springboot集成Mybatis的详细教程

<!--mybatis整合springboot框架的起步依赖-->
<dependency>
    <groupId>org.mybatis.spring.boot</groupId>
    <artifactId>mybatis-spring-boot-starter</artifactId>
    <version>2.0.0</version>
</dependency>

<!--添加mysql驱动-->
<dependency>
    <groupId>mysql</groupId>
    <artifactId>mysql-connector-java</artifactId>
    <!-- 指定版本号 <version>5.1.9<version> -->
</dependency>

<?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>
    <!--指向连接数据库的 JDBC 驱动包所在位置，指定到你本机的完整路径-->
    <classPathEntry location="D:\biancheng_files\mysql_connect_java\mysql-connector-java-5.1.38.jar"/>
    <!--配置table表信息内容体，targetRuntime 指定采用MyBatis3的版本-->
    <context id="tables" targetRuntime="MyBatis3">
        <commentGenerator>
            <property name="suppressAllComments" value="true"/>
        </commentGenerator>
        <!--配置数据库连接信息-->
        <jdbcConnection driverClass="com.mysql.cj.jdbc.Driver"
                        connectionURL="jdbc:mysql://127.0.0.1:3306/spring?serverTimezone=Asia/Shanghai&amp;useUnicode=true&amp;characterEncoding=utf8&amp;useSSL=false"
                        userId="root"
                        password="lvxingchen">
        </jdbcConnection>
        <!--生成Model类，targetPackage指定model类的包名，
        targetProject指定生成的model类放在eclipse的哪个工程下边、-->
        <javaModelGenerator targetPackage="com.lxc.boot_02.model"
                            targetProject="src/main/java">
            <property name="enableSubPackages" value="false"/>
            <property name="trimStrings" value="false"/>
        </javaModelGenerator>
        <!--生成Mybatis的Mapper.xml 文件，targetPackage指定mapper.xml文件的包名，
        targetProject指定生成的mapper.xml放在eclipse的哪个工程下边-->
        <sqlMapGenerator targetPackage="com.lxc.boot_02.mapper"
                         targetProject="src/main/java">
            <property name="enableSubPackages" value="false"/>
        </sqlMapGenerator>
        <!--生成Mybatis的Mapper接口类文件，targetPackage指定Mapper接口类的包名，
        targetProject指定生成的Mapper接口放在eclipse的哪个工程下边-->
        <javaClientGenerator type="XMLMAPPER"
                             targetPackage="com.lxc.boot_02.mapper"
                             targetProject="src/main/java">
            <property name="enableSubPackages" value="false"/>
        </javaClientGenerator>
 
        <!--数据库表名及对应的Java模型类名
        有100张表，就需要指定100个table
        tableName：数据库中表的名字；
        domainObjectName：表对应生成的实体类的名字叫什么
        -->
        <table tableName="user" domainObjectName="User"
               enableCountByExample="false"
               enableUpdateByExample="false"
               enableDeleteByExample="false"
               enableSelectByExample="false"
               selectByExampleQueryId="false"/>
    </context>
</generatorConfiguration>

<!--在plugins标签中，添加如下代码-->
<!--mybatis 代码自动生成插件-->
<plugin>
    <groupId>org.mybatis.generator</groupId>
    <artifactId>mybatis-generator-maven-plugin</artifactId>
    <version>1.3.7</version>
    <dependencies>
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <version>8.0.15</version>
        </dependency>
    </dependencies>
    <configuration>
        <!--配置文件的位置-->
        <configurationFile>GeneratorMapper.xml</configurationFile>
        <verbose>true</verbose>
        <overwrite>true</overwrite>
    </configuration>
</plugin>

driverClass="com.mysql.cj.jdbc.Driver"
connectionURL="jdbc:mysql://127.0.0.1:3306/java_pro?serverTimezone=Asia/Shanghai&useUnicode=true&characterEncoding=utf8&useSSL=false"