java后台读取配置文件中key与value -----demo2

/**
*
* @Title: getValue
* @Description: TODO
* @param key
* @return
import java.util.Properties;
* @return: String
*/
public static String getValue(String key){
Properties prop = new Properties();
InputStream in = new PropertiesUtil().getClass().getResourceAsStream("/children_task.properties");
try {
prop.load(in);

} catch (IOException e) {
e.printStackTrace();
}
return prop.getProperty(key);
}
public static void main(String[] args) {
System.out.println("channel="+getValue("channel"));
System.out.println("url="+getValue("url"));

}