加载文件的两种方式

1，文件在具体的包下

ClassLoader loader = this.getClass().getClassLoader();
InputStream is = loader.getResourceAsStream("com\atguigu\java\jdbc.properties");

2，文件在当前工程下

FileInputStream is = new FileInputStream(new File("jdbc1.properties"));

如下图：

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//法一：
ClassLoader loader = this.getClass().getClassLoader();
InputStream is = loader.getResourceAsStream("com\atguigu\java\jdbc.properties");
//法二：
// FileInputStream is = new FileInputStream(new File("jdbc1.properties"));

Properties pros = new Properties();
pros.load(is);
String name = pros.getProperty("user");
System.out.println(name);

String password = pros.getProperty("password");
System.out.println(password);