实体类字段使用属性类来实现验证功能
在System.ComponentModel.DataAnnotations命名空间中,已经有了一些基本的属性类来实现验证功能,只要把这些属性加到Model的字段上就可以了。
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namespace HRApp.Web { using System.ComponentModel.DataAnnotations; using HRApp.Web.Resources; public sealed partial class RegistrationData { [Key] [Required(ErrorMessageResourceName = "ValidationErrorRequiredField", ErrorMessageResourceType = typeof(ErrorResources))] [Display(Order = 0, Name = "UserNameLabel", ResourceType = typeof(RegistrationDataResources))] [RegularExpression("^[a-zA-Z0-9_]*$", ErrorMessageResourceName = "ValidationErrorInvalidUserName", ErrorMessageResourceType = typeof(ErrorResources))] public string UserName { get; set; } [Key] [Required(ErrorMessageResourceName = "ValidationErrorRequiredField", ErrorMessageResourceType = typeof(ErrorResources))] [Display(Order = 2, Name = "EmailLabel", ResourceType = typeof(RegistrationDataResources))] [RegularExpression(@"^([\w-\.]+)@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.)|(([\w-]+\.)+))([a-zA-Z]{2,4}|[0-9]{1,3})(\]?)$", ErrorMessageResourceName = "ValidationErrorInvalidEmail", ErrorMessageResourceType = typeof(ErrorResources))] public string Email { get; set; } [Required(ErrorMessageResourceName = "ValidationErrorRequiredField", ErrorMessageResourceType = typeof(ErrorResources))] [Display(Order = 3, Name = "PasswordLabel", Description = "PasswordDescription", ResourceType = typeof(RegistrationDataResources))] [RegularExpression("^.*[^a-zA-Z0-9].*$", ErrorMessageResourceName = "ValidationErrorBadPasswordStrength", ErrorMessageResourceType = typeof(ErrorResources))] [StringLength(50, MinimumLength = 7, ErrorMessageResourceName = "ValidationErrorBadPasswordLength", ErrorMessageResourceType = typeof(ErrorResources))] public string Password { get; set; } [Display(Order = 1, Name = "FriendlyNameLabel", Description = "FriendlyNameDescription", ResourceType = typeof(RegistrationDataResources))] public string FriendlyName { get; set; } [Required(ErrorMessageResourceName = "ValidationErrorRequiredField", ErrorMessageResourceType = typeof(ErrorResources))] [Display(Order = 5, Name = "SecurityQuestionLabel", ResourceType = typeof(RegistrationDataResources))] public string Question { get; set; } [Required(ErrorMessageResourceName = "ValidationErrorRequiredField", ErrorMessageResourceType = typeof(ErrorResources))] [Display(Order = 6, Name = "SecurityAnswerLabel", ResourceType = typeof(RegistrationDataResources))] public string Answer { get; set; } } }
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