import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.net.URL;
import java.util.Properties;
public class Configuration {
private static Properties properties = new Properties();
static{
try{
/*方法一：通过配置文件的绝对路径
String confPath = System.getProperty("user.dir") + File.separator + "config" + File.separator + "config.properties";
BufferedReader bufferedReader = new BufferedReader(new FileReader(confPath));
properties.load(bufferedReader);
*/
/*方法二：通过搜索类路径，比如/xxx/xxx/config/config.properties，则启动程序时通过-cp指定类路径，即java -cp /xxx/xxx/config
*/
ClassLoader classLoader = Configuration.class.getClassLoader();
URL url = classLoader.getResource("config.properties");
BufferedReader bufferedReader = new BufferedReader(new FileReader(url.getPath()));
properties.load(bufferedReader);
}catch(Exception e){
e.printStackTrace();
}
}
public static String getProperty(String key){
return properties.getProperty(key);
}
public static String getProperty(String key, String defaultValue){
return properties.getProperty(key,defaultValue);
}
}
