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【Java】读取属性文件

作者:耀阳 / 发布于2016/3/30/ 874

/**
 * Created by liguoqing on 2016/1/21.
 */
public class PropertyUtils {
  
    /**
     * 读取指定属性文件中的对应key的value
     * @param fileName
     * @param key
     * @return
     */
    public static String readValue(String fileName, String key) {
        return findProperties(fileName).getProperty(key);
    }
  
    public static Properties findProperties(String fileName) {
        InputStream inputStream = PropertyUtils.class.getClassLoader().getResourceAsStream(fileName);
        Properties properties = new Properties();
        try {
            properties.load(inputStream);
        } catch (IOException e) {
            e.printStackTrace();
        }
        return properties;
    }
  
}


使用commons-configuration读取属性文件：
 
添加maven依赖：
 
<dependency>
    <groupId>commons-configuration</groupId>
    <artifactId>commons-configuration</artifactId>
    <version>1.6</version>
</dependency>
 
/**
 * Created by liguoqing on 2016/1/21.
 */
public class TestCommonProperties {
  
    @Test
    public void readProperties() {
        try {
            PropertiesConfiguration pc = new PropertiesConfiguration("redis.properties");
            String ip = pc.getString("redis.ip");
            String port = pc.getString("redis.port");
            String defaultDB = pc.getString("redis.default.db");
            System.out.println("ip=" + ip);
            System.out.println("port=" + port);
            System.out.println("defaultDB=" + defaultDB);
        } catch (ConfigurationException e) {
            e.printStackTrace();
        }
    }
}

试试其它关键字

　属性文件　

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