1、JDBC
1)pom 依赖
<dependencies>
<dependency>
<groupId>org.apache.kylin</groupId>
<artifactId>kylin-jdbc</artifactId>
<version>2.5.1</version>
</dependency>
</dependencies>
2)编码
package com.alex.kylin;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
/**
* @author 黑猴子的家
*/
public class TestKylinJdbc {
public static void main(String[] args) throws Exception {
//Kylin_JDBC 驱动
String KYLIN_DRIVER = "org.apache.kylin.jdbc.Driver";
//Kylin_URL
String KYLIN_URL = "jdbc:kylin://hadoop102:7070/FirstProject";
//Kylin的用户名
String KYLIN_USER = "ADMIN";
//Kylin的密码
String KYLIN_PASSWD = "KYLIN";
//添加驱动信息
Class.forName(KYLIN_DRIVER);
//获取连接
Connection connection = DriverManager.getConnection(KYLIN_URL, KYLIN_USER, KYLIN_PASSWD);
//预编译SQL
PreparedStatement ps = connection.prepareStatement("SELECT sum(sal) FROM emp group by deptno");
//执行查询
ResultSet resultSet = ps.executeQuery();
//遍历打印
while (resultSet.next()) {
System.out.println(resultSet.getInt(1));
}
}
}
3)结果展示
2、Zepplin
1)Zepplin安装与启动
(1)将zeppelin-0.8.0-bin-all.tgz上传至Linux
(2)解压zeppelin-0.8.0-bin-all.tgz之/opt/module
[alex@hadoop102 sorfware]$ tar -xzvf zeppelin-0.8.0-bin-all.tgz -C /opt/module/
(3)修改名称
[alex@hadoop102 module]$ mv zeppelin-0.8.0-bin-all/ zeppelin
(4)启动
[alex@hadoop102 zeppelin]$ bin/zeppelin-daemon.sh start
2)访问
可登录网页查看,web默认端口号为8080
http://hadoop102:8080
3)配置Zepplin支持Kylin
(1)点击右上角anonymous选择Interpreter
(2)搜索Kylin插件并修改相应的配置
(3)修改完成点击Save完成
4)案例实操
需求:查询员工详细信息,并使用各种图表进行展示
(1)点击Notebook创建新的note
(2)填写Note Name点击Create
(3)输出sql语句
(4)执行查询
(5)查看结果
(6)图标形式展示
条形图
饼状图
折线图
散点图