usp_Copy_Unzip_DirFiles -- 拷贝，解压，列出文件名 from FTP Folder to Work Folder

CREATE PROC usp_Copy_Unzip_DirFiles
@FTPPath NVARCHAR(4000)= '',    -- ftp 文件夹路径
@WorkPath NVARCHAR(4000) = '',  -- work 文件夹路径
@FileName NVARCHAR(4000) = '',  -- 文件名
@sqlCmd NVARCHAR(4000) = '', -- 要执行的 cmd 命令
@RegRule nvarchar(4000) = 'Regex*.zip', -- 定义要拷贝的文件名的规则
@7zipPath NVARCHAR(4000) = 'IPCC$\"Program Files"\7-Zip\7z.exe',  -- 原理即调用 7z 解压软件解压，所以  IPC 对应到相应的网络磁盘路径
@IsZipped BIT = 1   -- 输入参数，确认拷贝的 是不是 压缩文件，只有压缩文件，下面的脚本解压部分才需要执行
AS
SET @sqlCmd = 'dir /b '+@FTPPath+@RegRule
IF OBJECT_ID('tempdb..#dirlisttab') IS NOT NULL
DROP TABLE tempdb..#dirlisttab
CREATE TABLE tempdb..#dirlisttab
(
FILENAME Nvarchar(128)
)

INSERT INTO #dirlisttab
EXEC xp_cmdshell @sqlCmd
--SELECT * FROM #dirlisttab

DECLARE file_cur CURSOR LOCAL STATIC FORWARD_ONLY FOR
SELECT [FILENAME] FROM #dirlisttab
OPEN file_cur
WHILE 1=1
BEGIN
fetch next from file_cur into @FileName
SET @sqlCmd = 'copy '+@FTPPath+@FileName+' '+@WorkPath+@FileName
print @sqlcmd
EXEC xp_cmdshell @sqlcmd

IF(@IsZipped = 1)
BEGIN
SET @sqlCmd = @7zipPath+' x '+@WorkPath+@FileName+' -y -aos -o'+@WorkPath
print @sqlcmd
EXEC xp_cmdshell @sqlcmd
END

if @@fetch_status <> 0 break;
END
CLOSE file_cur
DEALLOCATE file_cur
SET @sqlCmd = ' dir /b '+@WorkPath+'*.txt > '+@WorkPath+'FileName|del '+@WorkPath+'*.zip /Q'
print @sqlcmd
EXEC xp_cmdshell @sqlcmd
DROP TABLE tempdb..#dirlisttab
GO