H2创建内存数据库服务器，并启动Web控制台

写HelloWorld的方便工具。依靠初始化脚本，数据随时重置。交流起来，也方便。

maven

<dependency>

<groupId>com.h2database</groupId>

<artifactId>h2</artifactId>

<version>1.4.194</version>

</dependency>

web.xml中配置

<context-param>

<param-name>db.url</param-name>

<param-value>jdbc:h2:mem:test</param-value>

</context-param>

<context-param>

<param-name>db.user</param-name>

<param-value>sa</param-value>

</context-param>

<context-param>

<param-name>db.password</param-name>

<param-value>sa</param-value>

</context-param>

<context-param>

<param-name>db.tcpServer</param-name>

<param-value>-tcpAllowOthers</param-value>

</context-param>

<listener>

<listener-class>org.h2.server.web.DbStarter</listener-class>

</listener>

<servlet>

<servlet-name>H2Console</servlet-name>

<servlet-class>org.h2.server.web.WebServlet</servlet-class>

<init-param><param-name>webAllowOthers</param-name><param-value></param-value></init-param>

<init-param><param-name>trace</param-name><param-value></param-value></init-param>

</servlet>

<servlet-mapping>

<servlet-name>H2Console</servlet-name>

<url-pattern>/h2/*</url-pattern>

</servlet-mapping>