最简单Mybatis代码生成器

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最近项目中使用了Mybatis, 顺便整理一下mybatis代码生成器使用经验。网上的好多资料,不能拿来就用,需要费一番功夫,感觉甚是不方便,所以结合自己的经验总结了一个简单入门版本

1,创建一个简单Maven工程,引入如下POM文件:

        <!-- https://mvnrepository.com/artifact/mysql/mysql-connector-java -->        <dependency>            <groupId>mysql</groupId>            <artifactId>mysql-connector-java</artifactId>            <version>5.1.41</version>        </dependency>        <!-- 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>

2,在src/mian/resources添加generatorConfig.xml配置文件:


<?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="beginningDelimiter" value="`"/>        <property name="endingDelimiter" value="`"/>        <commentGenerator>            <property name="suppressDate" value="true"/>        </commentGenerator>        <jdbcConnection driverClass="com.mysql.jdbc.Driver"            connectionURL="jdbc:mysql://mysql-server:3306/ppc_dev" userId="ppdcuser_credit"            password="pwd">        </jdbcConnection>        <javaModelGenerator targetPackage="test.model" targetProject="D:\weidir\weitool\src\main\java">            <property name="trimStrings" value="true" />        </javaModelGenerator>        <sqlMapGenerator targetPackage="test.xml"  targetProject="D:\weidir\weitool\src\main\resources"/>        <javaClientGenerator type="ANNOTATEDMAPPER" targetPackage="test.dao"  targetProject="D:\weidir\weitool\src\main\java"/>        <!-- 需要生成代码的表名,每个表一个table节点如下 -->        <table tableName="PPC_GYPSOPHILA_RULE" />        <table tableName="PPC_GYPSOPHILA_LOG" />        <table tableName="PPC_GYPSOPHILA_TACTIC" domainObjectName="GypsophilaTactic"/>            </context></generatorConfiguration>


3,编写如下JAVA类,运行main函数:

package com.github.wangwei86609.weitool;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 MybatisGeneator {    public static void main(String[] args) throws Exception {        List<String> warnings = new ArrayList<String>();        boolean overwrite = true;        ConfigurationParser cp = new ConfigurationParser(warnings);        Configuration config = cp.parseConfiguration(                new File(MybatisGeneator.class.getClassLoader().getResource("generatorConfig.xml").getFile()));        DefaultShellCallback callback = new DefaultShellCallback(overwrite);        MyBatisGenerator myBatisGenerator = new MyBatisGenerator(config, callback, warnings);        myBatisGenerator.generate(null);    }}