代码如下:
package com.chen.system.util;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.Properties;
import com.chen.system.constanct.GenerateConstancts;
public class PropertiesUtil {
private static Properties properties = new Properties();
/**获取src下配置文件内容
*
* @author : 陈惟鲜
* @create_date :2013-11-21 下午2:34:44
* @param key
* @return
* @throws IOException
*/
public static synchronized String get(String key) throws IOException {
// ClassLoader cl = Thread.currentThread().getContextClassLoader();
if (properties.isEmpty())
{
// 获取编译后文件路径
String path = PropertiesUtil.class.getResource("/").toString().replace("file:/", "");
File rootFile = new File(path); // 读取路径下的文件
if (rootFile.isDirectory()) {
for (File file : rootFile.listFiles()) {
// 当文件名称为指定格式后,读取
if (file.getName().lastIndexOf(".properties") > 0) {
if (file.isFile()) {
InputStream is = new FileInputStream(file);
properties.load(is);
}
}
}
}
}
return properties.getProperty(key);
}
/**
* @author : 陈惟鲜
* @create_date :2013-11-20 下午3:22:25
* @param args
*/
public static void main(String[] args) {
// 获取配置文件信息
Properties properties = new Properties();
try {
System.out.println("结果:" + PropertiesUtil.get(GenerateConstancts.BEAN_NAME));
System.out.println("结果:" + PropertiesUtil.get("bb"));
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}