下面分几部分介绍C#实现自动售货机接口的方法，代码写的非常详细，不懂的地方有注释可以参考下。

MachineJP类：

第1部分：串口初始化，串口数据读写

using System; using System.Collections.Generic; using System.IO.Ports; using System.Linq; using System.Text; using System.Threading; using System.Threading.Tasks; using System.Windows.Forms; using MachineJPDll.Models; using MachineJPDll.Utils; namespace MachineJPDll { /// <summary> /// 售货机接口(接口) /// </summary> public partial class MachineJP { #region 变量 /// <summary> /// 串口资源 /// </summary> private SerialPort m_SerialPort = null; /// <summary> /// 待发送给串口的命令列表 /// </summary> private List<Cmd> m_CommandList = new List<Cmd>(); /// <summary> /// 等待ACK_RPT或NAK_RPT的PC端向VMC端发送的消息列表 /// </summary> private List<MT> m_WaitResultMTList = new List<MT>(); /// <summary> /// 从串口接收的数据集合(数据已通过验证) /// </summary> private ReceiveDataCollection m_ReceiveDataCollection = new ReceiveDataCollection(); #endregion #region 构造函数与析构函数 /// <summary> /// 售货机接口(接口) /// </summary> public MachineJP() { } ~MachineJP() { if (m_SerialPort != null) { m_SerialPort.Close(); m_SerialPort.Dispose(); m_SerialPort = null; } } #endregion #region 读取串口数据 /// <summary> /// 读取串口数据 /// </summary> /// <returns>从串口读取的数据</returns> private byte[] ReadPort() { //读取串口数据 DateTime dt = DateTime.Now; while (m_SerialPort.BytesToRead < 2) { Thread.Sleep(1); if (DateTime.Now.Subtract(dt).TotalMilliseconds > 1500) //超时 { return new byte[0]; } } List<byte> recList = new List<byte>(); byte[] recData = new byte[m_SerialPort.BytesToRead]; m_SerialPort.Read(recData, 0, recData.Length); recList.AddRange(recData); int length = recData[1] + 2; //报文数据总长度 while (recList.Count < length) { if (m_SerialPort.BytesToRead > 0) { recData = new byte[m_SerialPort.BytesToRead]; m_SerialPort.Read(recData, 0, recData.Length); recList.AddRange(recData); } Thread.Sleep(1); } return recList.ToArray(); } #endregion #region 向串口发送数据 /// <summary> /// 向串口发送数据 /// </summary> /// <param name="cmd">待发送的命令</param> /// <param name="SN">序列号</param> private void WritePort(Cmd cmd, byte SN) { //发送数据 List<byte> sendData = cmd.Data; sendData[1] = (byte)sendData.Count; sendData[2] = SN; byte[] checkCode = CommonUtil.CalCheckCode(sendData, sendData.Count); sendData.AddRange(checkCode); if (cmd.Mt != null) { m_WaitResultMTList.Add(cmd.Mt); } m_SerialPort.Write(sendData.ToArray(), 0, sendData.Count); LogHelper.Log(LogMsgType.Info, true, sendData.ToArray()); } #endregion #region 发送ACK消息 /// <summary> /// 发送ACK消息 /// </summary> /// <param name="SN">序列号</param> private void SendACK(byte SN) { List<byte> sendData = new List<byte>() { 0xE5, 0x00, 0x00, 0x40, 0x80 }; WritePort(new Cmd(sendData), SN); } #endregion #region Init 初始化 /// <summary> /// 初始化 /// </summary> /// <param name="com">串口号(例：COM1)</param> public void Init(string com) { if (m_SerialPort == null) { m_SerialPort = new SerialPort(com, 9600, Parity.None, 8, StopBits.One); m_SerialPort.ReadBufferSize = 1024; m_SerialPort.WriteBufferSize = 1024; m_SerialPort.DataReceived += new SerialDataReceivedEventHandler(serialPort_DataReceived); } if (!m_SerialPort.IsOpen) { m_SerialPort.Open(); } GET_SETUP(); CONTROL_IND(0x13, new byte[] { 0x00 }); //初始化完成标志 GET_STATUS(); SetDecimalPlaces(2); //设置小数点位数 } #endregion #region Close 关闭连接 /// <summary> /// 关闭连接 /// </summary> public void Close() { m_SerialPort.Close(); } #endregion #region 接收串口数据 /// <summary> /// 接收串口数据 /// </summary> /// <param name="type">消息类型</param> /// <param name="subtype">消息子类型</param> public byte[] Receive(byte type, byte subtype) { return m_ReceiveDataCollection.Get(type, subtype); } /// <summary> /// 接收串口数据 /// </summary> /// <param name="type">消息类型</param> /// <param name="subtype">消息子类型</param> public byte[] WaitReceive(byte type, byte subtype) { DateTime time = DateTime.Now; while (true) { byte[] receiveData = m_ReceiveDataCollection.Get(type, subtype); if (receiveData != null) return receiveData; if (DateTime.Now.Subtract(time).TotalMinutes > 3) return null; Thread.Sleep(50); } } /// <summary> /// 接收串口数据 /// </summary> /// <param name="type">消息类型</param> public byte[] WaitReceive(byte type) { DateTime time = DateTime.Now; while (true) { byte[] receiveData = m_ReceiveDataCollection.Get(type); if (receiveData != null) return receiveData; if (DateTime.Now.Subtract(time).TotalMinutes > 3) return null; Thread.Sleep(50); } } #endregion #region 判断消息是否发送成功 /// <summary> /// 判断消息是否发送成功 /// </summary> public bool SendSuccess(byte type, byte subtype) { DateTime time = DateTime.Now; while (true) { if (DateTime.Now.Subtract(time).TotalMinutes > 3) { return false; } byte[] ack = m_ReceiveDataCollection.Get(type, subtype); byte[] nak = m_ReceiveDataCollection.Get(type, subtype); if (ack != null) return true; if (nak != null) return false; Thread.Sleep(1); } } #endregion } }

第2部分：接收串口数据，并响应货机，向货机发送数据

using System; using System.Collections.Generic; using System.IO.Ports; using System.Linq; using System.Text; using MachineJPDll.Models; using MachineJPDll.Utils; /* * VMC->PC数据的接收,货机事件的分发 */ namespace MachineJPDll { partial class MachineJP { #region serialPort_DataReceived /// <summary> /// 数据接收事件的方法 /// </summary> public void serialPort_DataReceived(object obj, SerialDataReceivedEventArgs args) { byte[] receiveData = ReadPort(); if (CommonUtil.ValidReceiveData(receiveData)) //只处理验证正确的数据，不正确的数据抛弃不处理 { LogHelper.Log(LogMsgType.Info, false, receiveData); byte SN = CommonUtil.GetSN(receiveData); MT mt = new MT(receiveData); #region 轮询(POLL) if (mt.Type == 0x03) { if (m_CommandList.Count > 0) { WritePort(m_CommandList[0], SN); m_CommandList.RemoveAt(0); } else { //发送ACK消息 SendACK(SN); } } #endregion #region 发送ACK消息 if (CommonUtil.NeedACK(receiveData)) { SendACK(SN); //发送ACK消息 } #endregion #region VMC系统参数 if (mt.Type == 0x05) { m_ReceiveDataCollection.Add(mt.Type, mt.Subtype, receiveData); } #endregion #region ACK_RPT或NAK_RPT if (mt.Type == 0x01 //ACK_RPT || mt.Type == 0x02) //NAK_RPT { if (m_WaitResultMTList.Count > 0) { m_ReceiveDataCollection.Add(m_WaitResultMTList[0].Type, m_WaitResultMTList[0].Subtype, receiveData); m_WaitResultMTList.RemoveAt(0); } } #endregion #region INFO_RPT 数据报告 if (mt.Type == 0x11) { #region 纸币器信息 if (mt.Subtype == 16) { m_ReceiveDataCollection.Add(mt.Type, mt.Subtype, receiveData); } #endregion #region 硬币器信息 if (mt.Subtype == 17) { m_ReceiveDataCollection.Add(mt.Type, mt.Subtype, receiveData); } #endregion #region 用户投币余额 if (mt.Subtype == 3) { m_ReceiveDataCollection.Add(mt.Type, mt.Subtype, receiveData); } #endregion } #endregion #region VENDOUT_RPT 出货报告 if (mt.Type == 0x08) { m_ReceiveDataCollection.Add(mt.Type, mt.Subtype, receiveData); } #endregion #region STATUS_RPT VMC整机状态报告 if (mt.Type == 0x0D) { m_ReceiveDataCollection.Add(mt.Type, mt.Subtype, receiveData); } #endregion #region SALEPRICE_IND 设置当前商品售价 if (mt.Type == 0x8E) { m_ReceiveDataCollection.Add(mt.Type, mt.Subtype, receiveData); } #endregion #region PAYIN_RPT VMC发送现金投币报告给PC if (mt.Type == 0x06) { m_ReceiveDataCollection.Add(mt.Type, mt.Subtype, receiveData); } #endregion #region PAYOUT_RPT 出币报告 if (mt.Type == 0x07) { m_ReceiveDataCollection.Add(mt.Type, mt.Subtype, receiveData); } #endregion #region COST_RPT VMC扣款报告 if (mt.Type == 0x10) { m_ReceiveDataCollection.Add(mt.Type, mt.Subtype, receiveData); } #endregion #region ACTION_RPT 售货机行为报告 if (mt.Type == 0x0B) { m_ReceiveDataCollection.Add(mt.Type, mt.Subtype, receiveData); } #endregion #region HUODAO_RPT VMC货道报告 if (mt.Type == 0x0E) { m_ReceiveDataCollection.Add(mt.Type, mt.Subtype, receiveData); } #endregion } else //接收到的数据没有验证通过 { LogHelper.LogException(LogMsgType.Error, false, "数据异常", receiveData); } } #endregion } }

第3部分：货机状态、投币、出货等接口

using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading; using MachineJPDll.Enums; using MachineJPDll.Models; using MachineJPDll.Utils; /* * PC->VMC数据的发送(并非直接发送,只是添加到发送列表) */ namespace MachineJPDll { partial class MachineJP { #region GET_SETUP /// <summary> /// PC通知VMC发送VMC_SETUP /// </summary> public VmcSetup GET_SETUP() { List<byte> sendData = new List<byte>() { 0xE5, 0x00, 0x00, 0x40, 0x90 }; m_CommandList.Add(new Cmd(sendData)); byte[] receiveData = WaitReceive(0x05); if (receiveData != null) { return new VmcSetup(receiveData); } return null; } #endregion #region CONTROL_IND PC控制售货机完成对应的动作 /// <summary> /// PC控制VMC /// </summary> public bool CONTROL_IND(byte subtype, byte[] value) { List<byte> sendData = new List<byte>() { 0xE5, 0x00, 0x00, 0x41, 0x85 }; sendData.Add(subtype); if (value != null && value.Length > 0) { sendData.AddRange(value); } m_CommandList.Add(new Cmd(sendData, new MT(sendData))); return SendSuccess(0x85, subtype); } #endregion #region 设置小数点位数 /// <summary> /// 设置小数点位数 /// 用于PC 通知VMC，双方的金额数据比例系数关系，PC 每次启动时，都会给 /// VMC 下发一次type=18 的消息，VMC 需要自己永久保存该数据，直到被PC 再 /// 次更新。 /// 取值范围：0、1、2 分别表示以 元、 角 、分 为单位 /// </summary> public bool SetDecimalPlaces(int data) { return CONTROL_IND(18, new byte[] { (byte)data }); } #endregion #region GET_STATUS PC通知VMC发送STATUS_RPT /// <summary> /// PC通知VMC发送STATUS_RPT /// </summary> public StatusRpt GET_STATUS() { List<byte> sendData = new List<byte>() { 0xE5, 0x00, 0x00, 0x40, 0x86 }; m_CommandList.Add(new Cmd(sendData)); byte[] receiveData = WaitReceive(0x0D); if (receiveData != null) { return new StatusRpt(receiveData); } return null; } #endregion #region GET_INFO PC通知VMC发送INFO_RPT /// <summary> /// PC通知VMC发送INFO_RPT /// </summary> public byte[] GET_INFO(byte subtype) { List<byte> sendData = new List<byte>() { 0xE5, 0x00, 0x00, 0x40, 0x8C }; sendData.Add(subtype); m_CommandList.Add(new Cmd(sendData)); return WaitReceive(0x11); } #endregion #region VENDOUT_IND 出货 /// <summary> /// PC出货指示 /// </summary> /// <param name="device">售货机的箱体号 例如柜1 为 0x01 以此类推</param> /// <param name="method">method =1：VMC 通过商品ID 指示出货，如果商品ID 不存在，回复NAK_RPT method =2：VMC 通过货道ID 指示VMC 出货，如果货道ID 不存在，回复NAK_RPT</param> /// <param name="sp_id_hd_id">sp_id：通过商品ID 指示VMC 出货 hd_id：通过货道ID 指示VMC 出货</param> /// <param name="type">如果type=0，cost 代表本次出货扣款金额 如果TYPE 不为0，则COST 必须为0</param> /// <param name="cost">cost 代表本次出货扣款金额</param> public VendoutRpt VENDOUT_IND(byte device, byte method, byte sp_id_hd_id, byte type, int cost) { List<byte> sendData = new List<byte>() { 0xE5, 0x00, 0x00, 0x41, 0x83 }; sendData.AddRange(new byte[] { device, method, sp_id_hd_id, type }); sendData.AddRange(CommonUtil.Int2ByteArray(cost, 2)); m_CommandList.Add(new Cmd(sendData, new MT(sendData))); if (SendSuccess(0x83, 0x00)) { byte[] receiveData = WaitReceive(0x08); if (receiveData != null) { return new VendoutRpt(receiveData); } } return null; } #endregion #region HUODAO_SET_IND 设置货道商品数量 /// <summary> /// PC通知VMC，当前货道对应商品的数量等信息 /// </summary> /// <param name="device">表示箱柜号</param> /// <param name="huodao">zyxxxxxx “z”固定填0 “y”固定填0 “xxxxxx”，表示商品余量，如果商品余量大于63，则统一为63</param> public bool HUODAO_SET_IND(byte device, List<int> huodao) { List<byte> sendData = new List<byte>() { 0xE5, 0x00, 0x00, 0x41, 0x8F }; sendData.Add(device); for (int i = 0; i < huodao.Count; i++) { if (huodao[i] > 63) { huodao[i] = 63; } } sendData.AddRange(huodao.ConvertAll<byte>(a => (byte)a)); m_CommandList.Add(new Cmd(sendData, new MT(sendData))); return SendSuccess(0x8F, 0x00); } #endregion #region SALEPRICE_IND 设置当前商品售价 /// <summary> /// PC通知VMC，当前商品售价 /// </summary> /// <param name="device">表示箱柜号</param> /// <param name="type">表示设置单价的方式；Type = 0：为按商品ID 发送单价，可以变长发送，商品种类最大不超过80 个；Type = 1: 为按货道号发送，固定发送80 个货道的单价信息</param> /// <param name="sp_price">商品售价</param> public bool SALEPRICE_IND(byte device, byte type, List<int> sp_price) { List<byte> sendData = new List<byte>() { 0xE5, 0x00, 0x00, 0x41, 0x8E }; sendData.Add(device); sendData.Add(type); sendData.AddRange(sp_price.ConvertAll<byte>(a => (byte)a)); m_CommandList.Add(new Cmd(sendData, new MT(sendData))); return SendSuccess(0x8E, 0x00); } #endregion #region PAYOUT_IND PC指示VMC出币 /// <summary> /// PC指示VMC出币 /// </summary> /// <param name="device">出币设备</param> /// <param name="value">本次出币总金额</param> /// <param name="type">出币类型 无需理解type 的含义，只需要在出币完成后的PAYOUT_RPT 中将该type 值回传给PC 即可</param> public PayoutRpt PAYOUT_IND(PayoutType device, int value, byte type) { List<byte> sendData = new List<byte>() { 0xE5, 0x00, 0x00, 0x41, 0x89 }; sendData.Add((byte)device); sendData.AddRange(CommonUtil.Int2ByteArray(value, 2)); sendData.Add(type); m_CommandList.Add(new Cmd(sendData, new MT(sendData))); if (SendSuccess(0x89, 0x00)) { byte[] receiveData = WaitReceive(0x07); if (receiveData != null) { return new PayoutRpt(receiveData); } } return null; } #endregion #region COST_IND PC扣款指示 /// <summary> /// PC扣款指示 /// </summary> /// <param name="device">device=0，从用户投币总额中扣款；优先从用户非暂存金额中扣除（纸币尽量滞后压钞），参见《现金扣款顺序》</param> /// <param name="value">扣款金额</param> /// <param name="type">VMC 不用理解type 的含义，只需上报对应的COST_RPT 时回传即可</param> public CostRpt COST_IND(byte device, int value, byte type) { List<byte> sendData = new List<byte>() { 0xE5, 0x00, 0x00, 0x41, 0x8B }; sendData.Add(device); sendData.AddRange(CommonUtil.Int2ByteArray(value, 2)); sendData.Add(type); m_CommandList.Add(new Cmd(sendData, new MT(sendData))); if (SendSuccess(0x8B, 0x00)) { byte[] receiveData = WaitReceive(0x10); if (receiveData != null) { return new CostRpt(receiveData); } } return null; } #endregion #region GET_HUODAO PC通知VMC上报HUODAO_RPT /// <summary> /// PC通知VMC上报HUODAO_RPT /// </summary> /// <param name="device">箱柜号</param> public HuoDaoRpt GET_HUODAO(byte device) { List<byte> sendData = new List<byte>() { 0xE5, 0x00, 0x00, 0x40, 0x8A }; sendData.Add(device); m_CommandList.Add(new Cmd(sendData)); byte[] receiveData = WaitReceive(0x0E); if (receiveData != null) { return new HuoDaoRpt(receiveData); } return null; } #endregion #region SET_HUODAO PC发送配置货道信息 /// <summary> /// PC发送配置货道信息 /// </summary> /// <param name="Cabinet">箱柜号</param> /// <param name="hd_no">货道逻辑编号，十进制</param> /// <param name="Hd_id">商品ID号</param> /// <param name="Hd_count">货道剩余量</param> /// <param name="Hd_price">货道单价</param> /// <param name="Reserved">保留字段VMC忽略此字段，PC最好将此字段置为0</param> public bool SET_HUODAO(byte Cabinet, int hd_no, int Hd_id, int Hd_count, int Hd_price, int Reserved = 0) { List<byte> sendData = new List<byte>() { 0xE5, 0x00, 0x00, 0x41, 0x93 }; sendData.Add(Cabinet); sendData.Add((byte)hd_no); sendData.Add((byte)Hd_id); sendData.Add((byte)Hd_count); sendData.AddRange(CommonUtil.Int2ByteArray(Hd_price, 2)); sendData.AddRange(CommonUtil.Int2ByteArray(Reserved, 2)); m_CommandList.Add(new Cmd(sendData, new MT(sendData))); return SendSuccess(0x93, 0x00); } #endregion #region 开启纸硬币器 /// <summary> /// 现金收银模组（纸币器、硬币器）开关 /// </summary> /// <param name="open">true:开,false:关</param> public bool CtrlCoinPaper(bool open) { if (open) { return CONTROL_IND(2, new byte[] { 1 }); } else { return CONTROL_IND(2, new byte[] { 0 }); } } #endregion #region 找零 /// <summary> /// 找零 /// 与手工拨弄物理找零开关相同 /// </summary> public bool MakeChange() { return CONTROL_IND(6, new byte[] { 0 }); } #endregion #region 获取硬币器信息 /// <summary> /// 获取硬币器信息 /// </summary> public InfoRpt_17 GetCoinInfo() { return new InfoRpt_17(GET_INFO(17)); } #endregion #region 获取纸币器信息 /// <summary> /// 获取纸币器信息 /// </summary> public InfoRpt_16 GetPaperInfo() { return new InfoRpt_16(GET_INFO(16)); } #endregion #region 获取现金投币报告 /// <summary> /// 获取现金投币报告 /// </summary> public PayinRpt GetPayinRpt() { byte[] receiveData = Receive(0x06, 0x00); if (receiveData != null) { return new PayinRpt(receiveData); } return null; } #endregion #region 获取用户投币余额 /// <summary> /// 获取用户投币余额 /// </summary> public InfoRpt_3 GetRemaiderAmount() { byte[] receiveData = WaitReceive(0x11, 0x003); if (receiveData != null) { return new InfoRpt_3(receiveData); } return null; } #endregion } }

ReceiveDataCollection类和ReceiveData类：

using System; using System.Collections.Generic; using System.Linq; using System.Text; namespace MachineJPDll.Models { /// <summary> /// 从串口接收到的数据(数据已通过验证) /// </summary> public class ReceiveData { /// <summary> /// 从串口接收到的数据(数据已通过验证) /// </summary> public byte[] Data { get; set; } /// <summary> /// 添加到集合ReceiveDataCollection的时间 /// </summary> public DateTime AddTime { get; set; } /// <summary> /// 消息类型 /// </summary> public byte Type { get; set; } /// <summary> /// 消息子类型 /// </summary> public byte Subtype { get; set; } /// <summary> /// 从串口接收到的数据(数据已通过验证) /// </summary> /// <param name="type">消息类型</param> /// <param name="subtype">消息子类型</param> /// <param name="data">从串口接收到的数据(数据已通过验证)</param> /// <param name="addTime">添加到集合ReceiveDataCollection的时间</param> public ReceiveData(byte type, byte subtype, byte[] data, DateTime addTime) { this.Type = type; this.Subtype = subtype; this.Data = data; this.AddTime = addTime; } } }

using System; using System.Collections.Generic; using System.Linq; using System.Text; namespace MachineJPDll.Models { /// <summary> /// 从串口接收到的数据集合(数据已通过验证) /// </summary> public class ReceiveDataCollection { /// <summary> /// 从串口接收到的数据集合(数据已通过验证) /// </summary> private List<ReceiveData> m_ReceiveDataList = new List<ReceiveData>(); /// <summary> /// 数据过期时间 /// </summary> private int m_Timeout = 3; private static object _lock = new object(); /// <summary> /// 添加到集合 /// </summary> /// <param name="type">消息类型</param> /// <param name="subtype">消息子类型</param> /// <param name="data">从串口接收到的数据(数据已通过验证)</param> public void Add(byte type, byte subtype, byte[] data) { lock (_lock) { ReceiveData receiveData = new ReceiveData(type, subtype, data, DateTime.Now); m_ReceiveDataList.Add(receiveData); for (int i = m_ReceiveDataList.Count - 1; i >= 0; i--) { if (DateTime.Now.Subtract(m_ReceiveDataList[i].AddTime).TotalMinutes > m_Timeout) { m_ReceiveDataList.RemoveAt(i); } } } } /// <summary> /// 从集合中获取串口接收到的数据(数据已通过验证) /// </summary> /// <param name="type">消息类型</param> /// <param name="subtype">消息子类型</param> /// <returns>从串口接收到的数据(数据已通过验证)</returns> public byte[] Get(byte type, byte subtype) { lock (_lock) { ReceiveData receiveData = null; for (int i = 0; i < m_ReceiveDataList.Count; i++) { if (m_ReceiveDataList[i].Type == type && m_ReceiveDataList[i].Subtype == subtype) { receiveData = m_ReceiveDataList[i]; m_ReceiveDataList.RemoveAt(i); return receiveData.Data; } } return null; } } /// <summary> /// 从集合中获取串口接收到的数据(数据已通过验证) /// </summary> /// <param name="type">消息类型</param> /// <returns>从串口接收到的数据(数据已通过验证)</returns> public byte[] Get(byte type) { lock (_lock) { ReceiveData receiveData = null; for (int i = 0; i < m_ReceiveDataList.Count; i++) { if (m_ReceiveDataList[i].Type == type) { receiveData = m_ReceiveDataList[i]; m_ReceiveDataList.RemoveAt(i); return receiveData.Data; } } return null; } } } }

Models：

StatusRpt类：

using System; using System.Collections.Generic; using System.Linq; using System.Text; using MachineJPDll; using MachineJPDll.Enums; using MachineJPDll.Utils; namespace MachineJPDll.Models { /// <summary> /// VMC状态报告 /// </summary> public class StatusRpt { /// <summary> /// 从串口读取的通过验证的数据 /// </summary> private byte[] m_data; /// <summary> /// VMC状态报告 /// </summary> /// <param name="data">从串口读取的通过验证的数据</param> public StatusRpt(byte[] data) { m_data = data; } public override string ToString() { StringBuilder sb = new StringBuilder(); sb.AppendFormat("出货检测设备状态：{0}rn", check_st.ToString()); sb.AppendFormat("纸币器状态：{0}rn", bv_st.ToString()); sb.AppendFormat("硬币器状态：{0}rn", cc_st.ToString()); sb.AppendFormat("VMC状态：{0}rn", vmc_st.ToString()); sb.AppendFormat("展示位状态：{0} {1} {2} {3}rn", pos_st[0].ToString(), pos_st[1].ToString(), pos_st[2].ToString(), pos_st[3].ToString()); sb.AppendFormat("机器中可用的找零量总金额(包括硬币和纸币)：{0}rn", change.ToString()); sb.AppendFormat("货仓1货仓2货仓3货仓4温度：{0} {1} {2} {3}rn", tem1.ToString(), tem2.ToString(), tem3.ToString(), tem4.ToString()); sb.AppendFormat("货仓状态设置值：{0} {1} {2} {3}rn", tem_st[0].ToString(), tem_st[1].ToString(), tem_st[2].ToString(), tem_st[3].ToString()); if (this.自动退币 == 255) { sb.AppendFormat("自动退币时间：永不自动退币rn"); } else { sb.AppendFormat("自动退币时间：{0}rn", 自动退币.ToString()); } sb.AppendFormat("找零余量(1#--6#)：{0} {1} {2} {3} {4} {5}rn", this.找零余量1, this.找零余量2, this.找零余量3, this.找零余量4, this.找零余量5, this.找零余量6); return sb.ToString(); } /// <summary> /// 出货检测设备状态 /// </summary> public CheckSt check_st { get { byte val = m_data[5]; return (CheckSt)CommonUtil.GetFromByte(val, 0, 2); } } /// <summary> /// 纸币器状态 /// </summary> public DeviceSt bv_st { get { byte val = m_data[5]; return (DeviceSt)CommonUtil.GetFromByte(val, 2, 2); } } /// <summary> /// 硬币器状态 /// </summary> public DeviceSt cc_st { get { byte val = m_data[5]; return (DeviceSt)CommonUtil.GetFromByte(val, 4, 2); } } /// <summary> /// VMC状态 /// </summary> public VmcSt vmc_st { get { byte val = m_data[5]; return (VmcSt)CommonUtil.GetFromByte(val, 6, 2); } } /// <summary> /// 展示位状态 /// </summary> public List<DeviceSt> pos_st { get { List<DeviceSt> deviceStList = new List<DeviceSt>(); byte val = m_data[6]; for (int i = 0; i < 4; i++) { DeviceSt deviceSt = (DeviceSt)CommonUtil.GetFromByte(val, i * 2, 2); deviceStList.Add(deviceSt); } return deviceStList; } } /// <summary> /// 机器中，可用的找零量总金额（包括硬币和纸币） /// </summary> public int change { get { return CommonUtil.ByteArray2Int(m_data, 7, 2); } } /// <summary> /// 货仓1 温度，8 位有符号数，该温度通过货仓内传感器获取，单位：℃ /// </summary> public TemSub tem1 { get { return new TemSub(m_data[9]); } } /// <summary> /// 货仓2 温度，8 位有符号数，该温度通过货仓内传感器获取，单位：℃ /// </summary> public TemSub tem2 { get { return new TemSub(m_data[10]); } } /// <summary> /// 货仓3 温度，8 位有符号数，该温度通过货仓内传感器获取，单位：℃ /// </summary> public TemSub tem3 { get { return new TemSub(m_data[11]); } } /// <summary> /// 货仓4 温度，8 位有符号数，该温度通过货仓内传感器获取，单位：℃ /// </summary> public TemSub tem4 { get { return new TemSub(m_data[12]); } } /// <summary> /// 货仓状态设置值，共支持4 个货仓 /// </summary> public List<TemSt> tem_st { get { List<TemSt> temStList = new List<TemSt>(); for (int i = 0; i < 4; i++) { TemSt temSt = (TemSt)CommonUtil.GetFromByte(m_data[13], i * 2, 2); temStList.Add(temSt); } return temStList; } } /// <summary> /// 自动退币时间。 /// 0：表示商品出货后，立即自动退币 /// 255：表示永不自动退币 /// 1-254：表示商品出货后，自动退币时间（单位：秒） /// </summary> public int 自动退币 { get { return m_data[14]; } } /// <summary> /// 找零余量“找零量1#”…“找零量6#”，分别对应硬币器信息INFO_RPT.type=17 的“找零 /// 1#”…“找零6#”中每种钱币的找零数量； /// * 找零量最大为255，超过255 时上报为255； /// * 找零量单位为“个”，代表可找零硬币的个数。 /// </summary> public int 找零余量1 { get { return m_data[15]; } } /// <summary> /// 找零余量“找零量1#”…“找零量6#”，分别对应硬币器信息INFO_RPT.type=17 的“找零 /// 1#”…“找零6#”中每种钱币的找零数量； /// * 找零量最大为255，超过255 时上报为255； /// * 找零量单位为“个”，代表可找零硬币的个数。 /// </summary> public int 找零余量2 { get { return m_data[16]; } } /// <summary> /// 找零余量“找零量1#”…“找零量6#”，分别对应硬币器信息INFO_RPT.type=17 的“找零 /// 1#”…“找零6#”中每种钱币的找零数量； /// * 找零量最大为255，超过255 时上报为255； /// * 找零量单位为“个”，代表可找零硬币的个数。 /// </summary> public int 找零余量3 { get { return m_data[17]; } } /// <summary> /// 找零余量“找零量1#”…“找零量6#”，分别对应硬币器信息INFO_RPT.type=17 的“找零 /// 1#”…“找零6#”中每种钱币的找零数量； /// * 找零量最大为255，超过255 时上报为255； /// * 找零量单位为“个”，代表可找零硬币的个数。 /// </summary> public int 找零余量4 { get { return m_data[18]; } } /// <summary> /// 找零余量“找零量1#”…“找零量6#”，分别对应硬币器信息INFO_RPT.type=17 的“找零 /// 1#”…“找零6#”中每种钱币的找零数量； /// * 找零量最大为255，超过255 时上报为255； /// * 找零量单位为“个”，代表可找零硬币的个数。 /// </summary> public int 找零余量5 { get { return m_data[19]; } } /// <summary> /// 找零余量“找零量1#”…“找零量6#”，分别对应硬币器信息INFO_RPT.type=17 的“找零 /// 1#”…“找零6#”中每种钱币的找零数量； /// * 找零量最大为255，超过255 时上报为255； /// * 找零量单位为“个”，代表可找零硬币的个数。 /// </summary> public int 找零余量6 { get { return m_data[20]; } } } }

以上就是C#实现自动售货机接口的代码，需要的朋友可以来学习。