初始化项目

This commit is contained in:
wangran
2026-01-07 09:23:54 +08:00
commit 2201f7bfef
3 changed files with 88 additions and 0 deletions

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.gitignore vendored Normal file
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target/
!.mvn/wrapper/maven-wrapper.jar
!**/src/main/**/target/
!**/src/test/**/target/
### IntelliJ IDEA ###
.idea/modules.xml
.idea/jarRepositories.xml
.idea/compiler.xml
.idea/libraries/
*.iws
*.iml
*.ipr
.idea
### Eclipse ###
.apt_generated
.classpath
.factorypath
.project
.settings
.springBeans
.sts4-cache
### NetBeans ###
/nbproject/private/
/nbbuild/
/dist/
/nbdist/
/.nb-gradle/
build/
!**/src/main/**/build/
!**/src/test/**/build/
### VS Code ###
.vscode/
### Mac OS ###
.DS_Store

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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.bigdata</groupId>
<artifactId>phoenix0106</artifactId>
<version>1.0-SNAPSHOT</version>
<properties>
<maven.compiler.source>8</maven.compiler.source>
<maven.compiler.target>8</maven.compiler.target>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
</properties>
<dependencies>
<dependency>
<groupId>org.apache.phoenix</groupId>
<artifactId>phoenix-client-hbase-2.4</artifactId>
<version>5.1.2</version>
</dependency>
</dependencies>
</project>

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package com.bigdata.phoenix;
import java.sql.*;
import java.util.Properties;
public class phoenixClient {
public static void main(String[] args) throws SQLException {
// 标准的 JDBC 代码
// 1.添加链接
String url = "jdbc:phoenix:hadoop102,hadoop103,hadoop104:2181";
// 2. 创建配置
// 没有需要添加的必要配置 因为 Phoenix 没有账号密码
Properties properties = new Properties();
// 3. 获取连接
Connection connection = DriverManager.getConnection(url, properties);
// 5.编译 SQL 语句
PreparedStatement preparedStatement = connection.prepareStatement("select * from student");
// 1.执行语句
ResultSet resultSet = preparedStatement.executeQuery(); // 7.输出结果
while (resultSet.next ()){
System.out.println(resultSet.getString(2) );
}
// 8.关闭资源
connection.close();
}
}