1

wankeda

2026-02-04 06bc8ee02717f3ee80483d15a52c753cb6df9432

 WMS/WIDESEA_WMSServer/WIDESEA_TaskInfoService/TaskService.cs

@@ -81,6 +81,7 @@
using System;
using WIDESEA_Common.Log;
using static WIDESEA_Common.HouseInboundPassBack.data.data1;
using System.Diagnostics;

namespace WIDESEA_TaskInfoService
{
@@ -3179,65 +3180,172 @@
            }
        }

        public virtual void PrintTestDirect(string fullPath)
        public void PrintTestDirect(string fullPath)
        {
            const int maxRetryCount = 3;
            const int retryDelayMs = 1000;

            if (!File.Exists(fullPath))
            {
                Console.WriteLine($"打印失败：文件不存在 {fullPath}");
                Console.WriteLine($"✗ 打印失败：文件不存在 {fullPath}");
                return;
            }

            // 获取配置的打印机名称
            string printerName = AppSettings.app("PrinterName");
            // 获取打印机名称配置
            string printerName = AppSettings.app("PrinterName")?.Trim();

            if (string.IsNullOrEmpty(printerName))
            {
                Console.WriteLine("✗ 打印失败：未配置打印机名称");
                return;
                // 如果没有配置，使用系统默认打印机
                printerName = GetDefaultPrinterUbuntu();
            }

            // 直接使用配置的打印机名称，不进行任何转换
            PrintUsingConfiguredPrinter(fullPath, printerName.Trim());
            PrintUsingUbuntuPrinter(fullPath, printerName);
        }
        /// <summary>
        /// 获取 Ubuntu 默认打印机
        /// </summary>
        private string GetDefaultPrinterUbuntu()
        {
            try
            {
                ProcessStartInfo psi = new ProcessStartInfo
                {
                    FileName = "lpstat",
                    Arguments = "-d",
                    UseShellExecute = false,
                    CreateNoWindow = true,
                    RedirectStandardOutput = true
                };

                using (Process process = new Process { StartInfo = psi })
                {
                    process.Start();
                    string output = process.StandardOutput.ReadToEnd();
                    process.WaitForExit();

                    // 解析默认打印机名称，例如: "system default destination: LenovoPrinter"
                    if (output.Contains(":"))
                    {
                        return output.Split(':')[1].Trim();
                    }
                    return "LenovoPrinter"; // 默认回退
                }
            }
            catch
            {
                return "LenovoPrinter";
            }
        }

        /// <summary>
        /// Ubuntu 打印实现
        /// </summary>
        private void PrintUsingUbuntuPrinter(string filePath, string printerName)
        {
            try
            {
                PrintWithLpr(filePath, printerName);

            }
            catch (Exception ex)
            {
                Console.WriteLine($"✗ 打印失败: {ex.Message}");
                throw;
            }
        }

        /// <summary>
        /// 使用 lpr 命令打印
        /// </summary>
        private void PrintWithLpr(string filePath, string printerName)
        {
            Console.WriteLine($"📄 正在打印到 {printerName}: {Path.GetFileName(filePath)}");

            string command = $"lpr -P {printerName} \"{filePath}\"";

            ExecuteShellCommand(command);
        }


        /// <summary>
        /// 执行 Shell 命令
        /// </summary>
        private void ExecuteShellCommand(string command)
        {
            ProcessStartInfo psi = new ProcessStartInfo
            {
                FileName = "/bin/bash",
                Arguments = $"-c \"{command.Replace("\"", "\\\"")}\"",
                UseShellExecute = false,
                CreateNoWindow = true,
                RedirectStandardOutput = true,
                RedirectStandardError = true
            };

            using (Process process = new Process { StartInfo = psi })
            {
                process.Start();
                string output = process.StandardOutput.ReadToEnd();
                string error = process.StandardError.ReadToEnd();
                process.WaitForExit();

                if (process.ExitCode == 0)
                {
                    Console.WriteLine($"✅ 打印任务提交成功");
                    if (!string.IsNullOrEmpty(output))
                        Console.WriteLine($"输出: {output}");
                }
                else
                {
                    throw new InvalidOperationException($"命令执行失败: {error}");
                }
            }
        }


        /// <summary>
        /// 只使用配置的打印机进行打印
        /// </summary>
        /// <summary>
        /// Ubuntu 打印方法 - 使用 lpr 命令
        /// </summary>
        private void PrintUsingConfiguredPrinter(string filePath, string printerName)
        {
            try
            {
                // 1. 首先验证打印机是否存在
                if (!IsPrinterInstalled(printerName))
                // 1. 检查打印机是否在线
                if (!IsPrinterAvailableUbuntu(printerName))
                {
                    Console.WriteLine($"✗ 打印机 '{printerName}' 未安装或不存在");
                    Console.WriteLine("\n系统已安装的打印机列表:");
                    foreach (string printer in System.Drawing.Printing.PrinterSettings.InstalledPrinters)
                    {
                        Console.WriteLine($"  - {printer}");
                    }
                    throw new InvalidOperationException($"打印机 '{printerName}' 未安装");
                    throw new InvalidOperationException($"打印机 '{printerName}' 不可用或未找到");
                }

                // 3. 使用 Spire.PDF 打印
                using (Spire.Pdf.PdfDocument pdf = new Spire.Pdf.PdfDocument())
                Console.WriteLine($"✓ 使用打印机: {printerName}");
                Console.WriteLine($"✓ 正在打印: {Path.GetFileName(filePath)}");

                // 2. 使用 lpr 命令打印
                ProcessStartInfo psi = new ProcessStartInfo
                {
                    // 加载文件
                    pdf.LoadFromFile(filePath);
                    FileName = "lpr",
                    Arguments = $"-P {printerName} \"{filePath}\"",
                    UseShellExecute = false,
                    CreateNoWindow = true,
                    RedirectStandardOutput = true,
                    RedirectStandardError = true
                };

                    // 设置打印机名称（只使用配置的名称）
                    pdf.PrintSettings.PrinterName = printerName;
                using (Process process = new Process { StartInfo = psi })
                {
                    process.Start();
                    string output = process.StandardOutput.ReadToEnd();
                    string error = process.StandardError.ReadToEnd();
                    process.WaitForExit();

                    Console.WriteLine($"✓ 使用配置的打印机: {printerName}");
                    Console.WriteLine($"✓ 正在打印: {Path.GetFileName(filePath)}");

                    // 直接打印
                    pdf.Print();
                    Console.WriteLine("✓ 打印任务已提交");
                    if (process.ExitCode == 0)
                    {
                        Console.WriteLine($"✓ 打印任务已提交到 {printerName}");
                    }
                    else
                    {
                        throw new InvalidOperationException($"打印失败: {error}");
                    }
                }
            }
            catch (Exception ex)
@@ -3248,155 +3356,29 @@
        }

        /// <summary>
        /// 从配置的友好名称获取实际的打印机名称
        /// Ubuntu 检查打印机可用性
        /// </summary>
        private string GetActualPrinterName(string displayName)
        {
            if (string.IsNullOrEmpty(displayName))
                return string.Empty;

            // 如果配置的是 "192.168.99.3 上的 Lenovo M7605D"
            if (displayName.Contains("192.168.99.3 上的 Lenovo M7605D"))
            {
                // 在系统中查找实际的打印机名称
                return FindActualPrinterForIP("192.168.99.3");
            }

            // 如果直接配置的是IP地址
            if (displayName.Contains("192.168.99.3"))
            {
                return FindActualPrinterForIP("192.168.99.3");
            }

            // 如果已经是实际的打印机名称，直接返回
            if (IsPrinterInstalled(displayName))
            {
                return displayName;
            }

            // 默认返回原名称
            return displayName;
        }

        /// <summary>
        /// 查找IP地址对应的实际打印机名称
        /// </summary>
        private string FindActualPrinterForIP(string ipAddress)
        private bool IsPrinterAvailableUbuntu(string printerName)
        {
            try
            {
                // 获取所有打印机
                var allPrinters = new List<string>();
                foreach (string printer in System.Drawing.Printing.PrinterSettings.InstalledPrinters)
                ProcessStartInfo psi = new ProcessStartInfo
                {
                    allPrinters.Add(printer);
                }

                Console.WriteLine($"查找IP地址 {ipAddress} 对应的打印机...");
                Console.WriteLine("系统打印机列表:");
                foreach (var printer in allPrinters)
                {
                    Console.WriteLine($"  - {printer}");
                }

                // 优先查找包含IP地址的打印机
                foreach (string printer in allPrinters)
                {
                    if (printer.Contains(ipAddress))
                    {
                        Console.WriteLine($"✓ 找到包含IP的打印机: {printer}");
                        return printer;
                    }
                }

                // 查找联想打印机
                foreach (string printer in allPrinters)
                {
                    if (printer.Contains("M7605D", StringComparison.OrdinalIgnoreCase))
                    {
                        Console.WriteLine($"✓ 找到联想打印机: {printer}");
                        return printer;
                    }
                }


                // 返回第一个可用的打印机
                if (allPrinters.Any())
                {
                    Console.WriteLine($"⚠️ 未找到精确匹配，使用第一个打印机: {allPrinters.First()}");
                    return allPrinters.First();
                }

                return string.Empty;
            }
            catch (Exception ex)
            {
                Console.WriteLine($"查找打印机失败: {ex.Message}");
                return string.Empty;
            }
        }

        /// <summary>
        /// 检查打印机是否已安装
        /// </summary>
        private bool IsPrinterInstalled(string printerName)
        {
            try
            {
                foreach (string printer in System.Drawing.Printing.PrinterSettings.InstalledPrinters)
                {
                    if (printer.Equals(printerName, StringComparison.OrdinalIgnoreCase))
                    {
                        return true;
                    }
                }
                return false;
            }
            catch
            {
                return false;
            }
        }
        /// <summary>
        /// 使用原始打印命令
        /// </summary>
        private void PrintUsingRawCommand(string filePath, string printerName)
        {
            try
            {
                var processStartInfo = new System.Diagnostics.ProcessStartInfo
                {
                    FileName = filePath,
                    Verb = "print",  // 使用"print"动词
                    UseShellExecute = true,  // 关键：启用Shell执行
                    FileName = "lpstat",
                    Arguments = $"-p {printerName}",
                    UseShellExecute = false,
                    CreateNoWindow = true,
                    WindowStyle = System.Diagnostics.ProcessWindowStyle.Hidden
                    RedirectStandardOutput = true
                };

                // 设置打印机（可选，系统通常会使用默认打印机）
                // processStartInfo.Arguments = $"/t \"{filePath}\" \"{printerName}\"";

                System.Diagnostics.Process.Start(processStartInfo);
            }
            catch (Exception ex)
            {
                Console.WriteLine($"打印失败: {ex.Message}");
                // 可以尝试其他方法
                //TryAlternativePrintMethod(filePath, printerName);
            }
        }


        /// <summary>
        /// 检查文件是否可访问
        /// </summary>
        private bool IsFileAccessible(string filePath)
        {
            try
            {
                using (FileStream fs = new FileStream(filePath, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
                using (Process process = new Process { StartInfo = psi })
                {
                    return fs.Length > 0;
                    process.Start();
                    string output = process.StandardOutput.ReadToEnd();
                    process.WaitForExit();

                    return output.Contains($"{printerName} is idle") ||
                           output.Contains($"{printerName} is ready");
                }
            }
            catch
@@ -3404,25 +3386,6 @@
                return false;
            }
        }

        /// <summary>
        /// 尝试强制垃圾回收，释放可能存在的文件句柄
        /// </summary>
        private void TryForceGarbageCollection()
        {
            try
            {
                GC.Collect();
                GC.WaitForPendingFinalizers();
                Console.WriteLine("已执行垃圾回收");
            }
            catch (Exception ex)
            {
                Console.WriteLine($"垃圾回收失败: {ex.Message}");
            }
        }


        /// <summary>
        /// 盘点出库完成
        /// </summary>