cyf
376 lines
14 KiB
C#
376 lines
14 KiB
C#
/******************************
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* 说明：下载进度窗口
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* 创建人：龚宇超
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* 创建日期：2018-02-09
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* 修改人：
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* 修改日期：
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* 修改备注：
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* 版本：1.0.0.0
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******************************/
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using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Data;
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using System.Drawing;
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using System.Linq;
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using System.Text;
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using System.Windows.Forms;
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using System.IO;
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using System.Threading;
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using System.Net;
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using Lskj.Control;
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using Lskj.AutoUpdate;
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using System.Xml;
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using Lskj.Util;
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using Lskj.Business;
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using System.Text.RegularExpressions;
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using System.Diagnostics;
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using Lskj.Core;
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using Lskj.Business.Impl;
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namespace Lskj.Control
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{
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/// <summary>
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/// 下载进度窗口
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/// </summary>
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public partial class FrmDownload : Form
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{
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/// <summary>
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/// 是否下载完成
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/// </summary>
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private bool isFinished = false;
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/// <summary>
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/// 下载总数
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/// </summary>
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private long total = 0;
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/// <summary>
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/// 当前下载的总数
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/// </summary>
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private long nDownloadedTotal = 0;
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/// <summary>
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/// 右键多条下载是否显示
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/// </summary>
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public bool RightDisplay = true;
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private ManualResetEvent evtDownload = null;
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private ManualResetEvent evtPerDonwload = null;
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private WebClient clientDownload = null;
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private AutoUpdater autoUpdater = null;
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private delegate void SetProcessBarCallBack(int current);
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private delegate void ExitCallBack(bool success);
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private delegate void ShowCurrentDownloadFileNameCallBack(string name);
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public bool isBatchPrind = false;
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string url = null;//需要下载的url地址
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string FileName = null;//需要现在的文件名称
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string localFilePath = null;//需要现在的文件名称
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bool isOpen = false;//是否直接打开程序
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bool isprompt = true;//是否提示
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public FrmDownload(string URL, string FileName, string LocalFilePath, bool isOpen = false, bool isprompt = true)
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{
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InitializeComponent();
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this.url = URL;
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this.FileName = FileName;
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this.localFilePath = LocalFilePath;
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this.isOpen = isOpen;
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this.isprompt = isprompt;
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}
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/// <summary>
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/// <para>说明：窗口加载</para>
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/// <para>创建人：龚宇超</para>
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/// <para>创建日期：2018-02-23 </para>
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/// <para>修改人：</para>
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/// <para>修改日期：</para>
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/// <para>修改备注：</para>
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/// <para>版本：1.0</para>
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/// </summary>
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/// <param name="sender">The sender.</param>
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/// <param name="e">The <see cref="EventArgs"/> instance containing the event data.</param>
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private void OnFormLoad(object sender, EventArgs e)
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{
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try
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{
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if (!isBatchPrind && RightDisplay) this.Opacity = 100D;
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evtDownload = new ManualResetEvent(true);
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evtDownload.Reset();
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ThreadPool.QueueUserWorkItem(new WaitCallback(this.ProcDownload));
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}
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catch (Exception ex)
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{
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string Message = ErrorMessage.PromptErrorMessage(ex);
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MessageUtil.Show(Message, ex.Message);
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}
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Lskj.Control.Model.AutoSizeChange.ControllInitializeSize(this);
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}
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/// <summary>
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/// <para>说明：</para>
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/// <para>创建人：龚宇超</para>
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/// <para>创建日期：2018-02-23 </para>
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/// <para>修改人：</para>
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/// <para>修改日期：</para>
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/// <para>修改备注：</para>
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/// <para>版本：1.0</para>
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/// </summary>
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/// <param name="sender">The sender.</param>
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/// <param name="e">The <see cref="FormClosingEventArgs"/> instance containing the event data.</param>
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private void OnFormClosing(object sender, FormClosingEventArgs e)
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{
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try
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{
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if (!isFinished && DialogResult.Yes == MessageBox.Show(ConstModel.UPDATE_GIVING_UP, ConstModel.LS_TITLE_NAME, MessageBoxButtons.YesNo, MessageBoxIcon.Question))
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{
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e.Cancel = true;
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return;
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}
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else
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{
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if (clientDownload != null)
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clientDownload.CancelAsync();
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evtDownload.Set();
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evtPerDonwload.Set();
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}
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}
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catch (Exception ex)
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{
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string Message = ErrorMessage.PromptErrorMessage(ex);
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MessageUtil.Show(Message, ex.Message);
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}
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}
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/// <summary>
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/// <para>说明：下载文件</para>
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/// <para>创建人：龚宇超</para>
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/// <para>创建日期：2018-02-23 </para>
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/// <para>修改人：</para>
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/// <para>修改日期：</para>
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/// <para>修改备注：</para>
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/// <para>版本：1.0</para>
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/// </summary>
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/// <param name="o">The o.</param>
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private void ProcDownload(object o)
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{
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DownloadFileInfo file = new DownloadFileInfo(url, FileName, "", 0, "");
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evtPerDonwload = new ManualResetEvent(false);
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try
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{
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//Debug.WriteLine(String.Format("Start Download:{0}", file.FileName));
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this.ShowCurrentDownloadFileName(FileName);
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//Download
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clientDownload = new WebClient();
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//Added the function to support proxy
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//clientDownload.Proxy = System.Net.WebProxy.GetDefaultProxy();
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clientDownload.Proxy = WebRequest.GetSystemWebProxy();
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clientDownload.Proxy.Credentials = CredentialCache.DefaultCredentials;
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clientDownload.Credentials = System.Net.CredentialCache.DefaultCredentials;
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//End added
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clientDownload.DownloadProgressChanged += (object sender, DownloadProgressChangedEventArgs e) =>
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{
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try
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{
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//this.Text = "接收:" + e.BytesReceived.ToString() + " 字节数:" + progressBarCurrent.Maximum.ToString();
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this.SetProcessBar(e.ProgressPercentage);
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}
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catch (Exception ex)
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{
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MessageBox.Show(ex.Message);
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//log the error message,you can use the application's log code
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}
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};
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clientDownload.DownloadFileCompleted += (object sender, AsyncCompletedEventArgs e) =>
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{
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try
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{
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//DealWithDownloadErrors();
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DownloadFileInfo dfile = e.UserState as DownloadFileInfo;
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this.SetProcessBar(100);
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evtPerDonwload.Set();
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}
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catch (Exception exp)
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{
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MessageBox.Show(exp.Message);
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//log the error message,you can use the application's log code
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}
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};
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evtPerDonwload.Reset();
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//Download the folder file
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//string tempFolderPath1 = CommonUnitity.GetFolderUrl(file);
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clientDownload.DownloadFileAsync(new Uri(file.DownloadUrl), localFilePath, file);
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//Wait for the download complete
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evtPerDonwload.WaitOne();
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isFinished = true;
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}
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catch (Exception e)
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{
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string Message = ErrorMessage.PromptErrorMessage(e);
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MessageUtil.Show(Message, e.Message);
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}
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//Test network and deal with errors if there have
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//DealWithDownloadErrors();
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if (isFinished)
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{
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if (!isBatchPrind && RightDisplay && this.isprompt) MessageUtil.Show("附件下载成功!");
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OpenDownFile();
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Exit(true);
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}
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else
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{
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Exit(false);
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}
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evtDownload.Set();
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}
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/// <summary>
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/// <para>说明：直接打开下载完成的文件</para>
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/// <para>创建人：王一帆</para>
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/// <para>创建日期： </para>
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/// <para>修改人：</para>
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/// <para>修改日期：</para>
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/// <para>修改备注：</para>
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/// <para>版本：1.0</para>
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/// </summary>
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/// <param name="URL">The URL.</param>
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/// <param name="FileName">Name of the file.</param>
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private void OpenDownFile()
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{
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try
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{
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if (!isOpen) return;
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string v_OpenFilePath = localFilePath;
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//存在则打开
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System.Diagnostics.Process.Start(v_OpenFilePath);
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}
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catch (Exception ex)
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{
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MessageUtil.Show($"打开附件失败\r\n{ex.Message}");
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}
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}
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/// <summary>
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/// 关闭触发事件删除webclient下载资源
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/// </summary>
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/// <param name="sender"></param>
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/// <param name="e"></param>
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private void FrmDownload_FormClosing(object sender, FormClosingEventArgs e)
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{
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try
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{
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clientDownload.Dispose();
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clientDownload = null;
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}
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catch (Exception ex)
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{
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string Message = ErrorMessage.PromptErrorMessage(ex);
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MessageUtil.Show(Message, ex.Message);
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}
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}
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/// <summary>
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/// <para>说明：显示当前下载文件</para>
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/// <para>创建人：龚宇超</para>
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/// <para>创建日期：2018-02-23 </para>
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/// <para>修改人：</para>
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/// <para>修改日期：</para>
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/// <para>修改备注：</para>
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/// <para>版本：1.0</para>
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/// </summary>
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/// <param name="name">The name.</param>
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private void ShowCurrentDownloadFileName(string name)
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{
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if (this.labelCurrentItem.InvokeRequired)
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{
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ShowCurrentDownloadFileNameCallBack cb = new ShowCurrentDownloadFileNameCallBack(ShowCurrentDownloadFileName);
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this.Invoke(cb, new object[] { name });
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this.labelCurrentItem.Text = "正在下载：" + name;
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}
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else
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{
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this.labelCurrentItem.Text = "正在下载：" + name;
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}
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}
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/// <summary>
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/// <para>说明：显示当前进度</para>
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/// <para>创建人：龚宇超</para>
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/// <para>创建日期：2018-02-23 </para>
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/// <para>修改人：</para>
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/// <para>修改日期：</para>
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/// <para>修改备注：</para>
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/// <para>版本：1.0</para>
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/// </summary>
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/// <param name="current">The current.</param>
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/// <param name="total">The total.</param>
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private void SetProcessBar(int current)
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{
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if (this.progressBarTotal.InvokeRequired)
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{
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SetProcessBarCallBack cb = new SetProcessBarCallBack(SetProcessBar);
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this.Invoke(cb, new object[] { current });
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}
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else
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{
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this.progressBarTotal.Value = current;
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}
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}
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/// <summary>
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/// <para>说明：退出下载程序</para>
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/// <para>创建人：王一帆</para>
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/// <para>创建日期：2020-04-02 </para>
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/// <para>修改人：</para>
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/// <para>修改日期：</para>
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/// <para>修改备注：</para>
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/// <para>版本：1.0</para>
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/// </summary>
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/// <param name="success">if set to <c>true</c> [success].</param>
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private void Exit(bool success)
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{
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if (this.InvokeRequired)
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{
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ExitCallBack cb = new ExitCallBack(Exit);
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this.Invoke(cb, new object[] { success });
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}
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else
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{
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this.isFinished = success;
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this.DialogResult = success ? DialogResult.OK : DialogResult.Cancel;
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this.Close();
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}
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}
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/// <summary>
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/// <para>说明：取消</para>
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/// <para>创建人：龚宇超</para>
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/// <para>创建日期：2018-02-23 </para>
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/// <para>修改人：</para>
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/// <para>修改日期：</para>
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/// <para>修改备注：</para>
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/// <para>版本：1.0</para>
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/// </summary>
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/// <param name="sender">The sender.</param>
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/// <param name="e">The <see cref="EventArgs"/> instance containing the event data.</param>
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private void OnCancel(object sender, EventArgs e)
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{
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try
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{
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if (!isFinished && DialogResult.Yes == MessageBox.Show("附件正在下载确定取消下载吗?", ConstModel.LS_TITLE_NAME, MessageBoxButtons.YesNo, MessageBoxIcon.Question))
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{
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evtDownload.Set();
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evtPerDonwload.Set();
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Exit(false);
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}
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}
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catch (Exception ex)
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{
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string Message = ErrorMessage.PromptErrorMessage(ex);
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MessageUtil.Show("附件下载取消出错！" + Message);
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}
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}
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}
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}
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