/// <inheritdoc />
public static GroupMemberInfo GetGroupMemberInfo(long groupId, long qq)
{
try {
var data = CQAPI.CQ_getGroupMemberInfoV2(_cqauthcode, groupId, qq, 0);
var memberBytes = Convert.FromBase64String(data);
var info = new GroupMemberInfo();
var groupNumberBytes = new byte[8];
Array.Copy(memberBytes, 0, groupNumberBytes, 0, 8);
Array.Reverse(groupNumberBytes);
info.GroupId = BitConverter.ToInt64(groupNumberBytes, 0);
var qqNumberBytes = new byte[8];
Array.Copy(memberBytes, 8, qqNumberBytes, 0, 8);
Array.Reverse(qqNumberBytes);
info.Number = BitConverter.ToInt64(qqNumberBytes, 0);
var nameLengthBytes = new byte[2];
Array.Copy(memberBytes, 16, nameLengthBytes, 0, 2);
Array.Reverse(nameLengthBytes);
var nameLength = BitConverter.ToInt16(nameLengthBytes, 0);
var nameBytes = new byte[nameLength];
Array.Copy(memberBytes, 18, nameBytes, 0, nameLength);
info.NickName = Encoding.Default.GetString(nameBytes);
var cardLengthBytes = new byte[2];
Array.Copy(memberBytes, 18 + nameLength, cardLengthBytes, 0, 2);
Array.Reverse(cardLengthBytes);
var cardLength = BitConverter.ToInt16(cardLengthBytes, 0);
var cardBytes = new byte[cardLength];
Array.Copy(memberBytes, 20 + nameLength, cardBytes, 0, cardLength);
info.InGroupName = Encoding.Default.GetString(cardBytes);
var genderBytes = new byte[4];
Array.Copy(memberBytes, 20 + nameLength + cardLength, genderBytes, 0, 4);
Array.Reverse(genderBytes);
info.Gender = BitConverter.ToInt32(genderBytes, 0) == 0 ? "男" : " 女";
var ageBytes = new byte[4];
Array.Copy(memberBytes, 24 + nameLength + cardLength, ageBytes, 0, 4);
Array.Reverse(ageBytes);
info.Age = BitConverter.ToInt32(ageBytes, 0);
var areaLengthBytes = new byte[2];
Array.Copy(memberBytes, 28 + nameLength + cardLength, areaLengthBytes, 0, 2);
Array.Reverse(areaLengthBytes);
var areaLength = BitConverter.ToInt16(areaLengthBytes, 0);
var areaBytes = new byte[areaLength];
Array.Copy(memberBytes, 30 + nameLength + cardLength, areaBytes, 0, areaLength);
info.Area = Encoding.Default.GetString(areaBytes);
var addGroupTimesBytes = new byte[4];
Array.Copy(memberBytes, 30 + nameLength + cardLength + areaLength, addGroupTimesBytes, 0, 4);
Array.Reverse(addGroupTimesBytes);
info.JoinTime =
new DateTime(1970, 1, 1, 0, 0, 0).ToLocalTime()
.AddSeconds(BitConverter.ToInt32(addGroupTimesBytes, 0));
var lastSpeakTimesBytes = new byte[4];
Array.Copy(memberBytes, 34 + nameLength + cardLength + areaLength, lastSpeakTimesBytes, 0, 4);
Array.Reverse(lastSpeakTimesBytes);
info.LastSpeakingTime =
new DateTime(1970, 1, 1, 0, 0, 0).ToLocalTime()
.AddSeconds(BitConverter.ToInt32(lastSpeakTimesBytes, 0));
var levelNameLengthBytes = new byte[2];
Array.Copy(memberBytes, 38 + nameLength + cardLength + areaLength, levelNameLengthBytes, 0, 2);
Array.Reverse(levelNameLengthBytes);
var levelNameLength = BitConverter.ToInt16(levelNameLengthBytes, 0);
var levelNameBytes = new byte[levelNameLength];
Array.Copy(memberBytes, 40 + nameLength + cardLength + areaLength, levelNameBytes, 0, levelNameLength);
info.Level = Encoding.Default.GetString(levelNameBytes);
var authorBytes = new byte[4];
Array.Copy(memberBytes, 40 + nameLength + cardLength + areaLength + levelNameLength, authorBytes, 0, 4);
Array.Reverse(authorBytes);
var authority = BitConverter.ToInt32(authorBytes, 0);
info.Authority = authority.ToString();
var badBytes = new byte[4];
Array.Copy(memberBytes, 44 + nameLength + cardLength + areaLength + levelNameLength, badBytes, 0, 4);
Array.Reverse(badBytes);
info.HasBadRecord = BitConverter.ToInt32(badBytes, 0) == 1;
var titleLengthBytes = new byte[2];
Array.Copy(memberBytes, 48 + nameLength + cardLength + areaLength + levelNameLength, titleLengthBytes, 0,
2);
Array.Reverse(titleLengthBytes);
var titleLength = BitConverter.ToInt16(titleLengthBytes, 0);
var titleBytes = new byte[titleLength];
Array.Copy(memberBytes, 50 + nameLength + cardLength + areaLength + levelNameLength, titleBytes, 0,
titleLength);
info.Title = Encoding.Default.GetString(titleBytes);
var titleExpireBytes = new byte[4];
Array.Copy(memberBytes, 50 + nameLength + cardLength + areaLength + levelNameLength + titleLength,
titleExpireBytes, 0, 4);
Array.Reverse(titleExpireBytes);
info.TitleExpirationTime = BitConverter.ToInt32(titleExpireBytes, 0);
var modifyCardBytes = new byte[4];
Array.Copy(memberBytes, 54 + nameLength + cardLength + areaLength + levelNameLength + titleLength,
titleExpireBytes, 0, 4);
Array.Reverse(titleExpireBytes);
info.CanModifyInGroupName = BitConverter.ToInt32(modifyCardBytes, 0) == 1;
return(info);
} catch (Exception) {
//无法获取到群成员信息，直接返回null
return(null);
}
}
