public InstallDialog(IHost host, UpdateInfo[] infos)
{
Init();
_host = host;
_infos = new List<UpdateInfo>(infos);
_unzipBaseDir = Path.Combine(_host.App.AppCurrentDir, "tmp");
if (!Directory.Exists(_unzipBaseDir))
{
Directory.CreateDirectory(_unzipBaseDir);
}
DownloadNextPlugin();
}
/// <summary>
/// 解压
/// </summary>
private bool Unzip(UpdateInfo info)
{
var zipFile = Path.Combine(_unzipBaseDir, Path.GetFileName(info.DownloadUrl)??info.Name+".zip");
var unzipDir = Path.Combine(_unzipBaseDir, info.Name);
return ZipUtil.Decompress(zipFile, unzipDir, true);
}
/// <summary>
/// 安装插件
/// </summary>
private void InstallPlugin(UpdateInfo info)
{
var msg = "";
//解压
DownloadUrl = string.Format("Unzip {0} ...", info.Name);
Progress += 25;
if (!Unzip(info))
{
msg = string.Format("Unzip {0} failed", info.Name);
MessageBox.Show(msg, "Error", MessageBoxButtons.OK, MessageBoxType.Error);
}
//拷贝
DownloadUrl = string.Format("Install {0} ...", info.Name);
Progress += 25;
var unzipDir = Path.Combine(_unzipBaseDir, info.Name);
if (CopyPluginFiles(info.Install.CopyFiles, unzipDir, _host.App.AppCurrentDir, _host.App.AppPluginDir, info.Name))
{
msg = string.Format("Install {0} success", info.Name);
MessageBox.Show(msg, "Success", MessageBoxButtons.OK, MessageBoxType.Information);
}
else
{
msg = string.Format("Install {0} failed", info.Name);
MessageBox.Show(msg, "Error", MessageBoxButtons.OK, MessageBoxType.Error);
}
}
private void DownloadPlugin(UpdateInfo info)
{
var downloadUrl = info.DownloadUrl;
var saveName = Path.Combine(_unzipBaseDir, Path.GetFileName(info.DownloadUrl) ?? info.Name+".zip");
DownloadUrl = downloadUrl;
Progress = 0;
var client = new WebClient();
client.DownloadProgressChanged += client_DownloadProgressChanged;
client.DownloadFileCompleted += client_DownloadFileCompleted;
client.DownloadFileAsync(new Uri(downloadUrl), saveName, info);
}
/// <summary>
/// 读取xml文件
/// </summary>
public UpdateInfo[] ReadUpdateXml()
{
var filePath = _updateXmlPath;
var infos = new List<UpdateInfo>();
try
{
var xml = new XmlDocument(); //初始化一个xml实例
xml.Load(filePath); //导入指定xml文件
XmlNode root = xml.SelectSingleNode("/update/plugins"); //指定一个节点
XmlNodeList childlist = root.ChildNodes; //获取节点下所有直接子节点
foreach (XmlNode child in childlist)
{
if (child.Name == "plugin")
{
var info = new UpdateInfo();
//判断name属性是否存在
if (child.Attributes["name"] == null) continue;
var name = child.Attributes["name"].Value;
XmlNode authorNode = child.SelectSingleNode("author");
if (authorNode == null) continue;
var author = authorNode.InnerText;
XmlNode desNode = child.SelectSingleNode("description");
if (desNode == null) continue;
var des = desNode.InnerText;
XmlNode versionNode = child.SelectSingleNode("version");
if (versionNode == null) continue;
var version = versionNode.Attributes["number"].Value;
var required = versionNode.Attributes["required"].Value;
var md5 = versionNode.Attributes["md5"].Value;
XmlNode downloadNode = child.SelectSingleNode("download");
if (downloadNode == null) continue;
var download = downloadNode.InnerText;
info.Name = name;
info.Author = author;
info.Description = des;
info.Version = new UpdateInfo.VersionInfo(version, required, md5);
info.DownloadUrl = download;
infos.Add(info);
}
}
return infos.ToArray();
}
catch (Exception ex)
{
}
return null;
}
private UpdateInfo ReadInfoXml(string infoPath)
{
if (!File.Exists(infoPath)) return null;
try
{
var info = new UpdateInfo();
var xml = new XmlDocument();
xml.Load(infoPath);
var root = xml.SelectSingleNode("/plugin");
var nameNode = root.SelectSingleNode("name");
var name = nameNode != null ? nameNode.InnerText : "";
var authorNode = root.SelectSingleNode("author");
var author = authorNode != null ? authorNode.InnerText : "";
var desNode = root.SelectSingleNode("description");
var des = desNode != null ? desNode.InnerText : "";
var versionNode = root.SelectSingleNode("version");
var version = versionNode != null ? versionNode.Attributes["number"].Value : "";
var required = versionNode != null ? versionNode.Attributes["required"].Value : "";
info.Name = name;
info.Author = author;
info.Description = des;
info.Version = new UpdateInfo.VersionInfo(version, required, "");
info.CanUpdate = _host.App.AppVersion >= info.Version.RequiredVersion;
return info;
}
catch (Exception ex)
{
}
return null;
}
