VB 6.0 过程引用传递参数，显示传递前和传递后的参数值：
Private Sub mysub(ByRef i As Integer)
i = 100
End Sub
Private Sub Form_Resize()
Dim num As Integer
num = 1
Print "传递前:" & num
Call mysub(num)
Print "传递后:" & num
End Sub
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002701s ]
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:0.120333s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001129s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001153s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000926s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003272s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000947s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003840s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.018243s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001082s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 295239 [ RunTime:0.017338s ]
