mybatis+mysql反向生成實體類
mybatis+mysql反轉生成實體類
1.maven工程:
1.1 下載jar包:
下載mysql驅動包 mysql-connector-java-5.1.21.zip
1.2 解壓mysql驅動包:
1.3 maven工程pom檔案配置外掛:
<build>
<!-- 生成實體類 -->
<finalName>hello-mybatis</finalName>
<pluginManagement>
<plugins>
<plugin>
<groupId>org.mybatis.generator</groupId
<artifactId>mybatis-generator-maven-plugin</artifactId>
<version>1.3.2</version>
<configuration>
<configurationFile>src/main/resources/generator.xml</configurationFile>
<verbose>true</verbose>
<overwrite>true</overwrite>
</configuration>
<
<execution>
<id>Generate MyBatis Artifacts</id>
<goals>
<goal>generate</goal>
</goals>
</execution>
</executions>
<dependencies>
<dependency>
<groupId>org.mybatis.generator</groupId>
<artifactId>mybatis-generator-core</
<version>1.3.2</version>
</dependency>
</dependencies>
</plugin>
</plugins>
</pluginManagement>
</build>
1.4 配置generator.xml檔案:
<?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>
<!-- 資料庫驅動包位置 -->
<classPathEntry location="E:\mysql-connector-java-5.1.21\mysql-connector-java-5.1.21-bin.jar" />
<context id="DB2Tables" targetRuntime="MyBatis3">
<commentGenerator>
<property name="suppressAllComments" value="true" />
</commentGenerator>
<!-- 資料庫連結URL、使用者名稱、密碼 -->
<jdbcConnection driverClass="com.mysql.jdbc.Driver" connectionURL="jdbc:mysql://localhost:3306/vote" userId="root" password="3651915">
</jdbcConnection>
<javaTypeResolver>
<property name="forceBigDecimals" value="false" />
</javaTypeResolver>
<!-- 生成實體類的包名和位置,這裡配置將生成的實體類放在com.heima.survey.pojo這個包下,targetProject:你工程所在的路徑-->
<javaModelGenerator targetPackage="com.heima.survey.pojo" targetProject="E:\work4.2\heima-studentVOTE\src\main\java">
<property name="enableSubPackages" value="true" />
<property name="trimStrings" value="true" />
</javaModelGenerator>
<!-- 要生成那些表(更改tableName和domainObjectName就可以) -->
<table tableName="student" domainObjectName="student" enableCountByExample="false" enableUpdateByExample="false" enableDeleteByExample="false" enableSelectByExample="false" selectByExampleQueryId="false" />
</context>
</generatorConfiguration>
1.5 執行外掛:
開啟cmd視窗,進入你的工程根目錄
執行mvn mybatis-generator:generate(前提是你的電腦配置了maven的環境變數,可以用mvn命令)
1.6成功顯示:
實體類生成:
1.7 maven工程直接執行命令:
(注意): maven工程直接執行需要聯網
輸入命令: mybatis-generator:generate
成功顯示: