SpringBoot使用Mybatis-Generator配置过程详解
:> 使用Spring initialier 需要配置文件
POM文件
<dependencies> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-web</artifactId> </dependency> <dependency> <groupId>org.mybatis.spring.boot</groupId> <artifactId>mybatis-spring-boot-starter</artifactId> <version>2.1.1</version> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-devtools</artifactId> <scope>runtime</scope> <optional>true</optional> </dependency> <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> <scope>runtime</scope> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-test</artifactId> <scope>test</scope> <exclusions> <exclusion> <groupId>org.junit.vintage</groupId> <artifactId>junit-vintage-engine</artifactId> </exclusion> </exclusions> </dependency> </dependencies> <build> <plugins> <plugin> <groupId>org.mybatis.generator</groupId> <artifactId>mybatis-generator-maven-plugin</artifactId> <version>1.3.2</version> <executions> <execution> <id>mybatis-generator</id> <phase>deploy</phase> <goals> <goal>generate</goal> </goals> </execution> </executions> <configuration> <!-- Mybatis-Generator 工具配置文件的位置 --> <configurationFile>src/main/resources/mybatis-generator/generatorConfig.xml</configurationFile> <verbose>true</verbose> <overwrite>true</overwrite> </configuration> <dependencies> <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> <version>8.0.19</version> </dependency> <dependency> <groupId>org.mybatis.generator</groupId> <artifactId>mybatis-generator-core</artifactId> <version>1.3.2</version>a </dependency> </dependencies> </plugin> <plugin> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-maven-plugin</artifactId> <configuration> <classifier>exec</classifier> </configuration> </plugin> </plugins> </build>
1: application配置文件
## mapper xml 文件地址mybatis.mapper-locations=classpath*:mapper/*Mapper.xml##数据库urlspring.datasource.url=jdbc:mysql://localhost/test2?userSSL=true&useUnicode=true&characterEncoding=UTF8&serverTimezone=GMT##数据库用户名spring.datasource.username=root##数据库密码spring.datasource.password=root##数据库驱动spring.datasource.driver-class-name=com.mysql.jdbc.Driver#Mybatis Generator configuration#dao类和实体类的位置mybatis.project =src/main/java#mapper文件的位置mybatis.resources=src/main/resources
<?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"><!-- 配置生成器 --><generatorConfiguration> <!--执行generator插件生成文件的命令: call mvn mybatis-generator:generate -e --> <!-- 引入配置文件 --> <properties resource="application.properties"/> <!--classPathEntry:数据库的JDBC驱动,换成你自己的驱动位置 可选 --> <!--<classPathEntry location="D:\generator_mybatis\mysql-connector-java-5.1.24-bin.jar" /> --> <!-- 一个数据库一个context --> <!--defaultModelType="flat" 大数据字段,不分表 --> <context targetRuntime="MyBatis3Simple" defaultModelType="flat"> <!-- 自动识别数据库关键字,默认false,如果设置为true,根据SqlReservedWords中定义的关键字列表; 一般保留默认值,遇到数据库关键字(Java关键字),使用columnOverride覆盖 --> <property name="autoDelimitKeywords" value="true" /> <!-- 生成的Java文件的编码 --> <property name="javaFileEncoding" value="utf-8" /> <!-- beginningDelimiter和endingDelimiter:指明数据库的用于标记数据库对象名的符号,比如ORACLE就是双引号,MYSQL默认是`反引号; --> <property name="beginningDelimiter" value="`" /> <property name="endingDelimiter" value="`" /> <!-- 格式化java代码 --> <property name="javaFormatter" value="org.mybatis.generator.api.dom.DefaultJavaFormatter"/> <!-- 格式化XML代码 --> <property name="xmlFormatter" value="org.mybatis.generator.api.dom.DefaultXmlFormatter"/> <plugin type="org.mybatis.generator.plugins.SerializablePlugin" /> <plugin type="org.mybatis.generator.plugins.ToStringPlugin" /> <!-- 注释 --> <commentGenerator > <property name="suppressAllComments" value="false"/><!-- 是否取消注释 --> <property name="suppressDate" value="true" /> <!-- 是否生成注释代时间戳--> </commentGenerator> <!-- jdbc连接 --> <jdbcConnection driverClass="${spring.datasource.driver-class-name}" connectionURL="${spring.datasource.url}" userId="${spring.datasource.username}" password="${spring.datasource.password}" /> <!-- 类型转换 --> <javaTypeResolver> <!-- 是否使用bigDecimal, false可自动转化以下类型(Long, Integer, Short, etc.) --> <property name="forceBigDecimals" value="false"/> </javaTypeResolver> <!-- 生成实体类地址 --> <javaModelGenerator targetPackage="com.dgw.mybatisgenerator.entity" targetProject="${mybatis.project}" > <property name="enableSubPackages" value="false"/> <property name="trimStrings" value="true"/> </javaModelGenerator> <!-- 生成mapxml文件 --> <sqlMapGenerator targetPackage="mapper" targetProject="${mybatis.resources}" > <property name="enableSubPackages" value="false" /> </sqlMapGenerator> <!-- 生成mapxml对应client,也就是接口dao --> <javaClientGenerator targetPackage="com.dgw.mybatisgenerator.dao" targetProject="${mybatis.project}" type="XMLMAPPER" > <property name="enableSubPackages" value="false" /> </javaClientGenerator> <!-- table可以有多个,每个数据库中的表都可以写一个table,tableName表示要匹配的数据库表,也可以在tableName属性中通过使用%通配符来匹配所有数据库表,只有匹配的表才会自动生成文件 --> <table tableName="user" enableCountByExample="true" enableUpdateByExample="true" enableDeleteByExample="true" enableSelectByExample="true" selectByExampleQueryId="true"> <property name="useActualColumnNames" value="false" /> <!-- 数据库表主键 --> <generatedKey column="id" sqlStatement="Mysql" identity="true" /> </table> <!-- <table tableName="book" enableCountByExample="true" enableUpdateByExample="true" enableDeleteByExample="true" enableSelectByExample="true" selectByExampleQueryId="true"> <property name="useActualColumnNames" value="false" /> <!– 数据库表主键 –> <generatedKey column="id" sqlStatement="Mysql" identity="true" /> </table>--> </context></generatorConfiguration>
3: 进行配置
右侧Maven处点击如图所示位置
测试陈宫
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