 --> <javaModelGenerator targetPackage="com.entity" targetProject=".\src\main\java"> <!-- enableSubPackages:是否让schema做为包的后缀 --> <property name="enableSubPackages" value="false" /> <!-- 从数据库返回的值被清理先后的空格 --> <property name="trimStrings" value="true" /> </javaModelGenerator> <!-- targetProject:mapper映射文件xml生成的位置 --> <sqlMapGenerator targetPackage="mapper" targetProject=".\src\main\resources"> <!-- enableSubPackages:是否让schema做为包的后缀 --> <property name="enableSubPackages" value="false" /> </sqlMapGenerator> <!-- targetProject:mapper接口生成的的位置 --> <javaClientGenerator type="XMLMAPPER" targetPackage="com.mapper" targetProject=".\src\main\java"> <!-- enableSubPackages:是否让schema做为包的后缀 --> <property name="enableSubPackages" value="false" /> </javaClientGenerator> <!-- 指定数据表 --> <table schema="" tableName="testTable1"></table> <table schema="" tableName="testTable2"></table> <table schema="" tableName="testTable3"></table> <!-- 有些表的字段须要指定java类型 <table schema="DB2ADMIN" tableName="ALLTYPES" domainObjectName="Customer" > <property name="useActualColumnNames" value="true"/> <generatedKey column="ID" sqlStatement="DB2" identity="true" /> <columnOverride column="DATE_FIELD" property="startDate" /> <ignoreColumn column="FRED" /> <columnOverride column="LONG_VARCHAR_FIELD" jdbcType="VARCHAR" /> </table> --> </context> </generatorConfiguration>
package com; 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 Gen { public void generator() throws Exception{ List<String> warnings = new ArrayList<String>(); boolean overwrite = true; //指定 逆向工程配置文件 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) throws Exception { try { Gen generatorSqlmap = new Gen(); generatorSqlmap.generator(); } catch (Exception e) { e.printStackTrace(); } } }
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数据库