文档在线预览：文档生成技术细节

/// <summary>
        /// 运行命令
        /// </summary>
        /// <param name="strShellCommand">命令字符串</param>
        /// <returns>命令运行时间</returns>
        private static double RunShell(string strShellCommand)
        {
            double spanMilliseconds = 0;
            DateTime beginTime = DateTime.Now;

            Process cmd = new Process();
            cmd.StartInfo.FileName = "cmd.exe";
            cmd.StartInfo.UseShellExecute = false;
            cmd.StartInfo.CreateNoWindow = true;
            cmd.StartInfo.Arguments = String.Format(@"/c {0}", strShellCommand);
            cmd.Start();
            cmd.WaitForExit();
            DateTime endTime = DateTime.Now;
            TimeSpan timeSpan = endTime - beginTime;
            spanMilliseconds = timeSpan.TotalMilliseconds;

            return spanMilliseconds;
        }

/// <summary>
        /// 检查是否转换成功（文件是否生成完毕）
        /// </summary>
        /// <param name="sourcePath">要检查文件地址</param>
        /// <param name="targetPath">要复制到的地址（如果不需要真正复制，请跟sourcePath一致）</param>
        /// <param name="timeout">最大等待时间</param>
        /// <returns></returns>
        private static bool IsParseSuccess(string sourcePath, string targetPath, int timeout)
        {
            bool isSuccess = false;

            if (timeout <= 0)
                timeout = 30;

            int i = 0;
            while (!RenameFile(sourcePath, targetPath))
            {
                Thread.Sleep(1000);
                i++;
                if (i == timeout)
                    break;
            }
            if (i < timeout)
                isSuccess = true;

            return isSuccess;
        }

        /// <summary>
        /// 重命名文件（用来检查文件是否生成完成）
        /// </summary>
        /// <param name="sourePath">源地址</param>
        /// <param name="targetPath">目标地址</param>
        /// <returns></returns>
        private static bool RenameFile(string sourePath, string targetPath)
        {
            bool isOpen = false;
            
            //如果是相同地址，直接移动检查是否文件已经生成，否则进行复制（因为目标文件存在的话会有问题）
            if (sourePath.Equals(targetPath))
            {
                try
                {
                    //移动文件
                    File.Move(sourePath, targetPath);
                    isOpen = true;
                }
                catch (Exception e)
                {

                }
            }
            else
            {
                bool isCopySuccess = false;
                try
                {
                    //复制文件
                    File.Copy(sourePath, targetPath, true);
                    isCopySuccess = true;
                }
                catch (Exception e)
                {
                    isCopySuccess = false;
                }
                if (isCopySuccess)
                {
                    //如果复制成功，删除源文件
                    File.Delete(sourePath);
                }
            }

            return isOpen;
        }

/// <summary>
        /// 根据进程名称来关闭进程
        /// </summary>
        /// <param name="processName"></param>
        private static void KillPrecess(string processName)
        {
            foreach (Process p in Process.GetProcesses())
            {
                if (p.ProcessName == processName)
                {
                    p.Kill();
                }
            } 
        }