Net8 ABP VNext完美集成FreeSql、SqlSugar，实现聚合根增删改查，完全去掉EFCore

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没有基础的，请参考上一篇

彩蛋到最后一张图里找

参考链接

结果直接上图，没有任何业务代码

启动后，已经有了基本的CRUD功能，还扩展了批量删除，与动态查询

动态查询截图，支持分页，排序

实现原理：

FreeSql导航参考官方地址

聚合根（实验室） | FreeSql 官方文档

继承IReadOnlyRepository接口，实现用FreeSql实现所有功能即可

关键CRUD代码

 //默认删除public Task DeleteAsync(TKey id, bool autoSave = false, CancellationToken cancellationToken = default){return FreeSql.Delete<T>(new { Id = id }).ExecuteAffrowsAsync(cancellationToken);}public Task DeleteDirectAsync(Expression<Func<T, bool>> predicate, CancellationToken cancellationToken = default){return FreeSql.Delete<T>().Where(predicate).ExecuteAffrowsAsync(cancellationToken);}//批量删除public Task DeleteManyAsync(IEnumerable<TKey> ids, bool autoSave = false, CancellationToken cancellationToken = default){return FreeSql.Delete<T>(ids).ExecuteAffrowsAsync(cancellationToken);}//默认Getpublic Task<T> GetAsync(TKey id, bool includeDetails = true, CancellationToken cancellationToken = default){object dywhere = new { Id = id };var query = FreeSql.GetAggregateRootRepository<T>().Select.WhereDynamic(dywhere);// FreeSql.Queryable<T>().WhereDynamic(dywhere);              FreeSqlHelper.SetNavigate(query);return query.ToOneAsync(cancellationToken);}//默认GetListpublic Task<IQueryable<T>> GetQueryableAsync(){ISelect<T> queryable;if (_httpContextAccessor.HttpContext.Request.Query.Any(q => q.Key == "Sorting")){string sorting = _httpContextAccessor.HttpContext.Request.Query["Sorting"];queryable = FreeSql.Queryable<T>().OrderBy(sorting);}else{queryable = FreeSql.Queryable<T>();}FreeSqlHelper.SetNavigate(queryable);return Task.FromResult(queryable.AsQueryable());}//默认Postpublic async Task<T> InsertAsync(T entity, bool autoSave = false, CancellationToken cancellationToken = default){SetEntity(entity);await FreeSql.GetAggregateRootRepository<T>().InsertAsync(entity,cancellationToken);return entity;}

FreeSqlHelper.cs代码

   public class FreeSqlHelper{/// <summary>/// 设置导航/// </summary>/// <typeparam name="T"></typeparam>/// <param name="query"></param>public static void SetNavigate<T>(FreeSql.ISelect<T> query) {var type= typeof(T);MemberInfo[] myMembers = type.GetProperties();foreach (MemberInfo myMember in myMembers){var navigateAttribute = myMember.GetCustomAttribute<FreeSql.DataAnnotations.NavigateAttribute>();if (navigateAttribute != null){query.IncludeByPropertyName(myMember.Name);}}}}

明细表id使用雪花漂移算法生成，引用Yitter.IdGenerator库（请自行nuget下载）

调用YitIdHelper.NextId()生成，没有数据库的自增字段功能，使用自增的问题很多

新增BaseCrudAppService类，代码直接从官方的CrudAppService里复制即可，利用批量替换，把CrudAppService替换为BaseCrudAppService

如图

新增FilterAsync与DeleteBulkAsync实现动态查询与批量删除功能

新增后的结果如图

freesql动态查询功能很强大，日期区间支持年，月，日期等，请参见下图示例说明

SearchCondition代码

    public class SearchCondition{/// <summary>/// 动态过滤条件/// </summary>public DynamicFilterInfo FilterInfo { get; set; }=new();/// <summary>/// 当前页/// </summary>public int CurrentPage { get; set; } = 1;/// <summary>/// 每页显示记录条数/// </summary>public int PageSize { get; set; } = 50;/// <summary>/// 排序/// </summary>public string Sorting { get; set; } = string.Empty;}

IBaseRepository代码如图，只是为了在BaseCrudAppService能获取到freesql

Enum实体类代码，由代码生成器生成

[Serializable]
[Table("TSYS_Enum")]
public class Enum : BaseAuditedAggregateRoot<Guid>
{/// <summary>/// 字典群组/// </summary>public int EnumGroup { get; set; }/// <summary>/// 字典类型/// </summary>public int EnumType { get; set; } = 1;/// <summary>/// 字典代码/// </summary>[StringLength(100)]public string EnumCode { get; set; }/// <summary>/// 说明/// </summary>[StringLength(100)]public string EnumDesc { get; set; }/// 备注/// </summary>[StringLength(500)]public string Remark { get; set; }/// <summary>/// 数据状态 0：未提交，1：审核中，2：已审核/// </summary>public byte Status { get; set; }/// <summary>/// 禁用状态/// </summary>public byte ForbidStatus { get; set; }/// <summary>/// 禁用人/// </summary>public Guid? ForbidderId { get; set; }/// <summary>/// 禁用日期/// </summary>public DateTime? ForbidDate { get; set; }/// <summary>/// 审核人/// </summary>public Guid? ApproverId { get; set; }/// <summary>/// 审核日期/// </summary>public DateTime? ApproveDate { get; set; }[FreeSql.DataAnnotations.Navigate(nameof(EnumItem.EnumId))]public virtual List<EnumItem> Details { get; set; }

明细表实体类

 [Serializable][Table("TSYS_EnumItem")]public class EnumItem : CreationAuditedEntity<long>{/// <summary>/// 主表key/// </summary>public Guid EnumId { get; set; }/// <summary>/// 显示值/// </summary>[StringLength(100)]public string EnumItemName { get; set; }/// <summary>/// 存储值/// </summary>[StringLength(100)]public string EnumItemValue { get; set; }/// <summary>/// 说明/// </summary>[StringLength(100)]public string EnumItemDesc { get; set; }/// <summary>/// 行号/// </summary>public int Num { get; set; } = 1;/// 备注/// </summary>[StringLength(500)]public string Remark { get; set; }/// <summary>/// 数据状态 0：未提交，1：审核中，2：已审核/// </summary>public byte Status { get; set; }/// <summary>/// 禁用状态/// </summary>public byte ForbidStatus { get; set; }/// <summary>/// 禁用人/// </summary>public Guid? ForbidderId { get; set; }/// <summary>/// 禁用日期/// </summary>public DateTime? ForbidDate { get; set; }/// <summary>/// 审核人/// </summary>public Guid? ApproverId { get; set; }/// <summary>/// 审核日期/// </summary>public DateTime? ApproveDate { get; set; }public virtual Enum Enum { get; set; }        }

把原来的CrudAppService改为BaseCrudAppService即可，这样只要继承了BaseCrudAppService所有的业务层，都有了，爽不爽啊，再也不用辛苦的做码农了。

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