IDEA 2019.2.3怎么创建H2数据库

打开idea软件

点击右下角的database按钮

接下来单击+按钮

点击Data Source按钮

在依次点击H2按钮

下载驱动，填写连接信息，点击测试连接，测试成功之后，，之后点击OK按钮

简单来说就是用jdbc:h2:mem:h2db来建立内存模式，并建表，

然后jdbc:h2:tcp://19216820141:8082/mem:h2db来访问上面的内存数据库

package test;

import javasqlConnection;

import javasqlDriverManager;

import javasqlResultSet;

import javasqlSQLException;

import javasqlStatement;

import orgh2toolsServer;

public class H2Demo {

private Server server;

private String port = "8082";

private static String sourceURL1 = "jdbc:h2:mem:h2db";

private static String sourceURL2 = "jdbc:h2:tcp://19216820141:8082/mem:h2db";

private String user = "shorturl";

private String password = "123456";

public void startServer() {

try {

Systemoutprintln("正在启动h2");

server = ServercreateTcpServer(

new String[] { "-tcpPort", port })start();

} catch (SQLException e) {

Systemoutprintln("启动h2出错：" + etoString());

// TODO Auto-generated catch block

eprintStackTrace();

throw new RuntimeException(e);

}

}

public void stopServer() {

if (server != null) {

Systemoutprintln("正在关闭h2");

serverstop();

Systemoutprintln("关闭成功");

}

}

public void useH2() {

try {

ClassforName("orgh2Driver");

Connection conn = DriverManagergetConnection(sourceURL1,user, password);

Statement stat = conncreateStatement();

// insert data

statexecute("CREATE MEMORY Table TEST(NAME VARCHAR)");

statexecute("INSERT INTO TEST VALUES('Hello World')");

//statexecute("delete mappedURL");

// use data

ResultSet result = statexecuteQuery("select name from test ");

int i = 1;

while (resultnext()) {

Systemoutprintln(i++ + ":" + resultgetString("name"));

}

resultclose();

statclose();

connclose();

} catch (Exception e) {

// TODO Auto-generated catch block

eprintStackTrace();

}

}

public void useH2i() {

try {

ClassforName("orgh2Driver");

//Connection conn = DriverManagergetConnection("jdbc:h2:" + dbDir+";AUTO_SERVER=TRUE;MVCC=TRUE",user, password);

Connection conn = DriverManagergetConnection(sourceURL2,user, password);

Statement stat = conncreateStatement();

// use data

ResultSet result = statexecuteQuery("select name from test");

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