public class SignUtil {
public static String sign(){
Map<String, Object> params = new HashMap<>();
params.put("key", key);
params.put("secret", secret);
params.put("userMobile", userMobile);
params.put("refereeMobile", refereeMobile);
StringBuilder builder = new StringBuilder();
Set<String> keysSet = params.keySet();
Object[] keys = keysSet.toArray();
Arrays.sort(keys);
boolean first = true;
for (Object key : keys) {
if (first) {
first = false;
} else {
builder.append("&");
}
builder.append(key).append("=");
Object value = params.get(key);
String str = "";
if (value != null) {
str = String.valueOf(value);
}
builder.append(str);
}
return DigestUtil.md5Hex(builder.toString()).toUpperCase();
}
}哪位大神熟悉2种语言的，不胜感激
