xhwkclient/XHWK.WKTool/Utils/ZPrintUtils.cs

using Common.system;
using Microsoft.Win32;
using System.Collections.Generic;
using System.Diagnostics;
using System.Drawing.Printing;
using System.Runtime.InteropServices;

namespace XHWK.WKTool.Utils
{
    internal class ZPrintUtils
    {
        private static readonly PrintDocument FPrintDocument = new PrintDocument();

        /// <summary>
        /// 获取本机默认打印机名称
        /// </summary>
        /// <returns></returns>
        public static string DefaultPrinter()
        {
            return FPrintDocument.PrinterSettings.PrinterName;
        }

        /// <summary>
        /// 获取打印机列表
        /// </summary>
        /// <returns></returns>
        public static List<string> GetLocalPrinters()
        {
            List<string> fPrinters = new List<string>();
            try
            {
                fPrinters.Add(DefaultPrinter()); //默认打印机始终出现在列表的第一项
            }
            catch (System.Exception ex)
            {
                LogHelper.WriteErrLog("添加默认打印机" + ex.Message, ex);
            }

            try
            {
                foreach (string fPrinterName in PrinterSettings.InstalledPrinters)
                {
                    if (!fPrinters.Contains(fPrinterName))
                    {
                        fPrinters.Add(fPrinterName);
                    }
                }
            }
            catch (System.Exception ex)
            {
                LogHelper.WriteErrLog("添加其它打印机" + ex.Message, ex);
            }
            return fPrinters;
        }

        /// <summary>
        /// 调用win api将指定名称的打印机设置为默认打印机
        /// </summary>
        /// <param name="name"></param>
        /// <returns></returns>
        [DllImport("winspool.drv")]
        public static extern bool SetDefaultPrinter(string name);

        /// <summary>
        /// 打印
        /// </summary>
        /// <param name="pdfPath">打印文件的路径</param>
        /// <param name="printerName">打印机的名称</param>
        public static void Print(string pdfPath, string printerName)
        {
            //设置默认打印机
            SetDefaultPrinter(printerName);
            Process p = new Process();
            //不能启动进程是否显示错误弹窗，如果文件没有打开方式会提示选择文件的打开方式
            p.StartInfo.ErrorDialog = true;
            //不显示调用程序窗口,但是对于某些应用无效
            p.StartInfo.CreateNoWindow = true;
            p.StartInfo.WindowStyle = ProcessWindowStyle.Hidden;
            //采用操作系统自动识别的模式
            p.StartInfo.UseShellExecute = true;
            //要打印的文件路径
            p.StartInfo.FileName = pdfPath;
            //指定执行的动作，是打印，即print，打开是 open
            p.StartInfo.Verb = "print";
            //开始打印
            p.Start();
            //等待15秒
            p.WaitForExit(15000);
        }

        /// <summary>
        /// 是否安装AcroRd32
        /// </summary>
        /// <returns></returns>
        public static bool IsExistAcroRd32()
        {
            RegistryKey key = Registry.LocalMachine.OpenSubKey(@"SOFTWARE\Microsoft\Windows\CurrentVersion\App Paths\AcroRd32.exe");
            return key != null;
        }

        public static bool Print2(string pdfPath)
        {
            try
            {
                RegistryKey key = Registry.LocalMachine.OpenSubKey(@"SOFTWARE\Microsoft\Windows\CurrentVersion\App Paths\AcroRd32.exe");
                if (key != null)
                {
                    string acroRd32Path = key.GetValue("").ToString();
                    string args = $"/P \"{pdfPath}\"";
                    Process.Start(acroRd32Path, args);
                    return true;
                }
                return false;
            }
            catch
            {
                // ignored
            }
            return false;
        }

        public static void InstallAcroRd32ByUser()
        {
            string downloadUrl = "https://xhkjedu.oss-cn-huhehaote.aliyuncs.com/runtime/AcroRdrDC1900820071_zh_CN.exe";
            Process.Start(downloadUrl);
        }
    }
}