private ushort msgBodyProperty; //消息体属性，详见JTT808-2013第4.4.3章节
#endregion
/// <summary>
/// MessageHead
/// </summary>
/// <param name="msgHead"></param>
public MessageHead(byte[] msgHead)
{
BytesConverter iBytesConverter = new BytesConverter();
int startIndex = 0;
int length;
try
{
//提取"消息ID"
MsgId = iBytesConverter.ToUShort(msgHead, startIndex);
length = iBytesConverter.returnLength;
startIndex = startIndex + length;
//提取"消息体属性"
msgBodyProperty = iBytesConverter.ToUShort(msgHead, startIndex);
length = iBytesConverter.returnLength;
startIndex = startIndex + length;
//提取"消息体属性"中的:消息体长度
MsgLength = Convert.ToUInt16(msgBodyProperty & 0x03FF);
//提取"消息体属性"中的:数据加密方式,并计算分析加密方式
encryption10 = Convert.ToBoolean(msgBodyProperty & 0x0400);
encryption11 = Convert.ToBoolean(msgBodyProperty & 0x0800);
encryption12 = Convert.ToBoolean(msgBodyProperty & 0x1000);
if (encryption10)
{
EncryptionType = "RSA";
}
else
{
EncryptionType = "unencrypted";
}
//提取"消息体属性"中的:分包
IsSubpackage = Convert.ToBoolean(msgBodyProperty & 0x2000);
//提取"消息体属性"中的:保留
Reserved = Convert.ToByte(msgBodyProperty & 0xC000);
//提取"终端手机号"
length = 6;
PhoneNumber = iBytesConverter.ToStringInBase(msgHead, startIndex, length, 16);
startIndex = startIndex + length;
//提取"消息流水号"
MsgSequence = iBytesConverter.ToUShort(msgHead, startIndex);
#region 打印结果
ConsoleColorPrint iPrint = new ConsoleColorPrint();
string[] iPrintStrings;
ConsoleColor[] iPrintConsoleColor;
//标题
Console.ForegroundColor = ConsoleColor.Gray;
Console.WriteLine("\n---消息头------------------");
//消息ID
iPrintStrings = new string[3] {
"消息ID：", "0x", MsgId.ToString("X4")
};
iPrintConsoleColor = new ConsoleColor[3] {
ConsoleColor.Magenta, ConsoleColor.White, ConsoleColor.White
};
iPrint.MultipleInOneLine(iPrintStrings, iPrintConsoleColor);
//消息体长度
iPrintStrings = new string[3] {
"消息体长度：", MsgLength.ToString(), "Bytes"
};
iPrintConsoleColor = new ConsoleColor[3] {
ConsoleColor.Magenta, ConsoleColor.White, ConsoleColor.White
};
iPrint.MultipleInOneLine(iPrintStrings, iPrintConsoleColor);
//数据加密方式
iPrint.DoubleInOneLine("数据加密方式：", ConsoleColor.Magenta, EncryptionType, ConsoleColor.White);
//分包
iPrint.DoubleInOneLine("分包：", ConsoleColor.Magenta, IsSubpackage.ToString(), ConsoleColor.White);
//保留
iPrint.DoubleInOneLine("保留：", ConsoleColor.Magenta, Reserved.ToString(), ConsoleColor.White);
//终端手机号
iPrint.DoubleInOneLine("终端手机号：", ConsoleColor.Magenta, PhoneNumber, ConsoleColor.White);
//消息流水号
iPrint.DoubleInOneLine("消息流水号：", ConsoleColor.Magenta, MsgSequence.ToString(), ConsoleColor.White);
#endregion
}
catch (Exception e)
{
throw new Exception($"{this.GetType().FullName}.{MethodBase.GetCurrentMethod().Name}异常:{e.Message}");
}
}
