一个能设置验证信息样式的WebTextBox基本验证复合控件

http://gyche.cnblogs.com/    前些日子看见有人写了一个WebTextBox基本验证复合控件，感觉挺好用，唯一不足是不能方便地设置验证失败时显示的信息的样式。本人于是又对该复合控件进行了重写，对其添加了更多验证方式的选择，并能方便地对验证失败时显示的信息样式进行控制。以下是源代码：
    

  1using System;
  2using System.Collections.Generic;
  3using System.ComponentModel;
  4using System.Text;
  5using System.Web;
  6using System.Web.UI;
  7using System.Web.UI.WebControls;
  8using System.Drawing;
  9using System.Drawing.Design;
 10
 11namespace GuoyongChe.WebCtrlLib
 12{
 13    /**//// <summary>
 14    /// 重写的TextBox控件
 15    /// Author: GuoyongChe
 16    /// Date: 2007-12-22
 17    /// Email: Guoyong.Che@Gmail.com
 18    /// QQ:  19892257
 19    /// <summary>
 20    /// 
 21    枚举数据#region 枚举数据
 22    /**//// <summary>
 23    /// 验证数据类型
 24    /// </summary>
 25    public enum DataType
 26    {
 27        Never,     //不验证
 28        String,     //字符串
 29        Int,     //整数
 30        IntPostive,    //大于0的整数
 31        IntZeroPostive,   //大于等于0的整数
 32        Float,     //数字
 33        FloatPostive,   //大于0的数字
 34        FloatZeroPostive,  //大于等于0的数字
 35        Url,
 36        Mail,
 37        Date,   //日期
 38        ChineseChars,   //汉字字符串
 39        EnglishChars,   //英文
 40        EngNum,     //英文和数字
 41        EngNumUnerline,   //英文、数字和下划线
 42        PhoneNumber,   //电话号码
 43        MobileNumber,   //手机号码
 44        PostalCode,    //邮政编码
 45        QQ, //QQ号码
 46        IdentityCode,   //身份证号码
 47        IP, //IP地址
 48        Custom
 49    }
 50    #endregion
 51
 52    /**//// Attribute DefaultProperty指定组件的默认属性，ToolboxData指定当从IDE工具中的工具箱中拖动自定义控件时为它生成的默认标记
 53    [DefaultProperty("AllowEmpty"), ToolboxData("<{0}:WebTextBox runat=server></{0}:WebTextBox>")]
 54
 55    //类MyControl派生自WebControl
 56    public class WebTextBox : System.Web.UI.WebControls.TextBox
 57    {
 58        子控件#region 子控件
 59        //private System.Web.UI.WebControls.TextBox txtDataInput = new TextBox();
 60        private System.Web.UI.WebControls.RequiredFieldValidator rfvDataInput = new RequiredFieldValidator();
 61        private System.Web.UI.WebControls.RegularExpressionValidator revDataInput = new RegularExpressionValidator();
 62        private Panel pnlFrame = new Panel();    //承载其它控件的容器Panel控件
 63        #endregion
 64
 65        private string error = "";
 66
 67        控件自定义属性#region 控件自定义属性
 68
 69        [Bindable(true)]
 70        [Category("自定义信息区")]
 71        [Browsable(true)]
 72        [Description("是否允许空值")]
 73        [DefaultValue("true")]
 74        public bool AllowEmpty
 75        {
 76            get { return ViewState["AllowEmpty"] == null ? true : (bool)ViewState["AllowEmpty"]; }
 77            set { ViewState["AllowEmpty"] = value; }
 78        }
 79
 80        [Bindable(true)]
 81        [Category("自定义信息区")]
 82        [Browsable(true)]
 83        [Description("验证数据类型，默认为不验证")]
 84        [DefaultValue("IntPostive")]
 85        public DataType ValidType
 86        {
 87            get { return ViewState["ValidType"] == null ? DataType.Never : (DataType)ViewState["ValidType"]; }
 88            set { ViewState["ValidType"] = value; }
 89        }
 90
 91        [Bindable(true)]
 92        [Browsable(true)]
 93        [Category("自定义信息区")]
 94        [Description("自定义验证错误信息")]
 95        [DefaultValue("")]
 96        public string ValidError
 97        {
 98            get { return ViewState["ValidError"] == null ? "" : (string)ViewState["ValidError"]; }
 99            set { ViewState["ValidError"] = value; }
100        }
101
102        [Bindable(true)]
103        [Browsable(true)]
104        [Category("自定义信息区")]
105        [Description("自定义用于验证的正则表达式，ValidType 为 Custom 时有效")]
106        [DefaultValue("")]
107        public string ValidExpressionCustom
108        {
109            get { return ViewState["ValidExpressionCustom"] == null ? "" : (string)ViewState["ValidExpressionCustom"]; }
110            set { ViewState["ValidExpressionCustom"] = value; }
111        }
112
113        [Bindable(true)]
114        [Browsable(true)]
115        [Category("自定义信息区")]
116        [Description("错误信息提示的CSS类名")]
117        [DefaultValue("")]
118        public string CssError
119        {
120            get { return ViewState["CssError"] == null ? "" : (string)ViewState["CssError"]; }
121            set { ViewState["CssError"] = value; }
122        }
123
124        [Bindable(true)]
125        [Browsable(true)]
126        [Category("自定义信息区")]
127        [Description("验证控件的前景色")]
128        [DefaultValue("")]
129        public Color ValidateForeColor
130        {
131            get
132            {
133                if (ViewState["ValidateForeColor"] == null)
134                    return Color.Red;
135                return (Color)ViewState["ValidateForeColor"];
136            }
137            set { ViewState["ValidateForeColor"] = value; }
138        }
139
140        [Bindable(true)]
141        [Browsable(true)]
142        [Category("自定义信息区")]
143        [Description("验证控件的背景色")]
144        [DefaultValue("")]
145        public Color ValidateBackColor
146        {
147            get
148            {
149                if (ViewState["ValidateBackColor"] == null)
150                    return Color.Transparent;
151                return (Color)ViewState["ValidateBackColor"];
152            }
153            set { ViewState["ValidateBackColor"] = value; }
154        }
155
156        [Category("自定义信息区")]
157        [DefaultValue(""), RefreshProperties(RefreshProperties.Repaint), Description("验证控件的字体大小"), NotifyParentProperty(true)]
158        public FontUnit ValidateFontSize
159        {
160            get
161            {
162
163                if (ViewState["ValidateFontSize"] != null)
164                    return (FontUnit)ViewState["ValidateFontSize"];
165                return FontUnit.Medium;
166            }
167            set { ViewState["ValidateFontSize"] = value; }
168        }
169
170        [Category("自定义信息区")]
171        [DefaultValue("false"), RefreshProperties(RefreshProperties.Repaint), Description("验证控件的字体加粗"), NotifyParentProperty(true)]
172        public bool ValidateFontBold
173        {
174            get
175            {
176
177                if (ViewState["ValidateFontBold"] != null)
178                    return (bool)ViewState["ValidateFontBold"];
179                return false;
180            }
181            set { ViewState["ValidateFontBold"] = value; }
182        }
183
184        [Category("自定义信息区")]
185        [DefaultValue("false"), RefreshProperties(RefreshProperties.Repaint), Description("验证控件的字体斜体"), NotifyParentProperty(true)]
186        public bool ValidateFontItalic
187        {
188            get
189            {
190
191                if (ViewState["ValidateFontItalic"] != null)
192                    return (bool)ViewState["ValidateFontItalic"];
193                return false;
194            }
195            set { ViewState["ValidateFontItalic"] = value; }
196        }
197
198        [Category("自定义信息区")]
199        [DefaultValue("false"), RefreshProperties(RefreshProperties.Repaint), Description("验证控件的字体上划线"), NotifyParentProperty(true)]
200        public bool ValidateFontOverLine
201        {
202            get
203            {
204
205                if (ViewState["ValidateFontOverLine"] != null)
206                    return (bool)ViewState["ValidateFontOverLine"];
207                return false;
208            }
209            set { ViewState["ValidateFontOverLine"] = value; }
210        }
211
212        [Category("自定义信息区")]
213        [DefaultValue("false"), RefreshProperties(RefreshProperties.Repaint), Description("验证控件的字体删除线"), NotifyParentProperty(true)]
214        public bool ValidateFontStrikeout
215        {
216            get
217            {
218
219                if (ViewState["ValidateFontStrikeout"] != null)
220                    return (bool)ViewState["ValidateFontStrikeout"];
221                return false;
222            }
223            set { ViewState["ValidateFontStrikeout"] = value; }
224        }
225        [Category("自定义信息区")]
226        [DefaultValue(""), RefreshProperties(RefreshProperties.Repaint), Description("验证控件的CSSClass属性"), NotifyParentProperty(true)]
227        public string ValidateCSSClass
228        {
229            get
230            {
231
232                if (ViewState["ValidateCSSClass"] != null)
233                    return ViewState["ValidateCSSClass"].ToString();
234                return string.Empty;
235            }
236            set { ViewState["ValidateCSSClass"] = value; }
237        }
238        [Category("自定义信息区")]
239        [DefaultValue("false"), RefreshProperties(RefreshProperties.Repaint), Description("验证控件的字体下划线"), NotifyParentProperty(true)]
240        public bool ValidateFontUnderline
241        {
242            get
243            {
244
245                if (ViewState["ValidateFontUnderline"] != null)
246                    return (bool)ViewState["ValidateFontUnderline"];
247                return false;
248            }
249            set { ViewState["ValidateFontUnderline"] = value; }
250        }
251        [Category("自定义信息区"), DefaultValue(""), Description("验证控件的字体名")]
252        [Editor("System.Drawing.Design.FontNameEditor, System.Drawing.Design, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a", typeof(UITypeEditor)), TypeConverter(typeof(FontConverter.FontNameConverter))]
253        public string ValidateFontName
254        {
255            get
256            {
257                if (ViewState["ValidateFontName"] != null)
258                    return (string)ViewState["ValidateFontName"];
259                return string.Empty;
260            }
261            set
262            {
263                ViewState["ValidateFontName"] = value;
264            }
265        }
266
267        #endregion
268
269        构造函数#region 构造函数
270        public WebTextBox() { }
271        #endregion
272
273        EnsureChildControls#region EnsureChildControls
274        protected override void EnsureChildControls()
275        {
276            this.rfvDataInput.CssClass = this.CssError;
277            this.rfvDataInput.ErrorMessage = "*输入不能为空";
278            this.rfvDataInput.Display = System.Web.UI.WebControls.ValidatorDisplay.Dynamic;
279            this.rfvDataInput.EnableViewState = true;
280            this.rfvDataInput.ControlToValidate = base.ID;
281            this.rfvDataInput.ForeColor = ValidateForeColor;
282
283            this.rfvDataInput.BackColor = ValidateBackColor;
284            if (ValidateFontSize != null)
285            {
286                this.rfvDataInput.Font.Size = ValidateFontSize;
287            }
288            this.rfvDataInput.Font.Bold = ValidateFontBold;
289            this.rfvDataInput.Font.Italic = ValidateFontItalic;
290            this.rfvDataInput.Font.Strikeout = ValidateFontStrikeout;
291            this.rfvDataInput.Font.Overline = ValidateFontOverLine;
292            this.rfvDataInput.Font.Underline = ValidateFontUnderline;
293            if (!string.IsNullOrEmpty(ValidateFontName))
294                this.rfvDataInput.Font.Name = ValidateFontName;
295            if(!string.IsNullOrEmpty(ValidateCSSClass))
296                this.rfvDataInput.CssClass=ValidateCSSClass;
297
298            this.revDataInput.CssClass = this.CssError;
299            this.revDataInput.ErrorMessage = "*输入格式错误";
300            this.revDataInput.Display = System.Web.UI.WebControls.ValidatorDisplay.Dynamic;
301            this.revDataInput.EnableViewState = true;
302            this.revDataInput.ControlToValidate = base.ID;
303            this.revDataInput.ForeColor = ValidateForeColor;
304
305            this.revDataInput.BackColor = ValidateBackColor;
306            if (ValidateFontSize != null)
307            {
308                this.revDataInput.Font.Size = ValidateFontSize;
309            }
310            this.revDataInput.Font.Bold = ValidateFontBold;
311            this.revDataInput.Font.Bold = ValidateFontBold;
312            this.revDataInput.Font.Italic = ValidateFontItalic;
313            this.revDataInput.Font.Strikeout = ValidateFontStrikeout;
314            this.revDataInput.Font.Overline = ValidateFontOverLine;
315            this.revDataInput.Font.Underline = ValidateFontUnderline;
316            if (!string.IsNullOrEmpty(ValidateFontName))
317                this.revDataInput.Font.Name = ValidateFontName;
318            if (!string.IsNullOrEmpty(ValidateCSSClass))
319                this.revDataInput.CssClass = ValidateCSSClass;
320
321            //将子控件添加到此自定义控件中
322            this.Controls.Add(rfvDataInput);
323            this.Controls.Add(revDataInput);
324            this.Controls.Add(pnlFrame);
325        }
326        #endregion
327
328        /**//// <summary>
329        /// 根据设置的验证数据类型返回不同的正则表达式样
330        /// </summary>
331        /// <returns></returns>
332        GetRegex#region GetRegex
333        private string GetValidRegex()
334        {
335            string regex = @"(\S)";
336            switch (this.ValidType)
337            {
338                case DataType.Never:
339                    break;
340                case DataType.Int:
341                    error = "*必须为整数";
342                    regex = @"(-)?(\d+)";
343                    break;
344                case DataType.IntPostive:
345                    error = "*必须为大于0的整数";
346                    regex = @"([1-9]{1}\d*)";
347                    break;
348                case DataType.IntZeroPostive:
349                    error = "*必须为不小于0的整数";
350                    regex = @"(\d+)";
351                    break;
352                case DataType.Float:
353                    error = "*必须为数字";
354                    regex = @"(-)?(\d+)(((\.)(\d)+))?";
355                    break;
356                case DataType.FloatPostive:
357                    error = "*必须为大于0的数字";
358                    regex = @"(\d+)(((\.)(\d)+))?";
359                    break;
360                case DataType.FloatZeroPostive:
361                    error = "*必须为不小于0的数字";
362                    regex = @"(\d+)(((\.)(\d)+))?";
363                    break;
364                case DataType.Url:
365                    error = "*URL格式错误";
366                    regex = @"(http://)?([\w-]+\.)+[\w-]+(/[\w- ./?%&=]*)?";
367                    break;
368                case DataType.Mail:
369                    error = "*EMail格式错误";
370                    regex = @"\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*";
371                    break;
372                case DataType.ChineseChars :
373                     error = "*只能输入中文字符";
374                     regex = @"[\u4e00-\u9fa5]*";
375                     break;
376                case DataType.EnglishChars:
377                    error = "*只能输入英文字符";
378                    regex = @"[a-zA-Z]*";
379                    break;
380                case DataType.EngNum:
381                    error = "*只能输入英文字符和数字";
382                    regex = @"[a-zA-Z0-9]*";
383                    break;
384                case DataType.EngNumUnerline:
385                    error = "*只能输入英文字符、数字和下划线";
386                    regex = @"[a-zA-Z0-9_]*";
387                    break;
388                case DataType.PhoneNumber:
389                    error = "*电话号码格式错误";
390                    regex = @"(86)?(-)?(0\d{2,3})?(-)?(\d{7,8})(-)?(\d{1,5})?";
391                    break;
392                case DataType.MobileNumber:
393                    error = "*手机号码格式错误";
394                    regex = @"(0)?(1)\d{10}";
395                    break;
396                case DataType.PostalCode:
397                    error = "*邮编格式错误";
398                    regex = @"\d{6}";
399                    break;
400                case DataType.Date:
401                    error = "*日期格式错误(YYYY-MM-DD)";
402                    regex = @"^(((((0[48]00)|(0[1-9]((0[48])|([2468][048])|([13579][26]))))-02-29)|((0[1-9][0-9][0-9])-((((0[13578])|(1[02]))-31)|(((0[1,3-9])|(1[0-2]))-(29|30))|(((0[1-9])|(1[0-2]))-((0[1-9])|(1[0-9])|(2[0-8])))))))|((((((([13579][26])|([2468][048]))00)|([1-9][0-9]((0[48])|([13579][26])|([2468][048]))))-02-29)|(([1-9][0-9][0-9][0-9])-((((0[13578])|(1[02]))-31)|(((0[1,3-9])|(1[0-2]))-(29|30))|(((0[1-9])|(1[0-2]))-((0[1-9])|(1[0-9])|(2[0-8])))))))|((((00((0[48])|([2468][048])|([13579][26])))-02-29)|((00((0[1-9])|([1-9][0-9])))-((((0[13578])|(1[02]))-31)|(((0[1,3-9])|(1[0-2]))-(29|30))|(((0[1-9])|(1[0-2]))-((0[1-9])|(1[0-9])|(2[0-8])))))))$";
403                    break;
404                case DataType.IdentityCode:
405                    error = "*身份证号码格式错误";
406                    regex = @"\d{18}";
407                    break;
408                case DataType.QQ:
409                    error = "*QQ号码格式错误";
410                    regex = @"[1-9][0-9]{4,}";
411                    break;
412                case DataType.IP:
413                    error = "*IP地址格式错误";
414                    regex = @"\d+\.\d+\.\d+\.\d+";
415                    break;
416                case DataType.Custom:
417                    error = "*格式错误";
418                    regex = this.ValidExpressionCustom;
419                    break;
420                default:
421                    break;
422            }
423            if (this.ValidError.Trim() != "")
424                error = this.ValidError;
425            return regex;
426        }
427        #endregion
428
429        将此控件呈现给指定的输出参数#region 将此控件呈现给指定的输出参数
430        /**//// <summary> 
431        /// 将此控件呈现给指定的输出参数。
432        /// </summary>
433        /// <param name="output"> 要写出到的 HTML 编写器 </param>
434        protected override void Render(HtmlTextWriter output)
435        {
436            base.Render(output);
437            output.Write("&nbsp;");
438
439            if (!this.AllowEmpty)
440            {
441                this.rfvDataInput.ID = "rfv" + base.ID;
442                this.rfvDataInput.ControlToValidate = base.ID;
443                this.rfvDataInput.RenderControl(output);
444            }
445
446            if (this.ValidType != DataType.Never && this.ValidType != DataType.String)
447            {
448                this.revDataInput.ID = "rev" + base.ID;
449                this.revDataInput.ControlToValidate = base.ID;
450                this.revDataInput.ValidationExpression = this.GetValidRegex();
451                this.revDataInput.ErrorMessage = error;
452                this.revDataInput.RenderControl(output);
453            }
454        }
455        #endregion
456
457    }
458}
459

以下是运行效果图：
 
本人水平有限，欢迎各位朋友多多指教