版权声明:本文为博主原创文章,未经博主允许不得转载。 https://blog.csdn.net/sinat_23490433/article/details/83475363
1、引入mybatis的generator包
<dependency>
<groupId>org.mybatis.generator</groupId>
<artifactId>mybatis-generator-core</artifactId>
<version>1.3.5</version>
</dependency>
2、在src下新增配置文件mybatis-generator.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="DB2Tables" targetRuntime="MyBatis3">
<!-- 配置生成的sql映射文件不需要注释 -->
<commentGenerator>
<property name="suppressAllComments" value="true" />
</commentGenerator>
<!-- 1、配置数据库连接 -->
<jdbcConnection driverClass="com.mysql.jdbc.Driver"
connectionURL="jdbc:mysql://localhost:3306/qx"
userId="root"
password="root">
</jdbcConnection>
<javaTypeResolver >
<property name="forceBigDecimals" value="false" />
</javaTypeResolver>
<!-- 2、配置javaBean生成的位置 -->
<javaModelGenerator targetPackage="com.cn.entity" targetProject=".\src">
<property name="enableSubPackages" value="true" />
<property name="trimStrings" value="true" />
</javaModelGenerator>
<!-- 3、指定sql映射文件生成的位置 -->
<sqlMapGenerator targetPackage="com.cn.mapping" targetProject=".\src">
<property name="enableSubPackages" value="true" />
</sqlMapGenerator>
<!-- 4、指定mapper接口生成的位置 -->
<javaClientGenerator type="XMLMAPPER" targetPackage="com.cn.mapper" targetProject=".\src">
<property name="enableSubPackages" value="true" />
</javaClientGenerator>
<!-- 5、指定每个表的生成策略 -->
<!-- <table tableName="t_emp" domainObjectName="Employee" />
<table tableName="t_dept" domainObjectName="Dept" /> -->
<!-- 5、指定每个表的生成策略 -->
<table schema="general" tableName="user" domainObjectName="User"
enableCountByExample="false" enableUpdateByExample="false" enableDeleteByExample="false"
enableSelectByExample="false" selectByExampleQueryId="false">
</table>
<table schema="general" tableName="t_dept" domainObjectName="Dept"
enableCountByExample="false" enableUpdateByExample="false" enableDeleteByExample="false"
enableSelectByExample="false" selectByExampleQueryId="false">
</table>
</context>
</generatorConfiguration>
3、在src下新建包com.cn.test,然后在该包下新建测试类MyBatsGeneratorTest
package com.cn.test;
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.exception.XMLParserException;
import org.mybatis.generator.internal.DefaultShellCallback;
/**
* 用于生成mapper映射文件、接口、实体类
* */
public class MyBatisGeneratorTest {
public static void main(String[] args) throws Exception, XMLParserException {
List<String> warnings = new ArrayList<String>();
boolean overwrite = true;
File configFile = new File("G:\\workPlace\\taotao2\\qxSystem\\config\\spring\\mybatis-generator.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);
}
}
4、运行测试类后,刷新src目录会看到生成的实体类、mapper接口和mapper映射文件。注意要先建表,是根据表的字段生成的