using System.Reflection;

public static class AppDomainExtents
{
    /// <summary>
    /// 获取AppDomain所有程序集(先扫描exe目录,然后递归检测exe的依赖)
    /// </summary>
    /// <param name="domain"></param>
    /// <param name="prefix">程序集前缀</param>
    /// <remarks>如果某个dll被反射加载,同时程序被发布为自包含的单个exe程序,这种dll目前检测不到</remarks>
    /// <returns></returns>
    public static Assembly[] GetAllAssemblies(this AppDomain domain, string prefix = "ips")
    {
        Dictionary<string, Assembly> dic = new Dictionary<string, Assembly>();
        var exe = Assembly.GetEntryAssembly();
        dic[exe.FullName] = exe;
        var files = Directory.GetFiles(domain.BaseDirectory, prefix + "*.dll", SearchOption.AllDirectories);
        foreach (var item in files)
        {
            //如果一个dll在项目中被反射加载,这种情况需要需要从目录中检索dll
            var assembly = Assembly.LoadFrom(item);
            dic[assembly.FullName] = assembly;
        }
        domain.GetAssemblies().ToList().ForEach(i =>
        {
            if (dic.ContainsKey(i.FullName)) return;
            if (i.FullName != null && i.FullName.ToUpper().StartsWith(prefix.ToUpper()))
                dic[i.FullName] = i;
            GetReferanceAssemblies(i, dic, prefix);
        });
        var res = dic.Values.OrderBy(p => p.FullName).ToArray();
        return res;
    }
    static void GetReferanceAssemblies(Assembly assembly, Dictionary<string, Assembly> dic, string prefix)
    {
        assembly.GetReferencedAssemblies().ToList().ForEach(i =>
        {
            if (dic.ContainsKey(i.FullName)) return;
            if (i.Name == null || !i.Name.ToUpper().StartsWith(prefix.ToUpper())) return;
            var ass = Assembly.Load(i);
            dic[i.FullName] = ass;
            GetReferanceAssemblies(ass, dic, prefix);
        });
    }
}