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  • sql server执行动态拼接sql(带传参数)和去掉小数点后0的函数

     1 exec sp_executesql N'SELECT 
     2 [Extent2].[Id] AS [Id], 
     3 [Extent2].[Name] AS [Name], 
     4 [Extent2].[Description] AS [Description], 
     5 [Extent2].[RoleTypeNum] AS [RoleTypeNum], 
     6 [Extent2].[IsDeleted] AS [IsDeleted], 
     7 [Extent2].[AddDate] AS [AddDate], 
     8 [Extent2].[Timestamp] AS [Timestamp]
     9 FROM  [dbo].[RoleMembers] AS [Extent1]
    10 INNER JOIN [dbo].[Roles] AS [Extent2] ON [Extent1].[Role_Id] = [Extent2].[Id]
    11 WHERE [Extent1].[Member_Id] = @EntityKeyValue1',N'@EntityKeyValue1 int',@EntityKeyValue1=1



    去掉小数点后的0

    ALTER function [dbo].[GetNumber](@str nvarchar(200))
    returns nvarchar(200)
    as
    begin
    declare @num int
    declare @s nvarchar(200)
    set @num = 0
    if(charindex('.',@str,0) <> 0) --判断是否有.
    begin
    while(@num<1)
    begin
    if(substring(@str,len(@str),1) = '0') --最后一位是0时,去掉最后一位
    begin
    set @str = left(@str,LEN(@str)-1) --删除最后一位字符
    end
    else if(substring(@str,len(@str),1) = '.') --最后一位是.时,去掉最后一位
    begin
    set @str = left(@str,LEN(@str)-1) --删除最后一位字符
    set @num = 1 --给变量赋值(不满足循环条件,循环结束)
    end
    else
    begin
    set @num = 1 --给变量赋值(不满足循环条件,循环结束)
    end
    end
    end
    set @s = @str
    return @s
    end

     
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  • 原文地址:https://www.cnblogs.com/jameslif/p/3183767.html
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