private void Form1_Load(object sender, EventArgs e)
{
if (copylist.Count <= 0)
{
this.Close();
return;
}
letdo = async_status;
letdo.BeginInvoke("正在分析需要备份的文件***", null, null);
for (int i = 0; i < copylist.Count; i++)
{
Update_File uf = copylist[i] as Update_File;
string url = servicespath + uf.Fileurl;
FileInfo fi = null;
fi = new FileInfo(url);
if (fi.Exists)
{
TotalSize += (int)fi.Length;
letdo.BeginInvoke("INFO:文件正常！将被覆盖。" + url, null, null);
baklist.Add(url);
}
else
{
letdo.BeginInvoke("WARNING:文件不存在！将以更新包内文件插入。" + url, null, null);
}
}
letdo.BeginInvoke("INFO:检查完毕，总共需要备份" + baklist.Count + "个文件，总共大小" + TotalSize, null, null);
letdo.BeginInvoke("INFO:开始备份", null, null);
this.progressBar1.Minimum = 0;
this.progressBar1.Maximum = TotalSize;
copyCircle();
}
private void copyCircle()
{
if (curCopyNo >= copylist.Count)
{
letdo.BeginInvoke("INFO: 打包完成！", null, null);
AutoClose ac = AutoColseFunc;
this.BeginInvoke(ac, null);
return;
}
string bakto = AutoCreateFolder(System.Environment.CurrentDirectory + @"\" + GobalParameters.UpdateFolder + copylist[curCopyNo]);
//FileInfo fi = new FileInfo(bakto);
try {
if (File.Exists(bakto))
{
File.Delete(bakto);
}
} catch (Exception e1) {
MessageBox.Show(e1.ToString());
}
letdo.BeginInvoke("INFO: 正在复制文件:" + frompath + copylist[curCopyNo], null, null);
//开始备份
try
{
FileStream fs = new FileStream(frompath + (string)copylist[curCopyNo], FileMode.Open, FileAccess.Read);
Size = (int)fs.Length;
position = 0;
stream = fs;
//这里是设置缓存的大小，可以根据需要修改逻辑
if (Size < BUFFER_SIZE)
{
buffer = new byte[Size];
stream.BeginRead(buffer, 0, Size, new AsyncCallback(AsyncCopyFile), bakto);
}
else
{
buffer = new byte[BUFFER_SIZE];
stream.BeginRead(buffer, 0, BUFFER_SIZE, new AsyncCallback(AsyncCopyFile), bakto);
}
}
catch (Exception Ex)
{
curCopyNo++;
TotalPostion += Size;
copyCircle();
MessageBox.Show("ERROR:复制文件:" + frompath + copylist[curCopyNo] + "出错(" + Ex.ToString());
letdo.BeginInvoke("ERROR:复制文件文件:" + frompath + copylist[curCopyNo] + "出错(" + Ex.ToString() + ")", null, null);
}
}
/// <summary>
/// 更新正式开始
/// </summary>
private void UpdateFiles()
{
//提示倒数3秒
Thread.Sleep(1000);
letdo.BeginInvoke("INFO: 开始更新***倒数 3", null, null);
Thread.Sleep(1000);
letdo.BeginInvoke("INFO: 开始更新***倒数 2", null, null);
Thread.Sleep(1000);
letdo.BeginInvoke("INFO: 开始更新***倒数 1", null, null);
//清空原来用作备份的数组，初始化各参数
this.baklist.Clear();
this.TotalSize = 0;
this.TotalPostion = 0;
this.position = 0;
this.curCopyNo = 0;
//从更新包里预读文件，以便确定更新和统计更新大小
foreach (Update_File element in copylist)
{
if (File.Exists(GobalParameters.UpdateFolder + element.Fileurl))
{
FileInfo fi = new FileInfo(GobalParameters.UpdateFolder + element.Fileurl);
TotalSize += (int)fi.Length;
baklist.Add(element.Fileurl);
}
else
{
letdo.BeginInvoke("ERROR: 需要更新的文件：" + element.Fileurl + "不在更新包中。", null, null);
}
}
letdo.BeginInvoke("INFO: 需要更新文件" + baklist.Count + "共" + TotalSize, null, null);
copyCircle();
}
private void Form1_Load(object sender, EventArgs e)
{
if (copylist.Count <= 0)
{
this.Close();
return;
}
letdo = async_status;
letdo.BeginInvoke("正在检查需要打包的文件***", null, null);
for (int i = 0; i < copylist.Count; i++)
{
FileInfo fi = null;
fi = new FileInfo(this.frompath + copylist[i] as string);
if (fi.Exists)
{
TotalSize += (int)fi.Length;
}
//有可能是一个空文件夹
else if (Directory.Exists(this.frompath + copylist[i] as string))
{
NullFileFolderlist.Add(copylist[i] as string);
copylist.RemoveAt(i);
}
else
{
copylist.RemoveAt(i);
letdo.BeginInvoke("ERROR:文件" + copylist[i] as string + "不存在", null, null);
}
}
letdo.BeginInvoke("INFO:检查完毕，总共需要打包" + copylist.Count + "个文件，总共大小" + TotalSize, null, null);
letdo.BeginInvoke("INFO:开始打包", null, null);
this.progressBar1.Minimum = 0;
this.progressBar1.Maximum = TotalSize;
//为空文件夹创建文件夹，及复制
for (int i = 0; i < NullFileFolderlist.Count; i++)
{
AutoCreateFolder(System.Environment.CurrentDirectory + @"\" + GobalParameters.UpdateFolder + NullFileFolderlist[i]);
}
copyCircle();
}
