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Java 读取资源文件

程序员文章站 2022-04-28 18:59:58
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package com.test;

import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.util.Properties;

/**
 * 资源文件的读取
 */
public class ReadProperties {
	private Properties properties;

	public ReadProperties() {
		loadPropertiesFile("/prj.properties");
	}

	/**
	 * 加载属性文件
	 * 
	 * @param path
	 */
	public void loadPropertiesFile(String path) {
		properties = new Properties();
		InputStream inStream = null;
		try {
			//inStream = new FileInputStream(path);//path = src/prj.properties
			inStream = ReadProperties.class.getResourceAsStream(path);//path = /prj.properties
			properties.load(inStream);
		} catch (FileNotFoundException e) {
			System.out.println("properties file open error!");
			e.printStackTrace();
		} catch (Exception e) {
			System.out.println("properties file load error!");
			e.printStackTrace();
		} finally {
			if (null != inStream) {
				try {
					inStream.close();
				} catch (IOException e) {
					System.out.println("properties file close error!");
					e.printStackTrace();
				}
			}
		}
	}

	public String getValue(String key) {
		String result = null;
		result = (String) properties.get(key);
		return result;
	}

	public static void main(String[] args) {
		ReadProperties readProperties = new ReadProperties();
		System.out.println(readProperties.getValue("name"));
	}
}
相关标签: Java