package com.it.test; import java.io.IOException; import java.util.Properties; import org.springframework.core.io.support.PropertiesLoaderUtils; /** * * 使用的版本为:spring-core-4.2.5.RELEASE.jar * @author it_zhaojie * */ public class Demo2 { public static void main(String[] args) { Properties properties = getProperties(); String property = properties.getProperty("jdbc.password"); System.out.println(property); } public static Properties getProperties() { Properties prop= null; try { prop = PropertiesLoaderUtils.loadAllProperties("jdbc.properties"); } catch (IOException e) { e.printStackTrace(); } return prop; } }
2.
import java.util.ResourceBundle; public static void main(String[] args) { ResourceBundle resourceBundle = ResourceBundle.getBundle("test-deacy"); String url = resourceBundle.getString("url"); String username = resourceBundle.getString("user"); String password = resourceBundle.getString("password"); }
3.
public class Demo1 { public static void main(String[] args) { Properties properties = System.getProperties(); String string = getString("url"); System.out.println(string); } private static String getString(String key) { return ResourceBundle.getBundle("test").getString(key); } }