private void btnCancelDownload_Click(object sender, EventArgs e)
{
if (IndexDownloadWorker.IsBusy)
{
IndexDownloadWorker.CancelAsync();
}
if (AssetDowloadWorker.IsBusy)
{
AssetDowloadWorker.CancelAsync();
}
}
private void AssetDowloadWorker_DoWork(object sender, DoWorkEventArgs e)
{
List <string> nameList;
nameList = (List <string>)e.Argument;
if (!Directory.Exists(Define.LocalPath + Define.AssetPath + "/" + Define.GameVersion))
{
Directory.CreateDirectory(Define.LocalPath + Define.AssetPath + "/" + Define.GameVersion);
}
int total = nameList.Count;
int progress = 0;
long currntSize = 0;
long totalSize = 0;
assetProgress = total > 1 ? "已完成：0/" + total : "";
foreach (var name in nameList)
{
totalSize += long.Parse(Define.IndexDic[name].size);
}
totalSize = totalSize / 100;
foreach (var name in nameList)
{
if (e.Cancel)
{
return;
}
string fullPathName = Define.LocalPath + Define.AssetPath + "/" + Define.GameVersion + "/" + name;
string url = Define.GetAssetUrl(name);
ServicePointManager.ServerCertificateValidationCallback += (s, cert, chain, sslPolicyErrors) => true;
ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12 | SecurityProtocolType.Tls11 | SecurityProtocolType.Tls;
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
HttpWebResponse response = request.GetResponse() as HttpWebResponse;
Stream responseStream = response.GetResponseStream();
Stream stream = new FileStream(fullPathName, FileMode.Create);
byte[] bArr = new byte[10000];
int size = responseStream.Read(bArr, 0, bArr.Length);
while (size > 0)
{
if (AssetDowloadWorker.CancellationPending)
{
e.Cancel = true;
break;
}
stream.Write(bArr, 0, size);
size = responseStream.Read(bArr, 0, bArr.Length);
currntSize = currntSize + size;
long result = currntSize / totalSize;
AssetDowloadWorker.ReportProgress((int)result);
}
stream.Dispose();
responseStream.Dispose();
if (e.Cancel)
{
File.Delete(fullPathName); // 下载到一半的文件无法使用，需作删除处理
assetProgress = "";
AssetDowloadWorker.ReportProgress(0);
}
else
{
progress = progress + 1;
assetProgress = total > 1 ? "已完成：" + progress + "/" + total : "";
}
}
}
private void btnDownLoad_Click(object sender, EventArgs e)
{
if (IndexDownloadWorker.IsBusy || AssetDowloadWorker.IsBusy)
{
MessageBox.Show("正在下载文件，不能进行其他操作。", "", MessageBoxButtons.OK, MessageBoxIcon.Asterisk);
return;
}
if (listBoxResult.SelectedItems.Count < 1)
{
labelDownLoadInfo.Text = "尚未选择要下载的资源。\n通过检索关键字或版本对比功能展示资源列表，" +
"点击选择某项或多项资源，再从此处开始下载。";
return;
}
btnAssetDownLoad.Visible = false;
btnCancelDownload.Visible = true;
StringBuilder sb = new StringBuilder("开始下载：");
List <string> selectedNames = new List <string>();
foreach (var item in listBoxResult.SelectedItems)
{
string name = item.ToString();
if (name.IndexOf(":") >= 0) // 这里假定要下载的资源名里一定不会出现英文冒号这个符号。但愿土豆程序员不会搞我。
{
if (name.Split(':')[0].Equals("Delete "))
{
continue; // 当前版本已被移除的资源仅供显示用，不加入下载列表，不进行下载
}
name = name.Split(':')[1];
}
selectedNames.Add(name);
}
if (selectedNames.Count == 0)
{
labelDownLoadInfo.Text = "未选择下载项或选择了已被移除的资源。";
return;
}
if (selectedNames.Count == 1)
{
float size = int.Parse(Define.IndexDic[selectedNames[0]].size);
sb.Append(selectedNames[0] + ", 文件大小: " + Math.Round(size / 1024, 2) + "kb. ");
}
else
{
string str;
float size = 0;
foreach (var name in selectedNames)
{
size = size + int.Parse(Define.IndexDic[name].size);
}
if (size > 1024)
{
size = size / 1024;
str = "kb";
if (size > 1024)
{
size = size / 1024;
str = "mb";
}
}
else
{
str = "byte";
}
sb.Append(selectedNames[0] + "等" + selectedNames.Count + "个文件, 合计大小: " + Math.Round(size, 2) + str + ". ");
}
labelDownLoadInfo.Text = sb.ToString();
AssetDowloadWorker.RunWorkerAsync(selectedNames);
}
