TianSong
88 lines
3.5 KiB
C#
88 lines
3.5 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Data;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using XP.Common.Database.Models;
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namespace XP.Common.Database.Interfaces
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{
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/// <summary>
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/// 通用数据库操作接口（适配任意数据库，SQLite为具体实现）
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/// </summary>
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public interface IDbContext : IDisposable
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{
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/// <summary>
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/// 打开数据库连接
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/// </summary>
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IDbExecuteResult OpenConnection();
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/// <summary>
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/// 异步打开数据库连接
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/// </summary>
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Task<IDbExecuteResult> OpenConnectionAsync();
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/// <summary>
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/// 开始事务
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/// </summary>
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(IDbExecuteResult Result, IDbTransaction? Transaction) BeginTransaction();
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/// <summary>
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/// 执行增删改SQL（无返回值）
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/// </summary>
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/// <param name="sql">SQL语句（参数化）</param>
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/// <param name="parameters">参数集合（key=参数名，value=参数值）</param>
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IDbExecuteResult ExecuteNonQuery(string sql, Dictionary<string, object>? parameters = null);
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/// <summary>
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/// 异步执行增删改SQL
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/// </summary>
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Task<IDbExecuteResult> ExecuteNonQueryAsync(string sql, Dictionary<string, object>? parameters = null);
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/// <summary>
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/// 执行查询并返回单个值（如Count/Sum）
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/// </summary>
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/// <typeparam name="T">返回值类型</typeparam>
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/// <param name="sql">SQL语句</param>
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/// <param name="parameters">参数集合</param>
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(IDbExecuteResult Result, T? Value) ExecuteScalar<T>(string sql, Dictionary<string, object>? parameters = null);
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/// <summary>
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/// 异步执行查询并返回单个值
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/// </summary>
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Task<(IDbExecuteResult Result, T? Value)> ExecuteScalarAsync<T>(string sql, Dictionary<string, object>? parameters = null);
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/// <summary>
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/// 执行查询并返回DataTable
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/// </summary>
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(IDbExecuteResult Result, DataTable? Data) ExecuteDataTable(string sql, Dictionary<string, object>? parameters = null);
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/// <summary>
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/// 异步执行查询并返回DataTable
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/// </summary>
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Task<(IDbExecuteResult Result, DataTable? Data)> ExecuteDataTableAsync(string sql, Dictionary<string, object>? parameters = null);
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/// <summary>
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/// 执行查询并映射为实体列表
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/// </summary>
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/// <typeparam name="T">实体类型（需有无参构造函数）</typeparam>
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(IDbExecuteResult Result, List<T> Data) QueryList<T>(string sql, Dictionary<string, object>? parameters = null) where T : new();
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/// <summary>
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/// 异步执行查询并映射为实体列表
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/// </summary>
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Task<(IDbExecuteResult Result, List<T> Data)> QueryListAsync<T>(string sql, Dictionary<string, object>? parameters = null) where T : new();
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/// <summary>
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/// 执行分页查询并返回分页结果
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/// </summary>
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/// <typeparam name="T">实体类型</typeparam>
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(IDbExecuteResult Result, PaginationResponse<T> Data) QueryPaged<T>(string sql, PaginationRequest pagination, Dictionary<string, object>? parameters = null) where T : new();
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/// <summary>
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/// 异步执行分页查询并返回分页结果
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/// </summary>
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Task<(IDbExecuteResult Result, PaginationResponse<T> Data)> QueryPagedAsync<T>(string sql, PaginationRequest pagination, Dictionary<string, object>? parameters = null) where T : new();
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}
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} |