48 lines
1.8 KiB
C#
48 lines
1.8 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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namespace Top._51Try.Data.SPI
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{
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public interface IDBEntity
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{
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//用一个算法，解析出一种插入的解决方案，然后进行缓存，下次插入时直接调用
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/**
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* 1. 先用 表达式树的 方式 能够将字段 高效的处理好
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* 2.
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*
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*/
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bool Insert<DT>(DT data, string tableName, params string[] excludeColNames);
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bool Update<DT>(DT data, string tableName, string pkOrUniqueColName = "Id", params string[] excludeColNames);
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bool Upsert<DT>(DT data, string tableName, string pkOrUniqueColName = "Id", params string[] excludeColNames);
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bool UpSingle(string tableName, string columnName, object columnValue, object pkOrUniqueValue, string pkOrUniqueColName = "Id");
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int Delete<P>(string tableName, string columnName, params P[] columnValues);
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DataTable GetDataTableByPager(int currentPage, int pageSize, string selColumns, string joinTableName, string whereStr, string orderbyStr, out int totalCount);
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T GetById<T,P>(P IdValue, string pkOrUniqueColName = "Id");
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List<T> GetByIds<T, P>(string pkOrUniqueColName = "Id", params P[] ids);
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//获取某个表的 某条数据的 某列的值
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TReturn QuerySingleById<TReturn>(string tableName, string retColumnName, object Idvalue, string pkOrUniqueColName = "Id");
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//新增、编辑的时候，判断唯一键值 使用
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bool ExistByColVal<P>(string tableName, string columnName, object columnValue, params P[] excludeValues);
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//List<T> GetList<T>(string whereStr, string orderByStr = null);
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//List<T> GetAll<T>(string orderByStr = null);
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}
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}
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