Java签名

女爷i 2022-11-24 14:10 129阅读 0赞

public class SignUtils { 
    
        public static void main(String[] args) throws Exception { 
            TreeMap<String, String> params = new TreeMap<>();
            params.put("account", "13469967652");
            params.put("timestamp", "1595235495256");
            params.put("appId", "31476");
            params.put("password", "b8983c077f2690b76c96c49641f148b0");
            System.out.println(getSign("https://api.clife.cn/v1/account/login", "POST", "46cb70d61e34437ba24e2a99b89b5cf7", params, false));
        }
    
        public static String getSignFromObj(Object object, String api, String httpMethod, String appSecret, boolean upperOrLower) throws Exception { 
    
            Class clazz = object.getClass();
    
            Field[] declaredFields = clazz.getDeclaredFields();
    
            Map<String, String> params = new TreeMap<>();
    
            for (Field declaredField : declaredFields) { 
                if (Modifier.isStatic(declaredField.getModifiers()) || Modifier.isFinal(declaredField.getModifiers()) || Modifier.isTransient(declaredField.getModifiers())) { 
                    continue;
                }
                declaredField.setAccessible(true);
                Object value = declaredField.get(object);
                if (value == null) { 
                    value = "";
                }
                params.put(declaredField.getName(), value.toString());
            }
    
            params.remove("sign");
    
            StringBuilder buf = new StringBuilder();
            buf.append(httpMethod).append(api);
            for (Map.Entry<String, String> param : params.entrySet()) { 
                buf.append(param.getKey()).append("=").append(param.getValue()).append("&");
            }
            buf.append(appSecret);
            String sign = DigestUtils.md5Hex(buf.toString());
            if (upperOrLower) { 
                return StringUtils.upperCase(sign);
            }
            return sign;
        }
    
        public static String getSign(String api, String httpMethod, String appSecret, TreeMap<String, String> params, boolean upperOrLower) throws Exception { 
    
    
            StringBuilder buf = new StringBuilder();
            buf.append(httpMethod).append(api);
            for (Map.Entry<String, String> param : params.entrySet()) { 
                buf.append(param.getKey()).append("=").append(param.getValue()).append("&");
            }
            buf.append(appSecret);
            String data = buf.toString();
            System.out.println(data);
            String sign = DigestUtils.md5Hex(data);
            if (upperOrLower) { 
                return StringUtils.upperCase(sign);
            }
            return sign;
        }
    }