zoukankan      html  css  js  c++  java
  • SQL 字符 数字 转换字母

    1、将字符中数字转换为中文大写的数字,

    注意

    100==>一零零   而非==>一百

    123==>一二三   而非==>一百二十三

    CREATE FUNCTION Fn_NumberConvertChinase(@number NVARCHAR(50))
    RETURNS NVARCHAR(20)
    AS
    BEGIN
    DECLARE @res NVARCHAR(20)
    DECLARE @char CHAR(1)
    SET @res = ''
    SET @char = substring(@number,1,1)
    SELECT @res = (CASE @char
        WHEN '1' THEN ''
        WHEN '2' THEN ''
        WHEN '3' THEN ''
        WHEN '4' THEN ''
        WHEN '5' THEN ''
        WHEN '6' THEN ''
        WHEN '7' THEN ''
        WHEN '8' THEN ''
        WHEN '9' THEN ''
        WHEN '0' THEN ''
        ELSE substring(@number,1,1) END 
    )
    IF(len(@number) > 1)
    BEGIN
        SET @res =  @res + dbo.fn_numberconvertchinase(substring(@number,2,len(@number)-1))
    END
    RETURN @res 
    END

    2、获取字符首字母,并转大写

    CREATE FUNCTION Fn_GetPy(@str NVARCHAR(4000))
    RETURNS NVARCHAR(4000)
    AS
    BEGIN
        DECLARE @strlen INT;
        DECLARE @re NVARCHAR(4000);
        --字符中数字转大写
        SELECT @str=dbo.fn_numberconvertchinase(@str);
        
        DECLARE @t table(chr nchar(1) collate Chinese_PRC_CI_AS,letter nchar(1))
        INSERT INTO @t(chr,letter)
          SELECT '','A' UNION ALL SELECT '','B' UNION ALL
          SELECT '','C' UNION ALL SELECT '','D' UNION ALL
          SELECT '','E' UNION ALL SELECT '','F' UNION ALL
          SELECT '','G' UNION ALL SELECT '','H' UNION ALL
          SELECT '','J' UNION ALL SELECT '','K' UNION ALL
          SELECT '','L' UNION ALL SELECT '','M' UNION ALL
          SELECT '','N' UNION ALL SELECT '','O' UNION ALL
          SELECT '','P' UNION ALL SELECT '','Q' UNION ALL
          SELECT '','R' UNION ALL SELECT '','S' UNION ALL
          SELECT '','T' UNION ALL SELECT '','W' UNION ALL
          SELECT '','X' UNION ALL SELECT '','Y' UNION ALL
          SELECT '','Z';
          SELECT @strlen=len(@str),@re='';
      
          WHILE @strlen>0
          BEGIN
            SELECT TOP 1 @re=letter+@re,@strlen=@strlen-1
              FROM @t a WHERE chr<=substring(@str,@strlen,1)
              ORDER BY chr DESC
            IF @@rowcount=0
              SELECT @re=substring(@str,@strlen,1)+@re,@strlen=@strlen-1
          END
      RETURN(UPPER(@re))
    END
  • 相关阅读:
    SQL Server 创建触发器(trigger)
    jQuery插件-json2.js
    Opengl创建机器人手臂代码示例
    OpenGL超级宝典完整源码(第五版)
    基于Opengl的太阳系动画实现
    Opengl创建几何实体——四棱锥和立方体
    ubuntu16.04安装labelme
    Visual Studio Command Prompt 工具配置方法
    OpenNi安装示例
    Opencv读取图片像素值并保存为txt文件
  • 原文地址:https://www.cnblogs.com/nimeide/p/4632687.html
Copyright © 2011-2022 走看看