using System; using System.Data; using System.Windows.Forms; using UAS_MES_NEW.DataOperate; using UAS_MES_NEW.Entity; using UAS_MES_NEW.PublicMethod; using System.Drawing; using System.Collections.Generic; using UAS_MES_NEW.PublicForm; using Seagull.BarTender.Print; using System.Threading; using System.Text.RegularExpressions; using static HslCommunication.Profinet.Knx.KnxCode; using System.IO.Ports; using System.Runtime.InteropServices; using System.IO; using System.Text; using static System.Runtime.CompilerServices.RuntimeHelpers; namespace UAS_MES_NEW.Make { public partial class Make_SNLabelCheckMidBox : Form { //MakeSerial表主键 string ms_id; //制造单号 string make_code; //产品编号 string make_prodcode; //工序编号 string nextstepcode; //完工状态 string ms_status; //工艺路线编号 //Bom版本 string mabomversion; string ErrorMessage = ""; List TSN = new List(); Dictionary CheckBarcode = new Dictionary(); //用于提醒的序列B string[] RemainList = new string[0]; //提醒序列的索引 int RemainIndex = 0; string oMakeCode = ""; string oMsid = ""; string ms_firstsn = ""; Thread InitPrint; Engine engine; DataHelper dh; LogStringBuilder sql = new LogStringBuilder(); DataTable DBFind; DataTable dt; //保存ListB中的数据 DataTable dt1; AutoSizeFormClass asc = new AutoSizeFormClass(); public Make_SNLabelCheckMidBox() { InitializeComponent(); } private void InPrint() { try { engine = new Engine(true); } catch (Exception) { OperateResult.AppendText("未正确安装BarTender软件\n", Color.Red); } } private void Make_FeedingCollection_Load(object sender, EventArgs e) { asc.controllInitializeSize(this); InitPrint = new Thread(InPrint); SetLoadingWindow stw = new SetLoadingWindow(InitPrint, "初始化打印程序"); BaseUtil.SetFormCenter(stw); stw.ShowDialog(); ComList.Text = BaseUtil.GetCacheData("PortName").ToString(); BaudRate.Text = BaseUtil.GetCacheData("BaudRate").ToString(); LockMakeCode.GetMakeCodeCtl(ma_code); ma_code.SetLockCheckBox(LockMakeCode); //工单号放大镜配置 ma_code.TableName = "make left join product on ma_prodcode=pr_code"; ma_code.SelectField = "ma_code # 工单号,ma_prodcode # 产品编号,ma_qty # 工单数量,ma_craftcode # 途程编号,pr_spec # 产品名称,ma_bomversion # Bom版本,ma_softversion # 软件版本,ma_ecncode # ECN号"; ma_code.FormName = Name; ma_code.DBTitle = "工单查询"; ma_code.SetValueField = new string[] { "ma_code", "ma_prodcode", "ma_qty", "pr_spec", "ma_craftcode", "ma_bomversion", "ma_softversion", "ma_ecncode" }; ma_code.Condition = "ma_statuscode='STARTED'"; ma_code.DbChange += Ma_code_DBChange; code.Focus(); StartWeight.PerformClick(); dh = SystemInf.dh; StepCount.StepCode = User.CurrentStepCode; StepCount.Source = User.UserSourceCode; StepCount.LineCode = User.UserLineCode; StepCount.Dh = dh; StepCount.Start(); } private void Ma_code_DBChange(object sender, EventArgs e) { DBFind = ma_code.ReturnData; BaseUtil.SetFormValue(this.Controls, DBFind); } private void Make_FeedingCollection_SizeChanged(object sender, EventArgs e) { asc.controlAutoSize(this); } private void Clean_Click(object sender, EventArgs e) { OperateResult.Clear(); } private void Confirm_Click(object sender, EventArgs e) { KeyEventArgs e2 = new KeyEventArgs(Keys.Enter); code_KeyDown(sender, e2); } private void code_KeyDown(object sender, KeyEventArgs e) { if (e.KeyCode == Keys.Enter) { if (LogicHandler.CheckStepAttribute(Tag.ToString(), User.UserSourceCode, out ErrorMessage)) { if (Loading.Checked) { if (code.Text.Replace(" ", "") == "") { OperateResult.AppendText(">>采集数据不可为空\n", Color.Red); return; } //如果录入框和工单号均有输入 if (code.Text != "" && ma_code.Text != "" && sn_code.Text == "") { GetCollectItem(); BaseUtil.FillDgvWithDataTable(LabelDataGridView, dt1); } //输入框有值但未选择工单号 else if (code.Text != "" && ma_code.Text == "" && sn_code.Text == "") { GetCollectItem(); BaseUtil.FillDgvWithDataTable(LabelDataGridView, dt1); } else if (sn_code.Text != "") { bool AllCheck = true; //索引超出长度表示内容均已提醒 for (int i = 0; i < LabelDataGridView.Rows.Count; i++) { if (LabelDataGridView.Rows[i].Cells["lcd_content"].Value == null) { string labeltype = LabelDataGridView.Rows[i].Cells["lcd_labeltype"].Value.ToString(); string length = LabelDataGridView.Rows[i].Cells["lcd_length"].Value.ToString(); string alllength = LabelDataGridView.Rows[i].Cells["lcd_alllength"].Value.ToString(); string prefix = LabelDataGridView.Rows[i].Cells["lcd_prefix"].Value.ToString(); string suffix = LabelDataGridView.Rows[i].Cells["lcd_suffix"].Value.ToString(); string sql = LabelDataGridView.Rows[i].Cells["lcd_sql"].Value.ToString(); if (sql != "") { Regex ConnoteA = new Regex("{\\w+}"); foreach (Match mch in ConnoteA.Matches(sql)) { string x = mch.Value.Trim(); sql = sql.Replace(x, "'" + sn_code.Text + "'"); } DataTable Param = (DataTable)dh.ExecuteSql(sql.ToString(), "select"); if (Param.Rows.Count == 0) { OperateResult.AppendText(">>" + sn_code.Text + "SQL语句未获取到内容\n", Color.Red, code); return; } else { if (code.Text == Param.Rows[0][0].ToString()) { LabelDataGridView.Rows[i].Cells["lcd_content"].Value = code.Text; } else { OperateResult.AppendText(">>" + sn_code.Text + "SQL获取内容" + Param.Rows[0][0].ToString() + "" + "和扫码内容" + code.Text + "不匹配\n", Color.Red, code); return; } } } else { if (!code.Text.StartsWith(prefix)) { OperateResult.AppendText(">>" + labeltype + "前缀不匹配" + code.Text + "\n", Color.Red, code); return; } if (!code.Text.EndsWith(suffix)) { OperateResult.AppendText(">>" + labeltype + "后缀不匹配" + code.Text + "\n", Color.Red, code); return; } if (int.Parse(alllength) > 0) { if (int.Parse(alllength) != code.Text.Length) { OperateResult.AppendText(">>" + labeltype + "总长度[" + alllength + "]" + code.Text + "不匹配\n", Color.Red, code); return; } } string tempstr = code.Text.Replace(prefix, ""); if (!(tempstr.Length >= int.Parse(length) && code.Text.Replace(prefix, "").Substring(0, int.Parse(length)) == sn_code.Text)) { OperateResult.AppendText(">>" + labeltype + "截取SN" + code.Text + "不匹配\n", Color.Red, code); return; } LabelDataGridView.Rows[i].Cells["lcd_content"].Value = code.Text; } break; } } //循环所有行,判断是否所有的内容都有值 List labeltype_list = new List(); List prefix_list = new List(); List length_list = new List(); List value = new List(); int checkcount = 0; for (int i = 0; i < LabelDataGridView.Rows.Count; i++) { if (LabelDataGridView.Rows[i].Cells["lcd_content"].Value != null) { checkcount = checkcount + 1; labeltype_list.Add(LabelDataGridView.Rows[i].Cells["lcd_labeltype"].Value.ToString()); prefix_list.Add(LabelDataGridView.Rows[i].Cells["lcd_labeltype"].Value.ToString()); length_list.Add(LabelDataGridView.Rows[i].Cells["lcd_length"].Value.ToString()); value.Add(LabelDataGridView.Rows[i].Cells["lcd_content"].Value.ToString()); } else { AllCheck = false; } } ////如果达到了行数,则判定校验通过 //if (checkcount == LabelDataGridView.Rows.Count) //{ // AllCheck = true; //} if (AllCheck) { double ActualWeight = double.Parse(weight.Text == "" ? "0" : weight.Text.Replace("kg", "").Replace("g", "").Trim()); if (MinWeight == 0 || MaxWeight == 0) { OperateResult.AppendText(">>产品" + ma_prodcode.Text + "未维护中箱重量范围\n", Color.Red); return; } if ((ActualWeight >= MinWeight) && (ActualWeight <= MaxWeight)) { OperateResult.AppendText(">>中箱" + sn_code.Text + "重量检测检测合格\n", Color.Green); LogicHandler.DoCommandLog(Tag.ToString(), User.UserCode, ma_code.Text, User.UserLineCode, User.UserSourceCode, "中箱称重:" + weight.Text, "称量合格", sn_code.Text, ""); LogicHandler.RecordProdWeight(sn_code.Text, "SN", float.Parse(ActualWeight.ToString()), "kg", User.UserLineCode, ma_prodcode.Text, User.UserSourceCode, User.UserName); dh.ExecuteSql("update makeserial set ms_grossw='" + ActualWeight + "' where ms_id='" + oMsid + "'", "update"); } else { OperateResult.AppendText(">>中箱" + sn_code.Text + "重量检测未通过\n", Color.Red); LogicHandler.DoCommandLog(Tag.ToString(), User.UserCode, ma_code.Text, User.UserLineCode, User.UserSourceCode, "中箱称重:" + weight.Text, "称量不合格", sn_code.Text, ""); LogicHandler.RecordProdWeight(sn_code.Text, "SN", float.Parse(ActualWeight.ToString()), "kg", User.UserLineCode, ma_prodcode.Text, User.UserSourceCode, User.UserName); return; } //如果称重到了50个,则重量信息重新自动设置到产品信息 int weight_count = dh.getRowCount("makeserail", " ms_makecode='" + ma_code.Text + "' and ms_midboxweight is not null"); if (weight_count == 50) { double pr_miderror = double.Parse(dh.getFieldDataByCondition("product", "nvl(pr_miderror,0)", "pr_code='" + ma_prodcode.Text + "'").ToString()); double avgweight = double.Parse(dh.getFieldDataByCondition("makeserial", "sum(ms_midboxweight)/50", " ms_makecode='" + ma_code.Text + "' and ms_outboxcode is not null").ToString()); dh.ExecuteSql("update product set PR_MIDBOXMINWEIGHT=(" + avgweight + "-" + pr_miderror + "), PR_MIDBOXMAXWEIGHT=(" + avgweight + "+" + pr_miderror + ") where pr_code=v_ms_prodcode", "update"); } sql.Clear(); sql.Append("insert into labelchecklog(LCL_ID, LCL_SN, LCL_LABELTYPE, lcl_prefix,lcl_length, LCL_LABELVALUE, LCL_STEPCODE, LCL_SOURCECODE," + " LCL_INMAN, LCL_DATE)" + "select labelchecklog_seq.nextval,'" + sn_code.Text + "',:LCL_LABELTYPE,:lcl_prefix,:lcl_length,:LCL_LABELVALUE,'" + User.CurrentStepCode + "'" + ",'" + User.UserSourceCode + "','" + User.UserCode + "',sysdate from dual"); dh.BatchInsert(sql.GetString(), new string[] { "LCL_LABELTYPE", "lcl_prefix", "lcl_length", "LCL_LABELVALUE" }, labeltype_list.ToArray(), prefix_list.ToArray(), length_list.ToArray(), value.ToArray()); LogicHandler.DoCommandLog(Tag.ToString(), User.UserCode, oMakeCode, User.UserLineCode, User.UserSourceCode, "上料采集", "上料成功", sn_code.Text, ""); if (!Print.BarTender(Tag.ToString(), ref engine, PrintLabel.Text, PrintLabel.SelectedValue.ToString(), Printer.Text, sn_code.Text, int.Parse(PrintNum.Text == "" ? "1" : PrintNum.Text), ma_code.Text, ma_prodcode.Text, "中箱标", "0", out ErrorMessage)) { OperateResult.AppendText(ErrorMessage + "\n", Color.Red); } if (PrintSecond.Checked) { if (Print.BarTender(Tag.ToString(), ref engine, PrintLabel1.Text, PrintLabel1.SelectedValue.ToString(), PrintList1.Text, sn_code.Text, int.Parse(PrintNum1.Text), oMakeCode, ma_prodcode.Text, "中箱标", "0", out ErrorMessage)) { OperateResult.AppendText(">>序列号:" + sn_code.Text + "打印结束\n", Color.Green); } else { OperateResult.AppendText(ErrorMessage + "\n", Color.Red); } } if (!LogicHandler.SetStepResult(ma_code.Text, User.UserSourceCode, sn_code.Text, "标签核对", "标签核对完成", User.UserCode, out ErrorMessage)) { OperateResult.AppendText(">>" + ErrorMessage + "\n", Color.Red, code); return; } OperateResult.AppendText(">>校验完成\n", Color.Green, code); sn_code.Text = ""; } } } //勾选了下料的时候 else if (UnLoading.Checked) { if (LogicHandler.CheckStepSNAndMacode(ma_code.Text, User.UserSourceCode, code.Text, User.UserCode, out oMakeCode, out oMsid, out ErrorMessage)) { sql.Clear(); sql.Append("select ms_firstsn,cm_makecode,cm_craftcode,nvl(cm_status,0)cm_status,cm_id,cm_stepcode,"); sql.Append("ms_makecode,cm_mccode,cm_materialtype from craftmaterial left join makeserial on cm_makecode"); sql.Append("=ms_makecode and cm_sncode=ms_sncode where cm_sncode='" + code.Text + "' and cm_makecode='" + oMakeCode + "'"); sql.Append("and cm_materialtype=1 and cm_stepcode='" + User.CurrentStepCode + "' "); dt = (DataTable)dh.ExecuteSql(sql.GetString(), "select"); if (dt.Rows.Count > 0) { string ms_macode = dt.Rows[0]["ms_makecode"].ToString(); string ms_firstsn = dt.Rows[0]["ms_firstsn"].ToString(); string cm_stepcode = dt.Rows[0]["cm_stepcode"].ToString(); string cm_mccode = dt.Rows[0]["cm_mccode"].ToString(); string cm_materialtype = dt.Rows[0]["cm_materialtype"].ToString(); string cm_status = dt.Rows[0]["cm_status"].ToString(); string cm_makecode = dt.Rows[0]["cm_makecode"].ToString(); string cm_craftcode = dt.Rows[0]["cm_craftcode"].ToString(); //清除已被使用的序列号 sql.Clear(); sql.Append("update makeserial set ms_nextmacode='' where ms_sncode in(select cm_barcode from craftmaterial where "); sql.Append("cm_makecode='" + cm_makecode + "' and cm_sncode='" + code.Text + "' and cm_stepcode='" + cm_stepcode + "' and cm_craftcode='" + cm_craftcode + "' "); sql.Append("and cm_materialtype=1 and nvl(cm_status,0) =0) and ms_nextmacode='" + oMakeCode + "'"); dh.ExecuteSql(sql.GetString(), "update"); sql.Clear(); sql.Append("update makeserial set ms_nextstepcode=ms_stepcode where ms_id='" + ms_id + "'"); dh.ExecuteSql(sql.GetString(), "update"); //进行下料 sql.Clear(); sql.Append("delete from craftmaterial where (cm_sncode in (select sn from makesnrelation where firstsn"); sql.Append("='" + ms_firstsn + "') or cm_sncode = '" + ms_firstsn + "') and cm_makecode = '" + oMakeCode + "' "); sql.Append("and cm_status = 0 and cm_stepcode='" + User.CurrentStepCode + "' and cm_materialtype=1"); dh.ExecuteSql(sql.GetString(), "delete"); LogicHandler.InsertMakeProcess(ms_macode, code.Text, User.UserSourceCode, "上料采集操作", "下料成功", User.UserCode); //刷新界面值 sql.Clear(); sql.Append("select mcd_inqty,ma_qty-mcd_inqty mcd_remainqty "); sql.Append("from make left join makecraftdetail on mcd_macode=ma_code where "); sql.Append("ma_code='" + oMakeCode + "' and mcd_stepcode='" + User.CurrentStepCode + "'"); dt = (DataTable)dh.ExecuteSql(sql.GetString(), "select"); BaseUtil.SetFormValue(Controls, dt); LogicHandler.DoCommandLog(Tag.ToString(), User.UserCode, oMakeCode, User.UserLineCode, User.UserSourceCode, "上料采集", "下料成功", code.Text, ""); OperateResult.AppendText(">>序列号" + code.Text + "下料成功\n", Color.Green, code); } else OperateResult.AppendText(">>序列号" + code.Text + "未上料,无需下料\n", Color.Red, code); } else OperateResult.AppendText(">>" + ErrorMessage + "\n", Color.Red, code); } } else OperateResult.AppendText(">>" + ErrorMessage + "\n", Color.Red, code); } } //获取采集的项目 private void GetCollectItem() { if (LogicHandler.CheckStepSNAndMacode(ma_code.Text, User.UserSourceCode, code.Text, User.UserCode, out oMakeCode, out oMsid, out ErrorMessage)) { nextstepcode = dh.getFieldDataByCondition("makeserial", "ms_nextstepcode", "ms_id='" + oMsid + "'").ToString(); if (nextstepcode != User.CurrentStepCode) { string stname = dh.getFieldDataByCondition("step", "st_name", "st_code='" + nextstepcode + "'").ToString(); OperateResult.AppendText("<<序列号:" + code.Text + "下一工序是" + stname + ",不是当前岗位的工序\n", Color.Red, code); return; } //将录入框的值给序列号 sn_code.Text = code.Text; code.Str = ""; sql.Clear(); sql.Append("select ma_prodcode,ma_ecncode,ma_softversion,ms_firstsn,ma_bomversion,ma_qty,ma_code,pr_spec,ms_status,ms_id,ms_craftcode,ms_nextstepcode"); sql.Append(",ms_prodcode,ms_makecode,ms_code,ms_stepname from makeserial left join make on ma_code=ms_makecode "); sql.Append("left join product on ms_prodcode=pr_code where ms_sncode='" + code.Text + "' order by ms_id desc"); dt = (DataTable)dh.ExecuteSql(sql.GetString(), "select"); if (dt.Rows.Count > 0) { ms_id = dt.Rows[0]["ms_id"].ToString(); make_code = dt.Rows[0]["ma_code"].ToString(); mabomversion = dt.Rows[0]["ma_bomversion"].ToString(); make_prodcode = dt.Rows[0]["ms_prodcode"].ToString(); nextstepcode = dt.Rows[0]["ms_nextstepcode"].ToString(); ms_status = dt.Rows[0]["ms_status"].ToString(); ms_firstsn = dt.Rows[0]["ms_firstsn"].ToString(); BaseUtil.SetFormValue(this.Controls, dt); LockMakeCode.Checked = true; //勾选了前一工单 dt = (DataTable)dh.ExecuteSql("select ms_status,ms_stepcode,ms_nextstepcode from makeserial where ms_sncode='" + code.Text + "' and ms_makecode='" + ma_code.Text + "' order by ms_id desc", "select"); nextstepcode = dt.Rows[0]["ms_nextstepcode"].ToString(); ms_status = dt.Rows[0]["ms_status"].ToString(); sn_code.Text = code.Text; code.Str = ""; sql.Clear(); sql.Append("select ma_code,ma_softversion,ma_ecncode,ma_prodcode,pr_spec,ma_qty from makeserial left join product "); sql.Append(" on ms_prodcode=pr_code left join make on ms_makecode=ma_code left join "); sql.Append("makecraftdetail on mcd_macode=ms_makecode where ms_id='" + oMsid + "' and mcd_stepcode='" + User.CurrentStepCode + "'"); dt = (DataTable)dh.ExecuteSql(sql.GetString(), "select"); BaseUtil.SetFormValue(this.Controls, dt); OperateResult.AppendText(">>获取序列号" + code.Text + "成功\n", Color.Green); GetItem(); } else { OperateResult.AppendText(">>序列号" + code.Text + "不存在\n", Color.Red, code); code.Text = ""; sn_code.Text = ""; code.Str = ma_prodcode.Text; } } else OperateResult.AppendText(">>" + ErrorMessage + "\n", Color.Red, code); } private void GetItem() { dt1 = (DataTable)dh.ExecuteSql("select lcd_sql,lcd_detno,LCD_LABELTYPE, nvl(lcd_alllength,0)lcd_alllength,nvl(LCD_LENGTH,0)LCD_LENGTH,lcd_suffix, LCD_PREFIX from LABELCHECKdetail left join labelcheck " + "on lcd_lcid=lc_id where lc_prodcode='" + ma_prodcode.Text + "' and lcd_stepcode='" + User.CurrentStepCode + "' and (LCD_LABELTYPE,lcd_stepcode) not in (select LCL_LABELTYPE,LCL_STEPCODE from labelchecklog where " + "LCL_SN='" + sn_code.Text + "') order by lcd_detno", "select"); if (dt1.Rows.Count == 0) { OperateResult.AppendText(">>序列号" + code.Text + "未设置核对类型,或者已核对完成\n", Color.Red, code); sn_code.Clear(); code.Str = ma_prodcode.Text; } BaseUtil.FillDgvWithDataTable(LabelDataGridView, dt1); } private void ClearSn_code_Click(object sender, EventArgs e) { sn_code.Clear(); CheckBarcode.Clear(); code.Str = ma_prodcode.Text; if (dt1 != null) BaseUtil.CleanDataTableData(dt1); RemainIndex = 0; BaseUtil.CleanDGVData(LabelDataGridView); OperateResult.AppendText(">>请采集序列号\n", Color.Black); } private void ma_code_UserControlTextChanged(object sender, EventArgs e) { if (ma_code.Text.Length > 5) { string ErrMessage = ""; if (LogicHandler.CheckMakeStatus(ma_code.Text, out ErrMessage)) { mcd_inqty.Text = ""; mcd_remainqty.Text = ""; sql.Clear(); sql.Append("select mcd_inqty,ma_qty-mcd_inqty mcd_remainqty "); sql.Append("from make left join makecraftdetail_view on mcd_macode=ma_code where "); sql.Append("ma_code='" + ma_code.Text + "' and mcd_stepcode='" + User.CurrentStepCode + "'"); DataTable dt = (DataTable)dh.ExecuteSql(sql.GetString(), "select"); if (dt.Rows.Count > 0) BaseUtil.SetFormValue(Controls, dt); } } } private void ma_prodcode_TextChanged(object sender, EventArgs e) { DataTable _dt = (DataTable)dh.ExecuteSql("select la_id,la_url,la_isdefault from label where la_prodcode='" + ma_prodcode.Text + "' and la_templatetype='中箱标' and la_statuscode='AUDITED' order by la_isdefault", "select"); PrintLabel.DataSource = _dt; PrintLabel.DisplayMember = "la_url"; PrintLabel.ValueMember = "la_id"; PrintLabel1.DataSource = _dt.Copy(); PrintLabel1.DisplayMember = "la_url"; PrintLabel1.ValueMember = "la_id"; code.Str = ma_prodcode.Text; } private void PrintLabel_SelectedIndexChanged(object sender, EventArgs e) { if (PrintLabel.SelectedValue != null && PrintLabel.SelectedValue.ToString() != "System.Data.DataRowView") { string PrintNums = dh.getFieldDataByCondition("label", "la_printnos", "la_id='" + PrintLabel.SelectedValue.ToString() + "'").ToString(); PrintNum.Text = (PrintNums == "" ? "1" : PrintNums); } } Thread thread; SerialPort serialPort1 = new SerialPort(); //称量的标准重量 Double Weight; //最大重量 Double MaxWeight; //最小重量 Double MinWeight; //是否通过串口获取数据 bool GetData = true; Regex re = new Regex("\\d+.\\W+"); private void StartWeight_Click(object sender, EventArgs e) { thread = new Thread(getSerialData); try { serialPort1.PortName = ComList.Text; serialPort1.BaudRate = int.Parse(BaudRate.Text); serialPort1.Open(); GetData = true; thread.Start(); } catch (Exception mes) { if (BaudRate.Text == "" || ComList.Text == "") OperateResult.AppendText(">>请先在电子秤调试界面维护波特率和串口\n", Color.Red); else OperateResult.AppendText(">>" + mes.Message + "\n", Color.Red); } } private void StopWeight_Click(object sender, EventArgs e) { if (serialPort1.IsOpen) { GetData = false; serialPort1.Close(); SystemInf.OpenPort.Remove(serialPort1.PortName); thread.Abort(); } } private void getSerialData() { if (serialPort1.IsOpen) { if (!SystemInf.OpenPort.Contains(serialPort1.PortName)) { SystemInf.OpenPort.Add(serialPort1.PortName); try { while (GetData) { try { int len = serialPort1.BytesToRead; Byte[] readBuffer = new Byte[len]; serialPort1.Read(readBuffer, 0, len); //将数据读入缓存 string weigh = Encoding.Default.GetString(readBuffer); if (weigh != "") { weight.Text = re.Match(weigh).Value; } } catch (Exception) { GetData = false; } } } catch (IOException ex) { MessageBox.Show(ex.Message); } } else OperateResult.AppendText(">>端口已被占用,请关闭其他窗口\n", Color.Red); } } private void StepCount_Load(object sender, EventArgs e) { } } }