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余宇波
2025-04-21 14:10:27 +08:00
commit cb4c3b2935
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FrameWork/SqlSugar/Abstract/DbBindProvider/IDataRecordExtensions.cs Normal file
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Data;
namespace SqlSugar
{
public static partial class IDataRecordExtensions
{
#region Common Extensions
public static Guid GetStringGuid(this IDataRecord dr, int i)
{
var result = Guid.Parse(dr.GetValue(i).ToString());
return result;
}
public static Guid? GetConvertStringGuid(this IDataRecord dr, int i)
{
if (dr.IsDBNull(i))
{
return Guid.Empty;
}
var result = Guid.Parse(dr.GetValue(i).ToString());
return result;
}
public static bool? GetConvertBoolean(this IDataRecord dr, int i)
{
var result = dr.GetBoolean(i);
return result;
}
public static byte? GetConvertByte(this IDataRecord dr, int i)
{
if (dr.IsDBNull(i))
{
return null;
}
var result = dr.GetByte(i);
return result;
}
public static char? GetConvertChar(this IDataRecord dr, int i)
{
if (dr.IsDBNull(i))
{
return null;
}
var result = dr.GetChar(i);
return result;
}
public static DateTime? GetConvertDateTime(this IDataRecord dr, int i)
{
var result = dr.GetDateTime(i);
if (result == DateTime.MinValue)
{
return null; ;
}
return result;
}
public static DateTime? GetConvertTime(this IDataRecord dr, int i)
{
var result = dr.GetValue(i);
if (result == DBNull.Value)
{
return null; ;
}
return Convert.ToDateTime(result.ToString());
}
public static DateTime GetTime(this IDataRecord dr, int i)
{
return Convert.ToDateTime(dr.GetValue(i).ToString());
}
public static decimal? GetConvertDecimal(this IDataRecord dr, int i)
{
if (dr.IsDBNull(i))
{
return null;
}
var result = dr.GetDecimal(i);
return result;
}
public static double? GetConvertDouble(this IDataRecord dr, int i)
{
if (dr.IsDBNull(i))
{
return null;
}
var result = dr.GetDouble(i);
return result;
}
public static Guid? GetConvertGuid(this IDataRecord dr, int i)
{
if (dr.IsDBNull(i))
{
return null;
}
var result = dr.GetGuid(i);
return result;
}
public static short? GetConvertInt16(this IDataRecord dr, int i)
{
if (dr.IsDBNull(i))
{
return null;
}
var result = dr.GetInt16(i);
return result;
}
public static Int32? GetConvertInt32(this IDataRecord dr, int i)
{
if (dr.IsDBNull(i))
{
return null;
}
var result = dr.GetInt32(i);
return result;
}
public static long? GetConvetInt64(this IDataRecord dr, int i)
{
if (dr.IsDBNull(i))
{
return null;
}
var result = dr.GetInt64(i);
return result;
}
public static float? GetConvertFloat(this IDataRecord dr, int i)
{
if (dr.IsDBNull(i))
{
return null;
}
var result = dr.GetFloat(i);
return result;
}
public static DateTime GetdatetimeoffsetDate(this IDataRecord dr, int i)
{
if (dr.IsDBNull(i))
{
return DateTime.MinValue;
}
var offsetValue = (DateTimeOffset)dr.GetValue(i);
var result = offsetValue.DateTime;
return result;
}
public static DateTime? GetConvertdatetimeoffsetDate(this IDataRecord dr, int i)
{
if (dr.IsDBNull(i))
{
return DateTime.MinValue;
}
var offsetValue = (DateTimeOffset)dr.GetValue(i);
var result = offsetValue.DateTime;
return result;
}
public static DateTimeOffset Getdatetimeoffset(this IDataRecord dr, int i)
{
if (dr.IsDBNull(i))
{
return default(DateTimeOffset);
}
var result = (DateTimeOffset)dr.GetValue(i);
return result;
}
public static DateTimeOffset? GetConvertdatetimeoffset(this IDataRecord dr, int i)
{
if (dr.IsDBNull(i))
{
return default(DateTimeOffset);
}
var result = (DateTimeOffset)dr.GetValue(i);
return result;
}
public static string GetConvertString(this IDataRecord dr, int i)
{
if (dr.IsDBNull(i))
{
return null;
}
var result = Convert.ToString(dr.GetValue(i));
return result;
}
public static Nullable<T> GetOtherNull<T>(this IDataReader dr, int i) where T : struct
{
if (dr.IsDBNull(i))
{
return null;
}
return (T)Convert.ChangeType(dr.GetValue(i), typeof(T));
}
public static T GetOther<T>(this IDataReader dr, int i)
{
return (T)Convert.ChangeType(dr.GetValue(i), typeof(T));
}
public static Nullable<T> GetConvertEnum_Null<T>(this IDataReader dr, int i) where T : struct
{
if (dr.IsDBNull(i))
{
return null;
}
object value = dr.GetValue(i);
T t = (T)Enum.ToObject(typeof(T), value);
return t;
}
public static T GetEnum<T>(this IDataReader dr, int i) where T : struct
{
object value = dr.GetValue(i);
T t = (T)Enum.ToObject(typeof(T), value);
return t;
}
public static object GetEntity(this IDataReader dr, SqlSugarClient context)
{
return null;
}
#endregion
#region Sqlite Extensions
public static Nullable<T> GetSqliteTypeNull<T>(this IDataReader dr, int i) where T : struct
{
var type = UtilMethods.GetUnderType(typeof(T));
if (dr.IsDBNull(i))
{
return null;
}
return SqliteTypeConvert<T>(dr, i, type);
}
public static T GetSqliteType<T>(this IDataReader dr, int i) where T : struct
{
var type = typeof(T);
return SqliteTypeConvert<T>(dr, i, type);
}
private static T SqliteTypeConvert<T>(IDataReader dr, int i, Type type) where T : struct
{
if (type.IsIn(UtilConstants.IntType))
{
return (T)((object)(dr.GetInt32(i)));
}
else if (type == UtilConstants.DateType)
{
return (T)Convert.ChangeType(Convert.ToDateTime(dr.GetString(i)), type);
}
else if (type == UtilConstants.DecType)
{
return (T)Convert.ChangeType(dr.GetDecimal(i), type);
}
else if (type == UtilConstants.DobType)
{
return (T)Convert.ChangeType(dr.GetDouble(i), type);
}
else if (type == UtilConstants.BoolType)
{
return (T)Convert.ChangeType(dr.GetBoolean(i), type);
}
else if (type == UtilConstants.LongType)
{
return (T)Convert.ChangeType(dr.GetInt64(i), type);
}
else if (type == UtilConstants.GuidType)
{
string guidString = dr.GetString(i);
string changeValue = guidString.IsNullOrEmpty() ? Guid.Empty.ToString() : guidString;
return (T)Convert.ChangeType(Guid.Parse(changeValue), type);
}
else
{
return (T)Convert.ChangeType((dr.GetString(i)), type);
}
}
#endregion
}
}