New file |
| | |
| | | package com.dsh.activity.util.akeylogin; |
| | | |
| | | import java.util.Map; |
| | | import java.util.TreeMap; |
| | | |
| | | public class SignUtil { |
| | | private static String charset = "utf8"; |
| | | |
| | | public static String getSign(Map<String, Object> data, String secret) { |
| | | if (data == null) { |
| | | return null; |
| | | } |
| | | //排序参数 |
| | | Map<String, Object> mappingList = new TreeMap<>(data); |
| | | StringBuilder plainText = new StringBuilder(); |
| | | mappingList.forEach((k, v) -> { |
| | | if (!"sign".equals(k) && !BaseUtils.isEmpty(v)) { |
| | | plainText.append(String.format("%s=%s&", k, v)); |
| | | } |
| | | }); |
| | | String substring = plainText.substring(0, plainText.length() - 1); |
| | | return Md5Util.MD5Encode(substring + secret, charset); |
| | | } |
| | | } |