package com.steerinfo.dil.util;


import java.security.MessageDigest;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.SimpleTimeZone;

/**
 * @author luobang
 * @create 2021-10-29 10:16
 */

    public class MD5Util {
        /***
         * MD5加密 生成32位md5码
         *
         * @param inStr 待加密字符串
         * @return 返回32位md5码
         */
        public static String md5Encode(String inStr) throws Exception {
            MessageDigest md5 = null;
            try {
                md5 = MessageDigest.getInstance("MD5");
            } catch (Exception e) {
                System.out.println(e.toString());
                e.printStackTrace();
                return "";
            }

            byte[] byteArray = inStr.getBytes("UTF-8");
            byte[] md5Bytes = md5.digest(byteArray);
            StringBuffer hexValue = new StringBuffer();
            for (int i = 0; i < md5Bytes.length; i++) {
                int val = ((int) md5Bytes[i]) & 0xff;
                if (val < 16) {
                    hexValue.append("0");
                }
                hexValue.append(Integer.toHexString(val));
            }
            return hexValue.toString();
        }

        public static String formatTimeTmp(){
            SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyyMMddHHmmss");
            Date date = new Date();
            String timeTmp = simpleDateFormat.format(date);
            return timeTmp;
        }

        public static String sign(String AppId,String secretKey) throws Exception {
            String instr = AppId + secretKey + formatTimeTmp();
            return md5Encode(instr);
        }


        /**
         *测试
         * @throws Exception
         */
        public static void main(String[] args) throws Exception {
            String ApiId = "EUCP-EMY-SMS1-10QNI";
            String sererct = "EE20B0B28B75E567";
            System.out.println(formatTimeTmp());
            System.out.println(sign(ApiId,sererct));
        }


    }