java 读取properties里面内容

import java.io.FileInputStream;
import java.util.Properties;

public class PropertiesUtil {
public static Properties getConfig(){
Properties property = new Properties();
try {
property.load(new FileInputStream("src/config.properties"));
} catch (Exception e) {
e.printStackTrace();
}
return property;
}

public static String getPropertyParam(String key){
Properties property = new Properties();
try {
property.load(new FileInputStream("src/config.properties"));
} catch (Exception e) {
e.printStackTrace();
}
return property.getProperty(key);
}

public static void main(String[] args) {
System.out.println(PropertiesUtil.getPropertyParam("appCode"));
}
}