MyBatis Generator(mybatis-generator MBG插件)详解

生成器设计思路: 连接数据库 -> 获取表结构 -> 生成文件

1 下载与安装


https://blog.mybatis.org/p/products.htmlhttp://mybatis.org/generator/running/runningWithMaven.html贴至pom 文件

2 新建配置文件

http://mybatis.org/generator/configreference/xmlconfig.html项目实例

<code>
br> PUBLIC "-//mybatis.org//DTD MyBatis Generator Configuration 1.0//EN"
"http://mybatis.org/dtd/mybatis-generator-config_1_0.dtd">

<generatorconfiguration>
<classpathentry>

<context>

<plugin>

<commentgenerator>
<property>
/<commentgenerator>

<jdbcconnection> connectionURL="jdbc:mysql://127.0.0.1:3306/mall?characterEncoding=utf-8"
userId="root"
password="root">
/<jdbcconnection>

<javatyperesolver>
<property>
/<javatyperesolver>

<javamodelgenerator>
<property>

/<javamodelgenerator>

<sqlmapgenerator>
<property>
/<sqlmapgenerator>

<javaclientgenerator>
<property>
/<javaclientgenerator>

<table>
<table>

/<context>


/<generatorconfiguration>/<code>


3 生成文件


默认不覆盖已有文件,重复生成文件后果不过,可以设置可覆盖
但是注意,对于 xml 文件的内容是追加生成的,不会覆盖!怎么解决呢? http://mybatis.org/generator/reference/plugins.html选用该插件修改配置文件

命令行生成


<code>mvn mybatis-generator:generate/<code>


插件运行

Maven 插件按钮gradle 插件按钮
生成成功
可多次执行,类会覆盖,但是设计 mapper 的 xml 文件会重复生成

附 :配置文件详解


<code>
br> PUBLIC "-//mybatis.org//DTD MyBatis Generator Configuration 1.0//EN"
"http://mybatis.org/dtd/mybatis-generator-config_1_0.dtd">


<generatorconfiguration>




<classpathentry>


<context>


<property>

<property>

<property>

<property>


<property>
<property>


<jdbcconnection>

/<jdbcconnection>



<javatyperesolver>

<property>
/<javatyperesolver>


<javamodelgenerator>

<property>


<property>


<property>


<property>


<property>
/<javamodelgenerator>


<sqlmapgenerator>

<property>
/<sqlmapgenerator>


<javaclientgenerator>

<property>


/<javaclientgenerator>



<table>


<property>


<property>


<property>


<property>












<property>


<property>






<columnoverride>

<property>








/<columnoverride>


/<table>

/<context>

/<generatorconfiguration>/<code>


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