import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.util.Properties;public class PropertiesUtil {public static final String SAMPLE_XML = "sampleprops.xml";public static final String SAMPLE_PROPERTIES = "sample.properties";public static void main(String[] args) throws Exception{System.out.println("load：");load();System.out.println("loadFromXml：");loadFromXML();printPro();}public static void load() throws Exception{Properties pro = new Properties();pro.load(new FileInputStream(new File("F:/XXX/sample.properties")));pro.list(System.out);}public static void loadFromXML() throws Exception{Properties pro = new Properties();pro.loadFromXML(new FileInputStream(new File("F:/XXX/util/sample.xml")));pro.list(System.out);}public static void printPro() throws Exception{Properties pro = new Properties();pro.put("test_k_01", "test_v_01");pro.put("test_k_02", "test_v_02");pro.store(new FileOutputStream(new File("F:/XXX/test.properties")), "pro");pro.storeToXML(new FileOutputStream(new File("F:/XXX/test.xml")), "xml");}
}

解析的文件:

sample.properties

foo=bar
fu=baz

sample.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE properties SYSTEM "http://java.sun.com/dtd/properties.dtd">
<properties>
<comment>Hi</comment>
<entry key="foo">bar</entry>
<entry key="fu">baz</entry>
</properties>

生成的文件：

test.properties

#pro
#Tue Oct 13 20:36:42 CST 2015
test_k_02=test_v_02
test_k_01=test_v_01

test.xml

<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<!DOCTYPE properties SYSTEM "http://java.sun.com/dtd/properties.dtd">
<properties>
<comment>xml</comment>
<entry key="test_k_02">test_v_02</entry>
<entry key="test_k_01">test_v_01</entry>
</properties>