java 读取 properties 配置文件 备忘

/**
*
* 创建人：houying

* 创建日期：2009-4-28 上午09:27:53
* MSN:
* Email:
*
*/
package com.properties;

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("config.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);

}

/**
* create time：2009-4-28 上午09:27:53
* @param args
*/
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"));
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}

}