dsProject/dsGw/src/main/java/com/dsideal/gw/Util/CommonUtil.java

package com.dsideal.gw.Util;

import cn.hutool.core.io.IoUtil;
import org.apache.commons.codec.digest.DigestUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.util.*;

@SuppressWarnings("unchecked")
public class CommonUtil {
    //在独立的main函数中，使用下面的方式进行声明logback对象
    private static final Logger log = LoggerFactory.getLogger(CommonUtil.class);
    /**
     * 判断当前项目是否在jar包中
     *
     * @return 是/否
     */
    public static boolean isRunInJar() {
        String resourcePath = "/" + CommonUtil.class.getPackageName().replace(".", "/");
        URL url = CommonUtil.class.getResource(resourcePath);
        if (url.getProtocol().equals("jar")) {
            return true;
        }
        return false;
    }

    /**
     * 获取文本文件内容，兼容jar包与文件系统两种情况
     *
     * @param path 文件路径
     * @return 文件内容
     * @throws IOException
     */
     public static String txt2String(String path) {
        InputStream is = CommonUtil.class.getClassLoader().getResourceAsStream(path);
        return IoUtil.read(is, "UTF-8");
    }

    /**
     * 加签
     *
     * @param map
     * @return
     */
    public static String Sign(Map<String, Object> map, String signKey) {
        if (map == null) {
            return null;
        }
        List<String> keyList = new ArrayList<>(map.keySet());
        Collections.sort(keyList);
        StringBuffer sb = new StringBuffer();
        for (int i = 0; i < keyList.size(); i++) {
            String key = keyList.get(i);
            Object value = map.get(key);
            sb.append(key + "=" + value + "&");
        }
        String signStr = sb.substring(0, sb.length() - 1) + signKey;
        String md5Str = DigestUtils.md5Hex(signStr);
        return md5Str;
    }
}