-- ============================================= -- Author: <Author,yaoyao,Name> -- Create date: <Create Date,20130515,> -- Description: <Description,生成自定义ID,生成规则:1~5个字母前缀加5~10位数字> -- ============================================= ALTER PROCEDURE [dbo].[proGetCustomID] @TableName VARCHAR(50), @FieldName VARCHAR(50), @BeginChar VARCHAR(5), @NumberLen INT=10--默认10 AS BEGIN IF @NumberLen<5 or @NumberLen>10 set @NumberLen=10; DECLARE @CustomID VARCHAR(10),@MaxID VARCHAR(15),@strSql NVARCHAR(200); set @strSql=‘select @tempid = MAX(‘+@FieldName+‘) FROM ‘+@TableName; exec sp_executesql @strSql,N‘@tempid VARCHAR(15) out‘,@MaxID out --参数赋值 --print @MaxID; IF @MaxID IS NULL BEGIN SET @CustomID=‘0000000001‘; END ELSE BEGIN SET @MaxID = CONVERT(INT,REPLACE(@MaxID,@BeginChar,‘‘));--CONVERT(INT,SUBSTRING(@MaxID,LEN(@BeginChar)+1,10)); SET @CustomID=@MaxID+1; --print @CustomID WHILE(LEN(@CustomID)<@NumberLen) BEGIN SET @CustomID=‘0‘+@CustomID END END SELECT @BeginChar+@CustomID; END
/// <summary> /// 生成自定义ID /// </summary> /// <param name="tableName">表名</param> /// <param name="fieldName">生成id的字段</param> /// <param name="beginChar">1~5位字母</param> /// <returns></returns> public static string CreateID(string tableName, string fieldName, string beginChar) { SqlParameter[] parameters = { new SqlParameter("@TableName", SqlDbType.VarChar, 20), new SqlParameter("@FieldName", SqlDbType.VarChar, 20), new SqlParameter("@BeginChar", SqlDbType.VarChar,10)}; parameters[0].Value = tableName; parameters[1].Value = fieldName; parameters[2].Value = beginChar; return DbHelperSQL.GetSingleByPro("proGetCustomID", parameters).ToString(); }