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