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DataBase/版本日志/已更新/FCLDB_2024.04.03.sql

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+
+ALTER PROCEDURE [dbo].[SpGetNewCode3]
+ @tableName VARCHAR(50),/*表名*/
+ @columnName VARCHAR(50),/*列名*/
+ @prefix VARCHAR(100),/*流水号编码前缀*/
+ @returnVal NVARCHAR(200) OUTPUT
+AS
+/*获取一个新的流水号（后三位上增加）*/
+DECLARE 
+        @sql NVARCHAR(500),
+        @old NVARCHAR(50),
+        @newid VARCHAR(50),
+        @prefix2 NVARCHAR(100),
+        @maxId NVARCHAR(50)/*已分配的最大值*/
+SET @prefix2= REPLACE(@prefix, @columnName, '')
+SELECT @sql=N'SELECT @maxId=MAX('+@columnName+') from '+@tableName+' where ' + @columnName + '  like ' + '''' + @prefix2 + '%'''
+EXEC sp_executesql @sql, N'@maxId nvarchar(50) OUTPUT', @maxId OUTPUT 
+SET @old=@maxId
+
+IF(@old IS NULL)
+BEGIN
+SET @newid=@prefix+'001'
+END
+
+ELSE
+BEGIN
+SET @newid = (SELECT MAX(RIGHT(@old,3)))+1
+SET @newid = @prefix +RIGHT('000'+@newid,3)
+END
+
+SET @returnVal=@newid
+
+GO 
+