配置文件读取

package com.demo.util;

import org.apache.commons.lang3.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.io.InputStreamReader;
import java.util.Properties;

public class PropertiesUtil {
    public static Logger logger= LoggerFactory.getLogger(PropertiesUtil.class);
    private static Properties properties;
    static {
        String passwordSalt="utilpro.properties";
        properties=new Properties();
        try {
        properties.load(new InputStreamReader(PropertiesUtil.class.getClassLoader().getResourceAsStream(passwordSalt),"utf-8"));

        }catch (Exception exc){
            logger.error("读取配置文件失败",exc);
        }



    }
    public static String getProperty(String key){
        String value = properties.getProperty(key.trim());
        if(StringUtils.isBlank(value)){
            return null;
        }
        return value.trim();
    }

    public static String getProperty(String key,String defaultValue){
        String value = properties.getProperty(key.trim());
        if(StringUtils.isBlank(value)){
            value = defaultValue;
        }
        return value.trim();
    }
}