IEqualityComparer接口实现对象去重

// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.

using System;
using System.Collections;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.Diagnostics.CodeAnalysis;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using GCT.MedPro.Core.ContainerModule.ContainerDefinition;
using Magicodes.ExporterAndImporter.Core;
using SqlSugar.Extensions;

namespace GCT.MedPro.SpecModule.SpecService.Dtos
{
    public class SpecImportDto
    {
        public string SpecName { get; set; }

        public string SpecRevision { get; set; }

        public TxTypes Type { get; set; }

        public string DataType { get; set; }

        public string DataRev { get; set; }
    }
    public class SpecImportDtoComparator : IEqualityComparer<SpecImportDto>
    {
        public bool Equals(SpecImportDto x, SpecImportDto y)
        {
            return x.SpecRevision.Equals(y.SpecRevision) && x.SpecName.Equals(y.SpecName) && x.DataRev.Equals(y.DataRev) && x.DataType.Equals(y.DataType) && x.Type.Equals(y.Type);
        }

        public int GetHashCode([DisallowNull] SpecImportDto obj)
        {
            return (obj.SpecName + obj.SpecRevision + obj.DataType + obj.Type + obj.DataRev).GetHashCode();
        }
    }
}