微微工作室

import java.io.*;
import java.util.Properties;

/**
* Properties类测试
* User: xiaohui
* Date: 2008-11-4 21:04:54
*/
public class TestProperties {
public static void main(String args[]) throws IOException {
testProperties();
test1();
}

public static void testProperties() throws IOException {
System.out.println(“————testProperties————-“);
//将properties文件加载到输入字节流中 
InputStream is = new FileInputStream(“D:\\myprojects\\lession4\\src\\stu\\ttt.properties”);
//创建一个Properties容器 
Properties prop = new Properties();
//从流中加载properties文件信息 
prop.load(is);
//循环输出配置信息 
for (Object key : prop.keySet()) {
System.out.println(key + “=” + prop.get(key));
}

//定义一个输出流 
OutputStream os1 = new FileOutputStream(“C:\\ttt.xml”);
OutputStream os2 = new FileOutputStream(“C:\\ttt.properties”);

//从Properties对象导出导出到xml 
prop.storeToXML(os1, “我从properties导出的XML配置文件”);
//从Properties对象导出properties文件 
prop.store(os2, “我从properties导出的XML配置文件”);

is.close();
os1.close();
os2.close();

//从xml加载配置信息，填充Properties容器 
prop.loadFromXML(new FileInputStream(“C:\\ttt.xml”));
//循环输出配置信息 
System.out.println(“我从导出的xml加载配置文件信息！”);
for (Object key : prop.keySet()) {
System.out.println(key + “=” + prop.get(key));
}

//修改Properties对象，并持久化到一个文件 
prop.put(“呵呵呵”, “嘎嘎嘎”);
OutputStream os3 = new FileOutputStream(“C:\\ttt1.xml”);
prop.storeToXML(os3, “我从properties导出的XML配置文件”);
os3.close();
}

/**
* 以相对路径方式加载properties文件
*
* @throws IOException
*/
public static void test1() throws IOException {
System.out.println(“————test1————-“);
Properties p = new Properties();
p.load(TestProperties.class.getResourceAsStream(“/stu/ttt.properties”));
for (Object key : p.keySet()) {
System.out.println(key + “=” + p.get(key));
}
}
}

Process finished with exit code 0