mybatis自动生成mapper.xml文件,model文件
首先我们新建一个genneratorConfigMysql.xml文件, 把里面的数据库,用户名,数据库表都进行相应的替换,
domainObjectName是要生成的model文件名称
tableName 数据库表名
<?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="MySqlContext" targetRuntime="MyBatis3Simple" defaultModelType="flat">
<property name="beginingDelimiter" value="`"/>
<property name="endingDelimiter" value="`"/>
<commentGenerator>
<property name="supressDate" value="true"/>
<property name="addRemarkComments" value="true"/>
</commentGenerator>
<jdbcConnection driverClass="com.mysql.jdbc.Driver"
connectionURL="jdbc:mysql://xxxx?characterEncoding=utf8" userId="xxxx"
password="xxxx" >
</jdbcConnection>
<javaModelGenerator targetPackage="test.qa.model" targetProject="src/main/java">
<property name="trimStrings" value="true"/>
</javaModelGenerator>
<sqlMapGenerator targetPackage="mybatis" targetProject="src/main/resources/"/>
<javaClientGenerator type="XMLMAPPER" targetPackage="test.ke.dao" targetProject="src/main/java"/>
<table tableName="xxxx" domainObjectName="xxxx"/>
</context>
</generatorConfiguration>
新建一个java文件,如下所示,运行即可生成对应的mapper.xml文件,model文件. 需要生成其他的数据库表的时候,只要替换genneratorConfigMysql.xml文件中的数据库表名和要生成的model文件名即可
package test.util;
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;import java.io.InputStream;
import java.util.ArrayList;
import java.util.List;/**
生成model文件和xml文件。 需要修改generatorConfigMySql.xml文件中的表和数据库
*/
public class Generator {
public static void main(String[] args) throws Exception{List<String> warnings = new ArrayList<>();
boolean overwrite = true;
InputStream is = Generator.class.getResourceAsStream("/generatorConfigMySql.xml");
if(is == null){
System.out.println("null");
}
ConfigurationParser cp = new ConfigurationParser(warnings);
Configuration config = cp.parseConfiguration(is);
is.close();
DefaultShellCallback callback = new DefaultShellCallback(overwrite);
MyBatisGenerator myBatisGenerator = new MyBatisGenerator(config, callback, warnings);
myBatisGenerator.generate(null);
for(String warning : warnings){
System.out.println(warning);
}
}
}
转载于//www.cnblogs.com/leavescy/p/11240445.html
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