/// <summary>
/// 发送供水应急消息
/// </summary>
/// <param name="msg"></param>
/// <param name="netType"></param>
public void SendGSYJMsg(ICar car, string msg, string userName, byte netType = 0)
{
/// (car == null || msg == null) return;
if (car == null || msg == null)
{
return;
}
string head = "S01" + "01" + "01" + "!";
string content = head + userName + '&' + msg + "###";
int length = GbUnicode.GetGB2312Array(content).Length;
if (length > 896)
{
length = 896;
}
SendMessage(CommandID.DOWN_MSG_GSYJ, car, new object[] { car.MAC.ToSendString(16), (ushort)length, content.ToSendString(length) });
//string head = netType + "01" + "01" + "01" + "!";
//string content = head + userName + '&' + msg + "###";
//int len = -1;
//byte[] bs = NetTools.HostToNetworkOrderToBytes(content, -1);
//len = bs.Length;
//SendMessage(CommandID.DOWN_MSG_GSYJ, car, new object[] { car.MAC.ToSendString(16), (short)len, bs });
}
/// <summary>
/// 转换为网络字节序
/// </summary>
/// <returns></returns>
public static byte[] HostToNetworkOrderToBytes(string _string, int length)
{
if (length < -1)
{
throw new ArgumentOutOfRangeException(nameof(length), "长度不正确");
}
byte[] strBytes = new byte[length > -1 ? length : 0];
if (string.IsNullOrEmpty(_string))
{
return(strBytes);
}
byte[] array = GbUnicode.GetGB2312Array(_string);
if (length > -1)
{
int tmplength = array.Length > length ? length : array.Length;
for (var i = 0; i < tmplength; i++)
{
strBytes[i] = array[i];
}
return(strBytes);
}
else
{
return(array);
}
}
/// <summary>
/// 转换为主机字节序
/// </summary>
/// <returns></returns>
public static string NetworkToHostOrderFromBytesToString(byte[] value, int startIndex, int length)
{
if (value == null)
{
throw new ArgumentNullException(nameof(value), "数组不能为null");
}
if (startIndex < 0)
{
throw new ArgumentNullException(nameof(startIndex), "开始索引无效");
}
if (length < -1)
{
return(string.Empty);
}
if (length == -1)
{//自动查找结尾\0结束
for (int i = startIndex; i < value.Length; i++)
{
byte b = value[i];
if (b == '\0')
{
length = i + 1 - startIndex;
break;
}
}
}
//string str=Encoding.UTF8.GetString(value, startIndex, length);
//return str;
//List<char> charList = new List<char>();
//for (int i = startIndex; i < startIndex + length; i++)
//{
// charList.Add((char)value[i]);
//}
//return new string(charList.ToArray());
byte[] tmpbs = new byte[length];
Array.Copy(value, startIndex, tmpbs, 0, length);
return(GbUnicode.GetUnicodeString(tmpbs));
}
