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spring+druid+mybatis samples

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罗祥
2018-12-24 17:41:04 +08:00
parent 5dd7bb57db
commit 01c25dd434
47 changed files with 3447 additions and 29 deletions
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18
spring/spring-druid-mybatis-annotation/src/main/java/com/heibaiying/bean/Flow.java Normal file
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package com.heibaiying.bean;
import lombok.Data;
/**
* @author : heibaiying
* @description :
*/
@Data
public class Flow {
private long id;
private long flowId;
private long plugId;
}

16
spring/spring-druid-mybatis-annotation/src/main/java/com/heibaiying/bean/Relation.java Normal file
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package com.heibaiying.bean;
import lombok.Data;
/**
* @author : heibaiying
* @description :
*/
@Data
public class Relation {
private String id;
private String name;
}

31
spring/spring-druid-mybatis-annotation/src/main/java/com/heibaiying/config/DataSourceConfig.java Normal file
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package com.heibaiying.config;
import lombok.Data;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.PropertySource;
/**
* @author : heibaiying
* @description :
*/
@Configuration
@PropertySource(value = "classpath:mysql.properties")
@Data
public class DataSourceConfig {
/**
* 感觉这种注入的方式并不够好
* 没有spring-boot中使用@ConfigurationProperties(prefix = "config")指定前缀注入的方式优雅
*/
@Value("${mysql.driverClassName}")
private String driverClassName;
@Value("${mysql.url}")
private String url;
@Value("${mysql.username}")
private String username;
@Value("${mysql.password}")
private String password;
}

23
spring/spring-druid-mybatis-annotation/src/main/java/com/heibaiying/config/DispatcherServletInitializer.java Normal file
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package com.heibaiying.config;
import org.springframework.web.servlet.support.AbstractAnnotationConfigDispatcherServletInitializer;
/**
* @author : heibaiying
*/
public class DispatcherServletInitializer extends AbstractAnnotationConfigDispatcherServletInitializer {
protected Class<?>[] getRootConfigClasses() {
return new Class[0];
}
protected Class<?>[] getServletConfigClasses() {
return new Class[]{ServletConfig.class};
}
protected String[] getServletMappings() {
return new String[]{"/"};
}
}

119
spring/spring-druid-mybatis-annotation/src/main/java/com/heibaiying/config/ServletConfig.java Normal file
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package com.heibaiying.config;
import com.alibaba.druid.pool.DruidDataSource;
import org.mybatis.spring.SqlSessionFactoryBean;
import org.mybatis.spring.mapper.MapperScannerConfigurer;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.io.support.PathMatchingResourcePatternResolver;
import org.springframework.jdbc.datasource.DataSourceTransactionManager;
import org.springframework.transaction.annotation.EnableTransactionManagement;
import org.springframework.web.servlet.config.annotation.DefaultServletHandlerConfigurer;
import org.springframework.web.servlet.config.annotation.EnableWebMvc;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
import java.io.IOException;
import java.sql.SQLException;
;
/**
* @author : heibaiying
*/
@Configuration
@EnableTransactionManagement // 开启声明式事务处理 等价于xml中<tx:annotation-driven/>
@EnableWebMvc
@ComponentScan(basePackages = {"com.heibaiying.*"})
public class ServletConfig implements WebMvcConfigurer {
/**
* 配置静态资源处理器
*/
public void configureDefaultServletHandling(DefaultServletHandlerConfigurer configurer) {
configurer.enable();
}
/**
* 配置druid 数据源
*/
@Bean
public DruidDataSource dataSource(DataSourceConfig sourceConfig) throws SQLException {
DruidDataSource dataSource = new DruidDataSource();
dataSource.setUrl(sourceConfig.getUrl());
dataSource.setUsername(sourceConfig.getUsername());
dataSource.setPassword(sourceConfig.getPassword());
// 配置获取连接等待超时的时间
dataSource.setMaxWait(60000);
// 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
dataSource.setTimeBetweenEvictionRunsMillis(2000);
// 配置一个连接在池中最小生存的时间，单位是毫秒
dataSource.setMinEvictableIdleTimeMillis(600000);
dataSource.setMaxEvictableIdleTimeMillis(900000);
/* validationQuery 用来检测连接是否有效的sql，要求是一个查询语句，常用select 'x'。
* 但是在 oracle 数据库下需要写成 select 'x' from dual 不然实例化数据源的时候就会失败,
* 这是由于oracle 和 mysql 语法间的差异造成的
*/
dataSource.setValidationQuery("select 'x'");
// 建议配置为true，不影响性能，并且保证安全性。申请连接的时候检测，如果空闲时间大于timeBetweenEvictionRunsMillis，执行validationQuery检测连接是否有效。
dataSource.setTestWhileIdle(true);
// 申请连接时执行validationQuery检测连接是否有效，做了这个配置会降低性能。
dataSource.setTestOnBorrow(false);
// 归还连接时执行validationQuery检测连接是否有效，做了这个配置会降低性能
dataSource.setTestOnReturn(false);
// 连接池中的minIdle数量以内的连接，空闲时间超过minEvictableIdleTimeMillis，则会执行keepAlive操作。
dataSource.setPhyMaxUseCount(100000);
/*配置监控统计拦截的filters Druid连接池的监控信息主要是通过StatFilter 采集的，
采集的信息非常全面，包括SQL执行、并发、慢查、执行时间区间分布等*/
dataSource.setFilters("stat");
return dataSource;
}
/**
* 配置mybatis 会话工厂
*
* @param dataSource 这个参数的名称需要保持和上面方法名一致 才能自动注入,因为
* 采用@Bean注解生成的bean 默认采用方法名为名称，当然也可以在使用@Bean时指定name属性
*/
@Bean
public SqlSessionFactoryBean sessionFactoryBean(DruidDataSource dataSource) throws IOException {
SqlSessionFactoryBean sessionFactoryBean = new SqlSessionFactoryBean();
sessionFactoryBean.setDataSource(dataSource);
PathMatchingResourcePatternResolver resolver = new PathMatchingResourcePatternResolver();
sessionFactoryBean.setMapperLocations(resolver.getResources("classpath*:/mappers/**/*.xml"));
sessionFactoryBean.setConfigLocation(resolver.getResource("classpath:mybatisConfig.xml"));
return sessionFactoryBean;
}
/**
* 配置mybatis 会话工厂
*/
@Bean
public MapperScannerConfigurer MapperScannerConfigurer() {
MapperScannerConfigurer configurer = new MapperScannerConfigurer();
configurer.setSqlSessionFactoryBeanName("sessionFactoryBean");
configurer.setBasePackage("com.heibaiying.dao");
return configurer;
}
/**
* 定义事务管理器
*/
@Bean
public DataSourceTransactionManager transactionManager(DruidDataSource dataSource) {
DataSourceTransactionManager manager = new DataSourceTransactionManager();
manager.setDataSource(dataSource);
return manager;
}
}

19
spring/spring-druid-mybatis-annotation/src/main/java/com/heibaiying/config/druid/DruidStatFilter.java Normal file
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package com.heibaiying.config.druid;
import com.alibaba.druid.support.http.WebStatFilter;
import javax.servlet.annotation.WebFilter;
import javax.servlet.annotation.WebInitParam;
/**
* @author : heibaiying
* @description : WebStatFilter用于采集web-jdbc关联监控的数据
*/
@WebFilter(filterName="druidWebStatFilter",urlPatterns="/*",
initParams={
@WebInitParam(name="exclusions",value="*.js,*.gif,*.jpg,*.bmp,*.png,*.css,*.ico,/druid/*")// 忽略资源
}
)
public class DruidStatFilter extends WebStatFilter {
}

19
spring/spring-druid-mybatis-annotation/src/main/java/com/heibaiying/config/druid/DruidStatViewServlet.java Normal file
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package com.heibaiying.config.druid;
import com.alibaba.druid.support.http.StatViewServlet;
import javax.servlet.annotation.WebInitParam;
import javax.servlet.annotation.WebServlet;
/**
* @author : heibaiying
* @description : 配置监控页面用户名密码
*/
@WebServlet(urlPatterns = "/druid/*",
initParams={
@WebInitParam(name="resetEnable",value="true"),
@WebInitParam(name="loginUsername",value="druid"),
@WebInitParam(name="loginPassword",value="druid")
})
public class DruidStatViewServlet extends StatViewServlet {
}

24
spring/spring-druid-mybatis-annotation/src/main/java/com/heibaiying/controller/MysqlController.java Normal file
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package com.heibaiying.controller;
import com.heibaiying.dao.MysqlDao;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RestController;
/**
* @author : heibaiying
* @description :
*/
@RestController
public class MysqlController {
@Autowired
private MysqlDao mysqlDao;
@GetMapping("relation/{id}")
public String get(@PathVariable(name = "id") String id) {
return mysqlDao.queryById(id).get(0).toString();
}
}

24
spring/spring-druid-mybatis-annotation/src/main/java/com/heibaiying/controller/OracleController.java Normal file
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package com.heibaiying.controller;
import com.heibaiying.dao.OracleDao;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RestController;
/**
* @author : heibaiying
* @description :
*/
@RestController
public class OracleController {
@Autowired
private OracleDao oracleDao;
@GetMapping("flow/{id}")
public String get(@PathVariable(name = "id") Long id) {
return oracleDao.queryById(id).get(0).toString();
}
}

17
spring/spring-druid-mybatis-annotation/src/main/java/com/heibaiying/dao/MysqlDao.java Normal file
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package com.heibaiying.dao;
import com.heibaiying.bean.Relation;
import org.apache.ibatis.annotations.Mapper;
import java.util.List;
/**
* @author : heibaiying
* @description :
*/
@Mapper
public interface MysqlDao {
List<Relation> queryById(String id);
}

16
spring/spring-druid-mybatis-annotation/src/main/java/com/heibaiying/dao/OracleDao.java Normal file
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package com.heibaiying.dao;
import com.heibaiying.bean.Flow;
import org.apache.ibatis.annotations.Mapper;
import java.util.List;
/**
* @author : heibaiying
* @description :
*/
@Mapper
public interface OracleDao {
List<Flow> queryById(long id);
}