/// <summary>创建客户端</summary>
/// <param name="url">路径</param>
/// <returns></returns>
protected virtual String Request(String url)
{
if (_Client == null)
{
_Client = new WebClientX();
}
return(LastHtml = _Client.GetHtml(url));
}
/// <summary>加载插件</summary>
/// <param name="typeName"></param>
/// <param name="disname"></param>
/// <param name="dll"></param>
/// <param name="linkName"></param>
/// <param name="urls">提供下载地址的多个目标页面</param>
/// <returns></returns>
public static Type LoadPlugin(String typeName, String disname, String dll, String linkName, String urls = null)
{
var type = typeName.GetTypeEx(true);
if (type != null)
{
return(type);
}
if (dll.IsNullOrEmpty())
{
return(null);
}
lock (typeName)
{
var set = Setting.Current;
var plug = set.GetPluginPath();
var file = "";
if (!dll.IsNullOrEmpty())
{
// 先检查当前目录，再检查插件目录
file = dll.GetFullPath();
if (!File.Exists(file) && Runtime.IsWeb)
{
file = "Bin".GetFullPath().CombinePath(dll);
}
if (!File.Exists(file))
{
file = plug.CombinePath(dll);
}
}
if (urls.IsNullOrEmpty())
{
urls = set.PluginServer;
}
// 如果本地没有数据库，则从网络下载
if (!File.Exists(file))
{
XTrace.WriteLine("{0}不存在或平台版本不正确，准备联网获取 {1}", disname ?? dll, urls);
var client = new WebClientX(true, true)
{
Log = XTrace.Log
};
var dir = Path.GetDirectoryName(file);
var file2 = client.DownloadLinkAndExtract(urls, linkName, dir);
client.TryDispose();
}
if (!File.Exists(file))
{
XTrace.WriteLine("未找到 {0} {1}", disname, dll);
return(null);
}
//return Assembly.LoadFrom(file).GetType(typeName);
return(typeName.GetTypeEx(true));
}
}