本版本延续MVC中的统一验证机制~续的这篇文章，本篇主要是对验证基类的扩展和改善
1 namespace Web.Mvc.Extensions 2 { 3 4 #region 验证基类 5 /// 6 /// 通用验证基类 7 /// 8 public abstract class EntityValidationAttribute : ValidationAttribute 9 { 10 #region Constructors 11 public EntityValidationAttribute(MessageType messageId, params object[] args) : 12 base(() => MessageManager.Current.GetMessage(messageId, args)) { } 13 #endregion 14 15 #region Protected Properties 16 protected virtual Regex rLetters { get { return new Regex("[a-zA-Z]{1,}"); } } 17 /// 18 /// 验证数字 19 /// 子类可以根据自己的逻辑去重写 20 /// 21 protected virtual Regex rDigit { get { return new Regex("[0-9]{1,}"); } } 22 /// 23 /// 验证邮编 24 /// 子类可以根据自己的逻辑去重写 25 /// 26 protected virtual Regex rPostNumber { get { return new Regex("^[0-9]{3,14}$"); } } 27 /// 28 /// 验证手机 29 /// 子类可以根据自己的逻辑去重写 30 /// 31 protected virtual Regex rMobile { get { return new Regex(@"^1[3|4|5|8][0-9]\d{8}$"); } } 32 /// 33 /// 验证电话 34 /// 子类可以根据自己的逻辑去重写 35 /// 36 protected virtual Regex rTelePhone { get { return new Regex(@"^[0-9]{2,4}-\d{6,8}$"); } } 37 /// 38 /// 验证传真 39 /// 子类可以根据自己的逻辑去重写 40 /// 41 protected virtual Regex rFex { get { return new Regex(@"/^[0-9]{2,4}-\d{6,8}$"); } } 42 /// 43 /// 验证Email 44 /// 子类可以根据自己的逻辑去重写 45 /// 46 protected virtual Regex rEmail { get { return new Regex(@"^([\w-\.]+)@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.)|(([\w-]+\.)+))([a-zA-Z]{2,4}|[0-9]{1,3})(\]?)$"); } } 47 #endregion 48 49 } 50 #endregion 51 52 #region 具体验证模块 53 /// 54 /// 为空验证 55 /// 56 [AttributeUsage(AttributeTargets.Parameter | AttributeTargets.Field | AttributeTargets.Property, AllowMultiple = false)] 57 public class RequiredAttribute : EntityValidationAttribute 58 { 59 public bool AllowEmptyStrings { get; set; } 60 public RequiredAttribute(MessageType messageType, params object[] args) : 61 base(messageType, args) 62 { } 63 public override bool IsValid(object value) 64 { 65 return new System.ComponentModel.DataAnnotations.RequiredAttribute { AllowEmptyStrings = this.AllowEmptyStrings }.IsValid(value); 66 } 67 } 68 /// 69 /// 范围验证 70 /// 71 [AttributeUsage(AttributeTargets.Parameter | AttributeTargets.Field | AttributeTargets.Property, AllowMultiple = false)] 72 public class RangeAttribute : EntityValidationAttribute 73 { 74 private System.ComponentModel.DataAnnotations.RangeAttribute innerRangeAttribute; 75 76 public RangeAttribute(double minimum, double maximum, MessageType messageType, params object[] args) : 77 base(messageType, args) 78 { 79 innerRangeAttribute = new System.ComponentModel.DataAnnotations.RangeAttribute(minimum, maximum); 80 } 81 82 public RangeAttribute(int minimum, int maximum, MessageType messageType, params object[] args) : 83 base(messageType, args) 84 { 85 innerRangeAttribute = new System.ComponentModel.DataAnnotations.RangeAttribute(minimum, maximum); 86 } 87 88 public RangeAttribute(Type type, string minimum, string maximum, MessageType messageType, params object[] args) : 89 base(messageType, args) 90 { 91 innerRangeAttribute = new System.ComponentModel.DataAnnotations.RangeAttribute(type, minimum, maximum); 92 } 93 94 public override bool IsValid(object value) 95 { 96 return innerRangeAttribute.IsValid(value); 97 } 98 } 99 100 /// 101 /// Email验证102 /// 103 [AttributeUsage(AttributeTargets.Parameter | AttributeTargets.Field | AttributeTargets.Property, AllowMultiple = false)]104 public class EmailAttribute : EntityValidationAttribute105 {106 public EmailAttribute(MessageType messageType, params object[] args) :107 base(messageType, args) { }108 public override bool IsValid(object value)109 {110 if (value == null)111 return false;112 else113 return rEmail.IsMatch(value.ToString());114 }115 }116 117 /// 118 /// 数值验证119 /// 120 [AttributeUsage(AttributeTargets.Parameter | AttributeTargets.Field | AttributeTargets.Property, AllowMultiple = false)]121 public class DigitAttribute : EntityValidationAttribute122 {123 public DigitAttribute(MessageType messageType, params object[] args) :124 base(messageType, args) { }125 public override bool IsValid(object value)126 {127 if (value == null)128 return false;129 else130 return rDigit.IsMatch(value.ToString());131 }132 133 }134 135 /// 136 /// 邮编验证137 /// 138 [AttributeUsage(AttributeTargets.Parameter | AttributeTargets.Field | AttributeTargets.Property, AllowMultiple = false)]139 public class PostNumberAttribute : EntityValidationAttribute140 {141 public PostNumberAttribute(MessageType messageType, params object[] args) :142 base(messageType, args) { }143 public override bool IsValid(object value)144 {145 if (value == null)146 return false;147 else148 return rPostNumber.IsMatch(value.ToString());149 }150 151 }152 153 /// 154 /// 手机验证155 /// 156 [AttributeUsage(AttributeTargets.Parameter | AttributeTargets.Field | AttributeTargets.Property, AllowMultiple = false)]157 public class MobileAttribute : EntityValidationAttribute158 {159 public MobileAttribute(MessageType messageType, params object[] args) :160 base(messageType, args) { }161 public override bool IsValid(object value)162 {163 if (value == null)164 return false;165 else166 return rMobile.IsMatch(value.ToString());167 }168 }169 170 /// 171 /// 电话验证172 /// 173 [AttributeUsage(AttributeTargets.Parameter | AttributeTargets.Field | AttributeTargets.Property, AllowMultiple = false)]174 public class TelePhoneAttribute : EntityValidationAttribute175 {176 public TelePhoneAttribute(MessageType messageType, params object[] args) :177 base(messageType, args) { }178 public override bool IsValid(object value)179 {180 if (value == null)181 return false;182 else183 return rTelePhone.IsMatch(value.ToString());184 }185 }186 187 /// 188 /// 传真验证189 /// 190 [AttributeUsage(AttributeTargets.Parameter | AttributeTargets.Field | AttributeTargets.Property, AllowMultiple = false)]191 public class FexAttribute : EntityValidationAttribute192 {193 public FexAttribute(MessageType messageType, params object[] args) :194 base(messageType, args) { }195 public override bool IsValid(object value)196 {197 if (value == null)198 return false;199 else200 return rFex.IsMatch(value.ToString());201 }202 }203 #endregion204 205 #region 验证消息返回类206 /// 207 /// 消息类208 /// 209 public class MessageManager210 {211 static Dictionary messages = new Dictionary ();212 static MessageManager()213 {214 messages.Add(MessageType.RequiredField, "这个 \"{0}\"是必填的!");215 messages.Add(MessageType.GreaterThan, "这个 \"{0}\" 的值必须大于 \"{1}\"!");216 messages.Add(MessageType.LessThan, "这个 \"{0}\" 的值必须小于 \"{1}\"!");217 messages.Add(MessageType.EmailField, "这个 \"{0}\" 不是有效的Email地址!");218 messages.Add(MessageType.DigitField, "这个 \"{0}\" 不是有效的数字!");219 messages.Add(MessageType.PostNumberField, "这个 \"{0}\" 不是有效的邮编!");220 messages.Add(MessageType.MobileField, "这个 \"{0}\" 不是有效的手机号码!");221 messages.Add(MessageType.TelePhoneField, "这个 \"{0}\" 不是有效的电话号码!");222 messages.Add(MessageType.FexField, "这个 \"{0}\" 不是有效的传真!");223 }224 /// 225 /// 得到验证异常的消息集合226 /// 对外公开227 /// 228 /// 异常消息ID229 /// 消息参数集合230 /// 236 /// 本类的实例对象237 /// 238 public static MessageManager Current = new MessageManager();239 }240 241 242 243 #endregion244 245 #region 验证类型枚举246 /// 247 /// 验证消息类型248 /// 249 public enum MessageType250 {251 /// 252 /// 为空验证253 /// 254 RequiredField,255 /// 256 /// 大于验证257 /// 258 GreaterThan,259 /// 260 /// 小于验证261 /// 262 LessThan,263 /// 264 /// 邮箱验证265 /// 266 EmailField,267 /// 268 /// 数字验证269 /// 270 DigitField,271 /// 272 /// 邮编验证273 /// 274 PostNumberField,275 /// 276 /// 手机验证277 /// 278 MobileField,279 /// 280 /// 电话验证281 /// 282 TelePhoneField,283 /// 284 /// 传真验证285 /// 286 FexField,287 }288 #endregion289 290 }291 292 完整的实体为：293 294 /// 295 /// 人类实体296 /// 297 public class Person298 {299 /// 300 /// 姓名301 /// 302 [DisplayName("姓名"), Required(MessageType.RequiredField, "Name")]303 public string Name { get; set; }304 305 /// 306 /// 年纪307 /// 308 [DisplayName("年纪"), Range(18, int.MaxValue, MessageType.GreaterThan, "Age", 18)]309 public int Age { get; set; }310 311 /// 312 /// 体重313 /// 314 [DisplayName("体重"), Range(int.MinValue, 160, MessageType.LessThan, "Weight", 160)]315 public double Weight { get; set; }316 317 /// 318 /// 电子邮件319 /// 320 [DisplayName("电子邮件"), Email(MessageType.EmailField, "电子邮件")]321 public string Email { get; set; }322 323 /// 324 /// 手机325 /// 326 [DisplayName("手机"), Mobile(MessageType.MobileField, "Mobile")]327 public string Mobile { get; set; }328 329 /// 330 /// 电话331 /// 332 [DisplayName("电话"), TelePhone(MessageType.TelePhoneField, "TelePhone")]333 public string TelePhone { get; set; }334 335 /// 336 /// 邮编337 /// 338 [DisplayName("邮编"), PostNumber(MessageType.PostNumberField, "PostNumber")]339 public string PostNumber { get; set; }340 341 /// 342 /// 传真343 /// 344 [DisplayName("传真"), Fex(MessageType.FexField, "Fex")]345 public string Fex { get; set; }346 }
这就是面向对象的程序设计中对验证的统一，也算是一种抽象了。