读取配置文件

Application.java:

import java.util.PropertyResourceBundle;
import java.util.ResourceBundle;

public class Application {

	private static PropertyResourceBundle prb;
	//static ClassLoader cl = Application.class.getClassLoader();
	
	public static final String jdbc_url = "jdbc_url";
	public static final String jdbc_username = "jdbc_username";
	public static final String jdbc_password = "jdbc_password";
	public static final String page_size = "page_size";
	public static final String jdbc_driver = "jdbc_driver";
	
	public Application() {
		
	}
	
	static{
		prb = (PropertyResourceBundle)ResourceBundle.getBundle("application");
	}
	
	public static String getString(String property){
		return prb.getString(property);
	}

}

 

 

application.properties

jdbc_driver = com.mysql.jdbc.Driver
jdbc_url = jdbc:mysql://localhost:3306/example
jdbc_username = root
jdbc_password = root

page_size = 20

 

 

读取方法：Application.getString(Application.jdbc_driver);