springBoot 链接clickhouse
时间: 2023-10-16 19:11:04 浏览: 138
要在Spring Boot应用程序中链接ClickHouse数据库,需要执行以下步骤:
1. 添加ClickHouse JDBC驱动程序的Maven依赖项:
```xml
<dependency>
<groupId>ru.yandex.clickhouse</groupId>
<artifactId>clickhouse-jdbc</artifactId>
<version>0.3.0</version>
</dependency>
```
2. 在`application.properties`文件中添加ClickHouse数据库的连接信息:
```properties
spring.datasource.url=jdbc:clickhouse://localhost:8123/mydatabase
spring.datasource.driver-class-name=ru.yandex.clickhouse.ClickHouseDriver
spring.datasource.username=myuser
spring.datasource.password=mypassword
```
3. 在Spring Boot应用程序中使用ClickHouse的JdbcTemplate:
```java
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.jdbc.core.JdbcTemplate;
import org.springframework.stereotype.Component;
@Component
public class ClickHouseDao {
private final JdbcTemplate jdbcTemplate;
@Autowired
public ClickHouseDao(JdbcTemplate jdbcTemplate) {
this.jdbcTemplate = jdbcTemplate;
}
public void queryData() {
String sql = "SELECT * FROM mytable";
List<Map<String, Object>> result = jdbcTemplate.queryForList(sql);
// 处理查询结果
}
public void insertData() {
String sql = "INSERT INTO mytable (col1, col2) VALUES (?, ?)";
jdbcTemplate.update(sql, "value1", "value2");
// 处理插入结果
}
}
```
以上就是在Spring Boot应用程序中链接ClickHouse数据库的步骤。
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