创建SpringBoot工程并集成Mybatis的方法

<!--springboot依赖-->
<dependency>
<groupId>org.springframework.boot<groupI>
<artifactId>springbootstarter<artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
 <artifactId>spring-boot-starter-web</artifactId> 
</dependency>
<!--测试-->
<dependency>
 <groupId>org.springframework.boot</groupId>
 <artifactId>spring-boot-starter-test</artifactId>
 <scope>test</scope>
 </dependency>
 <!--集成Mybatis-->
<dependency>
<groupId>org.mybatis.spring.boot</groupId>
<artifactId>mybatis-spring-boot-starter<artifactId>
 <version>1.3.0</version>
 </dependency>
 <dependency>
 <groupId>mysql</groupId>
 <artifactId>mysql-connector-java</artifactId>
  <version>5.1.35</version>
 </dependency>

spring.datasource.name=test
spring.datasource.url=jdbc:mysql://127.0.0.1:3306/test
spring.datasource.username=root
spring.datasource.password=root

spring:
 datasource:
  url: jdbc:mysql://127.0.0.1:3306/test
  username: root
  password: root
  driver-class-name: com.mysql.cj.jdbc.Driver

CREATE DATABASE test;
CREATE TABLE `t_user` (
 `user_id` int(11) NOT NULL AUTO_INCREMENT,
 `user_name` varchar(225) NOT NULL,
 `password` varchar(225) NOT NULL,
 `phone` varchar(225) NOT NULL,
 PRIMARY KEY (`user_id`)
) ENGINE=InnoDB AUTO_INCREMENT=1000 DEFAULT CHARSET=utf8

<build>
<resources>
  <resource>
    <directory>src/main/resources</directory>
    <filtering>true</filtering>
    <excludes>
      <exclude>generator/**</exclude>
    </excludes>
  </resource>
</resources>
<plugins>
<plugin>
<groupId>org.mybatis.generator</groupId>
<artifactId>mybatis-generator-maven-plugin</artifactId>
<version>1.3.4-SNAPSHOT</version>
<dependencies>
<dependency>
  <groupId>mysql</groupId>
  <artifactId>mysql-connector-java</artifactId>
  <version>5.1.39</version>
</dependency>
<dependency>
<groupId>org.mybatis.generator</groupId>
<artifactId>mybatis-generator-core</artifactId>
  <version>1.3.4-SNAPSHOT</version>
</dependency>
</dependencies>
  <configuration>
    <overwrite>true</overwrite>
    <configurationFile>src/main/resources/generator/generatorConfig.xml</configurationFile>
  </configuration>
</plugin>
</plugins>
</build>

<?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>
  <context id="DB2Tables"  targetRuntime="MyBatis3">
    <commentGenerator>
      <property name="suppressDate" value="true"/>
      <property name="suppressAllComments" value="true"/>
    </commentGenerator>
    <!--数据库链接地址账号密码-->
    <jdbcConnection driverClass="com.mysql.jdbc.Driver"
            connectionURL="jdbc:mysql://127.0.0.1:3306/test"
            userId="root"
            password="root">
    </jdbcConnection>
    <javaTypeResolver>
      <property name="forceBigDecimals" value="false"/>
    </javaTypeResolver>
    <!--生成Model类存放位置-->
    <javaModelGenerator targetPackage="com.lw.study.dao.domain" 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="sqlmap" targetProject="src/main/resources/">
      <property name="enableSubPackages" value="true"/>
    </sqlMapGenerator>
    <!--生成Dao类存放位置-->
    <!-- 客户端代码，生成易于使用的针对Model对象和XML配置文件 的代码
        type="ANNOTATEDMAPPER",生成Java Model 和基于注解的Mapper对象
        type="MIXEDMAPPER",生成基于注解的Java Model 和相应的Mapper对象
        type="XMLMAPPER",生成SQLMap XML文件和独立的Mapper接口
    -->
    <javaClientGenerator type="XMLMAPPER" targetPackage="com.lw.study.dao.mapper" targetProject="src/main/java">
      <property name="enableSubPackages" value="true"/>
    </javaClientGenerator>
    <!--生成对应表及类名-->
    <!--<table schema="loandb" tableName="T_AUDIT_JOB" domainObjectName="AuditJob">-->
      <!--<property name="useActualColumnNames" value="true"/>-->
      <!--<generatedKey column="Id" sqlStatement="MySql" identity="true"/>-->
    <!--</table>-->
    <table tableName="t_user" domainObjectName="User" enableCountByExample="false" enableUpdateByExample="false" enableDeleteByExample="false" enableSelectByExample="false" selectByExampleQueryId="false"></table>
  </context>
</generatorConfiguration>

@Configuration
@EnableTransactionManagement
public class MyBatisConfig {
  @Bean
  @ConfigurationProperties(prefix = "spring.datasource")
  public DataSource dataSource(){
    return new org.apache.tomcat.jdbc.pool.DataSource();
  }
  @Bean(name = "sqlSessionFactory")
  public SqlSessionFactory sqlSessionFactoryBean() throws Exception {
    SqlSessionFactoryBean sqlSessionFactoryBean = new SqlSessionFactoryBean();
    sqlSessionFactoryBean.setDataSource(dataSource());
    PathMatchingResourcePatternResolver resolver = new PathMatchingResourcePatternResolver();
    sqlSessionFactoryBean.setMapperLocations(resolver.getResources("classpath:/sqlmap/*.xml"));
    return sqlSessionFactoryBean.getObject();
  }
}

@Configuration
@AutoConfigureAfter(MyBatisConfig.class)
public class MyBatisMapperScannerConfig {
  @Bean
  public MapperScannerConfigurer mapperScannerConfigurer() {
    MapperScannerConfigurer mapperScannerConfigurer = new MapperScannerConfigurer();
    mapperScannerConfigurer.setSqlSessionFactoryBeanName("sqlSessionFactory");
    mapperScannerConfigurer.setBasePackage("com.study.dao.mapper");
    return mapperScannerConfigurer;
  }
}

@SpringBootApplication(scanBasePackages = {"com.lw.study.*"})
@MapperScan("com.lw.study.mapper")
public class Application {
  public static void main(String[] args) {
    SpringApplication.run(Application.class,args);
  }
}