private void 择下载文件_Click(object sender, EventArgs e)
{
int fileID = -1;
if (openFileDialog1.ShowDialog() == DialogResult.OK)
{
foreach (string fi in openFileDialog1.FileNames)
{
if (false == List_LoadFile.Items.Contains(fi))
{
FileInfo fileInfo = new FileInfo(fi);
restype = LoadFiletype(fileInfo, ref fileID);
if (restype == Restype.NONE)
{
MessageBox.Show($"不识别文件{fileInfo}", "警告", MessageBoxButtons.OKCancel, MessageBoxIcon.Information);
}
else
{
List_LoadFile.Items.Add(fi);
if (fileInfo.Exists == true)
{
filelist.Add(fileInfo);
}
}
}
}
int binnum = 0;
//检查bin文件
foreach (FileInfo fi in filelist)
{
if (fi.Extension == ".bin")
{
binnum++;
}
}
if (binnum > 1)
{
MessageBox.Show("不允许同时下载两个升级文件（.bin）,请确定后重新添加", "警告", MessageBoxButtons.OKCancel, MessageBoxIcon.Information);
filelist.Clear();
List_LoadFile.Items.Clear();
return;
}
file_sort(); //filelist进行排序
progressBar1.Value = 0;
restype = Restype.NONE;
}
}
public Restype LoadFiletype(FileInfo fileinfo, ref int fileID)
{
string exten = fileinfo.Extension.ToLower();
Restype res = Restype.NONE;
fileID = -1;
switch (exten)
{
case ".ico":
case ".dzk":
if (exten == ".ico")
{
res = Restype.ico;
}
else
{
res = Restype.dzk;
}
char[] namebyte = fileinfo.Name.ToCharArray();
if (namebyte.Length >= 5)
{
if (namebyte[0] < '0' || namebyte[0] > '9')
{
res = Restype.NONE;
break;
}
byte num = 0;
string filenum = string.Empty;
do
{
if (namebyte[num] >= '0' && namebyte[num] <= '9')
{
if (num >= 4)
{
res = Restype.NONE;
break;
}
filenum += namebyte[num];
num++;
}
else
{
if (num <= 3)
{
//res = Restype.NONE;
break;
}
}
} while (num < (namebyte.Length - 4));
if (filenum != string.Empty && num < 4)
{
fileID = Convert.ToInt32(filenum);
if (fileID < 0 || fileID > 255)
{
res = Restype.NONE;
}
break;
}
}
res = Restype.NONE;
break;
case ".bin":
res = Restype.bin;
break;
default:
res = Restype.NONE;
break;
}
return(res);
}
