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根据数据中的表生成实体和mapper接口及映射文件

2015-11-12 00:00 489 查看
摘要: mapper.xml
mapper接口
mapper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/1nvasYxj 密码:m2mx

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>


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