C#版的AMF消息封装

以下代码为转载

   1. class AMF_Post_Data  
   2.    {  
   3.        public List<byte> message;  
   4.   
   5.        /// <summary>  
   6.        /// 初始化Message  
   7.        /// </summary>  
   8.        /// <param name="at"></param>  
   9.        /// <param name="headers"></param>  
  10.        /// <param name="bodies"></param>  
  11.        public AMF_Post_Data(AMFType at, int headers, int bodies)  
  12.        {  
  13.            //AMF版本  
  14.            if (at == AMFType.AMF0)  
  15.            {  
  16.                message = new List<byte>(new byte[] { 0x00, 0x00 });  
  17.            }  
  18.            else if (at == AMFType.AMF3)  
  19.            {  
  20.                message = new List<byte>(new byte[] { 0x00, 0x03 });  
  21.            }  
  22.   
  23.            //header数量  
  24.            message.Add(BitConverter.GetBytes(headers)[1]);  
  25.            message.Add(BitConverter.GetBytes(headers)[0]);  
  26.            //body数量  
  27.            message.Add(BitConverter.GetBytes(bodies)[1]);  
  28.            message.Add(BitConverter.GetBytes(bodies)[0]);  
  29.        }  
  30.   
  31.        /// <summary>  
  32.        /// 添加Target  
  33.        /// </summary>  
  34.        /// <param name="target"></param>  
  35.        /// <param name="Response"></param>  
  36.        public void AddTargetAndResponse(string target, string Response)  
  37.        {  
  38.            //添加Target长度  
  39.            message.Add(BitConverter.GetBytes(target.Length)[1]);  
  40.            message.Add(BitConverter.GetBytes(target.Length)[0]);  
  41.            //添加Target内容  
  42.            message.AddRange(Encoding.Default.GetBytes(target));  
  43.   
  44.            //添加Response长度  
  45.            message.Add(BitConverter.GetBytes(Response.Length)[1]);  
  46.            message.Add(BitConverter.GetBytes(Response.Length)[0]);  
  47.            //添加Response内容  
  48.            message.AddRange(Encoding.Default.GetBytes(Response));  
  49.        }  
  50.   
  51.        /// <summary>  
  52.        /// 添加Body  
  53.        /// </summary>  
  54.        /// <param name="length"></param>  
  55.        /// <param name="Content"></param>  
  56.        public void AddBody(AMF_Post_Data_Body apdb)  
  57.        {  
  58.            message.AddRange(apdb.getLength());  
  59.            message.AddRange(apdb.Content.ToArray());  
  60.        }  
  61.    }  
  62.   
  63.    class AMF_Post_Data_Body  
  64.    {  
  65.        private byte[] length = new byte[4];  
  66.        public List<byte> Content = new List<byte>();  
  67.   
  68.        /// <summary>  
  69.        /// 初始化Body  
  70.        /// </summary>  
  71.        /// <param name="dt"></param>  
  72.        /// <param name="ArrayLength"></param>  
  73.        public AMF_Post_Data_Body(DataType dt, int ArrayLength)  
  74.        {  
  75.            //添加类型标识  
  76.            Content.Add((byte)dt);  
  77.   
  78.            //数组的话添加长度  
  79.            if (dt == DataType.Array)  
  80.            {  
  81.                Content.Add(BitConverter.GetBytes(ArrayLength)[3]);  
  82.                Content.Add(BitConverter.GetBytes(ArrayLength)[2]);  
  83.                Content.Add(BitConverter.GetBytes(ArrayLength)[1]);  
  84.                Content.Add(BitConverter.GetBytes(ArrayLength)[0]);  
  85.            }  
  86.        }  
  87.   
  88.        public void AddData(DataType dt, string value)  
  89.        {  
  90.            //添加类型标识  
  91.            Content.Add((byte)dt);  
  92.   
  93.            switch (dt)  
  94.            {  
  95.                case DataType.Number:  
  96.                    AddData_Number(double.Parse(value));  
  97.                    break;  
  98.                case DataType.String:  
  99.                    AddData_String(value);  
 100.                    break;  
 101.                case DataType.Boolean:  
 102.                    AddData_Boolean(Boolean.Parse(value));  
 103.                    break;  
 104.            }  
 105.        }  
 106.  
 107.        #region 更种类型处理方法  
 108.        /// <summary>  
 109.        /// Boolean  
 110.        /// </summary>  
 111.        /// <param name="p"></param>  
 112.        private void AddData_Boolean(bool p)  
 113.        {  
 114.            if (p)  
 115.                Content.Add(0x01);  
 116.            else  
 117.                Content.Add(0x00);  
 118.        }  
 119.        /// <summary>  
 120.        /// String  
 121.        /// </summary>  
 122.        /// <param name="value"></param>  
 123.        private void AddData_String(string value)  
 124.        {  
 125.            //添加长度  
 126.            Content.Add(BitConverter.GetBytes(value.Length)[1]);  
 127.            Content.Add(BitConverter.GetBytes(value.Length)[0]);  
 128.            //添加内容  
 129.            Content.AddRange(Encoding.Default.GetBytes(value));  
 130.        }  
 131.        /// <summary>  
 132.        /// Number  
 133.        /// </summary>  
 134.        /// <param name="p"></param>  
 135.        private void AddData_Number(double p)  
 136.        {  
 137.            byte[] b = new byte[8];  
 138.            b = BitConverter.GetBytes(p);  
 139.            for (int i = 7; i > -1; i--)  
 140.            {  
 141.                Content.Add(b[i]);  
 142.            }  
 143.        }  
 144.        #endregion  
 145.   
 146.        public byte[] getLength()  
 147.        {  
 148.            length[0] = BitConverter.GetBytes(Content.Count)[3];  
 149.            length[1] = BitConverter.GetBytes(Content.Count)[2];  
 150.            length[2] = BitConverter.GetBytes(Content.Count)[1];  
 151.            length[3] = BitConverter.GetBytes(Content.Count)[0];  
 152.   
 153.            return length;  
 154.        }  
 155.    }  
 156.  
 157.    #region 类型枚举  
 158.    public enum AMFType  
 159.    {  
 160.        AMF0,  
 161.        AMF3  
 162.    }  
 163.   
 164.    public enum DataType  
 165.    {  
 166.        Number = 0,  
 167.        Boolean = 1,  
 168.        String = 2,  
 169.        UntypedObject = 3,  
 170.        MovieClip = 4,  
 171.        Null = 5,  
 172.        Undefined = 6,  
 173.        ReferencedObject = 7,  
 174.        MixedArray = 8,  
 175.        End = 9,  
 176.        Array = 10,//0x0A  
 177.        Date = 11,//0x0B  
 178.        LongString = 12,//0x0C  
 179.        TypeAsObject = 13,//0x0D  
 180.        Recordset = 14,//0x0E  
 181.        Xml = 15,//0x0F  
 182.        TypedObject = 16,//0x10  
 183.        AMF3data = 17//0x11  
 184.    }  
 185.    #endregion