properties使用

/**
     * @param args
     * @throws IOException 
     */
    public static void main(String[] args) throws IOException {
        // TODO Auto-generated method stub
        Properties props = new Properties();
        InputStream input = new FileInputStream(new File("D:/javaDevelop/oddjob-1.4.0-SNAPSHOT-src/oddjob-src/oddjob/src/target/classes/my.properties"));
        
        props.load(input);
        input.close();
        System.out.println(props.getProperty("aa"));
        System.out.println(props.getProperty("bb"));
        System.out.println(props.getProperty("cc"));
        OutputStream os =System.out;
        props.storeToXML(os, "fdasfsa");
        props.store(os, "putong");
        props.list(System.out);
    }

 1 package com.zuidaima;
 2 
 3 import java.io.File;
 4 import java.io.FileInputStream;
 5 import java.io.FileOutputStream;
 6 import java.io.IOException;
 7 import java.util.Properties;
 8 
 9 public class Main {
10 
11     public static void main(String[] args) {
12         Properties property = new Properties();
13         try {
14             File file = new File("c:/db.properties");
15             if (!file.exists()) {
16                 file.createNewFile();
17             }
18             // 写入
19             property.setProperty("database", "localhost");
20             property.setProperty("user", "zuidaima");
21             property.setProperty("password", "password");
22             property.store(new FileOutputStream(file), null);
23 
24             property.load(new FileInputStream(file));
25 
26             // 读取
27             System.out.println(property.getProperty("database"));
28             System.out.println(property.getProperty("user"));
29             System.out.println(property.getProperty("password"));
30         } catch (IOException e) {
31             e.printStackTrace();
32         }
33     }
34 }
35 
36