Class reflection sample
Reflection.aspx
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Reflection.aspx.cs" Inherits="Reflection" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title>Class reflection sample</title>
<style>
div{font-size:12px;}
</style>
</head>
<body>
<form id="form1" runat="server">
<h3>Class reflection sample</h3>
<div>
<asp:Label runat="server" ID="ProperList">
</asp:Label>
<hr />
<asp:Label runat="server" ID="MethodList">
</asp:Label>
<hr />
<asp:Label runat="server" ID="EventList">
</asp:Label>
<hr />
</div>
</form>
</body>
</html>
Reflection.aspx.cs
using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Reflection;
public partial class Reflection : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs ea)
{
//Type t = Type.GetType("System.Web.UI.WebControls.LinkButton");
Type t = typeof(LinkButton);
ConstructorInfo ci = t.GetConstructor(new Type[] { }); //获取当前 Type 的特定构造函数。
object o = ci.Invoke(null); //调用该实例反映的构造函数
{
PropertyInfo p = t.GetProperty("Text"); //获取当前 Type 的特定属性
p.SetValue(o, "Hello world", null);
}
PropertyInfo[] propers = t.GetProperties();//获取当前 Type 的属性。
foreach (PropertyInfo p in propers)
{
ProperList.Text += p.Name + " = " + p.GetValue(o, null) + "<br/>";
}
//方法
MethodInfo[] methods = t.GetMethods();
foreach (MethodInfo m in methods)
{
if (m.IsPublic == true)
{
MethodList.Text += " public ";
}
if (m.IsVirtual == true)
{
MethodList.Text += " virtual ";
}
if (m.IsStatic == true)
{
MethodList.Text += " static ";
}
MethodList.Text += "<span style=\"color:blue\">" + m.ReturnType.ToString() + "</span> " + m.Name + " (";
ParameterInfo[] paras = m.GetParameters();
bool IsParameter = false;
foreach (ParameterInfo pa in paras)
{
MethodList.Text += "<span style=\"color:blue\">" + pa.ParameterType.ToString() + "</span> " + pa.Name + ",";
IsParameter = true;
}
if (IsParameter == true)
{
MethodList.Text = MethodList.Text.Substring(0, MethodList.Text.Length - 1);
}
MethodList.Text += ")<br/>";
}
//事件
EventInfo[] events = t.GetEvents();
foreach (EventInfo e in events)
{
EventList.Text += e.Name;
EventList.Text += "<br/>";
}
this.form1.Controls.Add((Control)o);
}
}
结果
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Reflection.aspx.cs" Inherits="Reflection" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd"><html xmlns="http://www.w3.org/1999/xhtml" ><head runat="server"> <title>Class reflection sample</title> <style> div{font-size:12px;}
div </style></head><body> <form id="form1" runat="server"> <h3>Class reflection sample</h3> <div> <asp:Label runat="server" ID="ProperList"> </asp:Label> <hr /> <asp:Label runat="server" ID="MethodList"> </asp:Label> <hr /> <asp:Label runat="server" ID="EventList"> </asp:Label> <hr /> </div> </form></body></html>Reflection.aspx.cs
using System;using System.Data;using System.Configuration;using System.Collections;using System.Web;using System.Web.Security;using System.Web.UI;using System.Web.UI.WebControls;using System.Web.UI.WebControls.WebParts;using System.Web.UI.HtmlControls;using System.Reflection;public partial class Reflection : System.Web.UI.Page{ protected void Page_Load(object sender, EventArgs ea) { //Type t = Type.GetType("System.Web.UI.WebControls.LinkButton"); Type t = typeof(LinkButton); ConstructorInfo ci = t.GetConstructor(new Type[] { }); //获取当前 Type 的特定构造函数。 object o = ci.Invoke(null); //调用该实例反映的构造函数 { PropertyInfo p = t.GetProperty("Text"); //获取当前 Type 的特定属性 p.SetValue(o, "Hello world", null); } PropertyInfo[] propers = t.GetProperties();//获取当前 Type 的属性。 foreach (PropertyInfo p in propers) { ProperList.Text += p.Name + " = " + p.GetValue(o, null) + "<br/>"; } //方法 MethodInfo[] methods = t.GetMethods(); foreach (MethodInfo m in methods) { if (m.IsPublic == true) { MethodList.Text += " public "; } if (m.IsVirtual == true) { MethodList.Text += " virtual "; } if (m.IsStatic == true) { MethodList.Text += " static "; } MethodList.Text += "<span style=\"color:blue\">" + m.ReturnType.ToString() + "</span> " + m.Name + " ("; ParameterInfo[] paras = m.GetParameters(); bool IsParameter = false; foreach (ParameterInfo pa in paras) { MethodList.Text += "<span style=\"color:blue\">" + pa.ParameterType.ToString() + "</span> " + pa.Name + ","; IsParameter = true; } if (IsParameter == true) { MethodList.Text = MethodList.Text.Substring(0, MethodList.Text.Length - 1); } MethodList.Text += ")<br/>"; } //事件 EventInfo[] events = t.GetEvents(); foreach (EventInfo e in events) { EventList.Text += e.Name; EventList.Text += "<br/>"; } this.form1.Controls.Add((Control)o); }}结果
posted on 2005-07-21 14:18 Goodspeed 阅读(1889) 评论(0) 编辑 收藏 举报
