浅谈.net的后台校验

 1 public class ValidContext 2 ????{ 3 ????????/// <summary> 4 ????????/// 校验当前模型 5 ????????/// </summary> 6 ????????/// <param name="model"></param> 7 ????????/// <param name="errorMsg"></param> 8 ????????/// <param name="ignores"></param> 9 ????????/// <returns></returns>10 ????????public static bool Check(object model, ref string errorMsg, IEnumerable<string> ignores = null)11 ????????{12 ????????????ValidationContext context = new ValidationContext(model);13 ????????????List<ValidationResult> results = new List<ValidationResult>();14 ????????????bool isVail = Validator.TryValidateObject(model, context, results, true);15 ????????????if (isVail)16 ????????????{17 ????????????????errorMsg = "验证通过";18 ????????????????return true;19 ????????????}20 ????????????//判断是否有需要忽略的21 ????????????if (ignores != null)22 ??????????????results=results.Where(o =>!ignores.Contains(o.MemberNames.FirstOrDefault())).ToList();23 ????????????if (results.Count > 0)24 ????????????{25 ????????????????errorMsg = results.FirstOrDefault().ErrorMessage;26 ????????????????return false;27 ????????????}28 ????????????errorMsg = "验证通过";29 ????????????return true;30 31 ????????}32 33 34 ????}

 1 /// <summary> 2 ????/// 正则表达式常量（随时可扩展） 3 ????/// </summary> 4 ????public class PattarmConst 5 ????{ 6 ????????/// <summary> 7 ????????/// 邮箱 8 ????????/// </summary> 9 ????????public const string IsMail = @"^\w+([-+.]\w+)@\w+([-.]\w+).\w+([-.]\w+)*$";10 ????????/// <summary>11 ????????/// 手机号12 ????????/// </summary>13 ????????public const string IsPhone = @"^1[3|4|5|7|8|9][\d]{9}$";14 ????????/// <summary>15 ????????/// url16 ????????/// </summary>17 ????????public const string IsUrl = @"^((https|http|ftp|rtsp|mms){0,1}(:\/\/){0,1})www\.(([A-Za-z0-9-~]+)\.)+([A-Za-z0-9-~\/])+$";18 ????????/// <summary>19 ????????/// 汉字20 ????????/// </summary>21 ????????public const string IsChinese = @"[\u4e00-\u9fa5]";22 ????????/// <summary>23 ????????/// 15 or 18位的身份证号24 ????????/// </summary>25 ????????public const string IsIDCard = @"^\d{15}|\d{18}";26 ????????/// <summary>27 ????????/// 金额28 ????????/// </summary>29 ????????public const string IsPrice = @"^(([1-9][0-9]*)|(([0]\.\d{1,2}|[1-9][0-9]*\.\d{1,2})))$";30 ????}

 1 /// <summary> 2 ????/// 校验属性自定义扩展 3 ????/// </summary> 4 ????public class RequireExt : ValidationAttribute 5 ????{ 6 ????????public RequireType RequireType { get; set; } 7 ????????public override bool IsValid(object value) 8 ????????{ 9 ????????????if (value == null)10 ????????????{11 ????????????????return false;12 ????????????}13 ????????????string pattarn = string.Empty;14 ????????????switch (RequireType)15 ????????????{16 ????????????????case RequireType.PHONE:17 ????????????????????pattarn = PattarmConst.IsPhone;18 ????????????????????break;19 ????????????????case RequireType.MAIL:20 ????????????????????pattarn = PattarmConst.IsMail;21 ????????????????????break;22 ????????????????case RequireType.URL:23 ????????????????????pattarn = PattarmConst.IsUrl;24 ????????????????????break;25 ????????????????case RequireType.IDCARD:26 ????????????????????pattarn = PattarmConst.IsIDCard;27 ????????????????????break;28 ????????????????case RequireType.PRICE:29 ????????????????????pattarn = PattarmConst.IsPrice;30 ????????????????????break;31 ????????????????default:32 ????????????????????throw new AccessViolationException("未定义的枚举类型");33 ????????????}34 ????????????if (!Regex.IsMatch(value.ToString(), pattarn))35 ????????????{ return false; }36 ????????????return true;37 ????????}38 ????}39 ????/// <summary>40 ????/// 校验枚举类型41 ????/// </summary>42 ????public enum RequireType43 ????{44 ????????[Description("手机号")]45 ????????PHONE = 1,46 ????????[Description("邮箱")]47 ????????MAIL = 2,48 ????????[Description("正规URL")]49 ????????URL=3,50 ????????[Description("身份证号")]51 ????????IDCARD=4,52 ????????[Description("金额")]53 ????????PRICE=554 ????}