145 lines
5.0 KiB
C#
145 lines
5.0 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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namespace LangGuan.Services
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{
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public class HJ212_2017
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{
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/// <summary>
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/// 数据帧头
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/// </summary>
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public string header { get; set; }
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/// <summary>
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/// 数据长度
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/// </summary>
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public string data_length { get; set; }
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/// <summary>
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/// 数据头
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/// </summary>
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public Dictionary<string, string> DATA_HEAD { get; set; }
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/// <summary>
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///
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/// </summary>
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public Dictionary<string, string> CP { get; set; }
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/// <summary>
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/// CRC校验
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/// </summary>
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public string CRC { get; set; }
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/// <summary>
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///
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/// </summary>
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/// <param name="Text"></param>
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/// <returns></returns>
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public bool DecodeData(string Text)
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{
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try
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{
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if (Text.Length < 12 || !Text.StartsWith("##"))
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{
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Console.WriteLine("不是HJ212协议的报文!");
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return false;
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}
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Console.WriteLine($"开始解码数据");
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Text = Text.ToUpper().Replace(";CP=", "").Replace(" ", "");//有些厂家协议不很标准，有的大小写不一致，此处强制转大写字母
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header = Text.Substring(0, 2);
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data_length = Text.Substring(2, 4);
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string[] data_0 = Text.Substring(6, Text.Length - 6).Split(new char[] { '&', '&' }, StringSplitOptions.RemoveEmptyEntries);
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string[] data_1 = data_0[0].Split(new char[] { ';' });
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DATA_HEAD = new Dictionary<string, string>();
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for (int h = 0; h < data_1.Length; h++)
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{
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string[] d_1 = data_1[h].Split(new char[] { '=' });
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DATA_HEAD.Add(d_1[0], d_1[1]);
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}
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string[] data_2 = data_0[1].Split(new char[] { ';' });
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CP = new Dictionary<string, string>();
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for (int i = 0; i < data_2.Length; i++)
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{
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string[] d_6 = data_2[i].Split(new char[] { ',' });
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for (int j = 0; j < d_6.Length; j++)
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{
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string[] d_7 = d_6[j].Split(new char[] { '=' });
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CP.Add(d_7[0].Replace("-RTD", ""), d_7[1]);
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}
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}
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CRC = data_0[2];
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return true;
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}
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catch (Exception ex)
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{
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//数据接收不完整
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Console.WriteLine($" 解码失败：err：{ex},数据有问题，" + Text);
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//throw;
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return false;
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}
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}
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/// <summary>
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/// 判断数据是否通过校验
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/// </summary>
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/// <param name="Text">原始数据</param>
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/// <returns>是否通过</returns>
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public bool Crc16(string Text)
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{
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try
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{
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string CRC = Text.Substring(Text.Length - 4, 4);
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Text = Text.Substring(Text.IndexOf("QN"));
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Text = Text.Substring(0, Text.Length - 4);
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byte[] bytes = Encoding.ASCII.GetBytes(Text);
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int crcRegister = 0xFFFF;
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for (int i = 0; i < bytes.Length; i++)
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{
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crcRegister = (crcRegister >> 8) ^ bytes[i];
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for (int j = 0; j < 8; j++)
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{
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int check = crcRegister & 0x0001;
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crcRegister >>= 1;
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if (check == 0x0001)
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{
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crcRegister ^= 0xA001;
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}
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}
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}
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string result = string.Format("{0:X}", crcRegister);//转十六进制
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for (int i = result.Length; i < 4; i++)//补足 4 位
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{
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result = "0" + result;
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}
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//LogApi.WriteLog("计算校验码：" + result);
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if (result == CRC)
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{
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return true;
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}
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else
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{
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Console.WriteLine("校验码有误，" + CRC);
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Console.WriteLine("待校验数据：" + Text);
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Console.WriteLine("计算校验码：" + result);
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//LogApi.WriteLog("校验码有误：" + CRC);
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//LogApi.WriteLog("待校验数据：" + Text);
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//LogApi.WriteLog("计算校验码：" + result);
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return false;
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}
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}
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catch (Exception)
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{
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Console.WriteLine("数据校验：数据有问题：" + Text);
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//数据接收不完整
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return false;
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//throw;
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}
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}
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}
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}
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