/// <summary>
/// 依赖库加载失败事件, 用于重定向到本项目下加载
/// </summary>
/// <param name="sender"></param>
/// <param name="args"></param>
/// <returns></returns>
private static Assembly CurrentDomain_AssemblyResolve(object sender, ResolveEventArgs args)
{
if (args.Name.Contains(".resources"))
{
return(null);
}
Assembly[] loadAssembly = AppDomain.CurrentDomain.GetAssemblies();
Assembly assembly = loadAssembly.Where(w => w.FullName.CompareTo(args.Name) == 0).LastOrDefault();
if (assembly != null) // 不为 null 说明载入的库版本号相同, 则直接使用已载入的资源
{
return(assembly);
}
if (string.IsNullOrEmpty(assembly.Location))
{
Uri uri = new Uri(assembly.CodeBase);
if (uri.IsFile)
{
// 此实例为 酷Q data\tmp 目录下的组件
if (File.Exists(uri.LocalPath))
{
assembly = Assembly.LoadFile(uri.LocalPath);
}
}
}
// 解析托管资源
if (args.RequestingAssembly != null)
{
Assembly tmp = AssemblyHelper.AssemblyLoad(args.Name, assembly);
if (tmp != null)
{
return(tmp);
}
}
// 解析非内嵌组件, 非托管, 可执行文件
Uri uriOuter = new Uri(assembly.Location == null ? assembly.CodeBase : assembly.Location);
if (!string.IsNullOrEmpty(uriOuter.LocalPath) && uriOuter.IsFile)
{
Queue <string> paths = new Queue <string> ();
string path = Path.GetDirectoryName(uriOuter.LocalPath);
if (Directory.Exists(path))
{
//存取本组件目录下的文件
///coolq/data/tmp/cqpp/{guid}/...
foreach (var f in Directory.GetFiles(path))
{
if (AssemblyHelper.IsDotNetAssembly(f))
{
paths.Enqueue(f);
}
}
}
//存取 酷Q /bin目录下的文件
string bin = Path.Combine(Directory.GetCurrentDirectory(), "bin");
if (Directory.Exists(bin))
{
foreach (var f in Directory.GetFiles(bin, "*.dll"))
{
if (AssemblyHelper.IsDotNetAssembly(f))
{
paths.Enqueue(f);
}
}
}
foreach (var file in paths)
{
if (File.Exists(file))
{
//托管组件
try
{
AssemblyName assemblyName = AssemblyName.GetAssemblyName(file);
Assembly tmp = Assembly.LoadFile(file);
tmp = AssemblyHelper.AssemblyLoad(args.Name, tmp);
if (tmp != null)
{
return(tmp);
}
}
catch { }
//因为无法正确判定非托管组件，交回原请求者的重定向处理。
}
}
}
if (assembly.FullName == args.Name)
{
return(assembly);
}
//若为内嵌文件(如:WPF .xaml, .resources)，尝试返回其请求者，自会进行解析。
//若请求者为null，返回null交由下一AssemblyResolve处理，即最终交由原请求者的重定向处理。
if (args.RequestingAssembly == Assembly.GetExecutingAssembly())
{
return(null);
}
return(args.RequestingAssembly);
}
