编写数据库连接配置文件,该怎么解决

编写数据库连接配置文件
开发环境：eclipse+tomcat
以往我连接数据库的参数都写在tomcat的conf/context.xml中。
我现在想把数据库的连接参数写在项目自己的配置文件中，我应该如何写？代码中应该如何调用？

[解决办法]
建个properties文件，在里面配置如“default.connection.username=root”，在类似jdbc中调用
[解决办法]

HTML code

<!DOCTYPE hibernate-configuration PUBLIC    "-//Hibernate/Hibernate Configuration DTD 3.0//EN"    "http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd"><hibernate-configuration>    <session-factory>        <property name="hibernate.connection.url">            jdbc:mysql://localhost/hibernate_fi        </property>        <property name="hibernate.connection.driver_class">            com.mysql.jdbc.Driver        </property>        <property name="hibernate.connection.username">root</property>        <property name="hibernate.connection.password">long</property>        <property name="hibernate.dialect">            org.hibernate.dialect.MySQLDialect        </property>        <property name="hibernate.show_sql">true</property>        <mapping resource="com/hibernate/User.hbm.xml" />    </session-factory></hibernate-configuration>
[解决办法]
getProperties()之类的东西是可以的
[解决办法]
Java code
jdbc.properties文件：jdbc.url=jdbc\:oracle\:thin\:@127.0.0.1\:1521\:orcljdbc.username=oraclejdbc.password=oraclejdbc.driverClassName=oracle.jdbc.driver.OracleDriver读取：    /***************************************************************************     * Loads the given properties file from disk. The file is assumed to reside     * in the path pointed to by the system property <CODE>idtrust.home</CODE>.     *      * @param propertiesFile     *            the name of the properties file     *      * @return The loaded <CODE>Properties</CODE> structure     */    public static Properties loadProperties(String propertiesFile)            throws Exception {        Properties props = null;        // propertiesFile = getPropertiesFile(propertiesFile);        // ----------------------------        // ...and if so, then load the values from that external file        InputStream in = null;        try {            in = new FileInputStream(propertiesFile);            props = new Properties();            props.load(in);                } catch (Exception e) {            props = null;        } finally {            if (in != null)                in.close();        }        return props;    }