高级控件（集成验证功能的TextBox）

最新推荐文章于 2022-07-02 23:24:48 发布

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本文介绍了一个自定义的TextBox控件，该控件扩展了ASP.NET中的标准TextBox，并集成了多种验证逻辑，如RangeValidator、RegularExpressionValidator等。此外，还支持自定义提示信息和样式。

using System; using System.Collections; using System.Web.UI; using System.Web.UI.WebControls; using System.Web.UI.HtmlControls; using System.ComponentModel; using System.Text.RegularExpressions; // Shantou ZuoSheng Software Co., Ltd. Controls Class // By Programmer Zqhe namespace ZS.Control { /// <summary> /// 文本框控件 /// </summary> [DefaultProperty("Text"), ToolboxData("<{0}:TextBox runat=server></{0}:TextBox>"), Designer("System.Web.UI.Design.WebControls.PreviewControlDesigner, System.Design, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a")] public class TextBox : System.Web.UI.WebControls.TextBox, IWebControl { /// <summary> /// RequiredFieldValidator控件变量 /// </summary> protected System.Web.UI.WebControls.RequiredFieldValidator CanBeNullRFV = new RequiredFieldValidator(); /// <summary> /// RegularExpressionValidator控件变量 /// </summary> protected System.Web.UI.WebControls.RegularExpressionValidator RequiredFieldTypeREV = new RegularExpressionValidator(); /// <summary> /// RangeValidator控件变量 /// </summary> protected System.Web.UI.WebControls.RangeValidator NumberRV = new System.Web.UI.WebControls.RangeValidator(); /// <summary> /// 构造函数 /// </summary> public TextBox(): base() { base.Attributes.Add("onfocus", "this.className='FormFocus';"); base.Attributes.Add("onblur", "this.className='FormBase';"); base.CssClass = "FormBase"; //base.BorderStyle = BorderStyle.Dotted; //base.BorderWidth = 1; } /// <summary> /// 添加属性方法 /// </summary> /// <param name="key">键值,如class等</param> /// <param name="valuestr">要绑定的字符串</param> public void AddAttributes(string key, string valuestr) { this.Attributes.Add(key, valuestr); } /// <summary> /// 创建子控件 /// </summary> protected override void CreateChildControls() { //当指定了输入框的最小或最大值时,则加入校验范围项 if (this.MaximumValue != null || this.MinimumValue != null) { NumberRV.ControlToValidate = this.ID; NumberRV.Type = ValidationDataType.Double; NumberRV.ValidationGroup = this.ValidationGroup; if (this.MaximumValue != null && this.MinimumValue != null) { NumberRV.MaximumValue = this.MaximumValue; NumberRV.MinimumValue = this.MinimumValue; NumberRV.ErrorMessage = "当前输入数据应在" + this.MinimumValue + "和" + this.MaximumValue + "之间!"; } else { if (this.MaximumValue != null) { NumberRV.MaximumValue = this.MaximumValue; NumberRV.MinimumValue = Int32.MinValue.ToString(); NumberRV.ErrorMessage = "当前输入数据允许最大值为" + this.MaximumValue; } if (this.MinimumValue != null) { NumberRV.MinimumValue = this.MinimumValue; NumberRV.MaximumValue = Int32.MaxValue.ToString(); NumberRV.ErrorMessage = "当前输入数据允许最小值为" + this.MinimumValue; } } NumberRV.Display = ValidatorDisplay.Static; this.Controls.AddAt(0, NumberRV); } if ((RequiredFieldType != null) && (RequiredFieldType != "") && (RequiredFieldType != "暂无校验")) { RequiredFieldTypeREV.Display = System.Web.UI.WebControls.ValidatorDisplay.Dynamic; RequiredFieldTypeREV.ControlToValidate = this.ID; RequiredFieldTypeREV.ValidationGroup = this.ValidationGroup; switch (RequiredFieldType) { case "数据校验": { RequiredFieldTypeREV.ValidationExpression = (this.ValidationExpression != null) ? this.ValidationExpression : "^[-]?//d+[.]?//d*$"; RequiredFieldTypeREV.ErrorMessage = "数字的格式不正确"; break; } case "邮政编号": { RequiredFieldTypeREV.ValidationExpression = (this.ValidationExpression != null) ? this.ValidationExpression : "^[1-9]//d{5}$"; RequiredFieldTypeREV.ErrorMessage = "邮政编号格式不正确"; break; } case "电子邮箱": { RequiredFieldTypeREV.ValidationExpression = (this.ValidationExpression != null) ? this.ValidationExpression : (@"^([/w-/.]+)@((/[[0-9]{1,3}/.[0-9]{1,3}/.[0-9]{1,3}/.)|(([/w-]+/.)+))([a-zA-Z]{2,4}|[0-9]{1,3})(/]?)$"); RequiredFieldTypeREV.ErrorMessage = "邮箱的格式不正确"; break; } case "移动手机": { RequiredFieldTypeREV.ValidationExpression = (this.ValidationExpression != null) ? this.ValidationExpression : "//d{11}"; RequiredFieldTypeREV.ErrorMessage = "手机的位数应为11位!"; break; } case "家用电话": { RequiredFieldTypeREV.ValidationExpression = (this.ValidationExpression != null) ? this.ValidationExpression : "((//(//d{3}//) ?)|(//d{3}-))?//d{3}-//d{4}|((//(//d{3}//) ?)|(//d{4}-))?//d{4}-//d{4}"; RequiredFieldTypeREV.ErrorMessage = "请依 (XXX)XXX-XXXX 格式或 (XXX)XXXX-XXXX 输入电话号码！"; break; } case "身份证号码": { RequiredFieldTypeREV.ValidationExpression = (this.ValidationExpression != null) ? this.ValidationExpression : "^//d{15}$|^//d{18}$"; RequiredFieldTypeREV.ErrorMessage = "请依15或18位数据的身份证号！"; break; } case "网页地址": { RequiredFieldTypeREV.ValidationExpression = (this.ValidationExpression != null) ? this.ValidationExpression : @"^(http|https)/://([a-zA-Z0-9/./-]+(/:[a-zA-Z0-9/.&%/$/-]+)*@)*((25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9])/.(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9]|0)/.(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9]|0)/.(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[0-9])|localhost|([a-zA-Z0-9/-]+/.)*[a-zA-Z0-9/-]+/.(com|edu|gov|int|mil|net|org|biz|arpa|info|name|pro|aero|coop|museum|[a-zA-Z]{1,10}))(/:[0-9]+)*(/($|[a-zA-Z0-9/./,/?/'///+&%/$#/=~_/-]+))*$"; RequiredFieldTypeREV.ErrorMessage = "请输入正确的网址"; break; } case "日期": { RequiredFieldTypeREV.ValidationExpression = (this.ValidationExpression != null) ? this.ValidationExpression : @"^((((1[6-9]|[2-9]/d)/d{2})-(0?[13578]|1[02])-(0?[1-9]|[12]/d|3[01]))|(((1[6-9]|[2-9]/d)/d{2})-(0?[13456789]|1[012])-(0?[1-9]|[12]/d|30))|(((1[6-9]|[2-9]/d)/d{2})-0?2-(0?[1-9]|1/d|2[0-8]))|(((1[6-9]|[2-9]/d)(0[48]|[2468][048]|[13579][26])|((16|[2468][048]|[3579][26])00))-0?2-29-))$"; RequiredFieldTypeREV.ErrorMessage = "请输入正确的日期,如:2006-1-1"; break; } case "日期时间": { RequiredFieldTypeREV.ValidationExpression = (this.ValidationExpression != null) ? this.ValidationExpression : @"^((((1[6-9]|[2-9]/d)/d{2})-(0?[13578]|1[02])-(0?[1-9]|[12]/d|3[01]))|(((1[6-9]|[2-9]/d)/d{2})-(0?[13456789]|1[012])-(0?[1-9]|[12]/d|30))|(((1[6-9]|[2-9]/d)/d{2})-0?2-(0?[1-9]|1/d|2[0-8]))|(((1[6-9]|[2-9]/d)(0[48]|[2468][048]|[13579][26])|((16|[2468][048]|[3579][26])00))-0?2-29-)) (20|21|22|23|[0-1]?/d):[0-5]?/d:[0-5]?/d$"; RequiredFieldTypeREV.ErrorMessage = "请输入正确的日期,如: 2006-1-1 23:59:59"; break; } case "金额": { RequiredFieldTypeREV.ValidationExpression = (this.ValidationExpression != null) ? this.ValidationExpression : "^([0-9]|[0-9].[0-9]{0-2}|[1-9][0-9]*.[0-9]{0,4})$"; RequiredFieldTypeREV.ErrorMessage = "请输入正确的金额"; break; } case "IP地址": { RequiredFieldTypeREV.ValidationExpression = (this.ValidationExpression != null) ? this.ValidationExpression : @"^(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9])/.(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9]|0)/.(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9]|0)/.(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[0-9])$"; RequiredFieldTypeREV.ErrorMessage = "请输入正确的IP地址"; break; } case "IP地址带端口": { RequiredFieldTypeREV.ValidationExpression = (this.ValidationExpression != null) ? this.ValidationExpression : @"^(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9])/.(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9]|0)/.(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9]|0)/.(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[0-9]):/d{1,5}?$"; RequiredFieldTypeREV.ErrorMessage = "请输入正确的带端口的IP地址"; break; } } this.Controls.AddAt(0, RequiredFieldTypeREV); } switch (CanBeNull) { case "可为空": { break; } case "必填": { CanBeNullRFV.Display = System.Web.UI.WebControls.ValidatorDisplay.Dynamic; CanBeNullRFV.ControlToValidate = this.ID; CanBeNullRFV.ValidationGroup = this.ValidationGroup; CanBeNullRFV.ErrorMessage = " <span class='gray'>请填写!</span>"; this.Controls.AddAt(0, CanBeNullRFV); break; } default: { break; } } } /// <summary> /// 获取焦点的控件ID(如提交按钮等) /// </summary> [Bindable(true), Category("Appearance"), DefaultValue("")] public string SetFocusButtonID { get { object o = ViewState[this.ClientID + "_SetFocusButtonID"]; return (o == null) ? "" : o.ToString(); } set { ViewState[this.ClientID + "_SetFocusButtonID"] = value; if (value != "") { this.Attributes.Add("onkeydown", "if(event.keyCode==13){document.getElementById('" + value + "').focus();}"); } } } /// <summary> /// 控件的最大长度属性 /// </summary> [Bindable(true), Category("Appearance"), DefaultValue("")] public override int MaxLength { get { object o = ViewState["TextBox_MaxLength"]; if (o != null) { int maxlength = StrToInt(o.ToString(), 4); AddAttributes("maxlength", maxlength.ToString()); return maxlength; } else { return -1; } } set { ViewState["TextBox_MaxLength"] = value; AddAttributes("maxlength", value.ToString()); } } private int StrToInt(object Expression, int defValue) { if (Expression != null) { string str = Expression.ToString(); if (str.Length > 0 && str.Length <= 11 && Regex.IsMatch(str, @"^[-]?[0-9]*$")) { if ((str.Length < 10) || (str.Length == 10 && str[0] == '1') || (str.Length == 11 && str[0] == '-' && str[1] == '1')) { return Convert.ToInt32(str); } } } return defValue; } /// <summary> /// 控件的TextMode属性 /// </summary> [Bindable(false), Category("Behavior"), DefaultValue(TextBoxMode.SingleLine), Description("要滚动的对象。")] public override TextBoxMode TextMode { get { return base.TextMode; } set { if (value == TextBoxMode.MultiLine) { base.Attributes.Add("onkeyup", "return isMaxLen(this)"); } base.TextMode = value; } } /// <summary> /// 要进行校验的表达式 /// </summary> [Bindable(false), Category("Behavior"), DefaultValue(""), TypeConverter(typeof(RequiredFieldTypeControlsConverter)), Description("要滚动的对象。")] public string RequiredFieldType { get { object o = ViewState["RequiredFieldType"]; return (o == null) ? "" : o.ToString(); } set { ViewState["RequiredFieldType"] = value; } } /// <summary> /// 要表达式是否可以为空 /// </summary> [Bindable(false), Category("Behavior"), DefaultValue("可为空"), TypeConverter(typeof(CanBeNullControlsConverter)), Description("要滚动的对象。")] public string CanBeNull { get { object o = ViewState["CanBeNull"]; return (o == null) ? "" : o.ToString(); } set { ViewState["CanBeNull"] = value; } } /// <summary> /// 是否进行 ' 号替换 /// </summary> [Bindable(true), Category("Appearance"), DefaultValue("")] public bool IsReplaceInvertedComma { get { object o = ViewState["IsReplaceInvertedComma"]; if (o == null || o.ToString().Trim() == "") { return true; } else { return o.ToString().ToLower() == "true" ? true : false; } } set { ViewState["IsReplaceInvertedComma"] = value; } } /// <summary> /// 有效校验表达式 /// </summary> [Bindable(true), Category("Appearance"), DefaultValue("")] public string ValidationExpression { get { object o = ViewState["ValidationExpression"]; if (o == null || o.ToString().Trim() == "") { return null; } else { return o.ToString().ToLower(); } } set { ViewState["ValidationExpression"] = value; } } /// <summary> /// 文本内容属性 /// </summary> [Bindable(true), Category("Appearance"), DefaultValue("")] public override string Text { get { //进行强制日期格式的转换 if (this.RequiredFieldType == "日期") { try { return DateTime.Parse(base.Text).ToString("yyyy-MM-dd"); } catch { return "1900-1-1"; } } //进行强制日期时间格式的转换 if (this.RequiredFieldType == "日期时间") { try { return DateTime.Parse(base.Text).ToString("yyyy-MM-dd HH:mm:ss"); } catch { return "1900-1-1 00:00:00"; } } else { return IsReplaceInvertedComma ? base.Text.Replace("'", "''").Trim() : base.Text; } } set { //进行强制日期格式的转换 if (this.RequiredFieldType.IndexOf("日期") >= 0) { try { base.Text = DateTime.Parse(value).ToString("yyyy-MM-dd"); } catch { base.Text = ""; } } //进行强制日期时间格式的转换 if (this.RequiredFieldType.IndexOf("日期时间") >= 0) { try { base.Text = DateTime.Parse(value).ToString("yyyy-MM-dd HH:mm:ss"); } catch { base.Text = ""; } } else { base.Text = value; } } } /// <summary> /// 列数属性 /// </summary> [Bindable(true), Category("Appearance"), DefaultValue(30)] public int Cols { get { return base.Columns; } set { base.Columns = value; } } private int _size = 30; /// <summary> /// 宽度属性 /// </summary> [Bindable(true), Category("Appearance"), DefaultValue(30)] public int Size { get { return _size; } set { _size = value; } } private string _maximumValue = null; /// <summary> /// 最小值属性 /// </summary> [Bindable(true), Category("Appearance"), DefaultValue(null)] public string MaximumValue { get { return _maximumValue; } set { _maximumValue = value; } } private string _minimumValue = null; /// <summary> /// 最大值属性 /// </summary> [Bindable(true), Category("Appearance"), DefaultValue(null)] public string MinimumValue { get { return _minimumValue; } set { _minimumValue = value; } } private string _hintTitle = ""; /// <summary> /// 提示框标题 /// </summary> [Bindable(true), Category("Appearance"), DefaultValue("")] public string HintTitle { get { return _hintTitle; } set { _hintTitle = value; } } private string _hintInfo = ""; /// <summary> /// 提示框内容 /// </summary> [Bindable(true), Category("Appearance"), DefaultValue("")] public string HintInfo { get { return _hintInfo; } set { _hintInfo = value; } } private int _hintLeftOffSet = 0; /// <summary> /// 提示框左侧偏移量 /// </summary> [Bindable(true), Category("Appearance"), DefaultValue(0)] public int HintLeftOffSet { get { return _hintLeftOffSet; } set { _hintLeftOffSet = value; } } private int _hintTopOffSet = 0; /// <summary> /// 提示框顶部偏移量 /// </summary> [Bindable(true), Category("Appearance"), DefaultValue(0)] public int HintTopOffSet { get { return _hintTopOffSet; } set { _hintTopOffSet = value; } } private string _hintShowType = "up";//或"down" /// <summary> /// 提示框风格,up(上方显示)或down(下方显示) /// </summary> [Bindable(true), Category("Appearance"), DefaultValue("up")] public string HintShowType { get { return _hintShowType; } set { _hintShowType = value; } } private int _hintHeight = 50; /// <summary> /// 提示框高度 /// </summary> [Bindable(true), Category("Appearance"), DefaultValue(130)] public int HintHeight { get { return _hintHeight; } set { _hintHeight = value; } } /// <summary> /// 输出html,在浏览器中显示控件 /// </summary> /// <param name="output"> 要写出到的 HTML 编写器 </param> protected override void Render(HtmlTextWriter output) { //当为TextArea时，maxlength属性可能失效，所以采用js进行长度限制 if (this.TextMode == TextBoxMode.MultiLine) { output.WriteLine("<mce:script type=/"text/javascript/"></mce:script>"); this.AddAttributes("rows", Rows.ToString()); this.AddAttributes("cols", Cols.ToString()); } else { if (this.Size > 0) { this.AddAttributes("size", this.Size.ToString()); } } if (this.HintInfo != "") { this.AddAttributes("onmouseover", "showhintinfo(this," + this.HintLeftOffSet + "," + this.HintTopOffSet + ",'" + this.HintTitle + "','" + this.HintInfo + "','" + this.HintHeight + "','" + this.HintShowType + "')"); this.AddAttributes("onmouseout", "hidehintinfo()"); } base.Render(output); RenderChildren(output); } } /// <summary> /// 下拉列表选项转换器 /// </summary> public class RequiredFieldTypeControlsConverter : StringConverter { /// <summary> /// 构造函数 /// </summary> public RequiredFieldTypeControlsConverter() { } /// <summary> /// 说明要用下拉列表编辑属性 /// </summary> /// <param name="context"></param> /// <returns></returns> public override bool GetStandardValuesSupported(ITypeDescriptorContext context) { return true; } /// <summary> /// 获取标准值列表 /// </summary> /// <param name="context"></param> /// <returns></returns> public override System.ComponentModel.TypeConverter.StandardValuesCollection GetStandardValues(ITypeDescriptorContext context) { ArrayList controlsArray = new ArrayList(); controlsArray.Add("暂无校验"); controlsArray.Add("邮政编号"); controlsArray.Add("数据校验"); controlsArray.Add("电子邮箱"); controlsArray.Add("移动手机"); controlsArray.Add("家用电话"); controlsArray.Add("身份证号码"); controlsArray.Add("网页地址"); controlsArray.Add("日期"); controlsArray.Add("日期时间"); controlsArray.Add("金额"); controlsArray.Add("IP地址"); controlsArray.Add("IP地址带端口"); return new StandardValuesCollection(controlsArray); } /// <summary> /// return ture的话只能选,return flase可选可填 /// </summary> /// <param name="context"></param> /// <returns></returns> public override bool GetStandardValuesExclusive(ITypeDescriptorContext context) { return false; } } /// <summary> /// 下拉列表选项转换器 /// </summary> public class CanBeNullControlsConverter : StringConverter { /// <summary> /// 构造函数 /// </summary> public CanBeNullControlsConverter() { } /// <summary> /// 下拉列表编辑属性 /// </summary> /// <param name="context"></param> /// <returns></returns> public override bool GetStandardValuesSupported(ITypeDescriptorContext context) { return true; } /// <summary> /// 获取标准值列表 /// </summary> /// <param name="context"></param> /// <returns></returns> public override System.ComponentModel.TypeConverter.StandardValuesCollection GetStandardValues(ITypeDescriptorContext context) { ArrayList controlsArray = new ArrayList(); controlsArray.Add("可为空"); controlsArray.Add("必填"); return new StandardValuesCollection(controlsArray); } /// <summary> /// return ture的话只能选,return flase可选可填 /// </summary> /// <param name="context"></param> /// <returns></returns> public override bool GetStandardValuesExclusive(ITypeDescriptorContext context) { return false; } } /// <summary> /// 下拉列表选项转换器 /// </summary> public class FormControlsConverter : StringConverter { /// <summary> /// 构造函数 /// </summary> public FormControlsConverter() { } /// <summary> /// 下拉列表编辑属性 /// </summary> /// <param name="context"></param> /// <returns></returns> public override bool GetStandardValuesSupported(ITypeDescriptorContext context) { return true; } /// <summary> /// 获取标准值列表 /// </summary> /// <param name="context"></param> /// <returns></returns> public override System.ComponentModel.TypeConverter.StandardValuesCollection GetStandardValues(ITypeDescriptorContext context) { ControlCollection Controls = ((Page)context.Container.Components[0]).Controls; ArrayList controlsArray = new ArrayList(); for (int i = 0; i < Controls.Count; i++) { if ((Controls[i] is HtmlTable || Controls[i] is HtmlForm || Controls[i] is HtmlGenericControl || Controls[i] is HtmlImage || Controls[i] is Label || Controls[i] is DataGrid || Controls[i] is DataList || Controls[i] is Table || Controls[i] is Repeater || Controls[i] is Image || Controls[i] is Panel || Controls[i] is PlaceHolder || Controls[i] is Calendar || Controls[i] is AdRotator || Controls[i] is Xml )) { controlsArray.Add(Controls[i].ClientID); } } return new StandardValuesCollection(controlsArray); } /// <summary> /// return ture的话只能选,return flase可选可填 /// </summary> /// <param name="context"></param> /// <returns></returns> public override bool GetStandardValuesExclusive(ITypeDescriptorContext context) { return false; } } }