java项目读取properties的几种方式

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从网上搜集了java项目读取properties的几种方式：

1. IO文件流

public static void load1() throws Exception{    //文件真实路径        String fileName="E:/eclipse_workspace/LogToOracle/config/redisManage.properties";        Properties p=new Properties();        InputStream is=new FileInputStream(new File(fileName));        p.load(is);        System.out.println(p);    }

2. 相对路径

//相对路径    public static void load2() throws Exception{        Properties p=new Properties();        //InputStream is=ClassLoader.getSystemResourceAsStream("redisManage.properties");　　　　　InputStream is=Thread.currentThread().getContextClassLoader().getSystemResourceAsStream("redisManage.properties");        p.load(is);        System.out.println(p);    }        public static void load2_1() throws Exception{        Properties p=new Properties();        InputStream is=SourceLoader.class.getClassLoader().getSystemResourceAsStream("redisManage.properties");        p.load(is);        System.out.println(p);    }

3. 获取src（类包）下的properties

//相对于类路径  properties文件和java放在一起    public static void load3() throws Exception{        Properties p=new Properties();        //InputStream is=ClassLoader.getSystemResourceAsStream("redisManage.properties");        InputStream is=SourceLoader.class.getResourceAsStream("redisManage.properties");        p.load(is);        System.out.println(p);    }

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