危险字符过滤的类（完美版）[2]（测试文件，尚待完善）

//没有太多时间完善它了，那位大侠有空完善它一下，完善之后给我一份？
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using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.IO;
using System.Text;
using System.Text.RegularExpressions;
using System.Runtime.Remoting;
using System.Runtime.Remoting.Proxies;
using System.Runtime.Remoting.Messaging;
using System.Reflection;
using FilterRealProxy;

namespace FilterForm
{
 /// <summary>
 /// FilterFormTest 的摘要说明。
 /// </summary>
 public class FilterFormTest : System.Windows.Forms.Form
 {
  private System.Windows.Forms.Button btnFilter;
  private System.Windows.Forms.OpenFileDialog openFileDialog1;
  private System.Windows.Forms.TextBox MyTextBox;
  private System.Windows.Forms.Button btnOpenFile;
  private System.Windows.Forms.ListBox listBox1;
  /// <summary>
  /// 必需的设计器变量。
  /// </summary>
  private System.ComponentModel.Container components = null;

  public FilterFormTest()
  {
   //
   // Windows 窗体设计器支持所必需的
   //
   InitializeComponent();

   //
   // TODO: 在 InitializeComponent 调用后添加任何构造函数代码
   //
  }

  /// <summary>
  /// 清理所有正在使用的资源。
  /// </summary>
  protected override void Dispose( bool disposing )
  {
   if( disposing )
   {
    if(components != null)
    {
     components.Dispose();
    }
   }
   base.Dispose( disposing );
  }

  #region Windows 窗体设计器生成的代码
  /// <summary>
  /// 设计器支持所需的方法 - 不要使用代码编辑器修改
  /// 此方法的内容。
  /// </summary>
  private void InitializeComponent()
  {
   this.MyTextBox = new System.Windows.Forms.TextBox();
   this.btnFilter = new System.Windows.Forms.Button();
   this.openFileDialog1 = new System.Windows.Forms.OpenFileDialog();
   this.btnOpenFile = new System.Windows.Forms.Button();
   this.listBox1 = new System.Windows.Forms.ListBox();
   this.SuspendLayout();
   //
   // MyTextBox
   //
   this.MyTextBox.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom)
    | System.Windows.Forms.AnchorStyles.Left)
    | System.Windows.Forms.AnchorStyles.Right)));
   this.MyTextBox.Location = new System.Drawing.Point(8, 8);
   this.MyTextBox.Multiline = true;
   this.MyTextBox.Name = "MyTextBox";
   this.MyTextBox.ScrollBars = System.Windows.Forms.ScrollBars.Both;
   this.MyTextBox.Size = new System.Drawing.Size(432, 360);
   this.MyTextBox.TabIndex = 0;
   this.MyTextBox.Text = "";
   //
   // btnFilter
   //
   this.btnFilter.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Right)));
   this.btnFilter.Location = new System.Drawing.Point(448, 232);
   this.btnFilter.Name = "btnFilter";
   this.btnFilter.Size = new System.Drawing.Size(88, 23);
   this.btnFilter.TabIndex = 1;
   this.btnFilter.Text = "去除危险字符";
   this.btnFilter.Click += new System.EventHandler(this.btnFilter_Click);
   //
   // btnOpenFile
   //
   this.btnOpenFile.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Right)));
   this.btnOpenFile.Location = new System.Drawing.Point(456, 48);
   this.btnOpenFile.Name = "btnOpenFile";
   this.btnOpenFile.TabIndex = 2;
   this.btnOpenFile.Text = "打开文件";
   this.btnOpenFile.Click += new System.EventHandler(this.btnOpenFile_Click);
   //
   // listBox1
   //
   this.listBox1.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Right)));
   this.listBox1.ItemHeight = 12;
   this.listBox1.Items.AddRange(new object[] {
                "Script脚本",
                "Html代码",
                "Object物件",
                "链接脚本",
                "Iframe内框架",
                "Frameset框架",
                "Src插入性脚本",
                "非法字符",
                "Include包含文件",
                "以上所有"});
   this.listBox1.Location = new System.Drawing.Point(448, 88);
   this.listBox1.MultiColumn = true;
   this.listBox1.Name = "listBox1";
   this.listBox1.Size = new System.Drawing.Size(96, 124);
   this.listBox1.TabIndex = 3;
   //
   // FilterFormTest
   //
   this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
   this.ClientSize = new System.Drawing.Size(544, 381);
   this.Controls.Add(this.listBox1);
   this.Controls.Add(this.btnOpenFile);
   this.Controls.Add(this.btnFilter);
   this.Controls.Add(this.MyTextBox);
   this.Name = "FilterFormTest";
   this.Text = "FilterFormTest";
   this.ResumeLayout(false);

  }
  #endregion

  /// <summary>
  /// The main entry point for the application.
  /// </summary>
  [STAThread]
  static void Main()
  {
   Application.Run(new FilterFormTest());
  }
  ///<summary>
  /// 实体类：该实体类必须从MarshalByRefObject继承,所以被过滤的实体类不能再从其他类继承或实现接口,这是使用透明代理的局限性。
  ///</summary>
  public class Entry : MarshalByRefObject
  {
   public Entry()
   {
   }
   public static Entry CreateInstance()
   {
    Entry entry=new Entry();
    RealProxy realProxy = new FilterRealProxy.FilterRealProxy(entry);
    object transparentProxy = realProxy.GetTransparentProxy();
    return (Entry)transparentProxy;
   }

   private string _body;
   public virtual string Body
   {
    [StringFilter((FilterType)16)]
    get{return _body;}
    set{_body = value;}
   }
  }

  private void btnFilter_Click(object sender, System.EventArgs e)
  {
   Entry en=Entry.CreateInstance();
   en.Body = MyTextBox.Text;
   MyTextBox.Text=en.Body;
  }

  private void btnOpenFile_Click(object sender, System.EventArgs e)
  {
   OpenFileDialog dlgFile=new OpenFileDialog();
   dlgFile.Filter="Html(*.htm)|*.htm|Text(*.txt)|*.txt|All Files(*.*)|*.*";
   if(dlgFile.ShowDialog() == DialogResult.OK)
   {
    System.IO.StreamReader sr=new System.IO.StreamReader(dlgFile.FileName,System.Text.Encoding.Default);//得到一个含有script脚本的字符串
    MyTextBox.Text = sr.ReadToEnd();
    sr.Close();
   }
  }

  private void comboBox1_SelectedIndexChanged(object sender, System.EventArgs e)
  {
  
  }
 }
}

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