VB编写的MODBUS通讯实现源码,
功能:
Public Sub tran_modbus_order(ByVal byt_slv_id As Byte,
ByVal byt_func As Byte, ByVal addr As Long, byt_data() As Byte)
Function CRC16(data() As Byte) As String
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001113s ]
SELECT `a`.`aid`,`a`.`title`,`a`.`create_time`,`m`.`username` FROM `jrk_downrecords` `a` INNER JOIN `jrk_member` `m` ON `a`.`uid`=`m`.`id` WHERE `a`.`status` = 1 GROUP BY `a`.`aid` ORDER BY `a`.`create_time` DESC LIMIT 10 [ RunTime:0.100662s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001267s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002072s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001397s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.005483s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000961s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003815s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.016396s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001216s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 327925 [ RunTime:0.018820s ]
