java ReadProperties

package propertyFile;

import java.util.*;
import java.io.*;
 
public class ReadProperties {

		private InputStream configFile;
		private Properties props;

		public ReadProperties(){
		}

		public String getProperty(String property){
			return props.getProperty(property);
		}

		public void loadConfig() throws IOException{
			//当前类文件目录下的文件
			configFile = getClass().getResourceAsStream("purseConfig.properties");
			props = new Properties();
			props.load(configFile);
		}

		public void loadConfig(String fileName) throws IOException{
			configFile = (InputStream) new FileInputStream(new File(fileName));
			props = new Properties();
			props.load(configFile);
		}

	        public void setProp(String name,String value)
	        {
	            if (props==null)
	                props = new Properties();
	            props.put(name,value);

	        }

	 
	public static void main(String[] args) {
		// TODO Auto-generated method stub
//		try {
//			ReadProperties pro = new ReadProperties();
//			//pro.loadConfig("F:/workspace/Study/src/com/properties/Config.properties");
//			pro.loadConfig();
//			System.out.println(pro.getProperty("name"));
//			System.out.println(pro.getProperty("APPKEY"));
 //		} catch (IOException e) {
//			// TODO Auto-generated catch block
//			e.printStackTrace();
//		}
		ReadProperties pro = new ReadProperties();
		System.out.println(pro.getPropertyByName("name"));
		System.out.println(pro.getPropertyByName("APPKEY"));
 	}

	public static String getPropertyByName(String strName){
		String str = "";
		try {
			ReadProperties pro = new ReadProperties();
			pro.loadConfig();
			str = pro.getProperty(strName);
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		return str;
	}
	
	public static String getPropertyAPPKEY(){
		String str = "";
		try {
			ReadProperties pro = new ReadProperties();
			pro.loadConfig();
			str = pro.getProperty("APPKEY");
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		return str;
	}

 

 

 

purseConfig.properties

内容为:

 

APPKEY=n7u