Home Database Mysql Tutorial SQL2005CLR函数扩展-繁简转换的实现代码

SQL2005CLR函数扩展-繁简转换的实现代码

Jun 07, 2016 pm 04:18 PM
code function accomplish Expand Convert

这个方法比较简单,用Microsoft.VisualBasic命名空间下强大的字符串处理函数就可以了 c#代码如下,编译为BigConvertor.dll -------------------------------------------------------------------------------- 复制代码 代码如下: using System; using Syst

这个方法比较简单,用Microsoft.VisualBasic命名空间下强大的字符串处理函数就可以了
c#代码如下,,编译为BigConvertor.dll
--------------------------------------------------------------------------------

复制代码 代码如下:


using System;
using System.Data.SqlTypes;
using Microsoft.SqlServer.Server;

public partial class UserDefinedFunctions
{
[Microsoft.SqlServer.Server.SqlFunction ]
public static SqlString BigToGB(SqlString inString)
{
if (inString.IsNull) return SqlString .Null;
return (Microsoft.VisualBasic.Strings .StrConv(inString.Value, Microsoft.VisualBasic.VbStrConv .SimplifiedChinese, 0));
}
[Microsoft.SqlServer.Server.SqlFunction ]
public static SqlString GBToBig(SqlString inString)
{
if (inString.IsNull) return SqlString .Null;
return (Microsoft.VisualBasic.Strings .StrConv(inString.Value, Microsoft.VisualBasic.VbStrConv .TraditionalChinese, 0));
}
};


--------------------------------------------------------------------------------
部署代码如下
--------------------------------------------------------------------------------

复制代码 代码如下:


CREATE ASSEMBLY BigConvertor FROM 'E:/sqlclrdata/BigConvertor.dll' WITH PERMISSION_SET = UnSAFE;
--
go
CREATE FUNCTION dbo. xfn_BigToGB
(
@value nvarchar ( max )
)
RETURNS nvarchar ( max )
AS EXTERNAL NAME BigConvertor. UserDefinedFunctions. BigToGB
go
CREATE FUNCTION dbo. xfn_GBToBig
(
@value nvarchar ( max )
)
RETURNS nvarchar ( max )
AS EXTERNAL NAME BigConvertor. UserDefinedFunctions. GBToBig

go


--------------------------------------------------------------------------------
测试代码如下
--------------------------------------------------------------------------------
/* 测试 */
select dbo. xfn_GBToBig( ' 简体与繁体文的转换 ' )
-- 簡體與繁體文的轉換
select dbo. xfn_BigToGB( ' 簡體與繁體文的轉換 ' )
-- 简体与繁体文的转换

 

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