java H2数据库使用并实现增删改查功能

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原文：java H2数据库使用并实现增删改查功能代码下载地址：http://www.zuidaima.com/share/1550463278058496.htm

package com.zuidaima.h2sql.test;import java.sql.Connection;import java.sql.DriverManager;import java.sql.ResultSet;import java.sql.SQLException;import java.sql.Statement;public class MainClass {/** * @param args         * @author www.zuidaima.com */public static void main(String[] args) {Statement stmt = null;Connection conn = null;try {Class.forName("org.h2.Driver");conn = DriverManager.getConnection("jdbc:h2:tcp://www.zuidaima.com:5435/mem:DBTest", "Guest","123456");// add application code herestmt = conn.createStatement();//String createSql = "create table product(product_id integer not null,title varchar2(30) not null,type_id integer not null,info varchar2(80),price number(16,2) not null,constraint product_pk primary key (product_id),constraint product_fk foreign key(type_id) references item(type_id)))";//stmt.executeUpdate(createSql);// 添加一条语句// String insertSql =// "insert into UserInfo values('刘尚','www.zuidaima.com','888888','true',15827288756,15827288756)";// stmt.executeUpdate(insertSql);// 删除一条记录// String deleteSql = "delete from USERINFO where UID = '刘尚1'";// stmt.executeUpdate(deleteSql);// 修改一条语句// String UpdateSql =// "UPDATE USERINFO  SET IP='www.zuidaima.com' ,  LINKID='11111' , ACTION='FALSE' ,  UPTIME=2121231 ,DOWNTIME=2121212 WHERE UID='刘尚'";// stmt.executeUpdate(deleteSql);ResultSet rs = stmt.executeQuery("SELECT * FROM UserInfo "); while (rs.next()) { System.out.println("Uid:" + rs.getString("Uid") + "\tIp:" + rs.getString("Ip") + "\tLinkId:" + rs.getString("LinkId") + "\tAction:" + rs.getBoolean("Action") + "\tUpTime:" + rs.getLong("UpTime") + "\tDownTime:" + rs.getLong("DownTime")); }} catch (Exception e) {e.printStackTrace();} finally {try {if (stmt != null) {stmt.close();stmt = null;}if (conn != null) {conn.close();conn = null;}} catch (SQLException e) {// TODO Auto-generated catch blocke.printStackTrace();}}}}

标签：数据库 H2 增删改查 CRUD java话题：数据库相关入门教程 Web开发

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