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新增 spring-jdbc 样例

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This commit is contained in:
罗祥
2018-12-21 15:12:16 +08:00
parent af975f5eb1
commit 964df531a8
30 changed files with 823 additions and 3 deletions
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84
spring/spring-jdbc-annotation/pom.xml Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.heibaiying</groupId>
<artifactId>spring-jdbc</artifactId>
<version>1.0-SNAPSHOT</version>
<properties>
<spring-base-version>5.1.3.RELEASE</spring-base-version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<version>${spring-base-version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-beans</artifactId>
<version>${spring-base-version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-core</artifactId>
<version>${spring-base-version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-web</artifactId>
<version>${spring-base-version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>${spring-base-version}</version>
</dependency>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId>
<version>4.0.1</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<version>1.18.4</version>
<scope>provided</scope>
</dependency>
<!--jdbc 相关依赖包-->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-jdbc</artifactId>
<version>${spring-base-version}</version>
</dependency>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>8.0.13</version>
</dependency>
<!--单元测试相关依赖包-->
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.12</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-test</artifactId>
<version>${spring-base-version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>com.oracle</groupId>
<artifactId>ojdbc6</artifactId>
<version>11.2.0.3.0</version>
</dependency>
</dependencies>
</project>

18
spring/spring-jdbc-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-jdbc-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-jdbc-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;
}

22
spring/spring-jdbc-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[]{"/"};
}
}

62
spring/spring-jdbc-annotation/src/main/java/com/heibaiying/config/ServletConfig.java Normal file
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package com.heibaiying.config;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;;
import org.springframework.jdbc.core.JdbcTemplate;
import org.springframework.jdbc.datasource.DataSourceTransactionManager;
import org.springframework.jdbc.datasource.DriverManagerDataSource;
import org.springframework.transaction.annotation.EnableTransactionManagement;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
/**
* @author : heibaiying
*/
@Configuration
@EnableTransactionManagement // 开启声明式事务处理 等价于xml中<tx:annotation-driven/>
@ComponentScan(basePackages = {"com.heibaiying.*"})
public class ServletConfig implements WebMvcConfigurer {
@Autowired
private DataSourceConfig sourceConfig;
/**
* 配置数据源
*/
@Bean
public DriverManagerDataSource dataSource() {
DriverManagerDataSource dataSource = new DriverManagerDataSource();
dataSource.setDriverClassName(sourceConfig.getDriverClassName());
dataSource.setUrl(sourceConfig.getUrl());
dataSource.setUsername(sourceConfig.getUsername());
dataSource.setPassword(sourceConfig.getPassword());
return dataSource;
}
/**
* 配置jdbcTemplate
*
* @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 JdbcTemplate jdbcTemplate(DriverManagerDataSource dataSource) {
JdbcTemplate jdbcTemplate = new JdbcTemplate();
jdbcTemplate.setDataSource(dataSource);
return jdbcTemplate;
}
/**
* 定义事务管理器
*/
@Bean
public DataSourceTransactionManager transactionManager() {
DataSourceTransactionManager manager = new DataSourceTransactionManager();
manager.setDataSource(dataSource());
return manager;
}
}

42
spring/spring-jdbc-annotation/src/main/java/com/heibaiying/dao/MysqlDaoImpl.java Normal file
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package com.heibaiying.dao;
import com.heibaiying.bean.Relation;
import com.heibaiying.dao.impl.MysqlDao;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.jdbc.core.JdbcTemplate;
import org.springframework.jdbc.core.RowMapper;
import org.springframework.stereotype.Repository;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.List;
/**
* @author : heibaiying
* @description :
*/
@Repository
public class MysqlDaoImpl implements MysqlDao {
@Autowired
private JdbcTemplate jdbcTemplate;
/**
* 更多JDBC 的使用可以参考官方文档
* @see <a href="https://docs.spring.io/spring/docs/5.1.3.RELEASE/spring-framework-reference/data-access.html#jdbc-JdbcTemplate">JdbcTemplate</a>
*/
public List<Relation> get() {
List<Relation> relations = jdbcTemplate.query("select * from help_keyword where help_keyword_id = ? ", new Object[]{691},
new RowMapper<Relation>() {
public Relation mapRow(ResultSet rs, int rowNum) throws SQLException {
Relation relation = new Relation();
relation.setId(rs.getString("help_keyword_id"));
relation.setName(rs.getString("name"));
return relation;
}
});
return relations;
}
}

43
spring/spring-jdbc-annotation/src/main/java/com/heibaiying/dao/OracleDaoImpl.java Normal file
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package com.heibaiying.dao;
import com.heibaiying.bean.Flow;
import com.heibaiying.dao.impl.OracleDao;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.jdbc.core.JdbcTemplate;
import org.springframework.jdbc.core.RowMapper;
import org.springframework.stereotype.Repository;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.List;
/**
* @author : heibaiying
* @description :
*/
@Repository
public class OracleDaoImpl implements OracleDao {
@Autowired
private JdbcTemplate jdbcTemplate;
/**
* 更多JDBC 的使用可以参考官方文档
* @see <a href="https://docs.spring.io/spring/docs/5.1.3.RELEASE/spring-framework-reference/data-access.html#jdbc-JdbcTemplate">JdbcTemplate</a>
*/
public List<Flow> get() {
List<Flow> flows = jdbcTemplate.query("select * from APEX_030200.WWV_FLOW_CALS where ID = ? ", new Object[]{217584603977429772L},
new RowMapper<Flow>() {
public Flow mapRow(ResultSet rs, int rowNum) throws SQLException {
Flow flow = new Flow();
flow.setId(rs.getLong("ID"));
flow.setFlowId(rs.getLong("FLOW_ID"));
flow.setPlugId(rs.getLong("PLUG_ID"));
return flow;
}
});
return flows;
}
}

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spring/spring-jdbc-annotation/src/main/java/com/heibaiying/dao/impl/MysqlDao.java Normal file
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package com.heibaiying.dao.impl;
import com.heibaiying.bean.Relation;
import java.util.List;
/**
* @author : heibaiying
* @description :
*/
public interface MysqlDao {
List<Relation> get();
}

13
spring/spring-jdbc-annotation/src/main/java/com/heibaiying/dao/impl/OracleDao.java Normal file
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package com.heibaiying.dao.impl;
import com.heibaiying.bean.Flow;
import java.util.List;
/**
* @author : heibaiying
* @description :
*/
public interface OracleDao {
List<Flow> get();
}

5
spring/spring-jdbc-annotation/src/main/resources/mysql.properties Normal file
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# mysql <20><><EFBFBD>ݿ<EFBFBD><DDBF><EFBFBD><EFBFBD><EFBFBD>
mysql.driverClassName=com.mysql.jdbc.Driver
mysql.url=jdbc:mysql://localhost:3306/mysql
mysql.username=root
mysql.password=root

5
spring/spring-jdbc-annotation/src/main/resources/oracle.properties Normal file
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# oracle <20><><EFBFBD>ݿ<EFBFBD><DDBF><EFBFBD><EFBFBD><EFBFBD>
oracle.driverClassName=oracle.jdbc.driver.OracleDriver
oracle.url=jdbc:oracle:thin:@//IP<49><50>ַ:<3A>˿ں<CBBF>/<2F><><EFBFBD>ݿ<EFBFBD>ʵ<EFBFBD><CAB5><EFBFBD><EFBFBD>
oracle.username=<EFBFBD>û<EFBFBD><EFBFBD><EFBFBD>
oracle.password=<EFBFBD><EFBFBD><EFBFBD><EFBFBD>

36
spring/spring-jdbc-annotation/src/test/java/com/heibaiying/dao/MysqlDaoTest.java Normal file
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package com.heibaiying.dao;
import com.heibaiying.bean.Relation;
import com.heibaiying.config.DispatcherServletInitializer;
import com.heibaiying.config.ServletConfig;
import com.heibaiying.dao.impl.MysqlDao;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringRunner;
import java.util.List;
/**
* @author : heibaiying
* @description :
*/
@RunWith(SpringRunner.class)
@ContextConfiguration(classes = {DispatcherServletInitializer.class, ServletConfig.class})
public class MysqlDaoTest {
@Autowired
private MysqlDao mysqlDao;
@Test
public void get() {
List<Relation> relations = mysqlDao.get();
if (relations != null) {
for (Relation relation : relations) {
System.out.println(relation.getId() + " " + relation.getName());
}
}
}
}

39
spring/spring-jdbc-annotation/src/test/java/com/heibaiying/dao/OracleDaoTest.java Normal file
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package com.heibaiying.dao;
import com.heibaiying.bean.Flow;
import com.heibaiying.config.DispatcherServletInitializer;
import com.heibaiying.config.ServletConfig;
import com.heibaiying.dao.impl.OracleDao;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringRunner;
import java.util.List;
/**
* @author : heibaiying
* @description :
*/
@RunWith(SpringRunner.class)
@ContextConfiguration(classes = {DispatcherServletInitializer.class, ServletConfig.class})
public class OracleDaoTest {
/*注入接口时: 如果接口有多个实现类 可以用这个指定具体的实现类*/
@Qualifier("oracleDaoImpl")
@Autowired
private OracleDao oracleDao;
@Test
public void get() {
List<Flow> flows = oracleDao.get();
if (flows != null) {
for (Flow flow : flows) {
System.out.println(flow.getId() + " " + flow.getPlugId());
}
}
}
}