public string CheckUpdate(string oldVersion, ref List <MDownloadfile> fileList)
{
MMessage <string> msg = new MMessage <string>();
bool update = false;
string newVersion;
try
{
string _path = @"\Updates";
string ss = Server.MapPath(_path);
if (File.Exists(Server.MapPath(_path + @"\POS.exe")))
{
newVersion = FileVersionInfo.GetVersionInfo(Server.MapPath(_path + @"\POS.exe")).FileVersion;
//判断版本号
string[] oldVers = oldVersion.Split('.');
string[] newVers = newVersion.Split('.');
for (int i = 0; i < 4; i++)
{
//逐位比较版本号
if (int.Parse(oldVers[i]) == int.Parse(newVers[i]))
{
//旧版本号等于新版本号
update = false;
continue;
}
if (int.Parse(oldVers[i]) > int.Parse(newVers[i]))
{
//旧版本号大于新版本号
throw new Exception("本地版本比服务器版本高");
}
if (int.Parse(oldVers[i]) < int.Parse(newVers[i]))
{
//旧版本号小于新版本号
update = true;
break;
}
}
if (update)
{
#region 生成配置文件
//写配置文件
using (StreamWriter wt = new StreamWriter(Server.MapPath(_path + @"\Version.inf"), false))
{
wt.WriteLine(newVersion);
wt.Close();
}
#endregion
DirectoryInfo updateFolder = new DirectoryInfo(Server.MapPath(_path));
fileList = new List <MDownloadfile>();
foreach (FileInfo file in updateFolder.GetFiles())
{
fileList.Add(new MDownloadfile(file.Name, ZipClass.ZipFileToBytes(file.FullName)));
}
msg.Flag = true;
//msg.Content = fileList;
return(Converter.Serialize(msg));
}
else
{
msg.Flag = false;
msg.Text = "已是最新程序";
return(Converter.Serialize(msg));
}
}
else
{
msg.Flag = false;
msg.Text = "更新文件不存在";
return(Converter.Serialize(msg));
}
}
catch (Exception ex)
{
WriteLog("Update", false, ex.Message);
msg.Flag = false;
msg.Text = ex.Message;
msg.Content = null;
return(Converter.Serialize(msg));
}
}
