package com.lxk.propertyFileTest; import java.io.*; import java.util.Properties; /** * 读写properties文件测试 * <p> * Created by lxk on 2017/4/25 */ public class Main { public static void main(String[] args) { Properties prop = new Properties(); InputStream in = null; FileOutputStream oFile = null; try { in = new BufferedInputStream(new FileInputStream("D:config.properties")); //prop.load(in);//直接这么写,如果properties文件中有汉子,则汉字会乱码。因为未设置编码格式。 prop.load(new InputStreamReader(in, "utf-8")); for (String key : prop.stringPropertyNames()) { System.out.println(key + ":" + prop.getProperty(key)); } //保存属性到b.properties文件 oFile = new FileOutputStream("b.properties", false);//true表示追加打开,false每次都是清空再重写 prop.setProperty("phone", "10086"); //prop.store(oFile, "此参数是保存生成properties文件中第一行的注释说明文字");//这个会两个地方乱码 //prop.store(new OutputStreamWriter(oFile, "utf-8"), "汉字乱码");//这个就是生成的properties文件中第一行的注释文字乱码 prop.store(new OutputStreamWriter(oFile, "utf-8"), "lll"); } catch (Exception e) { System.out.println(e.getMessage()); } finally { if (in != null) { try { in.close(); } catch (IOException e) { System.out.println(e.getMessage()); } } if (oFile != null) { try { oFile.close(); } catch (IOException e) { System.out.println(e.getMessage()); } } } } }