一、引入依赖
<!-- Spring-Mybatis -->
<dependency>
<groupId>org.mybatis.spring.boot</groupId>
<artifactId>mybatis-spring-boot-starter</artifactId>
<version>1.3.0</version>
</dependency>
<!-- MySQL -->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<!-- data source -->
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>druid</artifactId>
<version>1.1.6</version>
</dependency>
二、配置application.properties
## 数据库配置
## 数据源
spring.datasource.type = com.alibaba.druid.pool.DruidDataSource
## 数据库连接
spring.datasource.url=jdbc:mysql://localhost:3306/testdb?useUnicode=true&characterEncoding=utf8
## 数据库用户名
spring.datasource.username=root
## 数据库连接密码
spring.datasource.password=123456
## 数据库连接驱动
spring.datasource.driverClassName=com.mysql.jdbc.Driver
## 配置监控统计拦截filters
spring.datasource.filters = stat
## 连接池最大使用连接数
spring.datasource.maxActive = 20
## 初始化连接大小
spring.datasource.initialSize = 3
## 获取连接最大等待时间
spring.datasource.maxWait = 60000
## 连接池最小空闲
spring.datasource.minIdle = 1
## 配置间隔多久才进行一次检测,检测需要关闭的空闲连接,单位是毫秒
spring.datasource.timeBetweenEvictionRunsMillis = 60000
## 配置一个连接在池中最小生存的时间,单位是毫秒
spring.datasource.minEvictableIdleTimeMillis = 300000
spring.datasource.validationQuery = select 'x'
spring.datasource.testWhileIdle = true
spring.datasource.testOnBorrow = false
spring.datasource.testOnReturn = false
spring.datasource.poolPreparedStatements = true
spring.datasource.maxOpenPreparedStatements = 20
三、配置DruidConfig
import com.alibaba.druid.pool.DruidDataSource;
import com.alibaba.druid.support.http.StatViewServlet;
import com.alibaba.druid.support.http.WebStatFilter;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.boot.web.servlet.FilterRegistrationBean;
import org.springframework.boot.web.servlet.ServletRegistrationBean;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Primary;
import java.sql.SQLException;
/**
* Created by panxiang on 2017-06-25.
*/
@Configuration
public class DruidConfig {
@Value("${spring.datasource.url}")
private String dbUrl;
@Value("${spring.datasource.username}")
private String username;
@Value("${spring.datasource.password}")
private String password;
@Value("${spring.datasource.driverClassName}")
private String driverClassName;
@Value("${spring.datasource.initialSize}")
private int initialSize;
@Value("${spring.datasource.minIdle}")
private int minIdle;
@Value("${spring.datasource.maxActive}")
private int maxActive;
@Value("${spring.datasource.maxWait}")
private int maxWait;
@Value("${spring.datasource.timeBetweenEvictionRunsMillis}")
private int timeBetweenEvictionRunsMillis;
@Value("${spring.datasource.minEvictableIdleTimeMillis}")
private int minEvictableIdleTimeMillis;
@Value("${spring.datasource.validationQuery}")
private String validationQuery;
@Value("${spring.datasource.testWhileIdle}")
private boolean testWhileIdle;
@Value("${spring.datasource.testOnBorrow}")
private boolean testOnBorrow;
@Value("${spring.datasource.testOnReturn}")
private boolean testOnReturn;
@Value("${spring.datasource.poolPreparedStatements}")
private boolean poolPreparedStatements;
@Value("${spring.datasource.filters}")
private String filters;
@Bean
public ServletRegistrationBean druidServlet() {
ServletRegistrationBean reg = new ServletRegistrationBean();
reg.setServlet(new StatViewServlet());
reg.addUrlMappings("/druid/*");
reg.addInitParameter("loginUsername", "admin");
reg.addInitParameter("loginPassword", "123456");
return reg;
}
@Bean
public FilterRegistrationBean filterRegistrationBean() {
FilterRegistrationBean filterRegistrationBean = new FilterRegistrationBean();
filterRegistrationBean.setFilter(new WebStatFilter());
filterRegistrationBean.addUrlPatterns("/*");
filterRegistrationBean.addInitParameter("exclusions", "*.js,*.gif,*.jpg,*.png,*.css,*.ico,/druid/*");
filterRegistrationBean.addInitParameter("profileEnable", "true");
filterRegistrationBean.addInitParameter("principalCookieName", "USER_COOKIE");
filterRegistrationBean.addInitParameter("principalSessionName", "USER_SESSION");
return filterRegistrationBean;
}
@Bean
@Primary
public DruidDataSource druidDataSource() {
DruidDataSource datasource = new DruidDataSource();
datasource.setUrl(this.dbUrl);
datasource.setUsername(username);
datasource.setPassword(password);
datasource.setDriverClassName(driverClassName);
datasource.setInitialSize(initialSize);
datasource.setMinIdle(minIdle);
datasource.setMaxActive(maxActive);
datasource.setMaxWait(maxWait);
datasource.setTimeBetweenEvictionRunsMillis(timeBetweenEvictionRunsMillis);
datasource.setMinEvictableIdleTimeMillis(minEvictableIdleTimeMillis);
datasource.setValidationQuery(validationQuery);
datasource.setTestWhileIdle(testWhileIdle);
datasource.setTestOnBorrow(testOnBorrow);
datasource.setTestOnReturn(testOnReturn);
datasource.setPoolPreparedStatements(poolPreparedStatements);
try {
datasource.setFilters(filters);
} catch (SQLException e) {
}
return datasource;
}
}
四、配置SessionFactory
import javax.sql.DataSource;
import org.apache.ibatis.session.SqlSessionFactory;
import org.mybatis.spring.SqlSessionFactoryBean;
import org.mybatis.spring.SqlSessionTemplate;
import org.mybatis.spring.annotation.MapperScan;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.io.support.PathMatchingResourcePatternResolver;
import org.springframework.jdbc.datasource.DataSourceTransactionManager;
import org.springframework.transaction.PlatformTransactionManager;
import org.springframework.transaction.annotation.EnableTransactionManagement;
import org.springframework.transaction.annotation.TransactionManagementConfigurer;
/**
* Created by panxiang on 2017-06-25.
*/
@Configuration
@EnableTransactionManagement
@MapperScan(basePackages = SessionFactoryConfig.PACKAGE)
public class SessionFactoryConfig implements TransactionManagementConfigurer {
/**
* mybatis 配置路径
*/
// static final String MYBATIS_CONFIG = "mybatis-config.xml";
static final String PACKAGE = "com.tool.springBoot.dao";
static final String MAPPER_LOCATION = "classpath:mapper/*.xml";
static final String TYPEALIAS_PACKAGE = "com.tool.springBoot.vo";
@Autowired
private DataSource dataSource;
/**
* 创建sqlSessionFactoryBean 实例
* 并且设置configtion 如驼峰命名.等等
* 设置mapper 映射路径
* 设置datasource数据源
*
* @return
* @throws Exception
*/
@Bean(name = "sqlSessionFactory")
public SqlSessionFactoryBean createSqlSessionFactoryBean() throws Exception {
SqlSessionFactoryBean sqlSessionFactoryBean = new SqlSessionFactoryBean();
/** 设置mybatis configuration 扫描路径 */
// sqlSessionFactoryBean.setConfigLocation(new ClassPathResource(MYBATIS_CONFIG));
/** 设置datasource */
sqlSessionFactoryBean.setDataSource(dataSource);
/** 设置typeAlias 包扫描路径 */
sqlSessionFactoryBean.setTypeAliasesPackage(TYPEALIAS_PACKAGE);
/**设置map映射文件路径*/
sqlSessionFactoryBean.setMapperLocations(new PathMatchingResourcePatternResolver()
.getResources(SessionFactoryConfig.MAPPER_LOCATION));
return sqlSessionFactoryBean;
}
@Bean
public SqlSessionTemplate sqlSessionTemplate(SqlSessionFactory sqlSessionFactory) {
return new SqlSessionTemplate(sqlSessionFactory);
}
@Bean
@Override
public PlatformTransactionManager annotationDrivenTransactionManager() {
return new DataSourceTransactionManager(dataSource);
}
}
五、配置 mapper 的xml文件
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd" >
<mapper namespace="com.tool.springBoot.dao.TestDao">
<select id="findAll" resultType = "com.tool.springBoot.vo.StudentVO">
select * from student;
</select>
</mapper>
六、controller
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import com.tool.springBoot.service.TestService;
@Controller
public class TestController {
@Autowired
private TestService testService;
@RequestMapping("/hello")
public String index() {
testService.testMybatis();
return "hello";
}
}
七、service
import com.tool.springBoot.vo.User;
public interface TestService {
public String testMybatis();
}
@Component
public class TestServiceImpl implements TestService{
@Autowired
private TestDao testDao;
@Override
public void testMybatis() {
testDao.findAll();
}
}
八、dao
import java.util.List;
import org.apache.ibatis.annotations.Mapper;
import com.tool.springBoot.vo.StudentVO;
@Mapper
public interface TestDao {
public List<StudentVO> findAll();
}