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  • vb shell函数在c#的转换

    vb shell:

    Private Sub AddBarcodeImages(ByVal DTab As DataTable)
            If Not DTab Is Nothing Then
    
                DTab.Columns.Add("BCIMAGE", Type.GetType("System.Byte[]"))
    
                Dim r As DataRow
                For Each r In DTab.Rows
    
                    Try
                        Dim BatchNo As String = CStr(r.Item("Operator2")).Trim
                        Dim sFileName As String = "C:TEMP" & BatchNo & ".jpg"
    
                        Shell("Barcode.exe " & BatchNo & " 36", AppWinStyle.NormalFocus, True)
    
                        Dim fs As IO.FileStream = New IO.FileStream(sFileName, IO.FileMode.Open)
                        Dim fi As IO.FileInfo = New IO.FileInfo(sFileName)
                        Dim fl As Long = fi.Length
                        Dim lung As Integer = Convert.ToInt32(fl)
                        Dim imgBytes As Byte() = New Byte(lung - 1) {}
                        fs.Read(imgBytes, 0, lung)
                        fs.Close()
                        r.Item("BCIMAGE") = imgBytes
    
                        Dim f As IO.File
                        Try
                            f.Delete(sFileName)
                        Catch ex As Exception
                            Console.WriteLine(ex.ToString)
                        End Try
    
                    Catch ex As Exception
                        'MessageBox.Show(ex.ToString)
                    End Try
                Next
            End If
        End Sub

    c# Process线程:

    private DataTable getReportData()
            {
                DataTable tb = new DataTable();
                tb.Columns.Add("Operator", Type.GetType("System.String"));
                tb.Columns.Add("OperName", Type.GetType("System.String"));
                tb.Columns.Add("Line_No", Type.GetType("System.String"));
                tb.Columns.Add("SessionID", Type.GetType("System.String"));
                tb.Columns.Add("IsActive", Type.GetType("System.String"));
                tb.Columns.Add("IsLine", Type.GetType("System.String"));
                tb.Columns.Add("logo", Type.GetType("System.Byte[]"));
    
                DataRow row;
                foreach (DataRow r in ds.Tables["empd10"].Rows)
                {
                    if (r["s_select"].ToString() == "F") continue;
                    if (r["ticketstatus"].ToString() != "Y") continue;
                    try
                    {
                        row = tb.NewRow();
                        row.BeginEdit();
                        row["Operator"] = r["empno"];
                        row["OperName"] = r["empname"].ToString() + r["eng_name"].ToString();
                        row["Line_No"] = r["teamno"];
                        row["SessionID"] = "";
                        row["IsActive"] = "";
                        row["IsLine"] = "";
                        //--------------------------------------------------条码-------------------------------------------
                        string BatchNo = row["Operator"].ToString().Trim();
                        string sFileName = @"C:TEMP" + BatchNo + ".jpg";
    
                        //------------------shell函数在c#的转换--------------------
                        Process process = new Process();
                        ProcessStartInfo startInfo = new ProcessStartInfo("Barcode.exe", BatchNo + " 36");
                        startInfo.WorkingDirectory = Application.StartupPath;
                        process.StartInfo = startInfo;
                        process.Start();
                        process.WaitForExit();//必不可少否则出现条码生成不成功的情况
                        //------------------shell函数在c#的转换--------------------
                        
    
                        System.IO.FileStream fs = new System.IO.FileStream(sFileName, System.IO.FileMode.Open);
                        System.IO.FileInfo fi = new System.IO.FileInfo(sFileName);
                        long f1 = fi.Length;
                        int lung = Convert.ToInt32(f1);
                        Byte[] imgBytes = new Byte[lung];
                        fs.Read(imgBytes, 0, lung);
                        fs.Close();
                        row["logo"] = imgBytes;
    
                        try
                        {
                            System.IO.File.Delete(sFileName);
                        }
                        catch (Exception ex) 
                        {
                            Console.WriteLine(ex.ToString());
                        }
                        //--------------------------------------------------条码-------------------------------------------
                        row.EndEdit();
                        tb.Rows.Add(row);
                    }
                    catch (Exception ex) 
                    {
                        //return null;
                    }
                }
                tb.TableName = "OM";
                tb.AcceptChanges();
                return tb;
            }
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  • 原文地址:https://www.cnblogs.com/vinsonLu/p/3410947.html
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