Springboot整合tk-mybatis

<dependency>
    <groupId>mysql</groupId>
    <artifactId>mysql-connector-java</artifactId>
    <version>5.1.29</version>
</dependency>

<dependency>
    <groupId>tk.mybatis</groupId>
    <artifactId>mapper-spring-boot-starter</artifactId>
    <version>2.1.5</version>
</dependency>

<plugin>
    <groupId>org.mybatis.generator</groupId>
    <artifactId>mybatis-generator-maven-plugin</artifactId>
    <version>1.3.6</version>
    <configuration>
        <configurationFile>
            ${basedir}/src/main/resources/generator/generatorConfig.xml
        </configurationFile>
        <overwrite>true</overwrite>
        <verbose>true</verbose>
    </configuration>
    <dependencies>
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <version>5.1.29</version>
        </dependency>
        <dependency>
            <groupId>tk.mybatis</groupId>
            <artifactId>mapper</artifactId>
            <version>4.0.0</version>
        </dependency>
    </dependencies>
</plugin>
《可不加》

<dependencyManagement>
    <dependencies>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-dependencies</artifactId>
            <version>2.1.6.RELEASE</version>
            <type>pom</type>
            <scope>import</scope>
        </dependency>
    </dependencies>
</dependencyManagement>

《可不加》

/*启动类扫描mybatis的通用接口*/

import tk.mybatis.spring.annotation.MapperScan;

@MapperScan("com.itmuch.mapper")

配置mysql 版本<5.X

spring:
  # mysql
  datasource:
    url: jdbc:mysql://127.0.0.1:3306/数据库?useUnicode=true&characterEncoding=utf8&characterSetResults=utf8
    driver-class-name: com.mysql.jdbc.Driver
    hikari:
      username: root
      password: root

    config.properties内容

jdbc.driverClass=com.mysql.jdbc.Driver
jdbc.url=jdbc:mysql://127.0.0.1:3306/user_center?useUnicode=true&characterEncoding=utf8&characterSetResults=utf8
jdbc.user=root
jdbc.password=root
#模块名称
modelName=user
#表名
tableName=user

generatorConfig.xml内容

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

<generatorConfiguration>
    <properties resource="generator/config.properties"/>

    <context id="Mysql" targetRuntime="MyBatis3Simple" defaultModelType="flat">
        <property name="beginningDelimiter" value="`"/>
        <property name="endingDelimiter" value="`"/>

        <plugin type="tk.mybatis.mapper.generator.MapperPlugin">
            <property name="mappers" value="tk.mybatis.mapper.common.Mapper"/>
            <property name="caseSensitive" value="true"/>
        </plugin>

        <jdbcConnection driverClass="${jdbc.driverClass}"
                        connectionURL="${jdbc.url}"
                        userId="${jdbc.user}"
                        password="${jdbc.password}">
        </jdbcConnection>

        <!--实体-->
        <javaModelGenerator targetPackage="com.itmuch.entity.${modelName}"
                            targetProject="src/main/java"/>
        <!--mapper-->
        <sqlMapGenerator targetPackage="com.itmuch.mapper.${modelName}"
                         targetProject="src/main/resources"/>
        <!--mapper接口-->
        <javaClientGenerator targetPackage="com.itmuch.mapper.${modelName}"
                             targetProject="src/main/java"
                             type="XMLMAPPER"/>

        <table tableName="${tableName}">
            <generatedKey column="id" sqlStatement="JDBC"/>
        </table>
    </context>
</generatorConfiguration>