「转」H2 Database及java操作
2019-09-29 本文已影响0人
WXL_JIANSHU
官网
http://www.h2database.com/html/quickstart.html
SQL语句
https://www.cnblogs.com/h2-database/archive/2011/07/06/2581402.html
server服务式Demo
pom文件:
<dependencies>
<!-- Junit 依赖-->
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.11</version>
</dependency>
<!--spring整合JDBC的依赖 -->
<!-- https://mvnrepository.com/artifact/org.springframework/spring-jdbc -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-jdbc</artifactId>
<version>4.3.5.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<version>4.3.5.RELEASE</version>
</dependency>
<!--H2数据库-->
<!-- https://mvnrepository.com/artifact/com.h2database/h2 -->
<dependency>
<groupId>com.h2database</groupId>
<artifactId>h2</artifactId>
<version>RELEASE</version>
<scope>compile</scope>
</dependency>
</dependencies>
测试代码:
import java.sql.*;
/**
* Created by IntelliJ IDEA.
*
* @Author 爱笑的程序猿
* @Description: Java通过JDBC方式连接H2数据库
* @Data: Created in 13:38
*/
public class H2ConnTest2 {
//数据库连接URL,通过使用TCP/IP的服务器模式(远程连接)
private static final String JDBC_URL = "jdbc:h2:tcp://localhost/~/test";
//连接数据库时使用的用户名
private static final String USER = "sa";
//连接数据库时使用的密码
private static final String PASSWORD = "123";
//连接H2数据库时使用的驱动类,org.h2.Driver这个类是由H2数据库自己提供的,在H2数据库的jar包中可以找到
private static final String DRIVER_CLASS = "org.h2.Driver";
public static void main(String[] args) throws ClassNotFoundException, SQLException {
// 加载H2数据库驱动
Class.forName(DRIVER_CLASS);
// 根据连接URL,用户名,密码获取数据库连接
Connection conn = DriverManager.getConnection(JDBC_URL, USER, PASSWORD);
//如果存在USER_INFO表就先删除USER_INFO表
Statement stmt = conn.createStatement();
//创建TEST表
// stmt.execute("DROP IF EXISTS TABLE TEST");
//新增
stmt.executeUpdate("INSERT INTO TEST VALUES(3,'大日如来','男')");
stmt.executeUpdate("INSERT INTO TEST VALUES(4,'青龙','男')");
// //删除
// stmt.executeUpdate("DELETE FROM TEST WHERE name='大日如来'");
// //修改
// stmt.executeUpdate("UPDATE TEST SET name='孤傲苍狼' WHERE name='青龙'");
//查询
ResultSet rs = stmt.executeQuery("SELECT * FROM TEST");
//遍历结果集
while (rs.next()) {
System.out.println(rs.getString("id") + "," + rs.getString("name") + "," + rs.getString("sex"));
}
//释放资源
stmt.close();
//关闭连接
conn.close();
}
}
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原文链接:https://blog.csdn.net/qq_43147136/article/details/86610093