程序 我百度搜到了。。 - -但是不会转成窗体 我刚学不到3天。。只是上大一学了点C语言基础 让我写这个太难为我了- -
using System;
namespace CRC { public interface ICRC { long Value { get; } void Reset(); void Crc(int bval); void Crc(byte[] buffer); void Crc(byte[] buf, int off, int len);
} }
namespace CRC { /// <summary> /// CRC16 的摘要说明。 /// </summary> public class p { public static void Main() {
}
public class CRC16 : ICRC { #region CRC 16 位校验表
/// <summary> /// 16 位校验表 Upper 表 /// </summary> public ushort[] uppercrctab = new ushort[] { 0x0000,0x1231,0x2462,0x3653,0x48c4,0x5af5,0x6ca6,0x7e97, 0x9188,0x83b9,0xb5ea,0xa7db,0xd94c,0xcb7d,0xfd2e,0xef1f };
/// <summary> /// 16 位校验表 Lower 表 /// </summary> public ushort[] lowercrctab = new ushort[] { 0x0000,0x1021,0x2042,0x3063,0x4084,0x50a5,0x60c6,0x70e7, 0x8108,0x9129,0xa14a,0xb16b,0xc18c,0xd1ad,0xe1ce,0xf1ef }; #endregion
ushort crc = 0;
/// <summary> /// 校验后的结果 /// </summary> public long Value { get { return crc; } set { crc = (ushort)value; } }
/// <summary> /// 设置crc 初始值 /// </summary> public void Reset() { crc = 0; }
/// <summary> /// Crc16 /// </summary> /// <param name="ucrc"></param> /// <param name="buf"></param> public void Crc(ushort ucrc, byte[] buf) { crc = ucrc; Crc(buf); }
/// <summary> /// Crc16 /// </summary> /// <param name="bval"></param> public void Crc(int bval) { ushort h = (ushort)((crc >> 12) & 0x0f); ushort l = (ushort)((crc >> 8) & 0x0f); ushort temp = crc; temp = (ushort)(((temp & 0x00ff) << 8) | bval); temp = (ushort)(temp ^ (uppercrctab[(h - 1) + 1] ^ lowercrctab[(l - 1) + 1])); crc = temp; }
/// <summary> /// Crc16 /// </summary> /// <param name="buffer"></param> public void Crc(byte[] buffer) { Crc(buffer, 0, buffer.Length); }
/// <summary> /// Crc16 /// </summary> /// <param name="buf"></param> /// <param name="off"></param> /// <param name="len"></param> public void Crc(byte[] buf, int off, int len) { if (buf == null) { throw new ArgumentNullException("buf"); }
if (off < 0 || len < 0 || off + len > buf.Length) { throw new ArgumentOutOfRangeException(); } for (int i = off; i < len; i++) { Crc(buf[i]); } }
} } }
这代码贴的太难看了吧
你画个窗体,在窗体里调用这个方法就行了;那些控件编写编学就学会了。