北京网站建设认知,百度推广找谁,dw个人网站制作,最便宜服装网站建设展开全部在项目中经常用到各种配置文件62616964757a686964616fe78988e69d8331333337623561#xff0c;有.properties的#xff0c;也有.xml格式的都可以通过java.utils.Property类进行处理。1. 读取.properties文件File pFile new File(test.properties);FileIn…展开全部在项目中经常用到各种配置文件62616964757a686964616fe78988e69d8331333337623561有.properties的也有.xml格式的都可以通过java.utils.Property类进行处理。1. 读取.properties文件File pFile new File(test.properties);FileInputStream pInStreamnull;try {pInStream new FileInputStream(pFile );} catch (FileNotFoundException e) {e.printStackTrace();}Properties p new Properties();try {p.load(pInStream );} catch (IOException e) {e.printStackTrace();}Enumeration enu p.propertyNames(); //取出所有的keyp.list(System.out) ;while(enu.hasMoreElements()){String thisKey (String)enu.nextElement();System.out.println(keythisKey);System.out.println(valuep.getProperty(thisKey));}.properties测试文件内容如下name tinyfunage 25sex mantitle software developer2. 读取XML文件File pFile new File(test.xml);FileInputStream pInStream null;try {pInStream new FileInputStream(pFile);Properties p new Properties();p.loadFromXML(pInStream);p.list(System.out);} catch (IOException e) {e.printStackTrace();}xml文件如下?xml version1.0 encodingUTF-8 standaloneno?properties SYSTEM http://java.sun.com/dtd/properties.dtdtest25tinyfunmansoftware developer3. 写入XML文件Properties p new Properties();p.setProperty(name,tinyfun);p.setProperty(age,25);p.setProperty(sex,man);p.setProperty(title,software developer);try{PrintStream fW new PrintStream(new File(test.xml));p.storeToXML(fW,test);} catch (IOException e) {e.printStackTrace();}4. 写入.properties文件Properties p new Properties();p.setProperty(name,tinyfun);p.setProperty(age,25);p.setProperty(sex,man);p.setProperty(title,software developer);try{PrintStream fW new PrintStream(new File(test.properties));p.list(fW ); }catch (IOException e) {e.printStackTrace();}
