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SQLServer实现split函数分割字符串功能及用法示例 - 站长搜索
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SQLServer实现split函数分割字符串功能及用法示例

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2022-09-23 18:06:08 转载来源: 网络整理/侵权必删

本文实例讲述了SQLServer实现split函数分割字符串功能及用法。分享给大家供大家参考,具体如下:/*函数名称:f_SplitToNvarchar作用:实现split功能的函数更新记录:设计思路:将nvarchar类型字符结合的一个串,分隔到一张只有一列nvarchar类型的表里*/CREATEFUNCTION[dbo].[f_SplitToNvarchar](@SourceSqlNVARCHAR(MAX),--源分隔字符串@StrSeprateVARCHAR(10)--分隔符)RETURNS@tempTABLE(colNVARCHAR(MAX))ASBEGINDECLARE@iINTSET@SourceSql=RTRIM(LTRIM(@SourceSql))SET@i=CHARINDEX(@StrSeprate,@SourceSql)WHILE@i>=1BEGININSERT@tempVALUES(LEFT(@SourceSql,@i-1))SET@SourceSql=SUBSTRING(@SourceSql,@i+1,LEN(@SourceSql)-@i)SET@i=C

本文实例讲述了SQL Server实现split函数分割字符串能及用法。分享给大家供大家参考,具体如下:

/*函数名称:f_SplitToNvarchar作用:实现split功能的函数更新记录:设计思路:将nvarchar类型字符结合的一个串,分隔到一张只有一列nvarchar类型的表里*/CREATE FUNCTION [dbo].[f_SplitToNvarchar](@SourceSql  NVARCHAR(MAX),--源分隔字符串@StrSeprate VARCHAR(10)--分隔符)RETURNS @temp TABLE(col NVARCHAR(MAX))ASBEGINDECLARE @i INTSET @SourceSql = RTRIM(LTRIM(@SourceSql))SET @i = CHARINDEX(@StrSeprate, @SourceSql)WHILE @i >= 1BEGIN  INSERT @temp  VALUES   (    LEFT(@SourceSql, @i -1)   )  SET @SourceSql = SUBSTRING(@SourceSql, @i + 1, LEN(@SourceSql) -@i)  SET @i = CHARINDEX(@StrSeprate, @SourceSql)ENDIF @SourceSql <> ''  INSERT @temp  VALUES   (    @SourceSql   )RETURNENDGO

调用示例

SELECT col FROM f_SplitToNvarchar('1,2,3,4',',');

如图所示:

希望本文所述对大家SQL Server数据库程序设计有所帮助。

标签: SQLServer 实现 split 函数 分割 字符串 能及 用法 示例


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