目的：读取src下面的属性配置文件

 ReadProperties.java

import java.io.FileInputStream;

import java.io.IOException;

import java.util.Properties;

 

public class ReadProperties {

 

	public static void main(String[] args) throws IOException {

		Properties properties = new Properties();

		FileInputStream in = new FileInputStream("src/aksk.properties");

		properties.load(in);

		String ak = (String) properties.get("qiniu.ak");

		System.out.println(ak);

		in.close();

	}

}

aksk.properties