Create PROCEDURE Batch_Delete @TableName nvarchar(100), --表名 @FieldName nvarchar(100), --刪除字段名 @DelCharIndexID nvarchar(1000) as DECLARE @PointerPrev int DECLARE @PointerCurr int DECLARE @TId NVARCHAR(50), @sql NVARCHAR(1000)
Set @PointerPrev = 1 while (@PointerPrev < LEN(@DelCharIndexID)) Begin Set @PointerCurr = CharIndex(',',@DelCharIndexID,@PointerPrev) if(@PointerCurr>0) Begin SET @TId = cast(SUBSTRING(@DelCharIndexID, @PointerPrev, @PointerCurr - @PointerPrev) As NVARCHAR(50)) SET @sql = 'Delete From '+ @TableName +' Where '+ @FieldName + ' = '''+ @TID+'''' Exec(@Sql) Print('======='+@TId+'=======sql'+@Sql) SET @PointerPrev = @PointerCurr + 1 Print(@PointerPrev) End else Begin Print('break') Break End End --刪除最后一個(gè),因?yàn)樽詈笠粋€(gè)后面沒有逗號(hào),所以在循環(huán)中跳出,需另外再刪除 SET @TId = cast(SUBSTRING(@DelCharIndexID, @PointerPrev, LEN(@DelCharIndexID) - @PointerPrev + 1) As NVARCHAR(50)) SET @sql = 'Delete From '+ @TableName +' Where '+ @FieldName + ' = '''+ @TID+'''' Exec(@Sql) Print('======='+@TId+'=======sql'+@Sql) GO