读取properties文件的工具类

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import java.io.IOException;
import java.io.InputStream;
import java.util.Properties;

/**
 * @author [email protected]
 * @date 2018/5/30 14:56
 */
public class PropertiesUtil {
    /*
    * 在properties文件中读取参数
    * @param propPath properties 文件路径
    * @param variableName 变量名
    * */

    public static String readValueFromProp(String propPath,String variableName){
        Properties prop = new Properties();
        InputStream in = PropertiesUtil.class.getClassLoader().getResourceAsStream(propPath);
        try {
            prop.load(in);
            return prop.getProperty(variableName).trim();
        }catch (IOException e){
            e.printStackTrace();
            return "properties file load failed";
        }
    }













}