根据数据中的表生成实体和mapper接口及映射文件
1.创建一个Java工程，工程结构为
2.需要的jar包
链接：http://pan.baidu.com/s/1gd2jNDh 密码：pyux
3.GeneratorSqlmap
public class GeneratorSqlmap {
public void generator() 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) throws Exception {
try {
GeneratorSqlmap generatorSqlmap = new GeneratorSqlmap();
generatorSqlmap.generator();
} catch (Exception e) {
e.printStackTrace();
}
}
}
4.log4j.properties
log4j.rootLogger=DEBUG, Console
#Console
log4j.appender.Console=org.apache.log4j.ConsoleAppender
log4j.appender.Console.layout =org.apache.log4j.PatternLayout
log4j.appender.Console.layout.ConversionPattern =%d [%t] %-5p [%c] - %m%n
log4j.logger.java.sql.ResultSet =INFO
log4j.logger.org.apache=INFO
log4j.logger.java.sql.Connection =DEBUG
log4j.logger.java.sql.Statement =DEBUG
log4j.logger.java.sql.PreparedStatement =DEBUG
5.generatorConfig.xml
<?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 ="testTables" targetRuntime="MyBatis3">
<commentGenerator >
<!-- 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="com.mysql.jdbc.Driver"
connectionURL=
"jdbc:mysql:// localhost:3306/mybatis " userId="root"
password=" mysql">
</jdbcConnection>
-->
<!--
-->
<jdbcConnection driverClass="oracle.jdbc.OracleDriver"
connectionURL= "jdbc:oracle:thin:@192.168.56.101:1521:orcl"
userId= "hfzj"
password= "hfzj">
</jdbcConnection>
<!-- 默认false，把JDBC DECIMAL 和 NUMERIC 类型解析为
Integer true，
把JDBC DECIMAL 和 NUMERIC 类型解析为java.math.BigDecimal -->
<javaTypeResolver >
<property name ="forceBigDecimals" value= "false" />
</javaTypeResolver>
<!-- targetProject:生成PO类的位置
pc.hfzj.po为你生成的实体要放的位置 -->
<javaModelGenerator targetPackage ="pc.hfzj.po"
targetProject= ".\src">
<!-- enableSubPackages:是否让schema作为包的后缀 -->
<property name ="enableSubPackages" value= "false" />
<!-- 从数据库返回的值被清理前后的空格 -->
<property name ="trimStrings" value="true" />
</javaModelGenerator>
<!-- targetProject:mapper映射文件生成的位置
pc.hfzj.dao.mapper为你生成的mapper映射文件要放的位置 -- >
<sqlMapGenerator targetPackage ="pc.hfzj.dao.mapper"
targetProject= ".\src">
<!-- enableSubPackages:是否让schema作为包的后缀 -->
<property name ="enableSubPackages" value= "false" />
</sqlMapGenerator>
<!-- targetPackage：mapper接口生成的位置
pc.hfzj.dao.mapper为你生成的mapper接口要放的位置 -->
<javaClientGenerator type ="XMLMAPPER"
targetPackage= "pc.hfzj.dao.mapper"
targetProject= ".\src">
<!-- enableSubPackages:是否让schema作为包的后缀 -->
<property name ="enableSubPackages" value= "false" />
</javaClientGenerator>
<!-- 指定数据库表 tableName位生成实体的表名 -->
<table schema ="" tableName="tableName" ></table>
<!-- 有些表的字段需要指定java类型
<table schema="" tableName="">
<columnOverride column="" javaType="" />
</table> -->
</context >
</generatorConfiguration>