C# 通过反射获取MVC Controller里的类名，方法名，参数列表，返回值类型，Description描述，自定义Attribute

namespace ElegantWM.WebUI.Areas.Admin.Controllers
{
[Description("功能模块管理")]
public class ModuleController : BaseController
{
[Action]
[Description("根据系统编号，获取系统的功能模块")]
[HttpGet]
public string Get(Guid sysId)
{
...
return json;
}

[Action]
[Description("新建功能模块")]
[HttpPost]
public JsonResult Create(WMS_Module module)
{
...
}

[Action]
[Description("修改功能模块")]
[HttpPut]
public JsonResult Update(WMS_Module module)
{
...
}

[Action]
[Description("删除功能模块")]
[HttpDelete]
public JsonResult Delete(WMS_Module module)
{
...
}
}
}

Assembly assembly = Assembly.LoadFrom(@"ElegantWM.WebUI.dll");
var types = assembly.GetTypes();
foreach (var type in types)
{
if (type.BaseType.Name == "BaseController")//如果是Controller
{
var members = type.GetMethods();
foreach (var member in members)
{
//获取HTTPAttribute
IEnumerable<Attribute> atts = member.GetCustomAttributes();
bool isAction = false;
foreach (Attribute a in atts)
{
if (a.GetType().Name == "Action" || a.GetType().Name == "Page")
{
richTextBox1.AppendText(a.GetType().Name + "\r\n");
isAction = true;
}
else if (a.ToString().Contains("System.Web.Mvc.Http"))
{
richTextBox1.AppendText(a.GetType().Name.Replace("Http", "").Replace("Attribute", "") + "\r\n");
}
}
if (!isAction) continue;

//获取返回值
　　　　　　　　　　　　　　richTextBox1.AppendText(member.ReturnType.Name + "\r\n");

//获取方法说明
object[] attrs = member.GetCustomAttributes(typeof(System.ComponentModel.DescriptionAttribute), true);
if (attrs.Length > 0)
richTextBox1.AppendText((attrs[0] as System.ComponentModel.DescriptionAttribute).Description + "\r\n");

//获取参数
ParameterInfo[] param = member.GetParameters();
StringBuilder sb = new StringBuilder();
foreach (ParameterInfo pm in param)
{
sb.Append(pm.ParameterType.Name + " " + pm.Name + ",");
}
richTextBox1.AppendText("(" + sb.ToString().Trim(',') + ")" + "\r\n");

//获取方法名称
richTextBox1.AppendText(member.Name + "\r\n");

//获取类名
richTextBox1.AppendText(member.DeclaringType.Name + "\r\n");

richTextBox1.AppendText("--------------------------\r\n");

}
}
}