签名工具类

package com.shzd.common.utils.utils;


import org.apache.commons.codec.digest.DigestUtils;

import java.util.TreeMap;


public class BBLSignUtils {

	public static String str2md5(String str){
		return DigestUtils.md5Hex(str);
	}

	public static String getSignStr(TreeMap<String, String> data){
		String signStr = "";
		for(String key : data.keySet()){
			signStr += data.get(key);
		}
		return signStr;
	}

	public static void main(String[] args) {
		TreeMap data = new TreeMap();
		data.put("appid", "");
		data.put("token", "");
		data.put("wc_appid", "");
		long currentTimestamp = UplDateUtils.getCurrentTimestamp();
		System.out.println(currentTimestamp);
		data.put("timestamp", String.valueOf(currentTimestamp));
		String signData = getSignStr(data);
		System.out.println(str2md5(signData));;

	}

}