Demo/Demo.WebApi/Core/InfrastructureExtensions.cs

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using Microsoft.Extensions.DependencyInjection; 
using Kernelx.Contexts;
using Kernelx.Cmpts.MOI;
using Kernelx.Cmpts.EFMOI;
using Microsoft.EntityFrameworkCore;
using System;
using Kernelx.Contexts.Core.SequeGenerator;
using Microsoft.Extensions.Configuration;
using System.Text.Json;
using Kernelx.Cmpts.ServiceModels.Default;
using System.ComponentModel.DataAnnotations;
using Demo.WebApi.Core;
using Kernelx.Cmpts.ServiceModels;

namespace Demo.WebApi
{
    internal class Constants
    {  
        public const string MsSql = "MsSql"; 
    }


    public class DefaultInputValidator2 : DefaultInputValidator
    {

        public override ValidationResult Validation(ValidationAttribute attribute, object value, ValidationContext validationContext)
        {
            var result = base.Validation(attribute, value, validationContext);

            if (result != null && !string.IsNullOrEmpty(result.ErrorMessage))
            {
                if (attribute is RequiredAttribute)
                    return new ValidationResult($"参数[{validationContext.DisplayName}]的值为必填项,不能为空");
                else if (attribute is MaxLengthAttribute max)
                    return new ValidationResult($"参数[{validationContext.DisplayName}]的值的长度不能大于{max.Length}个字符");
            }
            return result;
        }

    }


    public static class InfrastructureExtensions
    {
         
        internal static IServiceCollection AddEFModelibContext<TService, TImplementation>(this IServiceCollection services,
            string dbType, string connectionString, bool isDefault = false)
            where TService : class, IModelibContext
            where TImplementation : EFModelibContextBase, TService
        { 
            services.AddDbContext<TImplementation>(options =>
            {
                if (dbType == Constants.MsSql)
                    options.UseSqlServer(connectionString); 
            }, ServiceLifetime.Scoped);

            services.AddScoped<TService, TImplementation>();
            if (isDefault)
                services.AddScoped<IUnitOfWork, TImplementation>(); 
            return services;