springboot集成hive、mysql、druid、mybatis
时间: 2023-07-10 14:40:39 浏览: 64
Spring Boot可以通过整合Hive、MySQL、Druid和MyBatis来实现数据访问。以下是整合步骤:
1. 添加依赖
在pom.xml文件中添加需要的依赖。例如:
```
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-jdbc</artifactId>
</dependency>
<dependency>
<groupId>org.apache.hive</groupId>
<artifactId>hive-jdbc</artifactId>
<version>3.1.2</version>
</dependency>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
</dependency>
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>druid</artifactId>
<version>1.2.6</version>
</dependency>
<dependency>
<groupId>org.mybatis.spring.boot</groupId>
<artifactId>mybatis-spring-boot-starter</artifactId>
<version>2.2.0</version>
</dependency>
```
2. 添加数据源配置
在application.properties文件中添加数据源配置,例如:
```
# Hive数据源配置
spring.datasource.hive.url=jdbc:hive2://localhost:10000/default
spring.datasource.hive.username=hiveuser
spring.datasource.hive.password=hivepassword
spring.datasource.hive.driver-class-name=org.apache.hive.jdbc.HiveDriver
# MySQL数据源配置
spring.datasource.mysql.url=jdbc:mysql://localhost:3306/test
spring.datasource.mysql.username=root
spring.datasource.mysql.password=root
spring.datasource.mysql.driver-class-name=com.mysql.jdbc.Driver
# Druid数据源配置
spring.datasource.type=com.alibaba.druid.pool.DruidDataSource
spring.datasource.druid.initial-size=5
spring.datasource.druid.min-idle=5
spring.datasource.druid.max-active=20
spring.datasource.druid.test-on-borrow=true
spring.datasource.druid.test-while-idle=true
spring.datasource.druid.time-between-eviction-runs-millis=60000
spring.datasource.druid.min-evictable-idle-time-millis=300000
spring.datasource.druid.validation-query=SELECT 1
# MyBatis配置
mybatis.type-aliases-package=com.example.mybatis.model
mybatis.mapper-locations=classpath:mappers/*.xml
```
3. 配置Druid监控
在配置文件中添加Druid监控的相关配置,例如:
```
# Druid监控配置
spring.datasource.druid.stat-view-servlet.allow=true
spring.datasource.druid.stat-view-servlet.url-pattern=/druid/*
spring.datasource.druid.web-stat-filter.enabled=true
spring.datasource.druid.web-stat-filter.url-pattern=/*
spring.datasource.druid.web-stat-filter.exclusions=*.js,*.gif,*.jpg,*.bmp,*.png,*.css,*.ico,/druid/*
```
4. 编写MyBatis配置文件和Mapper接口
在resources目录下创建mybatis配置文件和Mapper接口。例如:
- mybatis-config.xml
```
<configuration>
<!-- 配置数据源 -->
<environments default="development">
<environment id="development">
<transactionManager type="JDBC" />
<dataSource type="POOLED">
<property name="driver" value="${spring.datasource.mysql.driver-class-name}" />
<property name="url" value="${spring.datasource.mysql.url}" />
<property name="username" value="${spring.datasource.mysql.username}" />
<property name="password" value="${spring.datasource.mysql.password}" />
</dataSource>
</environment>
</environments>
<!-- 配置Mapper接口 -->
<mappers>
<mapper resource="mappers/TestMapper.xml" />
</mappers>
</configuration>
```
- TestMapper.xml
```
<?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.example.mybatis.mapper.TestMapper">
<select id="findAll" resultType="Test">
SELECT * FROM test_table
</select>
</mapper>
```
- TestMapper.java
```
@Repository
public interface TestMapper {
List<Test> findAll();
}
```
5. 编写Hive和MySQL数据访问代码
在代码中通过JdbcTemplate或NamedParameterJdbcTemplate等Spring JDBC模板类访问Hive和MySQL数据。例如:
- Hive访问代码
```
@Autowired
@Qualifier("hiveJdbcTemplate")
private JdbcTemplate hiveJdbcTemplate;
public List<Map<String, Object>> queryHiveData() {
String sql = "SELECT * FROM table_name";
return hiveJdbcTemplate.queryForList(sql);
}
```
- MySQL访问代码
```
@Autowired
private TestMapper testMapper;
public List<Test> findAll() {
return testMapper.findAll();
}
```
6. 运行测试
完成以上配置和代码编写后,就可以运行测试了。
以上是整合Hive、MySQL、Druid和MyBatis的基本步骤,您可以根据实际情况进行调整和扩展。