SpringBoot学习笔记
一,MyBatis的配置
** 1.在pom.xml添加数据库相关依赖**
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.41</version>
</dependency>
<!--引入阿里巴巴德鲁伊的连接池依赖-->
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>druid</artifactId>
<version>1.1.9</version>
</dependency>
<!--添加mybatis的依赖-->
<dependency>
<groupId>org.mybatis.spring.boot</groupId>
<artifactId>mybatis-spring-boot-starter</artifactId>
<version>1.3.1</version>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.11</version>
<scope>test</scope>
</dependency>
<!--引入数据库的相关依赖-->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.41</version>
</dependency>
<!--引入阿里巴巴德鲁伊的连接池依赖-->
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>druid</artifactId>
<version>1.1.9</version>
</dependency>
<!--添加mybatis的依赖-->
<dependency>
<groupId>org.mybatis.spring.boot</groupId>
<artifactId>mybatis-spring-boot-starter</artifactId>
<version>1.3.1</version>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.11</version>
<scope>test</scope>
</dependency>
2.添加MyBatis的配置
(1).在application.properties文件里面添加
mybatis.mapper-locations=classpath:mapping/*.xml
(2).在resources下新建一个名为mapping的文件夹,用于存放生成数据库的字段
3.在pom.xml中添加MyBatis自动生成工具依赖----mybatis-generator
<!--添加mybatis-generator自动生成工具的依赖-->
<plugin>
<groupId>org.mybatis.generator</groupId>
<artifactId>mybatis-generator-maven-plugin</artifactId>
<version>1.3.5</version>
<dependencies>
<dependency>
<groupId>org.mybatis.generator</groupId>
<artifactId>mybatis-generator-core</artifactId>
<version>1.3.2</version>
</dependency>
<!--对数据库进行解析-->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.47</version>
</dependency>
</dependencies>
<executions>
<execution>
<!--名字-->
<id>mybatis-generator</id>
<!--阶段-->
<phase>package</phase>
<goals>
<!--目的-->
<goal>generate</goal>
</goals>
</execution>
</executions>
<configuration>
<!--自动生成文件可移动-->
<verbose>true</verbose>
<!--自动覆盖生成文件!!谨慎!!-->
<overwrite>true</overwrite>
<!--generator生成工具的配置文件路径-->
<configurationFile>
src/main/resources/mybatis-generator.xml
</configurationFile>
</configuration>
</plugin>
3.编mybatis-generator的配置文件(在官网可下)
(1)在resources中新建一个名为mybatis-generator.xml的文件
<?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>
<!--<classPathEntry-->
<!--location="C:/Oracle/Middleware/wlserver_10.3/server/lib/ojdbc6.jar"/>-->
<context id="MBG" targetRuntime="MyBatis3">
<commentGenerator>
<property name="suppressDate" value="false"/>
<property name="suppressAllComments" value="true"/>
</commentGenerator>
<!--数据库的连接地址账号密码-->
<jdbcConnection
driverClass="com.mysql.jdbc.Driver"
connectionURL="jdbc:mysql://127.0.0.1:3306/eleba"
userId="root"
password="eleba123"/>
<!--生成DataObject类的存放位置-->
<javaModelGenerator targetPackage="elebaproject.dataobject"
targetProject="src/main/java">
<property name="enableSubPackages" value="true"/>
<property name="trimStrings" value="true"/>
</javaModelGenerator>
<!--生成映射文件存放位置-->
<sqlMapGenerator targetPackage="mapping"
targetProject="src/main/resources">
<property name="enableSubPackages" value="true"/>
</sqlMapGenerator>
<!--生成Dao类存放位置-->
<javaClientGenerator targetPackage="elebaproject.dao"
targetProject="src/main/java/" type="XMLMAPPER">
<property name="enableSubPackages" value="true"/>
</javaClientGenerator>
<!--生成对应表及类名
enableCountByExample="false"
enableUpdateByExample="false"
enableDeleteByExample="false"
enableSelectByExample="false"
selectByExampleQueryId="false"
这几个是设置不生成自带复杂查询,只使用简单查询sql语句
-->
<table tableName="user_info" domainObjectName="UserDo"
enableCountByExample="false"
enableUpdateByExample="false"
enableDeleteByExample="false"
enableSelectByExample="false"
selectByExampleQueryId="false"></table>
<table tableName="user_password" domainObjectName="UserPasswordDo"
enableCountByExample="false"
enableUpdateByExample="false"
enableDeleteByExample="false"
enableSelectByExample="false"
selectByExampleQueryId="false"
></table>
</context>
</generatorConfiguration>
4.新建一个bybatis-generator的Maven启动项用于生成入口
Run一下之后就会自动生成相关文件