新增 spring-jdbc 样例

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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<?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>

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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;
}

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@ -0,0 +1,16 @@
package com.heibaiying.bean;
import lombok.Data;
/**
* @author : heibaiying
* @description :
*/
@Data
public class Relation {
private String id;
private String name;
}

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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;
}

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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[]{"/"};
}
}

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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;
}
}

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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;
}
}

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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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@ -0,0 +1,14 @@
package com.heibaiying.dao.impl;
import com.heibaiying.bean.Relation;
import java.util.List;
/**
* @author : heibaiying
* @description :
*/
public interface MysqlDao {
List<Relation> get();
}

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@ -0,0 +1,13 @@
package com.heibaiying.dao.impl;
import com.heibaiying.bean.Flow;
import java.util.List;
/**
* @author : heibaiying
* @description :
*/
public interface OracleDao {
List<Flow> get();
}

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@ -0,0 +1,5 @@
# mysql 数据库配置
mysql.driverClassName=com.mysql.jdbc.Driver
mysql.url=jdbc:mysql://localhost:3306/mysql
mysql.username=root
mysql.password=root

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@ -0,0 +1,5 @@
# oracle 数据库配置
oracle.driverClassName=oracle.jdbc.driver.OracleDriver
oracle.url=jdbc:oracle:thin:@//IP地址:端口号/数据库实例名
oracle.username=用户名
oracle.password=密码

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@ -0,0 +1,36 @@
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());
}
}
}
}

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@ -0,0 +1,39 @@
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());
}
}
}
}

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@ -0,0 +1,84 @@
<?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>

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@ -0,0 +1,18 @@
package com.heibaiying.bean;
import lombok.Data;
/**
* @author : heibaiying
* @description :
*/
@Data
public class Flow {
private long id;
private long flowId;
private long plugId;
}

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@ -0,0 +1,16 @@
package com.heibaiying.bean;
import lombok.Data;
/**
* @author : heibaiying
* @description :
*/
@Data
public class Relation {
private String id;
private String name;
}

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@ -0,0 +1,42 @@
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;
}
}

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@ -0,0 +1,43 @@
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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@ -0,0 +1,14 @@
package com.heibaiying.dao.impl;
import com.heibaiying.bean.Relation;
import java.util.List;
/**
* @author : heibaiying
* @description :
*/
public interface MysqlDao {
List<Relation> get();
}

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@ -0,0 +1,13 @@
package com.heibaiying.dao.impl;
import com.heibaiying.bean.Flow;
import java.util.List;
/**
* @author : heibaiying
* @description :
*/
public interface OracleDao {
List<Flow> get();
}

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@ -0,0 +1,11 @@
# mysql 数据库配置
mysql.driverClassName=com.mysql.jdbc.Driver
mysql.url=jdbc:mysql://localhost:3306/mysql
mysql.username=root
mysql.password=root
# oracle 数据库配置
oracle.driverClassName=oracle.jdbc.driver.OracleDriver
oracle.url=jdbc:oracle:thin:@//IP地址:端口号/数据库实例名
oracle.username=用户名
oracle.password=密码

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@ -0,0 +1,45 @@
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:context="http://www.springframework.org/schema/context" xmlns:tx="http://www.springframework.org/schema/tx"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.1.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.xsd">
<!-- 开启注解包扫描-->
<context:component-scan base-package="com.heibaiying.*"/>
<!--指定配置文件的位置-->
<context:property-placeholder location="classpath:jdbc.properties"/>
<!--配置数据源-->
<bean id="dataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource">
<!--Mysql 配置-->
<!--<property name="driverClassName" value="${mysql.driverClassName}"/>
<property name="url" value="${mysql.url}"/>
<property name="username" value="${mysql.username}"/>
<property name="password" value="${mysql.password}"/>-->
<!--Oracle 配置-->
<property name="driverClassName" value="${oracle.driverClassName}"/>
<property name="url" value="${oracle.url}"/>
<property name="username" value="${oracle.username}"/>
<property name="password" value="${oracle.password}"/>
</bean>
<!--配置 jdbcTemplate -->
<bean id="jdbcTemplate" class="org.springframework.jdbc.core.JdbcTemplate">
<!--引用上面的数据源-->
<property name="dataSource" ref="dataSource"/>
</bean>
<!--定义事务管理器-->
<bean id="transactionManager"
class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<property name="dataSource" ref="dataSource"/>
</bean>
<!-- 开启事务注解@Transactional支持 -->
<tx:annotation-driven/>
</beans>

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@ -0,0 +1,24 @@
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee
http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd"
version="3.1">
<!--配置spring前端控制器-->
<servlet>
<servlet-name>springMvc</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<init-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:springApplication.xml</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>springMvc</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>
</web-app>

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@ -0,0 +1,9 @@
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
<title>index</title>
</head>
<body>
hello Spring !
</body>
</html>

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@ -0,0 +1,34 @@
package com.heibaiying.dao;
import com.heibaiying.bean.Relation;
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({"classpath:springApplication.xml"})
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());
}
}
}
}

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@ -0,0 +1,37 @@
package com.heibaiying.dao;
import com.heibaiying.bean.Flow;
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({"classpath:springApplication.xml"})
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());
}
}
}
}

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@ -402,7 +402,7 @@ public class Programmer {
```
注:@Data 是lombok包下的注解用来生成相应的set、get方法和全参、无参构造器,使得类的书写更为简洁。
注:@Data 是lombok包下的注解用来生成相应的set、get方法使得类的书写更为简洁。
2.新建ParamBindController.java 文件

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@ -394,7 +394,7 @@ public class Programmer {
```
注:@Data 是lombok包下的注解用来生成相应的set、get方法和全参、无参构造器,使得类的书写更为简洁。
注:@Data 是lombok包下的注解用来生成相应的set、get方法使得类的书写更为简洁。
2.新建ParamBindController.java 文件

View File

@ -4,6 +4,6 @@
<title>index</title>
</head>
<body>
INDEX!
hello Spring !
</body>
</html>